sack
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B2 verb /sæk/

sack

despedir
Meaning
to dismiss from a job; to put something in a sack
Example
The company sacked him for poor performance.
La compañía lo despidió por bajo rendimiento.
B2 noun /ˈswɒl.oʊ/

Swallow

golondrina
Meaning
a small migratory bird with long wings and a forked tail
Example
The swallow built its nest under the roof.
La golondrina construyó su nido bajo el techo.
B2 adjective spekˈtækjʊlər

spectacular

espectacular
Meaning
Beautiful in a dramatic and eye-catching way; very impressive.
Example
The launch of the spacecraft was a spectacular event.
El lanzamiento de la nave espacial fue un evento espectacular.
C2 noun /ˈsuːpsɒ̃/

soupcon

una pequeña cantidad
Meaning
a very small quantity of something; a trace
Example
She added just a soupcon of spice to the dish.
Ella añadió solo una pequeña cantidad de especia al plato.
C1 verb /strʌt/

strut

caminar con arrogancia
Meaning
to walk with a stiff, proud, and confident gait, often to show off
Example
He strutted across the stage after winning the award.
Él caminó por el escenario después de ganar el premio.
A2 noun /spɒt/

spot

lugar
Meaning
a particular place or position
Example
I found a great spot for a picnic in the park.
Encontré un gran lugar para hacer un picnic en el parque.
C2 verb /ˈskærɪfaɪ/

scarify

escarificar
Meaning
to make shallow cuts or scratches; to loosen the surface of soil
Example
The farmer scarified the soil before planting seeds.
El agricultor escarificó el suelo antes de sembrar las semillas.
C2 adjective /ˈsteɪ.dʒi/

stagy

excesivamente teatral
Meaning
Overly theatrical, artificial, or exaggerated in manner or style.
Example
Her performance felt stagy and unnatural.
Su actuación se sintió excesivamente teatral y antinatural.
C1 verb /sʌlk/

sulk

estar enojado
Meaning
to be silent and bad-tempered because you are angry or disappointed
Example
She sulked in her room after the argument.
Ella se enojó en su habitación después de la discusión.
B1 adjective /ˈsætɪsfaɪd/

satisfied

satisfecho
Meaning
Pleased or content with what has been achieved or received.
Example
He felt satisfied after finishing his project.
Se sintió satisfecho después de terminar su proyecto.
B2 adjective /sɪmˈbɒlɪk/

symbolic

simbólico
Meaning
serving as a symbol or representing something else
Example
The dove is symbolic of peace and freedom.
La paloma es simbólica de la paz y la libertad.
C1 verb /sɪft/

sift

tamizar / examinar cuidadosamente
Meaning
to separate or sort through carefully, often using a sieve or by examining closely
Example
She sifted the flour before adding it to the cake mixture.
Ella tamizó la harina antes de agregarla a la mezcla del pastel.
C2 adjective /ˈsɪbɪlənt/

sibilant

con sonido sibilante
Meaning
Making or characterized by a hissing sound.
Example
The word 'snake' starts with a sibilant sound.
La palabra 'snake' comienza con un sonido sibilante.
B2 noun /ˈsɛtlər/

settler

colono
Meaning
a person who settles in a new area or land
Example
The settlers arrived in the new town and started building homes.
Los colonos llegaron a la nueva ciudad y comenzaron a construir casas.
B1 noun /sɔːrs/

Source

fuente
Meaning
a place, person, or thing from which something originates; the origin of information
Example
The river's source is high in the mountains.
La fuente del río se encuentra alta en las montañas.
C2 noun /sɜːrˈsiːs/

surcease

cese
Meaning
a temporary or final ending or stopping of something
Example
The noise finally came to a surcease after midnight.
El ruido finalmente llegó a un cese después de medianoche.
C1 noun /speɪt/

spate

oleada
Meaning
a large number of things occurring in quick succession
Example
There has been a spate of robberies in the city.
Ha habido una oleada de robos en la ciudad.
A2 noun /ˈsɛlər/

seller

felicidad
Meaning
a person who sells something
Example
The seller offered a discount on bulk purchases.
Ella no pudo ocultar su felicidad cuando recibió el premio.
B1 adjective /ˈsensəbəl/

Sensible

sensato; razonable; práctico
Meaning
having or showing good sense; practical and reasonable
Example
It would be sensible to take an umbrella because it might rain.
Sería sensato llevar un paraguas porque podría llover.
B1 noun /ˌsæt.ɪsˈfæk.ʃən/

Satisfaction

satisfacción
Meaning
fulfillment of one's wishes, expectations, or needs
Example
She felt great satisfaction after completing the project.
Ella sintió una gran satisfacción después de completar el proyecto.
C1 adjective /sɪmˈfɒnɪk/

symphonic

sinfónico
Meaning
relating to or having the character of a symphony or symphony orchestra
Example
The concert featured a symphonic masterpiece.
El concierto presentó una obra maestra sinfónica.
C1 adjective /ˈspjʊəriəs/

spurious

falso / fraudulento
Meaning
Not genuine, authentic, or true; false or fake.
Example
The report was based on spurious claims.
El informe se basó en afirmaciones falsas.
A2 adjective /sər'praɪzd/

Surprised

sorprendido
Meaning
feeling or showing surprise; astonished
Example
I was surprised to see my old friend at the market.
Me sorprendió ver a mi viejo amigo en el mercado.
A2 verb /saɪn/

sign

firmar
Meaning
to write your name on something to show agreement or approval; to make a gesture with meaning
Example
Please sign the contract at the bottom of the page.
Por favor firme el contrato en la parte inferior de la página.
B2 noun, verb /slænt/

slant

punto de vista sesgado
Meaning
A particular point of view; to slope or lean in a particular direction.
Example
The article had a political slant.
El artículo tenía una inclinación política.
C1 noun /ˌsʌpəˈzɪʃən/

supposition

suposición
Meaning
An assumption or belief that something is true without certain proof.
Example
His plan was based on the supposition that the market would recover quickly.
Su plan estaba basado en la suposición de que el mercado se recuperaría rápidamente.
B1 noun/adjective /ˈstændɪŋ/

standing

posición / prestigio
Meaning
status, reputation, or position; also the act of being upright on the feet
Example
He has high standing in the community for his charity work.
Tiene un alto prestigio en la comunidad por su trabajo de caridad.
C2 adjective /sæŋˈɡwɪniəs/

sanguineous

relacionado con sangre
Meaning
Relating to blood; bloody.
Example
The surgeon examined the sanguineous discharge from the wound.
El cirujano examinó la secreción sanguínea de la herida.
B2 noun /ˈstɑːrt.ʌp/

startup

empresa emergente
Meaning
A newly established business, especially a small technology or business company that is just beginning operations.
Example
The startup secured funding from investors.
La startup consiguió financiación de los inversores.
A1 adjective /ˈsɪmpəl/

Simple

fácil; simple; sin complicaciones
Meaning
easy to understand or do; not complicated
Example
This is a simple recipe that anyone can follow.
Esta es una receta fácil que cualquiera puede seguir.
C1 adjective ˈsek.tər spəˈsɪf.ɪk

sector-specific

específico del sector
Meaning
Relating to or designed for a particular sector or industry.
Example
Sector-specific policies attract targeted investments.
Las políticas específicas del sector atraen inversiones dirigidas.
A2 proper noun /ˌsaʊθ əˈmɛrɪkə/

south america

América del Sur
Meaning
a continent located in the Western Hemisphere, mostly in the Southern Hemisphere
Example
Brazil is the largest country in South America.
Brasil es el país más grande de América del Sur.
C2 adjective /ˌseɪpiˈɛnʃəl/

sapiential

relacionado con la sabiduría
Meaning
Relating to wisdom or knowledge, often in a religious or philosophical sense.
Example
The monk shared sapiential teachings with his students.
El monje compartió enseñanzas relacionadas con la sabiduría con sus estudiantes.
C1 verb /skʌf/

scuff

rasguñar
Meaning
to mark or scratch the surface of something by rubbing
Example
He scuffed his shoes on the pavement.
Él rasguñó sus zapatos en la acera.
B2 noun /stjuːˈpɪdəti/

stupidity

estupidez
Meaning
lack of intelligence or common sense
Example
His stupidity caused a lot of problems for the team.
Su estupidez causó muchos problemas al equipo.
A2 adverb /ˈsɪm.pli/

Simply

simplemente; solo;
Meaning
in a clear and easy way; merely; just
Example
I simply wanted to help you with your homework.
Yo simplemente quería ayudarte con tu tarea.
C2 adjective /ˈsæ.loʊ/

sallow

amarillo pálido
Meaning
Of an unhealthy yellow or pale brown color, often referring to skin.
Example
His sallow complexion made him look tired and sickly.
Su complexión amarilla pálida lo hacía parecer cansado y enfermo.
B2 noun /ˌsɛlf əˈwɛə.nəs/

self-awareness

autoconciencia
Meaning
Conscious knowledge of one's own character, feelings, motives, and desires.
Example
Self-awareness helps in understanding one's emotions and actions.
La autoconciencia ayuda a comprender las emociones y acciones de uno mismo.
A1 determiner /sʌm/

some

algunos
Meaning
an unspecified amount or number of something
Example
I have some money in my wallet.
Tengo algo de dinero en mi cartera.
B2 noun ˈsuː.pər.fuːdz

superfoods

superalimentos
Meaning
Nutrient-dense foods that are particularly beneficial for health and well-being.
Example
Blueberries and spinach are superfoods rich in vitamins.
Los arándanos y las espinacas son superalimentos ricos en vitaminas.
C1 noun /ˈsæf.aɪər/

Saphire

zafiro
Meaning
a precious stone that is typically blue in color
Example
The royal crown was adorned with a large sapphire.
La corona real estaba adornada con un gran zafiro.
C1 verb /ˈstɪntɪŋ/

stinting

dar con tacañería
Meaning
to supply sparingly or with restrictions
Example
He never stinting his efforts to help the poor.
Él nunca escatima esfuerzos para ayudar a los pobres.
B2 noun /ˈsikwəns/

Sequence

secuencia
Meaning
a particular order in which related events, movements, or things follow each other; a set of related events, movements, or things that follow each other in a particular order
Example
The dance sequence was perfectly choreographed.
La secuencia de baile fue perfectamente coreografiada.
C2 noun /səˈlɪsɪˌtuːd/

solicitude

preocupación, cuidado
Meaning
Care or concern for someone or something.
Example
His mother showed great solicitude for his safety.
Su madre mostró gran preocupación por su seguridad.
B2 noun /ˈsætaɪər/

satire

sátira
Meaning
The use of humor, irony, or exaggeration to criticize people's stupidity or vices.
Example
The play was a brilliant satire on modern politics.
La obra fue una brillante sátira de la política moderna.
C1 adjective /ˈsɔːrdɪd/

sordid

sórdido
Meaning
involving immoral or dishonorable actions; dirty or unpleasant
Example
The newspaper exposed the politician's sordid past.
El periódico expuso el pasado sórdido del político.
C1 verb ˈsɪn.ɚ.dʒaɪz

synergize

sinergizar, combinar de manera que aumente la efectividad.
Meaning
combine in such a way as to enhance effectiveness.
Example
The departments must synergize to improve efficiency.
Los departamentos deben sinergizar para mejorar la eficiencia.
B2 verb /straɪv/

strive

esforzarse
Meaning
To make great efforts to achieve or obtain something.
Example
She strives to be the best student in her class.
Ella se esfuerza por ser la mejor estudiante en su clase.
C2 noun /ˈʃɑːdənfrɔɪdə/

schadenfreude

placer derivado de la desgracia ajena
Meaning
pleasure derived from another person's misfortune
Example
He felt a sense of schadenfreude when his rival failed.
Sintió una sensación de schadenfreude cuando su rival fracasó.
C2 adjective /ˌsɪkəˈfæntɪk/

sycophantic

sicomático
Meaning
Behaving in a way that is excessively obedient or servile to gain favor.
Example
His sycophantic behavior annoyed his colleagues.
Su comportamiento sicomático molestaba a sus compañeros de trabajo.
B2 noun /skrɪpt/

script

guión
Meaning
The written text of a play, film, or broadcast; handwriting style.
Example
The actor memorized his lines from the script.
El actor memorizó sus répliques del guión.
B2 verb /spɪl/

spill

derramar
Meaning
to cause liquid to flow or fall out of a container by accident
Example
Be careful not to spill your coffee.
Ten cuidado de no derramar tu café.
C1 adjective /ˈstætʃətɔːri/

statutory

estatutario
Meaning
Required, permitted, or enacted by law.
Example
The company must comply with all statutory regulations.
La empresa debe cumplir con todas las regulaciones estatutarias.
A2 adjective /skaɪ bluː/

Sky-blue

azul cielo
Meaning
a bright blue color like that of a clear sky
Example
Her sky-blue eyes sparkled in the sunlight.
Sus ojos azul cielo brillaban a la luz del sol.
C1 noun /stɪˈlɛtoʊ/

stiletto

zapato de tacón delgado / daga
Meaning
A small, thin, high-heeled shoe or a dagger with a slender blade.
Example
She wore elegant stiletto heels to the party.
Ella llevaba unos elegantes tacones stilettos a la fiesta.
B2 verb /siːz/

seize

apoderarse
Meaning
To take hold of suddenly and forcibly.
Example
The police managed to seize the stolen goods.
La policía logró incautar las mercancías robadas.
A1 noun /sɛpˈtɛmbər/

september

septiembre
Meaning
The ninth month of the year in the Gregorian calendar
Example
My birthday is in September, and I always celebrate it with friends.
Mi cumpleaños es en septiembre, y siempre lo celebro con amigos.
A1 verb /sɪŋ/

sing

cantar
Meaning
to make musical sounds with the voice
Example
She sings beautifully in the choir.
ella canta bellamente en el coro
C1 verb /ʃʌn/

Shun

evitar
Meaning
to deliberately avoid or stay away from someone or something
Example
He shuns public attention and prefers privacy.
Él evita la atención pública y prefiere la privacidad.
C1 adjective /səˈdʒɛstɪv/

suggestive

sugestivo
Meaning
tending to suggest ideas or images; sometimes implies something sexual or provocative
Example
The painting was highly suggestive and sparked much debate.
La pintura era muy sugestiva y provocó mucho debate.
C1 noun /ˈskrɪmɪdʒ/

scrimmage

partido de práctica
Meaning
A practice game or informal match, often in sports, especially football.
Example
The team had a scrimmage before the official season started.
El equipo tuvo un partido de práctica antes de que comenzara la temporada oficial.
C2 noun /spjuːm/

spume

espuma
Meaning
Froth or foam, especially found on waves or liquids.
Example
The waves crashed against the rocks, leaving spume in the air.
Las olas chocaron contra las rocas, dejando espuma en el aire.
C1 noun /ˈsɛmbləns/

Semblance

semblanza; apariencia
Meaning
the outward appearance or apparent form of something, especially when the reality is different
Example
There was only a semblance of order in the chaotic office.
Solo había una semblanza de orden en la oficina caótica
B2 noun /səˈlɪsɪtər/

solicitor

abogado
Meaning
A type of lawyer who gives legal advice and prepares legal documents, often representing clients in lower courts.
Example
She consulted a solicitor before signing the contract.
Consultó a un abogado antes de firmar el contrato.
A2 adjective /ˈsaɪ.lənt/

Silent

silencioso; callado; tranquilo
Meaning
making no sound; quiet; not speaking
Example
The library was completely silent during study hours.
La biblioteca estaba completamente silenciosa durante las horas de estudio.
C1 noun /skwɔːl/

squall

ráfaga
Meaning
a sudden violent gust of wind, often accompanied by rain, snow, or sleet
Example
A sudden squall caught the sailors off guard.
Una ráfaga repentina sorprendió a los marineros.
A2 noun /ˈstrɔːbəri/

Strawberry

fresa
Meaning
a small red heart-shaped fruit with tiny seeds on the surface and sweet taste
Example
I love eating fresh strawberries with cream during summer.
Me encanta comer fresas frescas con crema durante el verano.
B2 verb səˈpres

suppress

reprimir
Meaning
To forcibly put an end to; to restrain or subdue.
Example
Authorities must suppress criminal activities in campuses.
Las autoridades deben reprimir las actividades criminales en los campus.
C1 adjective /ˈskrɪptʃərəl/

scriptural

escritural
Meaning
Relating to or contained in the scriptures or holy writings.
Example
The priest gave a scriptural reference during the sermon.
El sacerdote dio una referencia escritural durante el sermón.
C1 verb ˈsɪn.θə.saɪ.zɪŋ

synthesizing

sintetizar, combinar, presentar de forma coherente
Meaning
Combine (a number of things) into a coherent whole.
Example
He excels in synthesizing ideas from different sources.
Él sobresale en sintetizar ideas de diferentes fuentes.
A2 adjective /ˈspænɪʃ/

spanish

español
Meaning
relating to Spain or the Spanish language
Example
She is fluent in Spanish and French.
Ella es fluida en español y francés.
B2 noun /ˈsɒr.oʊ/

Sorrow

tristeza; dolor;
Meaning
a feeling of deep distress caused by loss or disappointment
Example
His heart was filled with sorrow after the tragedy.
Su corazón estaba lleno de tristeza después de la tragedia.
B2 noun ˈʃeɪdɪd ˈɛəriə

shaded area

área sombreada
Meaning
An area that is protected from direct sunlight.
Example
We sat in a shaded area by the riverbank.
Nos sentamos en un área sombreada junto al río.
B2 adverb /ˈstɛdɪli/

steadily

de manera constante
Meaning
in a regular and continuous way; without stopping or changing
Example
The company's profits have been increasing steadily.
Las ganancias de la empresa han aumentado de manera constante.
C2 adjective /ˈsloʊθfəl/

slothful

perezoso
Meaning
Lazy, idle, and unwilling to work.
Example
She was too slothful to get out of bed early.
Ella era demasiado perezosa para levantarse de la cama temprano.
C1 adjective /ˈspaɪni/

spiny

espinoso
Meaning
covered with or full of spines; having sharp points
Example
The spiny cactus stood tall in the desert.
El cactus espinoso se alzaba alto en el desierto.
B2 noun, verb /stɛm/

stem

tallo / frenar
Meaning
Noun: The main stalk of a plant. Verb: To stop or restrict the flow or development of something.
Example
The gardener cut the stem of the rose; New policies aim to stem the flow of pollution.
El jardinero cortó el tallo de la rosa; Las nuevas políticas buscan frenar el flujo de contaminación.
A2 noun /ˈsoʊʃəl ˈmiːdiə/

social media

medios sociales
Meaning
Websites and applications that enable users to create and share content or to participate in social networking.
Example
Social media often causes delays.
Los medios sociales a menudo causan retrasos.
B2 verb /spɛər/

spare

dar algo extra / ahorrar
Meaning
To give something that one has extra of; to refrain from harming or killing.
Example
Could you spare me a few minutes of your time?
¿Podrías darme unos minutos de tu tiempo?
A2 noun /sneɪk/

Snake

serpiente
Meaning
a long, legless reptile that moves by sliding along the ground
Example
The snake slithered through the grass quietly.
La serpiente se deslizaba tranquilamente por la hierba.
C2 noun /spliːn/

spleen

bazo; cólera
Meaning
an organ in the body that produces lymphocytes and filters blood; also refers to bad temper or spite
Example
He vented his spleen on his coworkers after the meeting.
Ventu su cólera sobre sus compañeros de trabajo después de la reunión.
B2 noun /ˈstɑːrtər/

starter

persona o cosa que inicia algo; el primer plato de una comida
Meaning
a person or thing that starts something; the first course of a meal
Example
The starter of the meal was a fresh salad.
El primer plato de la comida era una ensalada fresca.
C2 verb /ˈsɪbəleɪt/

sibilate

pronunciar con silbido
Meaning
To pronounce with a hissing sound.
Example
The actor sibilated his lines for dramatic effect.
El actor pronunció sus líneas con un silbido para un efecto dramático.
A2 verb /səˈdʒɛst/

suggest

sugerir
Meaning
to put forward an idea, plan, or recommendation for consideration
Example
He suggested going to the new restaurant for dinner.
Él sugirió ir al nuevo restaurante para la cena.
B2 noun /slʌm/

Slum

barrio pobre
Meaning
a poor urban area with substandard housing and squalid conditions
Example
The government is working to improve conditions in the slum.
El gobierno está trabajando para mejorar las condiciones en el barrio pobre.
C2 noun /ˈsɛnʃəns/

sentience

sentiencia
Meaning
The capacity to feel, perceive, or experience subjectively.
Example
Many argue that animals possess sentience.
Muchos argumentan que los animales poseen sentiencia.
B2 adjective /ˌsuː.pəˈfɪʃ.əl/

superficial

superficial
Meaning
Existing or occurring at or on the surface; not thorough or deep.
Example
His understanding of the subject was rather superficial.
Su comprensión del tema era bastante superficial.
C1 verb /ˈslɪðər/

slither

deslizarse
Meaning
to move smoothly over a surface with a twisting, sliding motion, like a snake
Example
The snake slithered through the grass.
La serpiente se deslizó a través de la hierba.
B2 verb /səbˈskraɪb/

subscribe

suscribirse
Meaning
to pay to receive a service regularly; to agree with or support something
Example
I subscribe to several online magazines.
Me suscribo a varias revistas en línea.
C2 noun/verb /ˈsoʊdʒɜrn/

sojourn

estancia temporal
Meaning
A temporary stay at a place; to stay temporarily
Example
She enjoyed a brief sojourn in Paris during the summer.
Disfrutó de una breve estancia temporal en París durante el verano.
C2 noun /ˈsiːkənt/

secant

secante
Meaning
A straight line that intersects a curve at two or more points.
Example
In geometry, a secant cuts the circle at two distinct points.
En geometría, un secante corta el círculo en dos puntos distintos.
B2 noun /ˈsɜːr.plʌs/

surplus

superávit
Meaning
An amount that is more than what is needed.
Example
The country has a surplus of food this year.
Este año el país tiene un superávit de alimentos.
B2 noun /ˈsɪnənɪm/

Synonym

sinónimo
Meaning
a word or phrase that means exactly or nearly the same as another word or phrase in the same language
Example
Happy and joyful are synonyms.
Feliz y alegre son sinónimos.
C2 verb /sʌbˈtɛnd/

subtend

subtender
Meaning
To extend across or form an angle at a particular point, often used in geometry.
Example
The arc subtends a 60-degree angle at the center of the circle.
El arco subtende un ángulo de 60 grados en el centro del círculo.
C2 noun /sfɪˈrɒmɪtər/

spherometer

esferómetro
Meaning
An instrument used for measuring the curvature of spherical surfaces.
Example
The scientist used a spherometer to measure the lens curvature.
El científico usó un esferómetro para medir la curvatura de la lente.
B1 noun /ˈsʌn.set/

Sunset

puesta del sol
Meaning
the time in the evening when the sun disappears below the horizon
Example
The romantic sunset painted the sky in golden colors.
El romántico atardecer pintó el cielo con colores dorados.
C2 adjective /stɛnˈtɔːriən/

stentorian

estruendoso
Meaning
Extremely loud and powerful in sound.
Example
The teacher’s stentorian voice quieted the noisy classroom.
La voz estentórica del maestro calló el ruidoso salón de clases.
B2 verb /skɪm/

skim

leer rápidamente
Meaning
to move quickly over a surface or to read something quickly
Example
She skimmed through the report before the meeting.
Ella pasó rápidamente por el informe antes de la reunión.
C1 noun /ˈstæl.i.ən/

stallion

caballo macho para cría
Meaning
An adult male horse that is not castrated, often used for breeding.
Example
The farm owns a powerful stallion for breeding purposes.
La granja posee un caballo macho poderoso para fines de cría.
A1 verb /stɒp/

stop

detener
Meaning
to cease moving or operating; to halt; to prevent
Example
Please stop talking during the movie.
Por favor, deje de hablar durante la película.
B1 verb /səˈraʊnd/

surround

rodear
Meaning
To be all around someone or something.
Example
Mountains surround the small village.
Las montañas rodean el pequeño pueblo.
C2 verb /skwɛltʃ/

squelch

hacer un sonido suave, como caminar en el barro; suprimir o callar
Meaning
to make a soft sucking sound, such as when walking on mud; to suppress or silence
Example
His boots squelched in the wet ground.
Sus botas hicieron un ruido de squelch en el suelo mojado.
B1 noun /ˈskwɪr.əl/

Squirrel

ardilla
Meaning
a small agile tree-dwelling rodent with a long bushy tail
Example
The squirrel gathered nuts for winter.
La ardilla recogió nueces para el invierno.
B2 verb /swaɪp/

swipe

deslizar
Meaning
to move your finger across a touch screen or to hit with a sweeping motion
Example
He swiped left on the photo.
Él hizo un swipe a la izquierda en la foto.
C2 noun /ˈstætɪks/

statics

estática
Meaning
The branch of mechanics dealing with bodies at rest and forces in equilibrium.
Example
She is studying statics as part of her engineering course.
Ella está estudiando estática como parte de su curso de ingeniería.
B2 noun speɪs ɪksplɔːˈreɪʃən

space exploration

exploración espacial
Meaning
The investigation of outer space by means of manned and unmanned spacecraft.
Example
Space exploration has expanded our knowledge of the universe.
La exploración espacial ha ampliado nuestro conocimiento del universo.
C1 noun /ˌsæbəˈtɜːr/

saboteur

saboteador
Meaning
A person who engages in sabotage.
Example
The saboteur was arrested before he could plant the bomb.
El saboteador fue arrestado antes de poder plantar la bomba.
A2 noun /streŋθ/

Strength

fuerza; potencia; fuerza física
Meaning
the quality or state of being physically strong; power or force
Example
Regular exercise helps build muscle strength.
El ejercicio regular ayuda a desarrollar la fuerza muscular.
B2 noun /ˈsɛktər/

sector

sector
Meaning
a distinct part or area of an economy, society, or industry
Example
The technology sector is growing rapidly.
El sector tecnológico está creciendo rápidamente.
A1 adjective /ʃɔːrt/

Short

corto; breve
Meaning
having a small length, height, or duration; not long
Example
The meeting was very short, lasting only ten minutes.
La reunión fue muy corta, duró solo diez minutos.
B2 noun /slɒt/

slot

ranura
Meaning
a narrow opening into which something fits or is placed
Example
Insert the card into the slot to open the door.
Inserta la tarjeta en la ranura para abrir la puerta.
B2 verb /səˈluːt/

salute

saludar
Meaning
to greet with respect; to honor
Example
The soldiers saluted their commanding officer.
Los soldados saludaron a su oficial al mando.
C2 noun /ˈsɒfɪstri/

sophistry

sofistería
Meaning
the use of clever but false arguments, often to deceive
Example
The politician's speech was full of sophistry.
El discurso del político estaba lleno de sofistería.
C2 noun /ˈskɔːrpiən fɪʃ/

Scorpion fish

pez escorpión
Meaning
a type of fish with venomous spines that belongs to the family Scorpaenidae
Example
The scorpion fish has dangerous spines that can inject venom.
El pez escorpión tiene espinas peligrosas que pueden inyectar veneno.
C1 verb /ˌsuːpərˈsiːd/

supersede

reemplazar
Meaning
To replace or take the place of something because it is more modern or effective.
Example
This new law will supersede the old regulations.
Esta nueva ley reemplazará las viejas regulaciones.
B2 verb /ˈstreɪtən/

straighten

alisar
Meaning
to make something straight or tidy; to correct or organize
Example
She straightened her hair before the meeting.
Ella se alisó el cabello antes de la reunión.
C1 adjective /ˈʃeɪp.ləs/

Shapeless

sin forma
Meaning
having no definite or well-defined shape or form
Example
The fog created a shapeless mass in the distance.
La niebla creó una masa sin forma a lo lejos.
C1 noun speɪst ˌrep.ɪˈtɪʃ.ən

spaced repetition

repetición espaciada
Meaning
A learning technique that involves reviewing information at increasing intervals to improve long-term retention.
Example
Spaced repetition helps in long-term memory retention.
La repetición espaciada ayuda a retener la memoria a largo plazo.
B1 noun /ˈsæm.pəl/

Sample

muestra
Meaning
a small part taken as an example of the whole; a specimen
Example
The doctor took a blood sample for testing.
El doctor tomó una muestra de sangre para la prueba.
B2 adjective /ˈstʌdid/

studied

estudiado
Meaning
carefully considered, deliberate, or planned
Example
Her response was calm and studied, not impulsive.
Su respuesta fue calmada y estudiada, no impulsiva.
A2 adjective /skɛrd/

scared

asustado
Meaning
feeling afraid or worried
Example
She was scared of the dark.
Ella tenía miedo de la oscuridad.