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A1 adverb /wʌns/

Once

una vez; alguna vez en el pasado
Meaning
one time only; at some time in the past; formerly
Example
I have been to Paris once in my life.
He estado en París una vez en mi vida.
C1 adjective /ɪnˈveə.ri.ə.bəl/

Invariable

invariable; constante; siempre igual
Meaning
never changing; constant; always the same
Example
His invariable routine includes morning exercise and coffee.
Su rutina invariable incluye ejercicio por la mañana y café.
C1 noun /ˈhɔːr.nət/

Hornet

avispa
Meaning
a large wasp that can sting and is often aggressive
Example
The hornet built its nest under the roof.
La avispa construyó su nido bajo el techo.
C1 noun /maɪt/

mite

ácaro
Meaning
a very small creature, often a tiny arachnid; also used to mean a very small amount
Example
The mattress was infested with dust mites.
El colchón estaba infestado de ácaros del polvo.
C2 noun /ˌɡæsɪfɪˈkeɪʃən/

gasification

gasificación
Meaning
The process of converting solid or liquid fuel into gas.
Example
Gasification is widely used to produce fuel gas from coal.
La gasificación se usa ampliamente para producir gas combustible a partir del carbón.
B1 noun dɪˈskʌvəriz

discoveries

descubrimientos
Meaning
The action or process of finding or learning something for the first time; facts or things discovered.
Example
His discoveries revolutionized multiple fields.
Sus descubrimientos revolucionaron varios campos.
C1 adjective /dɪˈskriːt/

discrete

discreto
Meaning
individually separate and distinct
Example
The course is divided into three discrete modules.
El curso está dividido en tres módulos discretos.
C2 adjective /ˈsɪnjuːi/

sinewy

musculoso y fuerte
Meaning
Lean and muscular; strong and tough.
Example
The athlete had a sinewy build that showed his strength.
El atleta tenía una constitución musculosa que mostraba su fuerza.
C1 verb /dɪˈnəʊt/

denote

denotar
Meaning
To be a sign of; to indicate or mean something.
Example
A red flag denotes danger.
Una bandera roja denota peligro.
C1 adjective /ˈpɑːm.pəs/

Pompous

pomposo; pretencioso; excesivamente grandioso
Meaning
showing off; pretentious; overly grand
Example
His pompous attitude annoyed everyone at the meeting.
Su actitud pomposa molestó a todos en la reunión.
C1 adjective /rɪˈpʌɡ.nənt/

Repugnant

repugnante; desagradable; detestable
Meaning
extremely distasteful; unacceptable; causing disgust or strong dislike
Example
The idea of lying to his parents was repugnant to him.
La idea de mentir a sus padres le resultaba repugnante.
B2 adjective /ˈsoʊlər/

solar

solar
Meaning
Relating to or determined by the sun
Example
The house is powered by solar energy.
La casa está alimentada por energía solar.
C2 noun /ɪnˈkwɪzɪtər/

inquisitor

inquisidor
Meaning
A person who asks many questions, often in an official or harsh manner.
Example
The inquisitor demanded detailed answers from the witness.
El inquisidor exigió respuestas detalladas del testigo.
C1 adjective /ɪnˈɡroʊst/

engrossed

absorto
Meaning
completely absorbed or deeply involved in something
Example
She was so engrossed in the book that she forgot the time.
Ella estaba tan absorta en el libro que olvidó la hora.
C1 adjective /hɔːrs/

Hoarse

voz áspera o ronca; tener la voz áspera por gritar o enfermedad
Meaning
rough or harsh in sound; having a rough voice from shouting or illness
Example
His voice became hoarse after shouting at the concert.
Su voz se volvió áspera después de gritar en el concierto.
B2 verb /pɔːˈtreɪ/

portray

retratar
Meaning
to describe or represent something or someone in a work of art or literature
Example
The novel portrays a vivid picture of life in the countryside.
La novela retrata una imagen vívida de la vida en el campo.
C2 adjective /ˌdaɪəˈbɒlɪk/

diabolic

diabólico
Meaning
Extremely evil or cruel; characteristic of the devil.
Example
The villain devised a diabolic scheme.
El villano ideó un plan diabólico.
A2 adverb /ˈrɑː.ðər/

Rather

preferentemente; en lugar de;
Meaning
to some extent; instead; preferably
Example
I would rather stay home than go to the party.
Preferiría quedarme en casa que ir a la fiesta.
C2 adjective /ˈtjuːtɪlɑːr/

tutelar

tutelario
Meaning
Serving as a guardian or protector.
Example
The tutelar spirit of the forest was believed to protect travelers.
Se creía que el espíritu tutelar del bosque protegía a los viajeros.
C2 adjective /dɪˈsɛnʃəs/

dissentious

divisivo
Meaning
Causing or likely to cause disagreement and conflict.
Example
His dissentious remarks divided the group further.
Sus comentarios divisivos dividieron aún más al grupo.
A2 noun/verb /ɪkˈsperɪmənt/

experiment

experimento
Meaning
a test or trial carried out to discover something or prove an idea
Example
The scientist conducted an experiment on plant growth.
El científico realizó un experimento sobre el crecimiento de las plantas.
C2 noun /ˌær.əˈbɪl.ɪ.ti/

arability

arabilidad
Meaning
The quality of land being suitable for growing crops.
Example
The arability of land depends on soil quality and water availability.
La arabilidad de la tierra depende de la calidad del suelo y de la disponibilidad de agua.
C1 adjective səˈblaɪm

sublime

sublime, grandioso, majestuoso
Meaning
Of such excellence, grandeur, or beauty as to inspire great admiration or awe.
Example
The sublime beauty of the mountain landscape took my breath away.
La sublime belleza del paisaje montañoso me dejó sin aliento.
C1 noun ˌflʌk.tʃuˈeɪ.ʃən

fluctuation

fluctuación
Meaning
An irregular rising and falling in number or amount; a variation.
Example
The stock market experiences frequent fluctuation.
El mercado de valores experimenta frecuentes fluctuaciones.
B1 noun /ˈdʒen.dər/

Gender

género
Meaning
either of the two sexes (male and female); the range of characteristics pertaining to masculinity and femininity
Example
The company promotes gender equality by ensuring equal opportunities for all employees.
La empresa promueve la igualdad de género al garantizar oportunidades iguales para todos los empleados.
C2 noun /kəmˈpɛndiəm/

compendium

compendio
Meaning
A collection of concise but detailed information about a subject.
Example
The book is a compendium of ancient myths and legends.
El libro es un compendio de mitos y leyendas antiguas.
B2 noun /əˈnætəmi/

anatomy

anatomía
Meaning
the study of the structure of living things, especially the human body
Example
She is studying human anatomy at medical school.
Ella está estudiando anatomía humana en la escuela de medicina.
B2 noun /njuːˈtrɪʃ.ən/

nutrition

nutrición
Meaning
The process of providing or obtaining the food necessary for health and growth.
Example
Good nutrition is vital for a healthy life.
Una buena nutrición es vital para una vida saludable.
A1 verb /ɪnˈdʒɔɪ/

enjoy

disfrutar
Meaning
to take pleasure in; to have a good time
Example
I enjoy reading books in my free time.
Disfruto leer libros en mi tiempo libre.
C1 noun /ˈek.saɪl/

Exile

exilio
Meaning
the state of being barred from one's native country; enforced removal from one's homeland
Example
The political leader was forced into exile after the military coup.
El líder político fue forzado al exilio después del golpe militar.
C1 noun /ˌkɒnstəˈneɪʃən/

consternation

consternación
Meaning
A feeling of anxiety, dismay, or confusion, often caused by something unexpected.
Example
The sudden announcement caused widespread consternation among the employees.
El anuncio repentino causó una consternación generalizada entre los empleados
C1 verb /pərˈteɪn/

pertain

relacionarse
Meaning
to relate or have reference to something
Example
The rules pertain to all students in the school.
Las reglas se aplican a todos los estudiantes en la escuela.
B1 noun /ˈprəʊ.tiːnz/

proteins

proteínas
Meaning
Large biomolecules consisting of amino acids that perform essential functions in living organisms, including building and repairing tissues.
Example
Lean meats and legumes provide high-quality proteins.
Las carnes magras y las legumbres proporcionan proteínas de alta calidad.
C2 noun /ɑːlˈfækʃən/

olfaction

olfato
Meaning
The sense of smell; the process of detecting and perceiving odors.
Example
Dogs have a highly developed sense of olfaction.
Los perros tienen un sentido del olfato muy desarrollado.
C2 adjective /ˌɪnfɪnɪˈtɛsɪməl/

infinitesimal

infinitesimal
Meaning
Extremely small in size or amount; so tiny as to be almost negligible.
Example
The error was so infinitesimal that it didn’t affect the results.
El error fue tan infinitesimal que no afectó los resultados.
C2 noun /dɪˈstreɪnər/

distrainor

persona que embarga propiedades
Meaning
a person, usually a landlord, who seizes another's property for unpaid debt or rent
Example
The distrainor took possession of the tenant's car until the debt was cleared.
El distrainor tomó posesión del coche del inquilino hasta que la deuda fue saldada.
C2 noun /staɪn/

stein

taza de cerveza
Meaning
A large beer mug, typically made of glass or stoneware.
Example
He raised his stein to toast his friends.
Él levantó su stein para brindar por sus amigos.
C1 noun ˌæp.əˈreɪ.təs

apparatus

aparato
Meaning
The technical equipment or machinery needed for a particular activity or purpose.
Example
The apparatus was designed to be eco-friendly.
El aparato fue diseñado para ser ecológico.
C2 verb /ˌænɪmədˈvɜːt/

animadvert

criticar
Meaning
To comment critically or unfavorably.
Example
The teacher animadverted on the student's careless mistakes.
El maestro criticó los errores descuidados del estudiante.
C1 adjective ɪmˈpɛkəbl

impeccable

impecable
Meaning
In accordance with the highest standards; faultless.
Example
His impeccable taste in fashion was admired by all his peers.
Su impecable gusto en la moda fue admirado por todos sus compañeros.
C1 verb /ɪnˈtruːd/

intrude

interrumpir
Meaning
To enter a place or situation where one is not wanted or not invited.
Example
He felt embarrassed to intrude on their private conversation.
Él se sintió avergonzado de interrumpir su conversación privada.
C2 noun /təˈmɛrɪti/

temerity

temeridad
Meaning
Excessive confidence or boldness; audacity.
Example
He had the temerity to challenge the professor’s argument.
Él tuvo la temeridad de desafiar el argumento del profesor.
B2 noun /ˈrɛlɪvənsi/

relevancy

relevancia
Meaning
the quality of being closely connected or appropriate
Example
The professor questioned the relevancy of the example to the topic.
El profesor cuestionó la relevancia del ejemplo con respecto al tema.
C2 adjective /ˈmɒtli/

motley

heterogéneo
Meaning
Made up of different, often incongruous or diverse elements.
Example
The festival attracted a motley crowd of artists, musicians, and tourists.
El festival atrajo una multitud heterogénea de artistas, músicos y turistas.
B2 noun prəˈsiːdɪŋz

proceedings

procedimientos
Meaning
An event or a series of activities involving a formal or set procedure.
Example
The proceedings discussed language issues.
Los procedimientos discutieron los problemas del lenguaje.
C1 noun /kənˈsep.ʃən/

Conception

concepción; idea; fertilización
Meaning
the forming of an idea or plan; the fertilization of an ovum by a sperm; the action of conceiving
Example
The conception of this innovative project took several months of brainstorming.
La concepción de este proyecto innovador tomó varios meses de lluvia de ideas.
C2 adjective /ˌʌnɪmˈpiːtʃəbl/

unimpeachable

impecable
Meaning
Not able to be doubted, questioned, or criticized; completely trustworthy.
Example
She is known for her unimpeachable honesty.
Ella es conocida por su honestidad impecable.
B2 noun /ˈbɪʃəp/

bishop

obispo
Meaning
a senior member of the Christian clergy, usually in charge of a diocese and empowered to confer holy orders.
Example
The bishop delivered a powerful sermon during Sunday service.
El obispo dio un poderoso sermón durante el servicio del domingo.
A2 noun /buːt/

Boot

bota
Meaning
sturdy footwear covering the foot and ankle or lower leg
Example
He laced up his hiking boots before the mountain trek.
Se puso las botas de senderismo antes de la caminata de montaña.
C1 noun /kwæk/

Quack

charlatán
Meaning
a person who pretends to be a doctor but has no medical training; the sound a duck makes
Example
People should be careful not to trust medical advice from a quack.
Las personas deben tener cuidado de no confiar en consejos médicos de un charlatán.
C2 verb /dɔːb/

daub

untar
Meaning
to spread a thick or sticky substance carelessly on a surface
Example
The children daubed paint all over the walls.
Los niños untaron pintura por todas las paredes.
C2 noun ˈsɒmnələns

somnolence

somnolencia
Meaning
A state of drowsiness or sleepiness; inclination to sleep.
Example
The somnolence after a heavy meal made it hard to concentrate.
La somnolencia después de una comida pesada hizo difícil concentrarse.
C2 noun /ˈdændi/

dandy

hombre que da demasiada importancia a su apariencia y ropa
Meaning
a man who gives too much attention to his appearance and clothes
Example
The young dandy spent hours grooming himself before the party.
El joven dandy pasó horas arreglándose antes de la fiesta.
C1 noun ˈæŋkərɪdʒ

anchorage

ancoraje
Meaning
A secure holding place; a place where ships can anchor safely.
Example
The boat was anchored near the shore for safety.
El bote fue anclado cerca de la orilla por seguridad.
C1 noun /ˈreɪ.biːz/

rabies

rabia
Meaning
A viral disease that causes inflammation of the brain in humans and other mammals, usually transmitted through animal bites.
Example
The dog was vaccinated against rabies.
El perro fue vacunado contra la rabia.
C2 noun /bɜːrˈlɛsk/

burlesque

burlesque
Meaning
A humorous and exaggerated imitation of a serious work; a type of theatrical entertainment involving comedy and parody.
Example
The play was a clever burlesque of traditional opera.
La obra fue una ingeniosa burla de la ópera tradicional.
C1 adjective /fərˈlɔːrn/

forlorn

desamparado, triste
Meaning
extremely sad, lonely, or abandoned
Example
The abandoned puppy looked so forlorn in the rain.
El cachorro abandonado se veía tan triste bajo la lluvia.
C2 verb /ɪˈvɪns/

evince

demostrar
Meaning
to show or demonstrate clearly
Example
She evinced her interest in the project through active participation.
Ella evidenció su interés en el proyecto mediante una participación activa.
B2 noun/adjective /ˈvɪntɪdʒ/

vintage

vintage / clásico
Meaning
Relating to high quality from the past; classic; also the year of a wine harvest.
Example
She wore a vintage dress from the 1950s.
Ella llevaba un vestido vintage de los años 50.
A2 interjection /hʌ/

huh

¿Qué dijiste?
Meaning
used to express confusion, surprise, or that you did not hear something
Example
Huh? What did you say?
¿Ja? ¿Qué dijiste?
C1 noun /noʊˈteɪʃən/

notation

notación
Meaning
A system of symbols or signs used to represent information, especially in mathematics or music.
Example
The teacher explained the notation used in the algebra equations.
El profesor explicó la notación utilizada en las ecuaciones algebraicas.
C2 noun /ˈæpədʒiː/

apogee

ápice
Meaning
the highest or most distant point; the climax or peak of something
Example
The empire reached its apogee during the 18th century.
El imperio alcanzó su ápice durante el siglo XVIII.
C1 adjective /ɪnˈæk.tɪv/

Inactive

inactivo
Meaning
not active; not working; dormant; idle
Example
The volcano has been inactive for over a century.
El volcán ha estado inactivo durante más de un siglo.
C1 adjective /səˈsɛp.tə.bəl/

susceptible

propenso o vulnerable a ser influenciado o dañado por algo en particular
Meaning
Likely or liable to be influenced or harmed by a particular thing.
Example
Children are more susceptible to infections.
Los niños son más susceptibles a las infecciones.
C1 adjective /rɪˈɡrɛtfəl/

regretful

arrepentido
Meaning
feeling or showing sadness or disappointment about something that has happened or been done
Example
She gave him a regretful smile as she turned away.
Ella le dio una sonrisa arrepentida mientras se alejaba.
B2 noun /trænˈzækʃən/

transaction

transacción
Meaning
an instance of buying or selling something; a business deal or exchange
Example
Every online transaction is recorded for security purposes.
Cada transacción en línea se registra con fines de seguridad.
C2 noun /nɛl/

knell

campanazo
Meaning
The sound of a bell, especially when rung solemnly for a death or funeral; a signal of the end or failure of something.
Example
The knell of the church bell echoed through the valley at dusk.
El campanazo de la iglesia resonó por el valle al atardecer.
B1 noun /weɪst/

Waist

cintura
Meaning
the part of the human body below the ribs and above the hips
Example
She tied a belt around her waist.
Ella se ató un cinturón alrededor de su cintura.
C2 verb /ˈvɪvɪfaɪ/

vivify

vivificar
Meaning
to give life or energy to something; to animate or enliven
Example
The teacher’s enthusiasm helped vivify the boring lecture.
El entusiasmo del profesor ayudó a vivificar la aburrida conferencia.
C1 verb ˈplʌmɪtɪŋ

plummeting

caída repentina
Meaning
Falling or dropping suddenly and steeply; decreasing rapidly
Example
The fertility rate in Bangladesh is plummeting.
La tasa de fertilidad en Bangladesh está cayendo rápidamente.
B2 noun /ˈɡloʊbəl əˈwɛrnɪs/

global awareness

conciencia global
Meaning
Worldwide consciousness and understanding of important issues that affect people globally, leading to informed action and policy changes.
Example
Global awareness of climate change is essential for policy changes.
La conciencia global sobre el cambio climático es esencial para los cambios en las políticas.
C2 verb /ˈsɪn.tɪ.leɪt/

scintillate

brillar
Meaning
to sparkle or shine brightly; to emit flashes of light
Example
The diamond ring scintillated under the bright lights.
El anillo de diamantes brilló bajo las luces brillantes.
A2 adverb /wenˈevər/

Whenever

cuandoquiera
Meaning
at any time that; every time that; no matter when
Example
Call me whenever you need help.
Llámame cuando necesites ayuda.
C1 adjective /sɪər/

Sear

marchito; seco; quemado
Meaning
withered; dried up; burned or scorched
Example
The sear leaves fell from the trees in autumn.
Las hojas secas cayeron de los árboles en otoño.
C2 noun /ˈfæn.feər/

fanfare

gran pompa, publicidad
Meaning
a short ceremonial tune or display of publicity to attract attention
Example
The new product was launched with much fanfare.
El nuevo producto fue lanzado con gran pompa.
C2 verb /ˈpɜː.fə.reɪt/

perforate

perforar
Meaning
to make a hole or holes through something
Example
The machine can perforate sheets of paper for easy tearing.
La máquina puede perforar hojas de papel para facilitar el desgarro.
C2 verb /diːˈnæʃənəlaɪz/

denationalize

desnacionalizar
Meaning
to transfer ownership from the government to private individuals or companies
Example
The government decided to denationalize the bank to encourage private investment.
El gobierno decidió denacionalizar el banco para fomentar la inversión privada.
C2 adjective /voʊˈsɪfərəs/

vociferous

vociferante
Meaning
expressing feelings or opinions in a loud and forceful way
Example
The vociferous crowd demanded justice.
La multitud vociferante exigió justicia.
B2 adjective /ˈprɛsɪŋ/

pressing

urgente
Meaning
Requiring immediate attention or urgent action.
Example
The manager had to deal with several pressing issues at once.
El gerente tuvo que tratar varios problemas urgentes a la vez.
B2 noun /ˈsɪləbəs/

syllabus

plan de estudios
Meaning
An outline or summary of topics to be covered in a course of study.
Example
The professor handed out the syllabus on the first day of class.
El profesor entregó el plan de estudios el primer día de clase.
A2 noun /ˈtæksi/

taxi

taxi
Meaning
A car licensed to transport passengers in exchange for payment of a fare.
Example
We hailed a taxi to get to the airport.
Tomamos un taxi para llegar al aeropuerto.
C2 noun /ˌɪkθiˈɒlədʒɪst/

ichthyologist

icthyólogo
Meaning
A scientist who studies fish.
Example
The ichthyologist discovered a new species of fish in the river.
El icthyólogo descubrió una nueva especie de pez en el río.
C2 adjective /dɪˈmɒtɪk/

demotic

relacionado con el lenguaje común
Meaning
relating to ordinary people or everyday language
Example
The poet used demotic language to connect with common readers.
El poeta usó un lenguaje relacionado con el lenguaje común para conectarse con los lectores comunes.
C2 noun /ˈdiːɪst/

deist

deísta
Meaning
a person who believes in the existence of a supreme being but rejects organized religion
Example
The philosopher identified himself as a deist.
El filósofo se identificó como un deísta.
A2 noun /ˈdʒuːəlri/

jewellery

joyería
Meaning
ornamental items worn for personal adornment, such as rings, necklaces, or bracelets, often made of precious metals or stones
Example
She wore beautiful jewellery to the wedding.
Ella llevaba joyería hermosa en la boda.
C2 adjective /traɪˈɛniəl/

triennial

trienal
Meaning
Occurring once every three years.
Example
The art festival is a triennial event in the city.
El festival de arte es un evento trienal en la ciudad.
C1 verb /ˈhæmpər/

hamper

impedir
Meaning
to hinder or impede the movement or progress of
Example
The heavy rain hampered our travel plans.
La fuerte lluvia impidió nuestros planes de viaje.
A1 interjection /heɪ/

hey

¡Hey!
Meaning
used to attract attention, express surprise, or greet someone
Example
Hey, how are you doing today?
¡Hey, cómo estás hoy?
A2 noun /tuːl/

tool

herramienta
Meaning
a device or implement used to carry out a particular function
Example
He used a hammer as a tool to fix the chair.
Usó un martillo como herramienta para arreglar la silla.
B2 verb /ʃɛd/

shed

dejar caer
Meaning
to let something fall off naturally, such as leaves, hair, or tears
Example
Trees shed their leaves in autumn.
Los árboles dejan caer sus hojas en otoño.
C2 noun /ˈfærɪsiː/

pharisee

persona hipócrita
Meaning
A member of an ancient Jewish sect; by extension, a self-righteous or hypocritical person.
Example
He acted like a pharisee, judging others while ignoring his own faults.
Él actuó como un fariseo, juzgando a los demás mientras ignoraba sus propios errores.
B1 noun praɪd

pride

orgullo
Meaning
A feeling of deep pleasure or satisfaction derived from one's own achievements or from achievements associated with one.
Example
Victory Day fills our hearts with pride.
El Día de la Victoria llena nuestros corazones de orgullo.
C1 noun /rɛnˈdɪʃən/

rendition

interpretación
Meaning
a performance or interpretation of a piece of art, music, or text
Example
The singer gave a moving rendition of the classic song.
El cantante dio una emotiva interpretación de la canción clásica.
C2 verb /ˈæntɪdeɪtɪd/

antedated

fechado anteriormente
Meaning
assigned to an earlier date than the actual one; happened earlier
Example
The letter was antedated to appear more official.
La carta fue antedatada para parecer más oficial.
B1 noun /ˌdɪsəˈpɔɪntmənt/

disappointment

decepción
Meaning
the feeling of sadness or displeasure caused by the non-fulfillment of one's hopes or expectations
Example
Her face showed deep disappointment after hearing the results.
Su rostro mostró una profunda decepción después de escuchar los resultados.
B1 noun /ləˈbɔːr.ə.tɔːr.i/

Laboratory (Lab)

laboratorio
Meaning
a room or building equipped for scientific experiments, research, or teaching
Example
The scientists conducted their experiments in the well-equipped laboratory.
Los científicos realizaron sus experimentos en el laboratorio bien equipado.
C1 adjective /ʌnˈduː/

Undue

excesivo; inapropiado; más de lo necesario o adecuado
Meaning
excessive; inappropriate; more than is necessary or proper
Example
The teacher complained about undue pressure from parents.
El maestro se quejó de la presión excesiva de los padres.
A2 noun /sɒks/

Socks

calcetines
Meaning
soft coverings for the feet, typically worn inside shoes
Example
I need to buy new socks for winter.
Necesito comprar calcetines nuevos para el invierno.
C2 noun /ˈsuːθˌseɪər/

soothsayer

adivino
Meaning
a person who claims to predict the future
Example
The king consulted a soothsayer before going to war.
El rey consultó a un adivino antes de ir a la guerra.
C2 noun /liːdʒ/

liege

señor feudal
Meaning
A feudal lord entitled to allegiance and service; a loyal subject.
Example
The knight pledged loyalty to his liege.
El caballero juró lealtad a su señor feudal.
C2 adjective /ˈlɪmpɪd/

limpid

transparente
Meaning
Clear and transparent, easily understood.
Example
The limpid water of the lake reflected the sky perfectly.
El agua transparente del lago reflejaba el cielo perfectamente.
C2 noun /ˈɪntərˌveɪl/

intervale

terreno bajo a lo largo de un río, generalmente fértil y plano
Meaning
A low-lying tract of land along a river, usually fertile and flat.
Example
The farmers cultivated crops on the lush intervale by the river.
Los agricultores cultivaron cosechas en el intervalo fértil junto al río.
C1 adjective /ˈplʌk.i/

plucky

valiente
Meaning
having or showing courage and determination
Example
The plucky child rescued the kitten from the tree.
El niño valiente rescató al gatito del árbol.
B2 noun /kəˈmiː.li.ən/

Chameleon

camaleón
Meaning
a lizard that can change color to match its surroundings
Example
The chameleon changed its color from green to brown.
El camaleón cambió de color de verde a marrón.
C2 noun /rɪˈfɛkʃən/

refection

comida / refección
Meaning
a meal or the act of taking food and drink
Example
The monks gathered for their evening refection.
Los monjes se reunieron para su refección nocturna.
B2 adjective /ʌnˈtʃeɪndʒɪŋ/

unchanging

inmutable
Meaning
remaining the same over time; not changing
Example
Her love for her family was unchanging throughout the years.
Su amor por su familia fue inmutable a lo largo de los años.
C2 adjective /ˈɔːrnəri/

ornery

gruñón
Meaning
bad-tempered and combative; stubborn
Example
The ornery old man refused to leave his chair.
El gruñón anciano se negó a dejar su silla.
B2 adjective /ˌpeɪ.triˈɑː.tɪk/

Patriotic

patriótico
Meaning
showing love for one's country
Example
The patriotic citizens celebrated Independence Day with great enthusiasm.
Los ciudadanos patrióticos celebraron el Día de la Independencia con gran entusiasmo.
B2 noun /hɔːk/

Hawk

halcón
Meaning
a bird of prey with broad wings and strong talons used for hunting
Example
The hawk soared high above the field hunting for prey.
El halcón voló alto sobre el campo buscando su presa.
C2 adjective /ˌhɪstriˈɒnɪk/

histrionic

excesivamente dramático
Meaning
Overly dramatic or theatrical in behavior or style.
Example
Her histrionic reaction to the small problem surprised everyone.
Su reacción histriónica ante el pequeño problema sorprendió a todos.
C1 adjective /ˈɜːrksəm/

irksome

molesto
Meaning
annoying or irritating
Example
Waiting in a long line is one of the most irksome tasks.
Esperar en una larga fila es una de las tareas más molestas.
C1 noun /ˌfɪziˈɑːlədʒi/

physiology

fisiología
Meaning
the scientific study of the functions and mechanisms in a living system
Example
She is majoring in human physiology at the university.
Ella está especializándose en fisiología humana en la universidad.
B2 noun /ˈprɒbləm ˈsɒlvɪŋ/

problem-solving

resolución de problemas
Meaning
The process of finding solutions to difficult or complex issues.
Example
Problem-solving skills are key to leadership.
Las habilidades de resolución de problemas son clave para el liderazgo.
A2 noun /ˈkʌp.bɔːrd/

Cupboard

armario
Meaning
a piece of furniture with doors and shelves for storing dishes, food, or clothes
Example
She stored all the plates and bowls in the kitchen cupboard.
Ella guardó todos los platos y tazones en el armario de la cocina.
C1 verb /ˈkɒnskrɪpt/

conscript

construir un ejército forzando a alguien a unirse
Meaning
to force someone into military service
Example
The government conscripted young men during the war.
El gobierno conscribió a los jóvenes durante la guerra.
C1 noun /ˈɡraʊnd kruː/

ground crew

personal de tierra
Meaning
a team of people who maintain and service aircraft on the ground
Example
The ground crew prepared the plane for takeoff.
El personal de tierra preparó el avión para el despegue.
B2 noun /fleɪm/

Flame

llama
Meaning
a hot glowing body of ignited gas that is generated by something on fire
Example
The candle flame flickered gently in the evening breeze.
La llama de la vela parpadeó suavemente en la brisa de la tarde.
B2 noun ˌkɒm.prɪˈhɛn.ʃən

comprehension

comprensión
Meaning
The ability to understand something; understanding or grasp of knowledge.
Example
Reading improves vocabulary and comprehension skills.
La lectura mejora el vocabulario y las habilidades de comprensión.
C1 adjective /tɛkˈtɑː.nɪk/

tectonic

tectónico
Meaning
Relating to the structure of the earth's crust and the large-scale processes that take place within it.
Example
Tectonic movements cause earthquakes and mountain formation.
Los movimientos tectónicos causan terremotos y formación de montañas.
A2 noun /ˈeɪn.dʒəl/

Angel

ángel
Meaning
a spiritual being believed to act as an attendant, agent, or messenger of God
Example
She looked like an angel in her white dress.
Ella parecía un ángel con su vestido blanco.
C2 noun ˌpɜː.pɪˈtʃuː.ɪ.ti

perpetuity

perpetuidad, eternidad, continuidad
Meaning
Permanence, eternity, continuity.
Example
The contract ensures payments in perpetuity.
El contrato asegura pagos en perpetuidad.