bulge
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
C1 noun, verb /bʌldʒ/

bulge

Meaning
A swelling or protruding part; to swell outward or protrude.
Example
The bag began to bulge with too many books inside.
A2 noun /ˈbenɪfɪt/

Benefit

好处; 利益; 益处
Meaning
an advantage or profit gained from something; a helpful or good effect
Example
Exercise has many health benefits for your body.
运动对你的身体有许多健康益处。
C1 noun /ˈbɛərnəs/

bareness

赤裸
Meaning
the state of being bare or uncovered; lack of decoration, warmth, or concealment
Example
The bareness of the room made it feel cold and unwelcoming.
房间的赤裸感让人觉得寒冷而不友好。
C2 verb /bɪˈhuːv/

behoove

有必要或适合某人做某事
Meaning
to be necessary, proper, or appropriate for someone to do
Example
It would behoove you to study before the exam.
你应该在考试前学习。
C2 noun /ˈbrɪk ə ˌbræk/

bric-a-brac

小装饰品
Meaning
Small decorative objects or ornaments, often of little value.
Example
The shelves were filled with old bric-a-brac from her travels.
架子上堆满了她旅行时带回来的旧装饰品。
B2 verb /ˈbætər/

batter

反复打击
Meaning
To strike repeatedly with force.
Example
The waves battered the shoreline all night.
波浪整个晚上拍打着海岸线。
B2 noun /ˈblʌn.dər/

blunder

一个愚蠢或疏忽的错误；判断中的严重错误。
Meaning
A stupid or careless mistake; a serious error in judgment.
Example
His blunder cost the company a fortune.
他的错误让公司损失了巨大的财富。
B2 noun, verb /bluːm/

bloom

开花；繁荣
Meaning
to produce flowers; to develop or flourish; a flower or the state of flowering
Example
The roses bloom beautifully every spring.
玫瑰每年春天都会美丽地开花。
B1 noun /bloʊ/

Blow

打击；用手、武器或坚硬物体的强力打击
Meaning
a powerful stroke with a hand, weapon, or hard object
Example
The boxer delivered a devastating blow to his opponent.
拳击手给对手造成了毁灭性的打击。
A2 adjective /ˈbroʊkən/

Broken

破损的; 损坏的; 断裂的
Meaning
damaged; not working; fractured
Example
The broken window needs to be replaced immediately.
破损的窗户需要立即更换。
C2 noun /boʊl/

boll

圆形种子荚（如棉花或亚麻）
Meaning
The rounded seed capsule of plants such as cotton or flax.
Example
The farmer examined the cotton boll to check its quality.
农民检查了棉花的种子荚，以检查其质量。
A2 verb /blɒk/

block

阻止
Meaning
to obstruct; to prevent passage or progress
Example
The fallen tree blocks the road.
掉落的树挡住了路。
A1 noun /ˈbɔɪˌfrɛnd/

boyfriend

Meaning
a man or boy that someone is having a romantic or close relationship with
Example
She introduced her boyfriend to her parents.
C2 verb /bɪˈfʌdəl/

befuddle

使困惑
Meaning
to confuse someone completely; to make someone unable to think clearly
Example
The complex instructions befuddled the students.
复杂的指示使学生感到困惑。
B2 adjective /boʊld/

Bold

大胆; 自信; 勇敢
Meaning
brave; confident; daring
Example
He made a bold decision to start his own business.
他做出了大胆的决定，开始了自己的生意。
B1 noun /ˈbɪldər/

builder

建筑商
Meaning
a person or company that constructs buildings or other structures
Example
The builder checked the site before starting the construction.
建筑商在开始建造之前检查了现场。
A2 noun /bentʃ/

Bench

长凳
Meaning
a long seat for several people, typically made of wood or stone
Example
The students sat on the bench.
学生们坐在长凳上。
C2 verb /ˈbɪloʊ/

billow

像波浪一样膨胀
Meaning
To swell or rise in large waves or surges; to flow outward in a rolling motion.
Example
Smoke billowed from the burning building.
烟雾像波浪一样从燃烧的建筑中升腾而起。
C2 verb /bɪˈleɪbər/

belabor

Meaning
to argue or elaborate on a subject in excessive detail; to attack verbally or physically
Example
The professor belabored the point until the students grew restless.
C1 verb /ˈbæfəl/

baffle

困惑
Meaning
to confuse; to be too difficult to understand
Example
The math problem baffles me completely.
数学问题完全把我搞糊涂了。
B1 noun /ˈbeɪs.mənt/

Basement

地下室
Meaning
the lowest floor of a building, typically below ground level
Example
We store old furniture in the basement.
我们把旧家具存放在地下室。
B1 noun, verb /ˈbændɪdʒ/

bandage

绷带
Meaning
a strip of material used to cover or protect a wound; to cover or wrap a wound with such material
Example
The nurse carefully bandaged his injured arm.
护士给他受伤的手臂包扎了。
C1 verb; noun /beltʃ/

belch

打嗝
Meaning
to expel air noisily from the stomach through the mouth; to emit or pour out suddenly and forcefully
Example
After drinking the soda, he belched loudly.
喝了汽水后，他大声打嗝。
A1 verb /bɪˈliːv/

believe

相信
Meaning
to think that something is true; to have faith in
Example
I believe in hard work and dedication.
我相信努力工作和奉献。
B1 noun /bʌɡ/

Bug

小虫
Meaning
a small insect; a defect in a computer program
Example
I found a bug crawling on my bed sheets.
我在我的床单上发现了一只小虫在爬行。
C1 noun /ˈbraɪ.dəl/

Bridle

缰绳; 马笼头
Meaning
the headgear used to control a horse, consisting of buckled straps and a bit
Example
The rider adjusted the horse's bridle before mounting for the race.
骑手在上马前调整了马的缰绳。
B2 adjective /ˌbaɪəˈlɒdʒɪkl̩/

biological

生物学的
Meaning
relating to the science of biology or to life and living organisms
Example
She is studying biological sciences at university.
她在大学学习生物科学。
C2 noun /briːtʃ/

breech

Meaning
The back part of a gun barrel; a position of a baby in the womb where the buttocks or feet come out first at birth.
Example
The rifle was loaded through the breech.
C1 noun /ˈbɪɡ.ət/

bigot

偏执者
Meaning
A person who is intolerant toward those holding different opinions or beliefs.
Example
He was called a bigot for refusing to listen to others' views.
因为拒绝听取他人的观点，他被称为偏执者。
B1 verb /baʊns/

bounce

反弹
Meaning
to spring back after hitting something; to rebound.
Example
The ball bounced off the wall and hit the window.
球投在墙上反弹，然后打到窗户。
C1 noun /ˈbeɪsbɔːrd/

baseboard

踢脚线
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.
木匠把踢脚线涂成了白色。
C1 adjective /bəˈroʊk/

baroque

巴洛克风格
Meaning
relating to a highly ornate and extravagant style of art, architecture, or music from the 17th and early 18th centuries; excessively elaborate or complex
Example
The church was decorated in a baroque style with intricate details.
教堂以复杂的巴洛克风格装饰，细节繁复。
B2 verb /bleɪz/

blaze

熊熊火焰
Meaning
to burn brightly or powerfully
Example
The fire blazed for hours before it was brought under control.
火焰持续燃烧了几个小时，直到它被控制住。
C2 noun /ˈbræɡərt/

braggart

吹牛者
Meaning
a person who boasts about achievements or possessions
Example
No one liked him because he was such a braggart.
没有人喜欢他，因为他是个吹牛者。
A2 noun /blʌd/

Blood

血液
Meaning
the red liquid that circulates in the arteries and veins of humans and animals, carrying oxygen to and carbon dioxide from the tissues of the body
Example
The doctor took a blood sample for testing.
医生取了一个血样进行测试。
C2 noun, verb /ˈbɛvəl/

bevel

斜面
Meaning
A sloping edge or surface; to cut or shape an edge at an angle.
Example
The carpenter beveled the edges of the table.
木匠将桌子的边缘斜切。
B2 adjective /bɪˈheɪvjərəl/

behavioral

行为的
Meaning
relating to the way a person or animal acts
Example
The psychologist studied the child's behavioral patterns.
心理学家研究了孩子的行为模式。
C1 verb /bɪˈhɛd/

behead

斩首
Meaning
to cut off a person's or animal's head; to remove the leader or most important part
Example
The historical account describes how the traitor was beheaded as punishment.
历史记载描述了叛徒作为惩罚被斩首的经过。
C2 noun /ˈbrɪk.bæt/

Brickbat

一块砖块；严厉的批评或谴责
Meaning
a piece of brick, especially one used as a missile; harsh criticism or censure
Example
The angry protesters threw brickbats at the building windows.
愤怒的抗议者将砖块扔向建筑物的窗户。
A2 adjective /blaɪnd/

blind

Meaning
Unable to see because of injury, disease, or a congenital condition.
Example
He has been blind since birth.
C2 noun /ˈbɑːr.bər/

Barbar

理发师
Meaning
a person whose job is to cut men's hair and shave or trim beards
Example
The barber gave him a perfect haircut for his wedding.
理发师为他的婚礼剪了一个完美的发型。
A1 noun /breɪk/

break

休息
Meaning
A pause in work or during an activity or event.
Example
Short breaks refresh your mind.
短暂的休息可以让你的思维焕然一新。
B2 noun/verb /ˈbrækɪt/

bracket

金属支架
Meaning
A support attached to a wall for holding something; also, to group things together.
Example
The shelf was held up by a strong metal bracket.
架子被一个强大的金属支架支撑。
C1 verb, noun /ˈbʌsəl/

bustle

喧嚣, 忙碌
Meaning
to move in an energetic or noisy manner; busy activity in a place
Example
The marketplace bustled with vendors and customers.
市场充满了小贩和顾客。
C2 noun /ˈbɜːrsər/

bursar

财务主管
Meaning
An official in a school or college responsible for financial affairs.
Example
The bursar approved the budget for the new library.
财务主管批准了新图书馆的预算。
B2 noun, verb /ˈbʌŋkər/

bunker

地堡
Meaning
a reinforced underground shelter; to place or store something in a protected place
Example
They hid in a bunker during the air raid.
空袭期间他们躲在地堡里。
C1 verb /ˈbɪkər/

bicker

为琐事争吵
Meaning
To argue or quarrel about trivial matters.
Example
The children began to bicker over the last piece of cake.
孩子们开始为了最后一块蛋糕而争吵。
C1 verb /ˈbædʒər/

badger

烦扰, 打扰
Meaning
To repeatedly ask or annoy someone with demands or questions.
Example
The reporter kept badgering the politician with questions.
记者不断用问题打扰政治人物。
A1 noun /ˈbɑːθruːm/

bathroom

浴室
Meaning
a room containing a toilet and usually a sink or shower
Example
The bathroom is on the second floor.
浴室在二楼。
C1 verb/noun ˈbuːt.stræp

bootstrap

通过使用个人资源而非外部资金启动并发展一个企业
Meaning
To start and develop a business using personal resources without external funding.
Example
He bootstrapped his company with minimal resources.
他用最小的资源启动了自己的公司。
A2 verb /beɪs/

base

基于
Meaning
to use something as a foundation; to establish or locate something
Example
They based their decision on facts.
他们基于事实做出了决定。
C2 noun brəˈvɑː.dəʊ

bravado

虚假的勇气或信心
Meaning
Show of courage or confidence that is not real.
Example
His bravado masked his nervousness before the performance.
他的虚张声势掩盖了他在表演前的紧张情绪。
C2 noun /beɪz/

baize

一种粗糙的羊毛布料
Meaning
A type of coarse woolen cloth, often green, used for covering tables such as billiard tables.
Example
The old card table was covered with worn baize.
旧的扑克牌桌上覆盖着磨损的贝兹布料。
C2 noun /ˈbriːzˌweɪ/

breezeway

有顶走道
Meaning
A roofed outdoor passage, often connecting two buildings.
Example
The breezeway connected the house to the garage.
有顶走道将房子与车库连接在一起。
B1 noun /ˈboʊ.nəs/

Bonus

奖金
Meaning
an amount of money added to wages on a seasonal basis, especially as a reward for good performance
Example
She received a year-end bonus for her excellent work performance.
她因出色的工作表现而获得了年终奖金。
C1 noun /ˈbærɪˌtoʊn/

baritone

低沉的男声
Meaning
a male singing voice between tenor and bass
Example
The singer’s baritone voice impressed the audience.
歌手的男中音给观众留下了深刻印象。
A1 noun /ˈbɒdi/

body

身体
Meaning
the physical structure of a person or animal
Example
Exercise helps keep the body healthy.
锻炼有助于保持身体健康。
A1 verb /bɪˈkʌm/

become

变得
Meaning
to grow to be; to come to be
Example
She became a doctor after years of study.
她经过多年的学习成为了一名医生。
C1 adjective /bɪˈfɪt.ɪŋ/

Befitting

合适的; 适合的; 对于特定情况或人适当
Meaning
appropriate; suitable; proper for a particular situation or person
Example
He wore formal attire befitting the important occasion.
他穿了适合重要场合的正式服装。
C2 adjective /ˈbrætɪʃ/

brattish

任性
Meaning
acting like a spoiled child; behaving in an annoying, self-centered way
Example
The brattish boy threw a tantrum when he didn’t get his toy.
那个任性的男孩因为没有得到玩具而发脾气。
B2 noun /ˈbɒdiɡɑːrd/

bodyguard

保镖
Meaning
a person employed to protect someone from harm
Example
The celebrity arrived with her bodyguard.
那位名人带着她的保镖到达了。
B1 noun /ˈbles.ɪŋ/

Blessing

祝福; 礼物;
Meaning
a beneficial thing for which one is grateful; divine favor
Example
Having good health is a blessing that we should cherish.
拥有良好的健康是我们应该珍惜的祝福。
C2 noun /ˈbʌskɪn/

buskin

厚底靴
Meaning
A type of thick-soled boot that reaches halfway to the knee; also associated with tragic drama in ancient times.
Example
The actor wore a buskin as part of his classical costume.
那位演员穿着巴斯金鞋子作为他经典服装的一部分。
C2 noun /blæk biː/

Black-bee

黑蜜蜂
Meaning
a large dark-colored bee that makes a loud buzzing sound
Example
The black-bee was buzzing around the flowers in the garden.
黑蜜蜂在花园里的花丛中嗡嗡作响。
B1 verb /breɪk/

brake

Meaning
to slow down or stop a vehicle by applying a brake
Example
He braked suddenly to avoid hitting the dog.
C1 verb /ˈbɛkən/

beckon

招手示意
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.
她挥手示意他走近一些。
A1 noun /bəˈnæn.ə/

Banana

香蕉
Meaning
a long curved fruit with yellow skin and soft sweet flesh
Example
Bananas are a good source of potassium.
香蕉是钾的良好来源。
A2 adjective /breɪv/

brave

勇敢
Meaning
showing courage in the face of danger or difficulty
Example
The brave firefighter rushed into the burning building.
勇敢的消防员冲进了燃烧的建筑物。
C1 adjective /ˌbaɪˈlæt.ər.əl/

bilateral

双边
Meaning
An agreement or relationship between two parties that is mutual, two-sided, or reciprocal.
Example
The two countries signed a bilateral trade agreement.
这两个国家签署了一项双边贸易协议。
C2 noun /ˈbæs.tərd tiːk/

Bastard teak

黄花檀
Meaning
A flowering tree with bright orange-red flowers, also known as flame of the forest
Example
The bastard teak tree blooms with vibrant orange flowers in spring.
黄花檀树在春天开出鲜艳的橙色花朵。
A2 verb /bæt/

bat

用球棒打
Meaning
to hit with a bat; to flutter eyelids
Example
She bats her eyelashes flirtatiously.
她调皮地眨着眼睛。
C2 verb /bɪˈsmɪər/

besmear

弄脏
Meaning
to smear or cover with a sticky or dirty substance; to soil
Example
His clothes were besmeared with mud.
他的衣服沾满了泥巴。
B2 adjective /bɪˈkʌmɪŋ/

becoming

得体
Meaning
attractive, suitable, or flattering to the wearer or situation
Example
That dress is very becoming on her.
那件衣服看起来很合适。
B2 noun /beɪ liːf/

Bay leaf

月桂叶
Meaning
dried aromatic leaf of the bay laurel tree used as a culinary herb
Example
Add a bay leaf to the soup for extra flavor.
在汤中加入月桂叶，增添风味。
A1 noun /ˈbɒt.əl/

Bottle

瓶子
Meaning
a container with a narrow neck, typically made of glass or plastic, used for storing liquids
Example
She drank water from a plastic bottle.
她从塑料瓶里喝水。
B2 verb baɪnd

bind

绑定
Meaning
To tie, fasten, or hold together securely.
Example
This force binds quarks together.
这个力量将夸克绑定在一起。
C2 noun /ˌbʌkəˈnɪər/

buccaneer

海盗
Meaning
a pirate, especially one active in the Caribbean during the 17th and 18th centuries
Example
The buccaneer sailed across the Caribbean in search of treasure.
这位海盗在加勒比海中航行，寻找宝藏。
C1 adjective /ˈbleɪtənt/

blatant

明显的
Meaning
done openly and unashamedly; obvious and offensive
Example
The company's blatant disregard for safety regulations angered the public.
公司对安全规定的公然蔑视激怒了公众。
C2 verb /ˈbɜːrnɪʃ/

burnish

Meaning
To polish something by rubbing; to enhance or improve.
Example
He burnished the old table until it shone.
B2 noun /ˈbʊlɪt/

Bullet

子弹
Meaning
a metal projectile fired from a gun
Example
The bullet missed its target and hit the wall.
子弹错过了目标并击中了墙壁。
B1 adjective /blɒnd/

blond

Meaning
having light-colored hair, typically pale yellow or golden.
Example
She has long blond hair that shines in the sunlight.
A1 noun /ˈbɛdruːm/

bedroom

卧室
Meaning
A room used for sleeping in.
Example
The children were playing in the bedroom.
孩子们正在卧室里玩耍。
A2 noun /ˈbɪljən/

billion

Meaning
the number 1,000,000,000 (one thousand million)
Example
The company is worth more than a billion dollars.
A2 noun /bɒs/

boss

老板
Meaning
a person who is in charge of a worker, group, or organization
Example
Her boss gave her a new project to complete.
她的老板给她分配了一个新的项目来完成。
C2 noun /ˈbɑːr.kəˌroʊl/

barcarole

巴尔卡罗尔
Meaning
a traditional Venetian boat song, often in 6/8 time
Example
The orchestra played a beautiful barcarole that reminded me of Venice.
乐团演奏了一首美丽的巴尔卡罗尔，令我想起了威尼斯。
B2 noun /ˈbriː.ðɪŋ tɛkˌniːks/

breathing techniques

呼吸技巧
Meaning
Methods of controlling breathing to achieve relaxation and improve health.
Example
Breathing techniques help in reducing stress and anxiety.
呼吸技巧有助于减少压力和焦虑。
B2 noun /bɪd/

Bid

出价; 投标
Meaning
an offer to pay a certain amount for something; an attempt to obtain or achieve something
Example
She made a bid for the antique vase at the auction.
她在拍卖会上出价购买那只古董花瓶。
C2 verb /bɪˈhuːvz/

behooves

有必要
Meaning
third person singular form of 'behoove'; means it is proper or necessary
Example
It behooves every citizen to follow the law.
每个公民都应该遵守法律。
C1 verb /bɔːk/

balk

拒绝
Meaning
to hesitate or refuse to proceed or comply
Example
She balked at signing the contract without reading it fully.
她犹豫着没有完全阅读合同就签署了。
C2 noun /bəˈkuːl/

Bakul

巴库尔花
Meaning
a fragrant white flower native to South Asia, scientifically known as Mimusops elengi
Example
The sweet fragrance of bakul flowers filled the evening air in the village.
巴库尔花的甜美香气弥漫在村庄的傍晚空气中。
C1 noun /brɛdθ/

breadth

宽度
Meaning
The distance or measurement from side to side; width; a wide range.
Example
The breadth of his knowledge impressed everyone.
他的知识宽度给大家留下了深刻印象。
B2 verb /ˈbraɪtən/

brighten

使明亮
Meaning
to make something lighter or more colorful; to improve mood or make happier
Example
A few kind words can brighten someone's day.
几句善意的话可以让人的一天变得明亮。
C2 adjective /ˈbʌksəm/

buxom

丰满且迷人的女性
Meaning
Plump, with a full figure and often large-breasted, especially used to describe women.
Example
The actress was described as a cheerful and buxom woman.
这位女演员被描述为一个快乐且丰满的女性。
C1 noun /ˌbaɪˈlæt.ər.əl nɪˌɡəʊ.ʃiˈeɪ.ʃənz/

bilateral negotiations

双边谈判
Meaning
Negotiations or discussions between two parties, typically countries or organizations.
Example
Bilateral negotiations resolve disputes.
双边谈判解决争议。
A2 noun /ˈbæskɪt/

basket

篮子
Meaning
a container made of woven materials used for carrying or storing things
Example
She carried the apples in a basket.
她把苹果放在篮子里。
C2 noun /ˈbrɛviˌɛri/

breviary

祷告书
Meaning
A book containing the service for each day, used in Christian liturgy.
Example
The monk read from the breviary during morning prayers.
僧侣在早晨祷告时从祷告书中朗读。
C2 noun /bɑːrd/

bard

诗人
Meaning
a poet, traditionally one reciting epics and associated with oral traditions
Example
Shakespeare is often called the Bard of Avon.
莎士比亚常被称为艾文的诗人。
C2 adjective /ˈbaɪ.fərˌkeɪ.tɪd/

bifurcated

分成两部分
Meaning
Divided into two branches or parts.
Example
The river became bifurcated as it flowed around the island.
河流分成两部分，当它绕过岛屿时。
C2 verb /ˈbɒtənaɪz/

botanize

研究植物
Meaning
to study plants in their natural environment
Example
They went to the forest to botanize during their vacation.
他们在度假时去森林里研究植物。
C1 verb bɪˈkwiːð

bequeath

遗赠
Meaning
Leave something to someone in a will; pass down or hand down to the next generation.
Example
The scientist bequeathed his research papers to the university.
科学家把他的研究论文遗赠给了大学。
B1 adverb /ˈber.li/

Barely

勉强; 刚好; 几乎没有
Meaning
scarcely; only just; almost not
Example
I barely passed the exam.
我勉强通过了考试。
C2 adjective /ˈbɑː.bər.əs/

Barbarous

野蛮; 残忍; 野生
Meaning
extremely cruel; uncivilized; savage
Example
The barbarous treatment of prisoners was condemned by human rights organizations.
对囚犯的野蛮待遇受到了人权组织的谴责。
C2 noun /ˈbɒmbæst/

bombast

夸张的语言
Meaning
speech or writing that is overly pompous and inflated
Example
His campaign speech was full of bombast but lacked real substance.
他的竞选演讲充满了浮夸的言辞，但缺乏真正的实质内容。
B1 noun /ˈbɒksər/

boxer

拳击手; 平角内裤; 拳师犬
Meaning
a person who fights in the sport of boxing; a type of short loose-fitting underwear; a breed of medium-to-large dog
Example
The boxer trained hard every morning before the championship match.
那名拳击手在冠军赛前每天早上刻苦训练。
C2 adjective /ˈbuːtləs/

bootless

无用的
Meaning
Useless or futile; of no benefit.
Example
His bootless attempt to fix the machine only wasted time.
他修理机器的无用尝试只是浪费了时间。
C2 verb /bɪˈleɪbə/

belabour

过分强调
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.
当学生已经理解后，老师没有过分强调这一点。
C2 noun ˈbaɪəʊˌsaɪd

biocide

生物杀灭剂
Meaning
A chemical substance or microorganism intended to destroy, deter, render harmless, or exert a controlling effect on any harmful organism.
Example
Biocides help control pests and reduce the spread of diseases.
生物杀灭剂帮助控制害虫，并减少疾病传播。
C1 noun /bəˈrɑːʒ/

barrage

弹幕或快速攻击
Meaning
a concentrated outpouring of questions, criticisms, or blows; a rapid, continuous attack
Example
The politician faced a barrage of tough questions from reporters.
政治家面对记者们一连串尖锐的问题。
C2 noun /ˈbrɒŋkəs/

bronchus

支气管
Meaning
either of the two main branches of the trachea that lead directly into the lungs
Example
The left bronchus carries air into the left lung.
左支气管将空气输送到左肺。
C2 verb /bɪˈliːɡər/

beleaguer

围困, 烦扰
Meaning
to cause difficulties, troubles, or harassment; to surround with military forces
Example
The company was beleaguered by constant complaints from its customers.
该公司因客户不断的投诉而被围困。
B1 noun /ˈbɜː.nɪŋ/

burning

燃烧
Meaning
The process of combustion of inflammable materials producing heat and light and (typically) smoke.
Example
Burning garbage exacerbates air pollution.
燃烧垃圾加剧了空气污染。
C1 adjective /ˈbʊkɪʃ/

Bookish

爱读书的; 学术的
Meaning
studious; scholarly; devoted to reading and studying
Example
She was known for her bookish nature and love of literature.
她以书本亲和的天性和对文学的热爱而闻名。
B2 noun /broʊtʃ/

brooch

Meaning
a decorative jewelry pin that is attached to clothing
Example
She wore a beautiful silver brooch on her jacket.
C2 verb /ˈblʌstər/

bluster

大声吹嘘
Meaning
to speak loudly in an aggressive or threatening way, often without real power
Example
The manager blustered about firing people but did nothing.
经理大声吹嘘解雇人，但什么也没做。
C2 noun /ˈblʌfər/

bluffer

虚张声势的人
Meaning
a person who pretends to be more confident, skilled, or knowledgeable than they really are; someone who deceives others by bluffing
Example
Everyone eventually realized that he was just a bluffer with no real experience.
大家最终意识到他只是个虚张声势的人。
B2 noun /ˈbɑː.li/

Barley

大麦
Meaning
a cereal grain used for food, brewing beer, and animal feed
Example
The farmer harvested barley from his fields in autumn.
农民在秋天从他的田地里收获了大麦。
A2 noun /ˈbraʊzər/

browser

浏览器
Meaning
a software application for accessing information on the World Wide Web.
Example
I use a web browser to search for information online.
我使用网页浏览器在网上查找信息。
A2 noun /ˈbʊkɪŋ/

booking

预订
Meaning
the act of reserving accommodations, tickets, etc.
Example
I made a booking for a hotel room in advance.
我提前预定了一个酒店房间。
C1 adjective /ˈbed.rɪd.ən/

Bedridden

卧床不起
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.
这位年长的男士已经卧床不起好几个月了。
C2 verb /ˈbæstərdaɪz/

bastardize

歪曲
Meaning
to corrupt or debase something by altering it from its original form; to change in a way that reduces quality or purity
Example
Critics argue that the remake bastardized the original novel.
评论家认为这次改编歪曲了原作。
B2 verb /blɪŋk/

blink

眨眼
Meaning
to close and open the eyes quickly.
Example
She blinked rapidly to clear the dust from her eyes.
她迅速眨眼清除眼中的灰尘。