bicker
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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 noun /ˈbærɪstər/

barrister

律师
Meaning
A type of lawyer in certain legal systems who specializes in courtroom advocacy and litigation.
Example
The barrister argued the case passionately before the judge.
律师在法官面前激情澎湃地辩论案件。
C1 noun /ˈbæs.ti.ən/

bastion

堡垒, 防御工事
Meaning
a stronghold or fortification; a place or institution strongly defending particular principles
Example
The castle stood as a bastion against enemy attacks.
这座城堡作为抵御敌人攻击的堡垒而屹立。
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。
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。
C1 noun /bəˈnæn.zə/

Bonanza

一种突然增加财富、好运或利润的情况或事件
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.
石油的发现对这个小国来说是一个博南萨。
C1 noun /ˈbeɪlɪf/

bailiff

法警
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.
当法官进入法庭时，法警要求大家起立。
C1 noun /blæk plʌm/

Black plum

黑李子
Meaning
a dark purple or black colored edible fruit with sweet and sour taste
Example
I picked some fresh black plums from the tree in our backyard.
我从我们后院的树上摘了几颗新鲜的黑李子。
C1 noun /beɪn/

bane

祸根
Meaning
A cause of great distress, harm, or annoyance.
Example
Traffic jams are the bane of city life.
交通堵塞是城市生活的祸根。
C1 noun/adjective/verb /bʌf/

buff

影迷 / 打磨
Meaning
A fan or enthusiast; also to polish or shine something.
Example
He is a movie buff who watches films every weekend.
他是一个电影迷，每个周末都看电影。
C1 verb /bɪˈsiːdʒ/

besiege

围困
Meaning
to surround a place with armed forces to capture it; to overwhelm with requests or attention
Example
The city was besieged by enemy troops.
城市被敌军包围了。
C1 verb /bɪˈstoʊ/

bestow

授予
Meaning
To give or present something as a gift or honor.
Example
The king bestowed honors upon the brave soldiers.
国王授予勇敢的士兵荣誉。
C1 adjective /bɪˈleɪtɪd/

belated

迟到的
Meaning
coming or happening later than expected or usual
Example
She sent me a belated birthday card.
她寄给我一张迟到的生日卡。
C1 adjective /ˈbuːzi/

boozy

酒气的
Meaning
containing or involving a lot of alcohol; slightly drunk from alcohol
Example
The party became boozy as the night went on.
随着夜晚的进行，派对变得很有酒气。
C1 noun /bʊk ˈbaɪn.dər/

Book binder

图书装订工
Meaning
a person whose job is to fasten the pages of books together and put covers on them
Example
The old book binder carefully restored the antique manuscript.
老图书装订工仔细恢复了古老的手稿。
C1 noun /ˈbuːt.stræp.ɪŋ/

bootstrapping

自筹资金
Meaning
Starting a business with personal resources or small investments without external funding or venture capital.
Example
Many entrepreneurs rely on bootstrapping to launch their businesses.
许多企业家依靠自筹资金启动他们的业务。
C1 verb /bɪˈsɛt/

beset

Meaning
to trouble, harass, or attack on all sides
Example
The village was beset by constant floods.
C1 adjective /ˈbeɪs.ləs/

Baseless

没有根据的; 无根据的; 不合理的
Meaning
without foundation; groundless; unfounded
Example
The accusations against him were completely baseless.
对他的指控完全没有根据。
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。
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。
C1 noun /brɔːl/

brawl

争吵
Meaning
a noisy fight in a public place
Example
A brawl broke out outside the bar late at night.
夜晚在酒吧外发生了争吵。
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。
C1 adjective /ˈbɒt.əl ɡriːn/

Bottle-green

瓶绿色
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.
她穿了一件漂亮的瓶绿色连衣裙参加晚宴。
C1 adjective /ˈbɛndi/

bendy

柔韧的
Meaning
Easily curved or flexible.
Example
The bendy straw made it easier to drink from the cup.
弯曲的吸管使得从杯子里喝水更加容易。
C1 adjective /ˈblʌdləs/

bloodless

无血
Meaning
without bloodshed; lacking violence or vitality
Example
The revolution was surprisingly bloodless.
这场革命出奇地没有流血。
C1 adjective /ˈbækˌhændɪd/

backhanded

间接或讽刺的
Meaning
Indirect or sarcastic, often appearing as praise but actually insulting.
Example
She gave him a backhanded compliment about his work.
她给了他一个间接的赞美，关于他的工作。
C1 noun /ˈbroʊkərɪdʒ/

brokerage

经纪公司
Meaning
A firm that acts as an intermediary between buyers and sellers, often charging a fee.
Example
The real estate brokerage helped them find a new home.
房地产经纪公司帮助他们找到了一处新家。
C1 adjective /ˈbaʊn.tɪ.fəl/

bountiful

丰盛的 / 慷慨的
Meaning
Large in quantity; abundant; generous in giving.
Example
The farmer was grateful for the bountiful harvest.
农民感激丰收的成果。
C1 noun /ˈblɒk.ɪdʒ/

Blockage

阻塞
Meaning
an obstruction that makes movement or flow difficult or impossible
Example
The drain blockage caused water to overflow in the kitchen.
排水管的阻塞导致水在厨房溢出。
C1 verb /bɪˈlɪtl/

belittle

贬低
Meaning
To make someone or something seem less important or less valuable.
Example
He often belittled his coworkers to feel superior.
他经常贬低同事以感到优越。
C1 noun /ˈbenɪˌfæktər/

Benefactor

捐赠人; 慈善家; 赞助人
Meaning
a person who gives money or other help to support a person or cause; a patron
Example
The anonymous benefactor donated millions to the hospital.
匿名捐助者向医院捐赠了数百万。
C1 noun /ˈbæləd/

ballad

叙事歌曲
Meaning
a narrative song or poem, often sentimental or romantic
Example
The singer performed a moving ballad about lost love.
歌手演唱了一首感人的失恋歌曲。
C1 adjective /bɪˈmjuːzd/

bemused

困惑的，迷茫的
Meaning
confused, puzzled, or lost in thought
Example
She looked bemused when he asked the strange question.
当他问了一个奇怪的问题时，她看起来很困惑。
C1 noun /bɪˈtreɪər/

Betrayer

背叛者; 不忠者
Meaning
a person who betrays someone or something; one who is disloyal
Example
The betrayer was exposed and faced severe consequences.
背叛者被曝光并面临严重后果。
C1 noun /bɑːm/

balm

香膏
Meaning
A soothing ointment or something that provides comfort or relief.
Example
The balm helped relieve the pain from her sunburn.
香膏帮助缓解她的晒伤疼痛。
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。
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。
C1 noun /bɒmˈbɑːrdmənt/

bombardment

轰炸
Meaning
a continuous attack with bombs or other projectiles
Example
The city endured a heavy bombardment during the war.
这座城市在战争期间承受了猛烈的轰炸。
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。
C1 verb /ˈbʌŋɡəl/

bungle

搞砸
Meaning
To carry out a task clumsily or incompetently.
Example
He bungled the presentation and confused the audience.
他搞砸了演示并让观众感到困惑。
C1 verb /bɪˈmoʊn/

bemoan

感到遗憾
Meaning
To express discontent or sorrow over something.
Example
Critics bemoaned the lack of diversity in the film.
评论家对电影中的多样性缺乏表示遗憾。
C1 verb /bɔːl/

bawl

大声哭泣
Meaning
to shout or cry loudly
Example
The baby bawled all night, keeping everyone awake.
宝宝整晚哭个不停，吵醒了所有人。
C1 verb /bɪˈɡrʌdʒ/

begrudge

嫉妒某人拥有某物 / 勉强给予
Meaning
to resent someone for having something; to give reluctantly
Example
She did not begrudge him his success.
她没有对他的成功感到嫉妒。
C1 verb /broʊtʃ/

broach

提出
Meaning
to bring up a subject for discussion
Example
She decided to broach the topic of salary with her manager.
她决定与经理讨论工资问题。
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。
C1 noun /brʌnt/

brunt

主要冲击
Meaning
the worst part or main impact of something unpleasant
Example
The small town bore the brunt of the storm.
小镇承受了风暴的主要冲击。
C1 noun/verb /ˈbɔɪ/ or /ˈbuːi/

buoy

浮标, 保持漂浮
Meaning
A floating marker on water; to keep something afloat or encourage someone.
Example
The news buoyed their spirits after the loss.
新闻在失落后提升了他们的精神。
C1 noun /ˈbʊl.ək/

Bullock

牛犊
Meaning
a young bull; a castrated bull used for farm work
Example
The farmer used a bullock to plow the field.
农民用牛犊来耕地。
C1 noun /blɜːrb/

blurb

宣传描述
Meaning
a short promotional description of a book, product, or service
Example
The back cover had a blurb praising the novel.
封底有一段宣传描述，赞扬这本小说。
C1 verb /ˈbruːtəlaɪz/

brutalize

残酷对待
Meaning
to treat someone with extreme violence or cruelty; to make something harsh or cruel
Example
The regime was accused of brutalizing innocent civilians.
该政权被指控残酷对待无辜平民。
C1 adjective /ˈbrɪslɪŋ/

bristling

竖毛的; 充满能量
Meaning
full of energy, anger, or excitement; showing bristles standing up
Example
He entered the room bristling with confidence.
他带着自信走进了房间。
C1 verb /bɪˈreɪt/

berate

训斥
Meaning
to scold or criticize angrily
Example
The teacher berated the student for being late.
老师因迟到而训斥了学生。
C1 noun /beɪl/

bail

保释
Meaning
the temporary release of an accused person awaiting trial, often with a financial guarantee
Example
He was granted bail after his arrest.
他在被捕后获得了保释。
C1 adjective /ˈbær.ən/

Barren

荒芜的; 不毛的; 无生气的; 不生产的
Meaning
sterile; unable to produce; desolate; unproductive
Example
The barren desert stretched for miles without any vegetation.
荒凉的沙漠延伸了几英里，没有任何植被。
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。
C1 noun /brɪm/

Brim

边缘; 边沿
Meaning
the projecting edge of a hat; the edge or lip of something
Example
The wide brim of his hat protected him from the scorching sun.
他帽子宽大的边缘保护他免受炽热阳光的照射。
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。
C1 phrase ˌbaɪ.oʊ.daɪˈvɜː.sɪ.ti ˌprez.əˈveɪ.ʃən

biodiversity preservation

生物多样性保护
Meaning
The protection and conservation of the variety of life in all its forms, including different species, genetic diversity, and ecosystems.
Example
Biodiversity preservation is critical for ecological balance.
生物多样性保护对生态平衡至关重要。
C1 noun /ˈbeɪ.zəl siːdz/

Basil Seeds

罗勒种子
Meaning
small black seeds from the basil plant, often used in drinks and desserts
Example
I added basil seeds to my lemonade for a refreshing drink.
我在柠檬水中加入了罗勒种子，制作了一种清爽的饮品。
C1 verb /bɪˈriːv/

bereave

失去亲人
Meaning
to deprive someone of a loved one through death
Example
She was bereaved of her husband last year.
她去年失去了她的丈夫。
C1 adjective /bɪˈnaɪn/

benign

Meaning
Gentle, kind, or not harmful (especially of a disease or tumor).
Example
The doctor assured her that the tumor was benign.
C1 verb /ˈbɑːrtər/

barter

Meaning
To exchange goods or services without using money.
Example
They bartered their crops for handmade tools.
C1 noun /buːn/

boon

恩赐
Meaning
A thing that is helpful or beneficial.
Example
The internet is a boon to modern education.
互联网是现代教育的恩赐。
C1 noun /ˈbænɪstər/

banister

扶手栏杆
Meaning
a railing supported by posts at the side of a staircase or balcony
Example
She held the banister tightly while going down the stairs.
她在下楼时紧紧抓住扶手栏杆。
C1 adjective /ˈbæʃ.fəl/

Bashful

害羞的; 胆小的; 谦虚的; 容易尴尬
Meaning
shy; timid; modest; easily embarrassed
Example
The bashful child hid behind her mother when meeting strangers.
那个害羞的孩子在遇到陌生人时躲在她妈妈后面。
C1 adjective /ˈbreɪzən/

brazen

Meaning
Bold and without shame; shameless.
Example
She made a brazen attempt to lie in front of everyone.
C1 noun/verb /ˈbæntər/

banter

打趣
Meaning
playful and friendly exchange of teasing remarks
Example
The colleagues enjoyed some light banter during the meeting.
同事们在会议期间享受了一些轻松的班特。
C1 adjective /bræʃ/

brash

无礼
Meaning
self-assertive in a rude, noisy, or overconfident way
Example
His brash comments offended many people at the meeting.
他那无礼的评论在会议上冒犯了许多人。
C1 adjective /bəˈlɪdʒ.ər.ənt/

belligerent

好战或侵略性
Meaning
Hostile and aggressive, ready to fight or argue.
Example
His belligerent attitude often leads to conflicts.
他好战的态度常常导致冲突。
C1 noun /braɪn/

brine

盐水
Meaning
Water saturated with salt, often used for preserving food.
Example
The olives were stored in brine to keep them fresh.
橄榄被保存在盐水中以保持新鲜。
C1 verb /bɒmˈbɑːrd/

bombard

Meaning
to attack continuously with bombs, questions, or other forces
Example
Reporters bombarded the minister with difficult questions.
C1 adjective /ˈbaɪtɪŋ/

Biting

咬; 刺骨寒冷; 尖锐的批评
Meaning
extremely cold; sharply critical or harsh
Example
The biting cold made everyone shiver.
刺骨的寒冷让所有人都颤抖了。
C1 adjective, noun /ˈbʊrʒ.wɑː/

bourgeois

布尔乔亚
Meaning
Relating to the middle class, often with materialistic values or conventional attitudes.
Example
The novel criticizes the bourgeois lifestyle of the city dwellers.
这本小说批评了城市居民的布尔乔亚生活方式。
C1 noun /brɪˈɡeɪd/

brigade

消防队
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.
消防队迅速赶来扑灭火焰。
C1 noun /bɪˈriːvmənt/

bereavement

Meaning
The state of having lost a loved one through death.
Example
She received many letters of sympathy during her time of bereavement.
C1 noun /ˈbɪtər ɡɔːrd/

Bitter Gourd

苦瓜
Meaning
a green, bumpy vegetable with a very bitter taste, known for its medicinal properties
Example
Bitter gourd is excellent for controlling blood sugar levels.
苦瓜对于控制血糖水平非常有效。
C1 noun /bəˈnɛv.ə.ləns/

benevolence

仁慈或慈爱
Meaning
The quality of being well meaning and kindly; the disposition to do good.
Example
His benevolence towards the poor earned him respect.
他的仁慈使他赢得了贫穷者的尊重。
C1 noun /beɪl/

bale

捆
Meaning
A large bundle of goods tightly wrapped and bound.
Example
The workers loaded the bale of cotton onto the truck.
工人们将棉花捆装上了卡车。
C1 noun /baʊt/

Bout

比赛; 回合; 时期;
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.
经过一段病痛后，她终于恢复并重返工作。
C1 noun /brɒŋˈkaɪtɪs/

bronchitis

支气管炎
Meaning
inflammation of the lining of the bronchial tubes, which carry air to and from the lungs
Example
The doctor diagnosed him with acute bronchitis.
医生诊断他患有急性支气管炎。
C1 noun /ˈbjuːɡəl/

Bugle

军号
Meaning
a brass musical instrument similar to a trumpet but without valves, used especially for military calls
Example
The soldier played the bugle to signal the start of the ceremony.
士兵吹响军号以示仪式开始
C1 verb /ˈbrændɪʃ/

brandish

挥舞
Meaning
to wave or flourish something, especially a weapon, in a threatening or showy way
Example
He brandished a sword to scare off the intruders.
他挥舞着剑把入侵者吓走了。
C1 noun /brəˈzɪər/

Brassiere

胸罩
Meaning
a woman's undergarment designed to support the breasts
Example
She bought a comfortable brassiere for daily wear.
她买了一件舒适的胸罩，适合日常穿着。
C1 adjective /ˈbleɪmləs/

blameless

无辜
Meaning
innocent of wrongdoing; not deserving blame
Example
She remained calm and blameless throughout the investigation.
她在整个调查过程中保持冷静和无辜。
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。
C1 noun /bəˈrɒmɪtər/

barometer

气压计
Meaning
an instrument that measures atmospheric pressure
Example
The barometer indicated a storm was approaching.
气压计显示暴风雨即将来临。
C1 noun /blaɪt/

blight

枯萎病
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.
干旱是农民作物的枯萎病。
C1 adjective /bəˈzɜːrk/

berserk

疯狂
Meaning
Out of control with anger or excitement; wild or frenzied.
Example
The fans went berserk when their team won the championship.
当他们的队伍赢得了冠军时，粉丝们变得疯狂。
C1 noun /ˈbɑn.dɪdʒ/

Bondage

奴役; 囚禁
Meaning
the state of being a slave; the state of being under the control of a force or influence
Example
The people fought to escape from the bondage of oppression.
人们为了摆脱压迫的束缚而斗争。
C1 adjective /ˈbɑːmi/

balmy

温和而愉快的温暖；舒缓。
Meaning
Mild and pleasantly warm; soothing.
Example
We enjoyed a walk on a balmy summer evening.
我们在一个温和的夏日晚间散步。
C1 noun /ˈbaɪ.lɔː/

by-law

地方性法规
Meaning
A rule made by a company, organization, or local authority to control the actions of its members.
Example
The city council passed a new by-law regulating street vendors.
市议会通过了一项新的地方法规，规范街头小贩。
C1 adjective ˌbjʊə.rəˈkræt.ɪk

bureaucratic

官僚的
Meaning
Involving or characterized by complex rules and procedures that can delay the achievement of goals.
Example
Bureaucratic red tape often delays project approvals.
官僚主义的繁文缛节经常延误项目审批。
C1 verb /bloʊt/

bloat

膨胀
Meaning
to swell or cause to swell, often due to fluid or gas
Example
Eating too much junk food can bloat your stomach.
吃太多垃圾食品会让你的胃膨胀。
C1 noun /ˈblæs.fə.mi/

blasphemy

亵渎
Meaning
the act of speaking disrespectfully about God or sacred things
Example
In some countries, blasphemy is a punishable offense.
在某些国家，亵渎是可受处罚的罪行。
C1 noun /ˈbɜːrθraɪt/

birthright

出生权利
Meaning
A privilege or possession that a person has from birth.
Example
Freedom is considered a birthright of every individual.
自由被认为是每个人的出生权利。
C1 adjective /ˈboʊɡəs/

bogus

伪造的
Meaning
false, fake, or not genuine
Example
The police arrested him for using a bogus ID card.
警方因他使用伪造的身份证而逮捕了他。
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。
C1 noun /ˈbreɪkər/

breaker

断路器（打破某物的人或物体；在岸边破碎成泡沫的大海浪；中断电路的设备）
Meaning
A person or thing that breaks something; a large sea wave that breaks into foam near the shore; a device that interrupts an electric circuit.
Example
The breaker tripped during the storm, cutting off electricity.
暴风雨期间，断路器跳闸，切断了电力。
C1 adjective /ˈbɔɪənt/ or /ˈbuːjənt/

buoyant

漂浮的，愉快的
Meaning
Able to float easily; cheerful and optimistic.
Example
She remained buoyant despite the difficulties.
她在困难面前依然保持乐观。
C1 noun /bɜːrθ/

Berth

卧铺; 船、火车或其他交通工具上的睡觉地方
Meaning
a sleeping place in a ship, train, or other vehicle; a place where a ship can dock
Example
I booked an upper berth on the overnight train.
我在夜间列车上预订了一个上铺。
C1 verb /bɒtʃ/

botch

搞砸
Meaning
to carry out a task badly or carelessly
Example
He completely botched the repair job.
他完全搞砸了维修工作。
C1 adjective bəˈnev.əl.ənt

benevolent

仁慈的, 慷慨的, 友好的
Meaning
Kind, generous, showing goodwill and kindness.
Example
His benevolent nature made him beloved.
他的仁慈天性使他非常受欢迎。
C1 noun, verb /ˈbʌtrəs/

buttress

扶壁，支撑
Meaning
a structure built against a wall for support; to support or strengthen
Example
The cathedral walls were buttressed to prevent collapse.
大教堂的墙壁被支撑以防止倒塌。
C1 verb /bæsk/

bask

晒太阳
Meaning
to lie in warmth and light; to enjoy something pleasurable
Example
The cat basks in the sunny window.
猫在阳光明媚的窗台上晒太阳。
C1 noun /ˈbrɛvɪti/

brevity

Meaning
Concise and exact use of words in writing or speech.
Example
The brevity of the speech kept the audience engaged.
C1 verb /ˈblækən/

blacken

使变黑
Meaning
to make something black or darker; to stain, soil, or tarnish
Example
Smoke from the fire began to blacken the walls.
火灾的烟开始把墙壁熏黑了。
C1 verb /blɜːrt/

blurt

突然说出
Meaning
to say something suddenly without thinking
Example
He blurts out the secret accidentally.
他不小心说出了秘密。
C1 noun /ˈbɑːr.tər ˌsɪs.təm/

barter system

物物交换
Meaning
A system of exchange where goods and services are traded directly without using money.
Example
Ancient civilizations used the barter system for trade.
古代文明使用物物交换系统进行贸易。
C1 noun /ˈbaɪ.laɪn/

byline

作者姓名行
Meaning
A line in a newspaper or magazine article that names the writer.
Example
Her byline appeared on the front page of the newspaper.
她的名字出现在报纸的头版。
C1 noun /blɪs/

Bliss

极致的幸福；极大的喜悦
Meaning
perfect happiness; great joy
Example
She felt pure bliss while watching the beautiful sunset.
她在观看美丽的日落时感到纯粹的幸福。
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。
C1 preposition /ˈbɑːrɪŋ/

barring

除非，除了
Meaning
except for; if not for
Example
Barring a miracle, the team will not win the championship.
除非有奇迹发生，否则团队将无法赢得冠军。
C1 verb /blæntʃ/

blanch

变得苍白
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.
她看到血后吓得脸色苍白。
C1 noun /bʌm/

bum

臀部
Meaning
informal term for the buttocks; also a homeless or lazy person
Example
He sat on his bum all day doing nothing.
他整天坐在臀部上什么都不做。
C1 noun /baɪl/

Bile

胆汁
Meaning
a bitter greenish-brown alkaline fluid that aids digestion and is secreted by the liver and stored in the gallbladder
Example
The liver produces bile to help digest fats.
肝脏产生胆汁来帮助消化脂肪。
C1 verb /bruːd/

brood

Meaning
to think deeply about something that makes one unhappy; also, a group of young birds hatched at the same time
Example
He sat alone, brooding over his failures.
C1 verb /bɪˈwɪldər/

bewilder

使困惑
Meaning
to cause someone to be confused or puzzled
Example
The complex instructions bewildered the students.
复杂的指令使学生感到困惑。
C1 verb /blɛər/

blare

发出响亮的声音
Meaning
to make a loud, harsh sound
Example
The car horns blared all night.
汽车的喇叭整夜都在响。
C1 noun /ˈbɔɪənsi/ or /ˈbuːjənsi/

buoyancy

浮力, 快乐
Meaning
The ability to float in a liquid; cheerfulness and optimism.
Example
Her natural buoyancy lifted the mood of the group.
她自然的快乐提升了小组的氛围。
C1 adjective /bɪˈriːvd/

Bereaved

丧亲
Meaning
having lost a loved one through death
Example
The bereaved family received many condolences.
丧亲的家庭收到了很多慰问。
C1 adjective /ˈbɔɪstərəs/

boisterous

喧闹
Meaning
noisy, energetic, and cheerful; rowdy
Example
The children were boisterous during the birthday party.
孩子们在生日派对上很喧闹。