beneficiary
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B2 noun /ˌbɛnɪˈfɪʃəri/

beneficiary

beneficiario
Meaning
a person who receives something, especially money or property, from a will or insurance policy
Example
She is the sole beneficiary of her father’s estate.
Ella es la única beneficiaria de la propiedad de su padre.
C2 verb /bɪˈliːɡər/

beleaguer

asediar, hostigar
Meaning
to cause difficulties, troubles, or harassment; to surround with military forces
Example
The company was beleaguered by constant complaints from its customers.
La empresa estaba siendo asediada por constantes quejas de sus clientes.
C1 verb /ˈblækən/

blacken

ennegrecer
Meaning
to make something black or darker; to stain, soil, or tarnish
Example
Smoke from the fire began to blacken the walls.
El humo del fuego empezó a ennegrecer las paredes.
C2 adjective /ˈbɔːdi/

bawdy

obsceno
Meaning
humorously indecent or obscene, often in a sexual way
Example
The comedian’s bawdy jokes made the audience laugh and blush.
Los chistes obscenos del comediante hicieron reír a la audiencia y sonrojarse.
C1 noun /ˌbaɪˈlæt.ər.əl nɪˌɡəʊ.ʃiˈeɪ.ʃənz/

bilateral negotiations

negociaciones bilaterales
Meaning
Negotiations or discussions between two parties, typically countries or organizations.
Example
Bilateral negotiations resolve disputes.
Las negociaciones bilaterales resuelven disputas.
A2 noun /ˈbenɪfɪt/

Benefit

beneficio; ventaja; ganancia
Meaning
an advantage or profit gained from something; a helpful or good effect
Example
Exercise has many health benefits for your body.
El ejercicio tiene muchos beneficios para tu cuerpo.
B2 noun /ˈbrɛkdaʊn/

breakdown

avería
Meaning
a failure or collapse of a system or machinery
Example
The car had a breakdown on the highway.
El coche tuvo una avería en la carretera.
C2 noun /bəˈfuːnəri/

buffoonery

payasada
Meaning
Foolish or ridiculous behavior intended to amuse.
Example
His constant buffoonery irritated the serious audience.
Su constante payasada irritó al público serio.
C1 noun /blɜːrb/

blurb

descripción promocional
Meaning
a short promotional description of a book, product, or service
Example
The back cover had a blurb praising the novel.
La contraportada tenía una descripción promocional elogiando la novela.
C2 verb /ˈblʌstər/

bluster

presumir
Meaning
to speak loudly in an aggressive or threatening way, often without real power
Example
The manager blustered about firing people but did nothing.
El gerente presumió sobre despedir a las personas, pero no hizo nada.
B2 noun /ˈbrʌðərhʊd/

brotherhood

hermandad
Meaning
The relationship between brothers; an association of people with common interests
Example
The soldiers shared a strong sense of brotherhood.
Los soldados compartieron un fuerte sentido de hermandad.
B1 noun /ˈbæɡɪdʒ/

Baggage

equipaje; pertenencias personales;
Meaning
suitcases and bags containing personal belongings; past experiences or problems that affect behavior
Example
Please collect your baggage from the conveyor belt at the airport.
Por favor, recoja su equipaje en la cinta transportadora en el aeropuerto.
C2 verb /boʊd/

bode

presagiar
Meaning
to be an omen of a particular outcome, often something bad
Example
The dark clouds bode a heavy storm.
Las nubes oscuras presagian una tormenta fuerte.
C1 verb, noun /ˈbreɪnˌwɒʃ/

brainwash

lavar el cerebro
Meaning
to manipulate someone into adopting certain beliefs by repeated pressure or propaganda; the act or process of such manipulation
Example
The group tried to brainwash new members with constant propaganda.
El grupo intentó lavar el cerebro a los nuevos miembros.
A2 adjective /braɪt/

Bright

brillante
Meaning
giving out or reflecting much light; vivid in color
Example
The artist used bright colors in her painting.
La artista usó colores brillantes en su pintura.
B2 noun ˈbleɪzə

blazer

blazer
Meaning
A coloured jacket worn by members of a club, team, or school as part of a uniform.
Example
He looked sharp in his navy blue blazer at the event.
Él lucía elegante en su blazer azul marino en el evento.
A1 adverb /bɪˈhaɪnd/

Behind

detrás
Meaning
at the back of; following; lagging
Example
The car behind us was honking.
El coche detrás de nosotros estaba tocando la bocina.
C1 noun/adjective /ˈbæstərd/

bastard

bastardo
Meaning
a child born to unmarried parents (offensive); also used informally as an insult or to describe something unpleasant
Example
He called him a bastard in anger.
Lo llamó bastardo con ira.
C1 noun /ˈblɛm.ɪʃ/

blemish

imperfección
Meaning
A small mark or flaw that spoils the appearance of something.
Example
The mirror had a small blemish on the surface.
El espejo tenía una pequeña imperfección en la superficie.
B1 noun /blaʊz/

Blouse

blusa
Meaning
a woman's loose upper garment resembling a shirt
Example
She wore a beautiful silk blouse to the party.
Ella usó una blusa de seda hermosa para la fiesta.
A2 noun /bɪɡ boʊl/

Big bowl

tazón grande
Meaning
a large, round, shallow container used for serving food, mixing ingredients, or washing
Example
She mixed the ingredients in a big bowl.
Ella mezcló los ingredientes en un tazón grande.
A2 noun /ˈbækɡraʊnd/

Background

fondo
Meaning
the circumstances or situation that form the setting; a person's education, experience, or social circumstances
Example
She has a strong background in mathematics and computer science.
Ella tiene una sólida formación en matemáticas y ciencias de la computación.
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.
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.
C1 verb /bɪˈreɪt/

berate

regañar
Meaning
to scold or criticize angrily
Example
The teacher berated the student for being late.
El maestro regañó al estudiante por llegar tarde.
B2 verb /bɑːrk/

bark

ladrar
Meaning
to make a sharp sound like a dog; to speak angrily
Example
The dog barks at strangers.
El perro ladra a los extraños.
B1 noun /ˈbæŋkɪŋ/

banking

banca o servicios bancarios
Meaning
the business or services provided by a bank
Example
Online banking has made financial transactions easier.
La banca en línea ha facilitado las transacciones financieras.
A2 noun /ˈbʊkʃɒp/

bookshop

librería
Meaning
a retail store where books are sold
Example
She spent an hour browsing in the small bookshop.
Pasó una hora mirando en la pequeña librería.
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.
C2 verb /bɪˈstruː/

bestrew

esparcir
Meaning
To scatter or cover something with objects or substances.
Example
The ground was bestrewn with autumn leaves.
El suelo estaba cubierto de hojas de otoño.
B1 noun /ˈbʌb.əl/

bubble

burbuja
Meaning
a thin sphere of liquid enclosing air or gas; a temporary state of inflated value or excitement
Example
The children chased the bubbles in the air.
Los niños persiguieron las burbujas en el aire.
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.
C2 adjective /ˈbeɪnfəl/

baneful

perjudicial
Meaning
Causing harm, ruin, or destruction; deadly or poisonous.
Example
His baneful influence ruined the community.
Su influencia perjudicial arruinó la comunidad.
A2 preposition /bɪˈsaɪd/

beside

al lado de
Meaning
next to or at the side of someone or something
Example
She sat beside her best friend during the ceremony.
Ella se sentó al lado de su mejor amiga durante la ceremonia.
C1 noun /bɑːrb/

barb

pua, comentario hiriente
Meaning
a sharp projection such as on a fishhook; a cutting remark
Example
The fishhook has a small barb to keep the fish from escaping.
El anzuelo de pesca tiene una pequeña pua para evitar que el pez se escape.
A1 preposition, adverb /bɪˈtwiːn/

between

entre
Meaning
at, into, or across the space separating two objects or regions
Example
She sat between her two friends.
Ella se sentó entre sus dos amigos.
B2 noun /buˈkeɪ/

Bouquet

ramo de flores
Meaning
an attractively arranged bunch of flowers, especially one presented as a gift or carried at a ceremony
Example
The bride carried a beautiful bouquet of white roses down the aisle.
La novia llevó un hermoso ramo de rosas blancas por el pasillo.
A2 noun /bel/

Bell

campana
Meaning
a hollow metal device that makes a ringing sound when struck
Example
The church bell rang at noon.
La campana de la iglesia sonó al mediodía.
C1 noun /baʊt/

Bout

combate; lucha; sesión;
Meaning
a short period of intense activity of a specified kind; a wrestling or boxing match
Example
After a bout of illness, she finally recovered and returned to work.
Después de un episodio de enfermedad, finalmente se recuperó y volvió al trabajo.
B2 noun /bɪtʃ/

Bitch

perra;
Meaning
a female dog; an unpleasant or spiteful woman (offensive)
Example
The bitch gave birth to five puppies.
La perra dio a luz a cinco cachorros.
B2 noun /ˈbɒmɪŋ/

bombing

bombardeo
Meaning
an attack using bombs or explosives
Example
The city was devastated by the bombing.
La ciudad fue devastada por el bombardeo.
C2 adjective /ˈbrɪndl̩d/

brindled

atigrado
Meaning
Having a brownish or tawny color with streaks or spots of another color.
Example
The farmer owned a brindled cow with distinctive stripes.
El granjero tenía una vaca atigrada con rayas distintivas.
B1 noun /beɪkt miːt/

Baked meat

carne asada
Meaning
meat that has been cooked in an oven using dry heat
Example
The baked meat was tender and flavorful.
La carne asada estaba tierna y sabrosa.
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.
C1 noun /ˈbeɪsbɔːrd/

baseboard

zócalo
Meaning
A narrow board running along the bottom of an interior wall, covering the joint between wall and floor.
Example
The carpenter painted the baseboard white.
El carpintero pintó el zócalo de blanco.
C1 noun /ˈbʌrə, ˈbʊrə/

borough

barrio
Meaning
A town, district, or administrative division, especially one with its own local government.
Example
Brooklyn is a borough of New York City.
Brooklyn es un barrio de la ciudad de Nueva York.
B2 noun /ˈbrɔːdˌkæstər/

broadcaster

locutor
Meaning
a person or organization that transmits a broadcast program.
Example
The broadcaster aired the match live to millions of viewers.
El locutor transmitió el partido en vivo a millones de espectadores.
C1 verb /bɔːk/

balk

negarse
Meaning
to hesitate or refuse to proceed or comply
Example
She balked at signing the contract without reading it fully.
Ella se negó a firmar el contrato sin leerlo completamente.
C2 noun /bəˈfuːn/

buffoon

bufón
Meaning
A ridiculous but amusing person; a clown or jester.
Example
He acted like a buffoon at the party, making everyone laugh.
Actuó como un bufón en la fiesta, haciendo reír a todos.
B1 phrasal verb /bloʊ aʊt/

blow out

apagar
Meaning
to extinguish by blowing; to fail suddenly or burst; to expand or exceed limits dramatically
Example
She blew out the candles on her birthday cake.
Ella apagó las velas de su pastel de cumpleaños.
B1 noun /baɪˈɒlədʒi/

biology

biología
Meaning
The scientific study of living organisms.
Example
Biology explains how plants and animals function.
La biología explica cómo funcionan las plantas y los animales.
A1 noun /bɪt/

Bit

un pequeño pedazo o cantidad de algo; un corto tiempo o distancia
Meaning
a small piece or quantity of something; a short time or distance
Example
Can you wait a bit longer for me?
¿Puedes esperar un poco más por mí?
A2 verb /baɪt/

bite

morder
Meaning
to cut with teeth; to have a sharp effect
Example
The dog might bite if it feels threatened.
El perro podría morder si se siente amenazado.
B1 noun /ˈbeɡər/

Beggar

mendigo
Meaning
a person who lives by asking for money or food
Example
The beggar sat by the temple asking for alms.
El mendigo estaba sentado junto al templo pidiendo limosna.
C1 adjective /ˈbeɪs.ləs/

Baseless

sin fundamento; infundado; sin base
Meaning
without foundation; groundless; unfounded
Example
The accusations against him were completely baseless.
Las acusaciones contra él eran completamente infundadas.
A1 adjective /bɪɡ/

big

grande
Meaning
large in size, extent, or importance
Example
They moved into a big house with plenty of space.
Se mudaron a una casa grande con mucho espacio.
C1 noun /ˈbɪɡətri/

bigotry

intolerancia
Meaning
Intolerance toward those who hold different opinions or lifestyles.
Example
Her bigotry prevented her from accepting people with different beliefs.
Su intolerancia le impidió aceptar a personas con creencias diferentes.
A2 adjective /breɪv/

brave

valiente
Meaning
showing courage in the face of danger or difficulty
Example
The brave firefighter rushed into the burning building.
El valiente bombero corrió hacia el edificio en llamas.
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.
C1 verb /ˈbʌŋɡəl/

bungle

estropear
Meaning
To carry out a task clumsily or incompetently.
Example
He bungled the presentation and confused the audience.
Él estropeó la presentación y confundió a la audiencia.
B2 noun ˈbreɪk.θruː

breakthrough

descubrimiento importante
Meaning
A sudden, dramatic, and important discovery or development.
Example
The breakthrough opens doors for new technology.
El descubrimiento abre puertas para nuevas tecnologías.
C1 noun /ˈbɛd.rɒk/

bedrock

fundamento
Meaning
the solid rock layer beneath the soil; the fundamental basis of something
Example
Trust is the bedrock of a healthy relationship.
La confianza es el fundamento de una relación saludable.
A2 adverb /ˈbæk.wərdz/

Backwards

hacia atrás; en orden inverso
Meaning
in the direction that is behind; in reverse order
Example
He counted backwards from ten to one.
Él contó hacia atrás del diez al uno.
B2 noun /beɪs/

bass

voz masculina baja / guitarra baja
Meaning
the lowest adult male singing voice; also, low-frequency sounds in music or a type of fish
Example
He played the bass guitar at the concert.
Él tocó la guitarra baja en el concierto.
A1 preposition/adverb/conjunction /bɪˈfɔːr/

before

antes
Meaning
At an earlier time; in front of in order or place.
Example
She arrived before the meeting started.
Ella llegó antes de que comenzara la reunión.
C2 verb /ˈbraʊˌbiːt/

browbeat

intimidar / coaccionar
Meaning
To intimidate or bully someone into doing something
Example
The lawyer tried to browbeat the witness.
El abogado intentó intimidar al testigo.
C1 adjective /ˈbed.rɪd.ən/

Bedridden

postrado en cama
Meaning
confined to bed; unable to leave one's bed due to illness or infirmity
Example
The elderly man has been bedridden for several months.
El hombre anciano ha estado postrado en cama durante varios meses.
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.
A2 noun /bɪər/

beer

cerveza
Meaning
An alcoholic drink made from yeast-fermented malt flavored with hops.
Example
He ordered a glass of cold beer at the bar.
Él pidió un vaso de cerveza fría en el bar.
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.
B2 adjective /ˈbʌmpi/

Bumpy

irregular; lleno de baches
Meaning
having an uneven surface; rough; jolting
Example
The bumpy road made the car ride very uncomfortable.
La carretera bumpy hizo que el viaje en coche fuera muy incómodo.
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.
C2 verb /bɪˈleɪbə/

belabour

recalcar en exceso
Meaning
to explain something repeatedly or with excessive detail; to criticize or attack verbally at length
Example
The teacher did not belabour the point once the students understood it.
El profesor no recalcó el punto cuando los estudiantes ya lo entendieron.
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.
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.
B1 verb /briːð/

breathe

respirar
Meaning
To take air into the lungs and send it out again.
Example
It was hard to breathe in the smoky room.
Fue difícil respirar en la habitación llena de humo.
B2 verb /bɪˈfrɛnd/

befriend

hacer amistad
Meaning
to act as a friend to someone; to make friends with
Example
She befriended the new student at school.
Ella hizo amistad con el nuevo estudiante en la escuela.
B2 interjection /ˈbrɑː.voʊ/

bravo

bravo
Meaning
used to express approval, admiration, or praise
Example
The audience shouted 'Bravo!' after the stunning performance.
La audiencia gritó '¡Bravo!' después de la impresionante actuación.
A2 noun /brɪdʒ/

Bridge

puente
Meaning
a structure carrying a road, path, railway, etc. across a river, road, or other obstacle
Example
The old stone bridge has connected the two towns for over a century.
El viejo puente de piedra ha conectado las dos ciudades durante más de un siglo.
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.
C1 noun /bəˈnæn.zə/

Bonanza

situación o evento que crea un aumento repentino en la riqueza, la buena suerte o las ganancias
Meaning
a situation or event that creates a sudden increase in wealth, good fortune, or profits
Example
The oil discovery was a bonanza for the small country.
El descubrimiento de petróleo fue una bonanza para el pequeño país.
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.
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.
B2 noun /bætʃ/

batch

una cantidad de elementos producidos o procesados a la vez
Meaning
a quantity of items produced or processed at one time
Example
She baked a fresh batch of cookies this morning.
Ella horneó un lote fresco de galletas esta mañana.
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.
B1 noun /bɑːm/

Bomb

bomba
Meaning
an explosive device designed to cause damage or destruction
Example
The bomb disposal unit carefully defused the explosive device.
La unidad de desactivación de bombas desactivó cuidadosamente el dispositivo explosivo.
B2 noun /ˈbækˌsaɪd/

backside

parte trasera
Meaning
the rear part or surface of something; informal term for the buttocks
Example
The kids slid down the hill on their backside.
Los niños bajaron la colina en su parte trasera.
C1 noun /blɒˈkeɪd/

Blockade

bloqueo
Meaning
an act or means of sealing off a place to prevent goods or people from entering or leaving
Example
The naval blockade prevented supplies from reaching the port.
El bloqueo naval impidió que los suministros llegaran al puerto.
A1 adjective /ˈbjuː.tɪ.fəl/

Beautiful

hermoso; atractivo; encantador;
Meaning
pleasing to the senses; attractive; having qualities that give great pleasure
Example
She has a beautiful voice that captivates everyone.
Ella tiene una voz hermosa que cautiva a todos.
C2 noun /ˈbɑːr.kəˌroʊl/

barcarole

barcarola
Meaning
a traditional Venetian boat song, often in 6/8 time
Example
The orchestra played a beautiful barcarole that reminded me of Venice.
La orquesta tocó una hermosa barcarola que me recordó a Venecia.
B1 noun /ˈbeɪ.kɪŋ ˈpaʊ.dər/

Baking Powder

polvo de hornear
Meaning
a dry chemical leavening agent used to increase volume and lighten texture in baked goods
Example
The recipe calls for two teaspoons of baking powder.
La receta requiere dos cucharaditas de polvo de hornear.
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 noun /ˈbuːt.leɪs/

Boot-lace

cordón de bota
Meaning
a cord or string used to fasten a boot or shoe
Example
I need to tie my boot-lace before going for a walk.
Necesito atar mi cordón de bota antes de salir a caminar.
B2 noun /ˈbæŋ.ɡəl/

Bangle

brazalete
Meaning
a rigid bracelet or anklet worn as jewelry
Example
She wore beautiful gold bangles on her wrists.
Ella llevaba hermosos brazaletes de oro en sus muñecas.
B1 noun /broʊˈʃʊr/

brochure

folleto
Meaning
a small booklet or pamphlet containing information or advertising
Example
The travel agent gave us a brochure about the holiday package.
El agente de viajes nos dio un folleto sobre el paquete de vacaciones.
C1 verb /brɔɪl/

broil

asar a la parrilla
Meaning
To cook food by direct heat, usually under a grill or over a fire.
Example
She broiled the chicken until it was golden brown.
Ella asó el pollo hasta que estuvo dorado.
C2 noun /ˌbædɪˈnɑːʒ/

badinage

burlas, conversación juguetona
Meaning
Playful and humorous conversation; banter.
Example
The friends enjoyed a light badinage over coffee.
Los amigos disfrutaron de una ligera burlas con el café.
A2 noun /ˈbiː.ɪŋ/

Being

existencia; un ser vivo; el estado de existir
Meaning
existence; a living creature; the state of existing
Example
Every human being deserves respect and dignity.
Cada ser humano merece respeto y dignidad.
C1 verb /bɪˈɡɛt/

beget

engendrar / procrear
Meaning
to bring about or give rise to; to father or produce
Example
Violence begets more violence.
La violencia engendra más violencia.
C1 noun /brɪˈɡeɪd/

brigade

brigada
Meaning
A large group of people organized for a specific purpose, especially a military unit.
Example
The fire brigade arrived quickly to put out the flames.
La brigada de bomberos llegó rápidamente para apagar las llamas.
A2 noun /ˈbraʊzər/

browser

navegador
Meaning
a software application for accessing information on the World Wide Web.
Example
I use a web browser to search for information online.
Uso un navegador web para buscar información en línea.
C2 noun /ˈbɑːr.nɪ.kəl/

Barnacle

percebe
Meaning
a marine crustacean that attaches itself permanently to underwater surfaces
Example
The old ship's hull was covered with barnacles.
El casco del viejo barco estaba cubierto de percebes.
B1 noun /ˈbɜː.nɪŋ/

burning

quemadura
Meaning
The process of combustion of inflammable materials producing heat and light and (typically) smoke.
Example
Burning garbage exacerbates air pollution.
Quemar basura aumenta la contaminación del aire.
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 /ˌbrɪɡ.əˈdɪər/

brigadier

brigadier
Meaning
A military officer rank, usually commanding a brigade.
Example
The brigadier inspected the troops before the parade.
El brigadier inspeccionó las tropas antes del desfile.
C1 adjective /ˈbaʊn.tɪ.fəl/

bountiful

abundante / generoso
Meaning
Large in quantity; abundant; generous in giving.
Example
The farmer was grateful for the bountiful harvest.
El agricultor estaba agradecido por la abundante cosecha.
C1 verb /ˈbɛkən/

beckon

hacer señas
Meaning
to signal or call someone to come closer, often with a gesture; to attract or invite
Example
She beckoned him to come closer with a wave of her hand.
Ella le hizo señas para que se acercara con la mano.
A2 noun /ˈbætəri/

battery

batería
Meaning
A device that stores and provides electrical energy; also refers to a group of similar things or repeated blows.
Example
The phone battery ran out after a long day.
La batería del teléfono se agotó después de un largo día.
A1 noun /ˈbɛdruːm/

bedroom

dormitorio
Meaning
A room used for sleeping in.
Example
The children were playing in the bedroom.
Los niños estaban jugando en el dormitorio.
C1 noun /ˈboʊ.ə/

Boa

boa constrictora
Meaning
a large non-venomous snake that kills prey by constriction
Example
The boa constrictor wrapped around its prey.
El boa constrictor se envolvió alrededor de su presa.
A1 noun /bəˈnæn.ə/

Banana

plátano
Meaning
a long curved fruit with yellow skin and soft sweet flesh
Example
Bananas are a good source of potassium.
Los plátanos son una buena fuente de potasio.
C1 adjective /ˈbɔɪstərəs/

boisterous

bullicioso
Meaning
noisy, energetic, and cheerful; rowdy
Example
The children were boisterous during the birthday party.
Los niños estaban bulliciosos durante la fiesta de cumpleaños.
A2 noun ˈbræntʃɪz

Branches

ramas
Meaning
A part of a tree that grows out from the trunk or from a bough.
Example
Family tree branches show the relationship between family members.
Las ramas del árbol genealógico muestran la relación entre los miembros de la familia.
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.
B1 noun /ˈbæŋkər/

banker

banquero
Meaning
a person who works in or manages a bank
Example
The banker approved the loan after reviewing the documents.
El banquero aprobó el préstamo después de revisar los documentos.
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 noun, verb /ˈbɛvəl/

bevel

bisel
Meaning
A sloping edge or surface; to cut or shape an edge at an angle.
Example
The carpenter beveled the edges of the table.
El carpintero biseló los bordes de la mesa.
C1 noun /ˌbɪbliˈɒɡrəfi/

bibliography

bibliografía
Meaning
a list of books, articles, or other sources used or referred to in scholarly work
Example
The report includes a detailed bibliography at the end.
El informe incluye una bibliografía detallada al final.
A1 verb /brɪŋ/

bring

traer
Meaning
to carry or take something to a place; to come with something
Example
Please bring your books to class tomorrow.
Por favor trae tus libros a clase mañana.
A2 noun ˈbʌt.ən

button

botón
Meaning
A small disk or knob sewn onto a garment, either to fasten it by being pushed through a slit made for the purpose, or for decoration.
Example
Press the button to activate the device.
Presiona el botón para activar el dispositivo.
C2 noun /bleɪn/

Blain

ampolla
Meaning
an inflammatory swelling or sore on the skin; a blister or pustule
Example
The doctor examined the blain on his arm.
El médico examinó la ampolla en su brazo.