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B1 adjective /brɔːd/

Broad

ancho; extenso; que cubre una gran área
Meaning
wide; extensive; covering a large area
Example
The river is very broad at this point.
El río es muy ancho en este punto.
C1 adjective /ˈbrɪtl/

brittle

quebradizo
Meaning
easily broken or cracked; hard but liable to break
Example
The glass was so brittle that it cracked easily.
El cristal era tan quebradizo que se rompió fácilmente.
C1 adjective /ˈbæʃ.fəl/

Bashful

tímido; vergonzoso; modesto; fácil de avergonzar
Meaning
shy; timid; modest; easily embarrassed
Example
The bashful child hid behind her mother when meeting strangers.
La niña tímida se escondió detrás de su madre cuando conoció a los extraños.
B1 noun /boʊ/

Bow

arco
Meaning
a weapon for shooting arrows, made of a curved piece of wood
Example
The archer drew his bow and aimed at the target.
El arquero tensó su arco y apuntó al objetivo.
C2 noun /ˈbaɪəˌɡræf/

biograph

biografía
Meaning
A written account of a person's life; an early motion-picture projector (historical use).
Example
The library holds an old biograph of the poet.
La biblioteca tiene una biografía antigua del poeta.
C2 adjective /bɪˈhoʊldən/

beholden

agradecido o en deuda
Meaning
indebted or obliged to someone for a service or help
Example
He felt beholden to his mentor for all the guidance.
Se sentía agradecido con su mentor por toda la orientación.
C2 adjective /ˈbɒni/

Bonny

hermoso; bonito; alegre
Meaning
cheerful; pretty; attractive
Example
The bonny child played happily in the garden.
El niño bonito jugó felizmente en el jardín.
C2 verb /bɪˈfʌdəl/

befuddle

confundir
Meaning
to confuse someone completely; to make someone unable to think clearly
Example
The complex instructions befuddled the students.
Las instrucciones complejas confundieron a los estudiantes.
C1 noun /ˈblʌdˌbæθ/

bloodbath

baño de sangre
Meaning
an event in which a lot of people are killed or injured, especially in a violent conflict
Example
The war turned into a bloody bloodbath.
La guerra se convirtió en un baño de sangre.
A2 verb /bɜːrn/

burn

quemar
Meaning
to be on fire; to damage with fire or heat
Example
The candle will burn for several hours.
La vela se quemará durante varias horas.
C2 verb /bɪˈsmɜːrtʃ/

besmirch

desacreditar
Meaning
to damage someone's reputation; to make dirty or stained
Example
He tried to besmirch her good name with false rumors.
Trató de desacreditar su buen nombre con rumores falsos.
A2 noun/verb /ˈbætəl/

battle

batalla
Meaning
A fight between armed forces or a struggle to achieve or resist something.
Example
The soldiers prepared for the final battle.
Los soldados se prepararon para la batalla final.
C2 noun /buːb/

boob

tonto; pecho (coloquial)
Meaning
a foolish or clumsy person; an informal and sometimes rude term for a woman's breast
Example
He felt like a complete boob after forgetting the meeting.
Se sintió como un completo tonto después de olvidar la reunión.
A2 noun/verb /ˈbʌdʒɪt/

budget

presupuesto
Meaning
An estimate of income and expenditure for a set period of time; to plan expenses and income.
Example
The family created a budget to manage their expenses.
La familia creó un presupuesto para gestionar sus gastos.
C1 noun /ˈbed sted/

Bed stead

estructura de la cama
Meaning
the framework of a bed; a bed frame without bedding
Example
The wooden bed stead was very sturdy.
La estructura de madera de la cama era muy resistente.
C1 adjective /ˈbleɪmləs/

blameless

inocente
Meaning
innocent of wrongdoing; not deserving blame
Example
She remained calm and blameless throughout the investigation.
Ella permaneció tranquila e inocente durante toda la investigación.
C1 noun /ˈbʊzəm/

bosom

pecho
Meaning
the human chest, especially a woman’s breast; also used metaphorically to refer to closeness or intimacy
Example
She kept the secret close to her bosom.
Ella guardó el secreto cerca de su pecho.
B1 noun /ˈbaɪər/

buyer

comprador
Meaning
a person who makes a purchase
Example
The buyer inspected the car before making payment.
El comprador inspeccionó el coche antes de realizar el pago.
C1 verb /blæntʃ/

blanch

despálido
Meaning
to turn pale from shock, fear, or to briefly boil food to remove skin or prepare it
Example
She blanched at the sight of blood.
Ella se puso pálida al ver la sangre.
A2 adjective /ˈbrɪtɪʃ/

british

británico
Meaning
relating to Great Britain or its people
Example
She loves British culture and traditions.
A ella le encanta la cultura y las tradiciones británicas.
A2 verb /bleɪm/

blame

echar la culpa
Meaning
to hold responsible for a fault; to find fault with
Example
Don't blame me for the mistake.
No me eches la culpa por el error.
A1 verb /bʌt/

but

dar un cabezazo
Meaning
to hit or push with the head or horns; to strike forcefully
Example
The goat butted against the fence.
La cabra dio un cabezazo contra la cerca.
B2 adverb /ˈbəʊld.li/

Boldly

valientemente; sin miedo
Meaning
in a confident and brave way; without fear
Example
She boldly stepped forward to face the challenge.
Ella dio un paso adelante con valentía para enfrentar el desafío.
A1 adjective /ˈbɔːrɪŋ/

boring

aburrido
Meaning
not interesting or exciting; dull.
Example
The lecture was so boring that several students fell asleep.
La conferencia fue tan aburrida que varios estudiantes se quedaron dormidos.
C2 noun /ˈbroʊmiːn/

bromine

bromo
Meaning
a dark red, dense, toxic liquid element used in making dyes, flame retardants, and medications
Example
Bromine is commonly used in water treatment chemicals.
El bromo se utiliza comúnmente en productos químicos de tratamiento de agua.
C2 verb /bɪˈhuːv/

behoove

ser necesario o apropiado para alguien hacer algo
Meaning
to be necessary, proper, or appropriate for someone to do
Example
It would behoove you to study before the exam.
Sería conveniente que estudiaras antes del examen.
C1 verb /bæsk/

bask

tomar el sol
Meaning
to lie in warmth and light; to enjoy something pleasurable
Example
The cat basks in the sunny window.
El gato toma el sol en la ventana soleada.
C2 adjective /baɪˈkæmərəl/

bicameral

bicameral
Meaning
Having two branches or chambers, especially in a legislature.
Example
The United States has a bicameral legislature consisting of the Senate and the House of Representatives.
Los Estados Unidos tienen una legislatura bicameral compuesta por el Senado y la Cámara de Representantes.
B1 noun /blæk ˈber.i/

Black berry

moras
Meaning
a small dark purple or black fruit that grows on bushes
Example
We picked fresh blackberries from the garden for our pie.
Recogimos moras frescas del jardín para nuestra tarta.
C2 noun /ˈbrɪtɪˌsɪzəm/

briticism

palabra o característica del inglés británico
Meaning
a word, phrase, or characteristic feature of British English
Example
The word 'lorry' is a well-known Briticism.
La palabra 'lorry' es un briticismo bien conocido.
B1 adjective /bɔɪld/

Boiled

hervido
Meaning
cooked in boiling water
Example
She served boiled eggs for breakfast.
Ella sirvió huevos cocidos para el desayuno.
B2 noun breɪn ˈtreɪ.nɪŋ

brain-training

entrenamiento cerebral
Meaning
Mental exercises designed to improve cognitive functions, memory retention, and overall brain performance.
Example
Regular brain-training can improve memory retention.
El entrenamiento cerebral regular puede mejorar la retención de la memoria.
B1 verb /ˈbɑrɡɪn/

bargain

regatear
Meaning
to negotiate terms; to discuss prices; to make a deal
Example
She likes to bargain at the local market.
A ella le gusta regatear en el mercado local.
C1 adjective /bəˈzɜːrk/

berserk

enloquecido
Meaning
Out of control with anger or excitement; wild or frenzied.
Example
The fans went berserk when their team won the championship.
Los fanáticos se volvieron enloquecidos cuando su equipo ganó el campeonato.
C2 adjective /ˈbaɪ.fərˌkeɪ.tɪd/

bifurcated

dividido en dos partes
Meaning
Divided into two branches or parts.
Example
The river became bifurcated as it flowed around the island.
El río se dividió en dos partes cuando fluyó alrededor de la isla.
B2 adjective /bəˈtænɪkəl/

botanical

botánico
Meaning
relating to plants or plant life
Example
She works at the botanical garden.
Ella trabaja en el jardín botánico.
B2 verb /boʊlt/

bolt

correr de repente; asegurar algo con un perno
Meaning
To move suddenly and quickly; also to fasten something with a bolt.
Example
The horse bolted from the stable after hearing a loud noise.
El caballo salió disparado del establo al escuchar un ruido fuerte.
B2 adjective /ˌbaɪəʊdɪˈɡreɪdəbl/

biodegradable

biodegradable
Meaning
Capable of being decomposed by natural biological processes, typically by bacteria or other living organisms, without causing harm to the environment.
Example
Biodegradable materials break down naturally without harming the environment.
Los materiales biodegradables se descomponen naturalmente sin dañar el medio ambiente.
C1 adjective /bɪˈriːvd/

Bereaved

afligido
Meaning
having lost a loved one through death
Example
The bereaved family received many condolences.
La familia afligida recibió muchas condolencias.
B2 noun /ˈbɛriəl/

burial

entierro
Meaning
the act of placing a dead body into the ground.
Example
The burial ceremony took place in the afternoon.
La ceremonia del entierro tuvo lugar por la tarde.
C2 verb /beɪt/

bate

reducir, mitigar
Meaning
to lessen or restrain; to diminish the force or intensity of something
Example
He spoke with bated breath as he waited for the result.
Él habló con respiración contenida mientras esperaba el resultado.
B2 adjective /blænd/

bland

soso
Meaning
lacking strong features, flavor, or character; dull or uninteresting
Example
The soup was too bland for my taste.
La sopa estaba demasiado sosa para mi gusto.
C1 noun /ˈbeɪlɪf/

bailiff

oficial de la corte
Meaning
An official who keeps order in a court, carries out court orders, or collects debts.
Example
The bailiff asked everyone to rise as the judge entered the courtroom.
El oficial de la corte pidió a todos que se pusieran de pie cuando el juez entró a la sala.
B2 noun /bluːz/

blues

blues
Meaning
a feeling of sadness; a style of music with melancholy themes
Example
Listening to blues music always calms him down.
Escuchar música blues siempre lo calma.
B2 noun, verb /bɒb/

bob

balancearse
Meaning
a short sudden movement up and down; to move quickly up and down
Example
The small boat began to bob on the waves.
El pequeño barco comenzó a balancearse en las olas.
B1 verb /bɜːrst/

burst

estallar
Meaning
to break open suddenly; to be full of something
Example
The balloon bursts with a loud pop.
El globo estalla con un fuerte estallido.
B2 noun /bɪˈtreɪəl/

Betrayal

traición; deslealtad
Meaning
the action of betraying one's country, group, or person; disloyalty
Example
His betrayal of their friendship hurt her deeply.
Su traición a su amistad le dolió profundamente.
B2 noun /bɪzˈnɛs sʌˈsɛs/

business success

éxito empresarial
Meaning
The achievement of desired outcomes in business operations, typically measured by profitability, growth, and sustainability.
Example
Innovation drives business success.
La innovación impulsa el éxito empresarial.
C2 adjective /ˈblɪŋkəd/

blinkered

limitado
Meaning
Having a limited or narrow outlook; unable or unwilling to consider other perspectives.
Example
His blinkered attitude stopped him from seeing the bigger picture.
Su actitud limitada le impidió ver el panorama completo.
B2 adjective /ˈbaɪəst/

Biased

sesgado
Meaning
showing prejudice for or against someone or something unfairly
Example
The judge was accused of being biased against the defendant.
El juez fue acusado de estar sesgado contra el acusado.
B2 noun /ˈbroʊ.kər/

Broker

corredor
Meaning
a person who buys and sells goods or assets for others; an intermediary
Example
The stock broker helped me invest my money wisely.
El corredor de bolsa me ayudó a invertir mi dinero sabiamente.
B1 adjective /ˈblʌdi/

bloody

sangriento
Meaning
covered in, involving, or containing blood; also used informally for emphasis in British English.
Example
The soldier returned from battle with a bloody arm.
El soldado regresó de la batalla con un brazo sangriento.
C1 noun/verb /ˈbæntər/

banter

burlas
Meaning
playful and friendly exchange of teasing remarks
Example
The colleagues enjoyed some light banter during the meeting.
Los colegas disfrutaron de un poco de banter ligero durante la reunión.
B2 noun /ˈbʌn.dəl/

Bundle

paquete; bulto
Meaning
a collection of things or quantity of material tied or wrapped up together
Example
The mailman delivered a bundle of letters to our house.
El cartero entregó un paquete de cartas a nuestra casa.
C2 noun /ˈbeɪleɪ/

Bele

pez bele
Meaning
a type of freshwater fish found in South Asian rivers, known for its distinctive appearance
Example
The bele fish is commonly caught in the rivers of Bangladesh.
El pez bele se captura comúnmente en los ríos de Bangladés.
B1 verb /baʊns/

bounce

rebotar
Meaning
to spring back after hitting something; to rebound.
Example
The ball bounced off the wall and hit the window.
La pelota rebotó contra la pared y golpeó la ventana.
B1 noun /bʊk ˈsel.ər/

Book seller

librero
Meaning
a person who sells books, especially as a business
Example
The book seller recommended a great novel for my summer reading.
El librero recomendó una gran novela para mi lectura de verano.
B1 noun /biːst/

Beast

bestia
Meaning
a large or dangerous animal; a cruel or unpleasant person
Example
The lion is a fierce beast of the jungle.
El león es una feroz bestia de la jungla.
C2 adjective /bɪˈsɒtɪd/

besotted

embobado, loco de amor
Meaning
strongly infatuated or obsessed with someone or something
Example
He was completely besotted with her charm.
Él estaba completamente embobado con su encanto.
C2 verb /bɪˈfɪt/

befit

ser apropiado para
Meaning
to be suitable for; to be appropriate to
Example
Formal attire befits the seriousness of the occasion.
La vestimenta formal es apropiada para la seriedad de la ocasión.
C2 noun /ˈbɒmbæst/

bombast

lenguaje pomposo
Meaning
speech or writing that is overly pompous and inflated
Example
His campaign speech was full of bombast but lacked real substance.
Su discurso de campaña estaba lleno de bombast, pero carecía de sustancia real.
B1 noun /braɪd/

Bride

novia
Meaning
a woman on her wedding day or just before and after the event
Example
The beautiful bride walked down the aisle in her white wedding dress.
La hermosa novia caminó por el pasillo con su vestido de novia blanco.
C1 verb /ˈbəʊl.stər/

bolster

fortalecer
Meaning
To support or strengthen; to prop up.
Example
The new policy aims to bolster economic growth.
La nueva política tiene como objetivo reforzar el crecimiento económico.
C2 adjective /ˈbɑː.bər.əs/

Barbarous

bárbaro; cruel; salvaje
Meaning
extremely cruel; uncivilized; savage
Example
The barbarous treatment of prisoners was condemned by human rights organizations.
El trato bárbaro a los prisioneros fue condenado por las organizaciones de derechos humanos.
C2 verb /beɪst/

baste

verter o untar grasa derretida, jugos o líquido sobre la carne mientras se cocina
Meaning
to pour or brush melted fat, juices, or liquid over meat during cooking to keep it moist
Example
She basted the turkey every 30 minutes to keep it juicy.
Ella bastó el pavo cada 30 minutos para mantenerlo jugoso.
B2 noun /ˈbɛərɪŋ/

bearing

comportamiento / postura
Meaning
a person's way of standing or moving; relevance or connection to something
Example
Her calm bearing impressed everyone in the room.
Su comportamiento tranquilo impresionó a todos en la sala.
A2 noun /brʌʃ/

Brush

cepillo
Meaning
a tool with bristles used for cleaning, painting, or grooming
Example
I brush my teeth every morning with a soft brush.
Yo me cepillo los dientes todas las mañanas con un cepillo suave.
B2 noun /braʊ/

brow

frente
Meaning
the part of the face above the eyes; forehead
Example
She wiped the sweat from her brow.
Ella se limpió el sudor de la frente.
B1 adjective /blɒnd/

blond

rubio
Meaning
having light-colored hair, typically pale yellow or golden.
Example
She has long blond hair that shines in the sunlight.
Ella tiene el cabello largo y rubio que brilla al sol.
C2 verb /bɪˈleɪ/

belay

asegurar una cuerda
Meaning
to secure a rope by winding it around an object; to stop or cancel an order (nautical/military use)
Example
The climber asked his partner to belay the rope tightly.
El escalador le pidió a su compañero que asegurara la cuerda fuertemente.
A2 noun /ˈbʊkstɔːr/

bookstore

librería
Meaning
a shop where books are sold
Example
She spent an entire afternoon browsing in the bookstore.
Pasó toda la tarde en la librería.
C2 noun /ˌbɪbliəʊˈmeɪniə/

bibliomania

bibliomanía
Meaning
An extreme obsession with collecting or possessing books.
Example
His bibliomania led him to fill every room with books.
Su bibliomanía lo llevó a llenar cada habitación con libros.
B1 verb /breɪk/

brake

frenar
Meaning
to slow down or stop a vehicle by applying a brake
Example
He braked suddenly to avoid hitting the dog.
Él frenó repentinamente para evitar golpear al perro.
C2 noun /ˈbʊlrʌʃ/

bulrush

junco
Meaning
A tall plant with long leaves that grows in or near water, also known as a cattail.
Example
The pond was surrounded by tall bulrushes swaying in the wind.
El estanque estaba rodeado de altos juncos balanceándose en el viento.
A2 verb /bit/

beat

golpear
Meaning
to strike repeatedly; to defeat; to pulsate rhythmically
Example
Our team will beat theirs in the final match.
Nuestro equipo vencerá al suyo en el partido final.
C1 noun /bəˈnɛv.ə.ləns/

benevolence

benevolencia o caridad
Meaning
The quality of being well meaning and kindly; the disposition to do good.
Example
His benevolence towards the poor earned him respect.
Su benevolencia hacia los pobres le valió respeto.
C2 adjective /ˈbɪbjələs/

bibulous

bebedor
Meaning
Excessively fond of drinking alcohol.
Example
His bibulous habits worried his family.
Sus hábitos bebedores preocupaban a su familia.
C2 noun /bəˈsuːn/

bassoon

un tipo de flauta (instrumento musical de madera grande)
Meaning
a large woodwind instrument with a deep sound
Example
The orchestra featured a beautiful bassoon solo.
La orquesta presentó un hermoso solo de fagot.
C1 adjective /bɪˈnaɪn/

benign

benigno, inofensivo
Meaning
Gentle, kind, or not harmful (especially of a disease or tumor).
Example
The doctor assured her that the tumor was benign.
El médico le aseguró que el tumor era inofensivo.
C1 verb /bɪˈmoʊn/

bemoan

lamentar
Meaning
To express discontent or sorrow over something.
Example
Critics bemoaned the lack of diversity in the film.
Los críticos lamentaron la falta de diversidad en la película.
C1 noun /blaɪt/

blight

plaga
Meaning
A disease or condition that causes plants to wither; something that spoils or damages.
Example
The drought was a blight on the farmer’s crops.
La sequía fue una plaga para los cultivos del agricultor.
B1 noun /bɪˈliːf/

Belief

creencia; confianza
Meaning
confidence in the truth or existence of something; trust or faith
Example
His belief in justice never wavered.
Su creencia en la justicia nunca vaciló.
B2 noun /ˈbriː.ðɪŋ tɛkˌniːks/

breathing techniques

técnicas de respiración
Meaning
Methods of controlling breathing to achieve relaxation and improve health.
Example
Breathing techniques help in reducing stress and anxiety.
Las técnicas de respiración ayudan a reducir el estrés y la ansiedad.
C2 verb /breɪ/

bray

rebuzno
Meaning
To make a loud, harsh sound like a donkey.
Example
The donkey began to bray loudly in the field.
El burro comenzó a rebuznar fuerte en el campo.
C2 noun /ˈbʊljən/

bullion

oro o plata en bruto
Meaning
Gold or silver in bulk before being coined or made into jewelry.
Example
The bank stores gold bullion in its vaults.
El banco guarda oro en bruto en sus bóvedas.
C2 noun /ˈbʌt.ər fɪʃ/

Butter-fish

pez mantequilla
Meaning
a small, smooth-skinned marine fish
Example
The butter-fish is popular in Bengali cuisine.
El pez mantequilla es popular en la cocina bengalí.
C2 adjective /ˈbɪloʊɪŋ/

billowing

ondeando
Meaning
Describing something that swells or surges outward in waves or large masses.
Example
She walked through the billowing curtains.
Ella caminó a través de las cortinas ondeando.
B1 verb /bæn/

ban

prohibir
Meaning
to officially forbid something; to prohibit
Example
The government banned smoking in public places.
El gobierno prohibió fumar en lugares públicos.
B2 noun /beɪ/

Bay

bahía
Meaning
a broad inlet of the sea where the land curves inward
Example
The boats are anchored in the bay.
Los botes están anclados en la bahía.
C1 adjective /ˈblʌdləs/

bloodless

sin sangre
Meaning
without bloodshed; lacking violence or vitality
Example
The revolution was surprisingly bloodless.
La revolución fue sorprendentemente sin sangre.
B1 verb /bʌmp/

bump

golpe
Meaning
To hit something or someone by accident; to knock against something.
Example
He accidentally bumped into the door.
Él accidentalmente chocó con la puerta.
C2 verb /bɪˈhuːvz/

behooves

es necesario
Meaning
third person singular form of 'behoove'; means it is proper or necessary
Example
It behooves every citizen to follow the law.
Es necesario que cada ciudadano siga la ley.
A2 verb /bɛɡ/

beg

pedir
Meaning
to ask for something earnestly; to request humbly
Example
The child begged for a new toy.
El niño pidió un juguete nuevo.
C2 noun /boʊl/

boll

cápsula redonda de semillas (como las de algodón o lino)
Meaning
The rounded seed capsule of plants such as cotton or flax.
Example
The farmer examined the cotton boll to check its quality.
El agricultor examinó el bol de algodón para verificar su calidad.
B1 adverb /ˈbraɪtli/

brightly

brillantemente
Meaning
in a way that gives off a lot of light; in a vivid, cheerful, or intelligent manner
Example
The stars shone brightly in the clear night sky.
Las estrellas brillaban brillantemente en el cielo nocturno despejado.
C2 adjective /ˈbʌmblɪŋ/

bumbling

torpe
Meaning
Acting in a clumsy, awkward, or confused way.
Example
The bumbling waiter spilled the drinks on the table.
El camarero torpe derramó las bebidas sobre la mesa.
C1 adjective ˌbjʊə.rəˈkræt.ɪk

bureaucratic

burocrático
Meaning
Involving or characterized by complex rules and procedures that can delay the achievement of goals.
Example
Bureaucratic red tape often delays project approvals.
La burocracia a menudo retrasa la aprobación de proyectos.
C2 adjective /ˈbɛərˌfeɪst/

barefaced

descarado
Meaning
shameless and undisguised; openly bold or unashamed
Example
He told a barefaced lie in front of everyone.
Él dijo una mentira descarada frente a todos.
C2 verb /ˈbɜːrnɪʃ/

burnish

pulir
Meaning
To polish something by rubbing; to enhance or improve.
Example
He burnished the old table until it shone.
Él pulió la vieja mesa hasta que brilló.
C1 adjective /ˈbleɪtənt/

blatant

flagrante
Meaning
done openly and unashamedly; obvious and offensive
Example
The company's blatant disregard for safety regulations angered the public.
La flagrante indiferencia de la empresa hacia las normas de seguridad enfureció al público.
A1 noun, verb /bʊk/

book

libro / hacer una reserva
Meaning
A set of written, printed, or blank pages fastened together; to arrange for someone to have a seat, room, or ticket in advance.
Example
I booked a table at the restaurant for dinner.
Reservé una mesa en el restaurante para la cena.
B2 noun /ˈbrændɪŋ/

branding

El proceso de crear y promover una marca o la identidad de una empresa
Meaning
The process of creating and promoting a brand or company identity.
Example
Effective branding is key to building customer loyalty.
El branding efectivo es clave para generar lealtad de los clientes.
C2 adjective /blɑːˈzeɪ/

blase

indiferente, desinteresado
Meaning
unimpressed or indifferent to something because it has been experienced so often before
Example
After years of luxury travel, she felt blase about another trip to Paris.
Después de años de viajes de lujo, se sintió indiferente ante otro viaje a París.
B2 noun ˈbaɪ.əʊˌfjuː.əl

biofuel

biocombustible
Meaning
A fuel derived immediately from living matter, as opposed to fossil fuels derived from long-dead biological matter.
Example
Biofuels reduce dependence on conventional energy sources.
Los biocombustibles reducen la dependencia de fuentes de energía convencionales.
C2 noun /ˈbɔːbəl/

bauble

adorno pequeño
Meaning
A small, decorative trinket or ornament, often of little value.
Example
She wore a shiny bauble around her neck.
Ella llevaba un adorno pequeño y brillante alrededor de su cuello.
A2 noun /ˈbʌtərflaɪ/

butterfly

mariposa
Meaning
an insect with large, often brightly colored wings that flies during the day
Example
A beautiful butterfly landed on the flower.
Una hermosa mariposa aterrizó en la flor.
C2 noun /bɛl/

belle

bella mujer
Meaning
A beautiful woman, especially the most attractive woman at a gathering.
Example
She was the belle of the ball that evening.
Ella era la bella de la fiesta esa noche.
C1 adjective ˈbɜːdʒənɪŋ

burgeoning

en expansión
Meaning
Beginning to grow or increase rapidly; flourishing.
Example
The burgeoning tech industry has attracted many investors.
La industria tecnológica en expansión ha atraído a muchos inversores.
C1 adjective /ˈbɒt.əl ɡriːn/

Bottle-green

verde botella
Meaning
a dark green color similar to that of a green glass bottle
Example
She wore a beautiful bottle-green dress to the evening party.
Ella llevó un hermoso vestido de color verde botella a la fiesta de la noche.
A1 noun /bed/

Bed

cama
Meaning
a piece of furniture for sleep or rest, typically a framework with a mattress
Example
She made her bed every morning before going to work.
Ella hace su cama todas las mañanas antes de ir al trabajo.
C2 verb /bɪˈnʌm/

benumb

adormecer
Meaning
to make physically numb or without sensation; to make mentally dull or insensitive
Example
The freezing wind seemed to benumb his fingers within minutes.
El viento helado parecía adormecerle los dedos en minutos.
B1 adverb /ˈbriːf.li/

Briefly

brevemente
Meaning
in a short and clear way; for a short time
Example
Please explain the problem briefly.
Por favor, explique el problema brevemente.
C2 verb /baɪd/

bide

esperar
Meaning
to wait patiently for the right time or opportunity
Example
He decided to bide his time before making a move.
Decidió esperar su tiempo antes de hacer un movimiento.
C1 verb /bɪˈɡrʌdʒ/

begrudge

resentir a alguien por tener algo / dar algo de mala gana
Meaning
to resent someone for having something; to give reluctantly
Example
She did not begrudge him his success.
Ella no le guardó rencor por su éxito.
C2 noun /baɪt/

bight

curvatura
Meaning
A bend or curve in a geographical feature, especially a coastline, or a loop in a rope.
Example
The sailors anchored in the calm waters of the bight.
Los marineros anclaron en las aguas tranquilas de la curvatura.
C2 noun /ˈbɜːrdʒɪs/

burgess

ciudadano de la ciudad
Meaning
A citizen of a town or borough with full rights of citizenship.
Example
In medieval times, a burgess had the right to vote and hold property.
En la Edad Media, un burgues tenía derecho a votar y a poseer propiedad.
B2 noun /boʊst/

Boast

presunción; alarde; jactancia
Meaning
an act of talking with excessive pride about one's achievements
Example
His constant boast about his wealth annoyed everyone.
Su constante alarde sobre su riqueza molestaba a todos.
B2 adjective /bɪˈheɪvjərəl/

behavioral

comportamental
Meaning
relating to the way a person or animal acts
Example
The psychologist studied the child's behavioral patterns.
El psicólogo estudió los patrones de comportamiento del niño.
C2 noun /ˌbuː.ɡənˈvɪl.i.ə/

Bougainvillea

buganvilea
Meaning
a tropical climbing plant with colorful bracts surrounding small flowers
Example
The bougainvillea climbing over the garden wall creates a beautiful purple display.
La buganvilea que trepa sobre la pared del jardín crea una hermosa exhibición morada.
B1 noun /ˈbeɪsɪs/

basis

base
Meaning
the underlying support or foundation for an idea, argument, or process
Example
Trust is the basis of any strong relationship.
La confianza es la base de cualquier relación fuerte.
C1 noun /ˈbæs.ti.ən/

bastion

baluarte, fortaleza
Meaning
a stronghold or fortification; a place or institution strongly defending particular principles
Example
The castle stood as a bastion against enemy attacks.
El castillo se erguía como un baluarte contra los ataques enemigos.