behave
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A2 verb /bɪˈheɪv/

behave

表现
Meaning
to act in a particular way; to conduct oneself
Example
Children should behave well in school.
孩子们应该在学校里表现得很好。
A2 noun /boʊn/

Bone

骨头
Meaning
any of the hard parts inside a human or animal that make up its frame
Example
The doctor said the bone was completely healed after the fracture.
医生说，骨头在骨折后完全恢复了。
B2 adjective /bəˈtænɪkəl/

botanical

植物学的
Meaning
relating to plants or plant life
Example
She works at the botanical garden.
她在植物园工作。
B2 noun /braɪb/

Bribe

贿赂
Meaning
a sum of money or something valuable given to someone to persuade them to do something dishonest or illegal
Example
The corrupt official was caught accepting a bribe from the construction company.
那个腐败的官员在接受建筑公司贿赂时被逮捕。
A1 noun /bʌs/

Bus

公共汽车
Meaning
a large motor vehicle carrying passengers by road
Example
I take the bus to work every morning.
我每天早上乘公共汽车上班。
C1 adjective /ˈbrɪtl/

brittle

脆弱
Meaning
easily broken or cracked; hard but liable to break
Example
The glass was so brittle that it cracked easily.
玻璃太脆弱，容易破裂。
B2 noun, verb /blæst/

blast

爆炸, 强烈撞击
Meaning
a strong gust of wind, an explosion, or a loud sound; to destroy or shatter by explosion
Example
The explosion sent a powerful blast through the building.
爆炸通过大楼发送了一股强劲的爆风。
C1 adjective ˈbɜːdʒənɪŋ

burgeoning

蓬勃发展
Meaning
Beginning to grow or increase rapidly; flourishing.
Example
The burgeoning tech industry has attracted many investors.
这个蓬勃发展的技术行业吸引了许多投资者。
B2 noun ˈbaɪ.əs

bias

偏见, 偏袒
Meaning
Prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair.
Example
The judge must remain free from bias.
法官必须保持公正。
C2 adjective /ˈbræsi/

brassy

张扬的
Meaning
loud and showy in a way that lacks good taste; resembling brass in color or sound
Example
She wore a brassy necklace that caught everyone’s attention.
她戴着一条张扬的项链，吸引了所有人的注意。
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。
B2 noun/verb /bruːz/

bruise

Meaning
As a noun: an injury appearing as a purple or blue mark on the skin; As a verb: to injure without breaking the skin
Example
He got a bruise on his arm after falling.
B1 noun /ˈbaɪbəl/

bible

圣经
Meaning
the Christian scriptures consisting of the Old and New Testaments; also used for any authoritative book
Example
She reads the Bible every morning.
她每天早晨读圣经。
A2 verb /bɛr/

bear

承受
Meaning
to carry; to endure; to give birth to; to support
Example
She cannot bear the pain anymore.
她再也承受不了这种痛苦了。
C2 noun /ˈbed.ləm/

Bedlam

混乱；嘈杂的混乱
Meaning
a scene of noisy confusion; chaos and disorder
Example
The classroom was complete bedlam after the fire alarm.
火灾警报后，教室变得完全混乱。
C2 verb /bɪˈsmɜːrtʃ/

besmirch

玷污
Meaning
to damage someone's reputation; to make dirty or stained
Example
He tried to besmirch her good name with false rumors.
他试图通过虚假的谣言玷污她的好名声。
B1 verb /beɪð/

bathe

洗澡
Meaning
to wash oneself; to clean the body with water
Example
I bathe every morning before going to work.
我每天早上上班前洗澡。
B2 noun /baɪˈɒɡrəfi/

Biography

传记
Meaning
an account of someone's life written by someone else; the story of a person's life
Example
I'm reading a fascinating biography of Albert Einstein.
我正在阅读一部关于阿尔伯特·爱因斯坦的迷人传记。
C2 noun /bəˈθɪm.ə.tri/

bathymetry

海洋测深学
Meaning
The measurement of depth of water in oceans, seas, or lakes.
Example
Bathymetry is essential for understanding oceanic topography.
海洋测深学对于理解海洋地形至关重要。
A2 noun ˈbæl.əns

balance

平衡
Meaning
A condition in which different elements are equal or in the correct proportions.
Example
Balance among powers prevents conflicts.
权力之间的平衡可以避免冲突。
A1 noun /ˈbrek.fəst/

Breakfast

早餐
Meaning
the first meal of the day, usually eaten in the morning
Example
I had cereal and toast for breakfast this morning.
今天早上我吃了麦片和烤面包作为早餐。
B1 noun /beɪkt miːt/

Baked meat

烤肉
Meaning
meat that has been cooked in an oven using dry heat
Example
The baked meat was tender and flavorful.
烤肉嫩滑且味道鲜美。
B1 noun ˈbæriə(r)

barrier

障碍
Meaning
A fence or other obstacle that prevents movement or access.
Example
The barrier prevented entry.
障碍阻止了进入。
C2 noun /ˈbroʊmiːn/

bromine

溴
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.
溴通常用于水处理化学品中。
B2 noun /ˈbækɪŋ/

Backing

支持
Meaning
help or support; financial or material support
Example
The project received backing from several major investors.
该项目获得了多个主要投资者的支持。
C2 noun /ˈbɪɡ.ə.mɪst/

bigamist

重婚罪犯
Meaning
A person who commits the crime of marrying someone while already married to another.
Example
The man was arrested for being a bigamist.
这个人因大婚而被逮捕。
A1 adjective /ˈbɪzi/

busy

忙碌
Meaning
actively engaged in work or activity; occupied
Example
He is too busy to answer the phone.
他太忙了，无法接电话。
B2 noun, verb /bʌt/

butt

Meaning
to hit or push with the head or horns; the end part of something, especially a cigarette
Example
The goat butted the fence with its horns.
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。
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。
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。
C2 noun /ˌbæstərdaɪˈzeɪʃən/

bastardization

扭曲 / 退化
Meaning
the act of corrupting, degrading, or misrepresenting something
Example
Critics called the remake a bastardization of the original film.
评论家称重拍版是原电影的扭曲。
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。
B2 adjective /ˈbraʊn.ɪʃ/

Brownish

棕色的
Meaning
having a color somewhat like brown; tending toward brown
Example
The old paper had a brownish tint from age.
那张旧纸因岁月的缘故带有棕色的色调。
A1 adjective /bɛst/

best

最好
Meaning
Of the highest quality, excellence, or standing.
Example
She is the best student in the class.
她是班里最好的学生。
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。
A2 verb /bleɪm/

blame

责怪
Meaning
to hold responsible for a fault; to find fault with
Example
Don't blame me for the mistake.
别把错误怪在我身上。
C2 noun /ˈbrɪɡ.ənd/

brigand

强盗
Meaning
A member of a gang that ambushes and robs people in forests or mountains; a bandit.
Example
The travelers were attacked by brigands in the mountains.
旅行者在山中被强盗袭击。
C2 verb /bɪˈlaɪ/

belie

掩饰
Meaning
To give a false impression of something; to contradict.
Example
His calm face belied his inner anxiety.
他平静的面容掩饰了他内心的焦虑。
B2 adverb /ˈbɪt.ə.li/

Bitterly

愤怒地; 严重地
Meaning
in an angry, hurt, or resentful way; extremely; severely
Example
She complained bitterly about the unfair treatment.
她对不公平的待遇愤怒地抱怨。
B2 adjective /ˈbruː.təl/

brutal

残忍
Meaning
extremely cruel or harsh; violent and without feeling
Example
The dictator’s rule was marked by brutal violence.
独裁者的统治充满了残忍的暴力。
B2 noun ˈbaɪ.əʊˌfjuː.əl

biofuel

生物燃料
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.
生物燃料减少了对传统能源来源的依赖。
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。
B2 noun bjʊəˈrɒk.rə.si

bureaucracy

官僚主义
Meaning
A system of government in which most of the important decisions are made by state officials rather than by elected representatives.
Example
Excessive bureaucracy can slow down decision-making.
过度的官僚主义会减缓决策过程。
C2 noun /buːb/

boob

傻瓜；胸部（口语）
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.
忘记会议后，他觉得自己像个十足的傻瓜。
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 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。
C1 noun /blɒˈkeɪd/

Blockade

封锁
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.
海军封锁阻止了物资到达港口。
C2 verb /biˈætɪfaɪ/

beatify

宣圣
Meaning
to make blessed or holy, especially in the Roman Catholic Church, to declare a deceased person to be among the blessed
Example
The pope decided to beatify the martyr for his faith and sacrifice.
教皇决定因其信仰和牺牲而宣圣这位殉道者。
A1 verb /brɪŋ/

bring

带来
Meaning
to carry or take something to a place; to come with something
Example
Please bring your books to class tomorrow.
请明天把你的书带到课堂。
B2 noun /buˈkeɪ/

Bouquet

花束
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.
新娘携带着美丽的白玫瑰花束走过过道。
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 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。
B2 noun /braʊ/

brow

额头
Meaning
the part of the face above the eyes; forehead
Example
She wiped the sweat from her brow.
她擦去了额头上的汗水。
C2 noun /bɪsk/

bisque

海鲜浓汤
Meaning
A rich, creamy soup made from shellfish.
Example
We ordered lobster bisque at the restaurant.
我们在餐厅点了龙虾浓汤。
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。
A1 adjective /ˈbjuː.tɪ.fəl/

Beautiful

美丽的; 吸引人的; 迷人的;
Meaning
pleasing to the senses; attractive; having qualities that give great pleasure
Example
She has a beautiful voice that captivates everyone.
她有一副美丽的嗓音，吸引着每个人。
A2 noun/verb /ˈbʌdʒɪt/

budget

预算
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.
家庭制定了预算来管理开支。
C2 verb /ˈbɜːrdʒən/

burgeon

快速增长
Meaning
To grow or develop rapidly; to flourish.
Example
The city's population began to burgeon after the new factory opened.
这座城市的人口在新工厂开业后开始迅速增长。
C2 noun /bəˈfuːnəri/

buffoonery

小丑行为
Meaning
Foolish or ridiculous behavior intended to amuse.
Example
His constant buffoonery irritated the serious audience.
他不断的小丑行为激怒了严肃的观众。
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。
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。
C2 noun /ˈbiː.təl nʌt/

Betel-nut

槟榔
Meaning
seed of the areca palm tree, often chewed as a stimulant
Example
Betel-nut is commonly chewed in many South Asian countries.
槟榔在许多南亚国家是常见的咀嚼物。
C2 noun /ˌbædɪˈnɑːʒ/

badinage

玩笑，幽默对话
Meaning
Playful and humorous conversation; banter.
Example
The friends enjoyed a light badinage over coffee.
朋友们在咖啡旁享受轻松的玩笑。
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。
B2 adjective /blænd/

bland

乏味
Meaning
lacking strong features, flavor, or character; dull or uninteresting
Example
The soup was too bland for my taste.
这汤对我的口味太乏味了。
A1 noun /ˈbeɪbi/

baby

婴儿
Meaning
a very young child, especially one newly or recently born
Example
The baby is sleeping peacefully in the crib.
婴儿正在婴儿床上安静地睡觉。
B2 noun /ˈbiː.təl/

Beetle

甲虫
Meaning
a hard-bodied insect with wing covers
Example
The black beetle scurried across the garden path.
黑色的甲虫快速地穿过了花园小路。
B2 verb /blʌf/

bluff

Meaning
to deceive someone by pretending to have strength, knowledge, or resources that one does not actually possess
Example
He tried to bluff his way into the exclusive club.
B1 adverb /ˈbriːf.li/

Briefly

简要地
Meaning
in a short and clear way; for a short time
Example
Please explain the problem briefly.
请简要解释问题。
A2 noun /ˈbɑt.əm/

Bottom

底部；底层
Meaning
the lowest point or part of something; the ground under a body of water
Example
The treasure chest was lying at the bottom of the ocean.
宝箱躺在海洋的底部。
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。
A2 noun /ˈbʌk.ɪt/

Bucket

桶
Meaning
a roughly cylindrical open container with a handle, used to hold and carry liquids
Example
The farmer filled the bucket with fresh water from the well.
农民用井里的清水填满了桶。
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。
A2 noun /bɪɡ boʊl/

Big bowl

大碗
Meaning
a large, round, shallow container used for serving food, mixing ingredients, or washing
Example
She mixed the ingredients in a big bowl.
她在一个大碗里混合了食材。
B2 noun /ˈbɒtəni/

botany

植物学
Meaning
the scientific study of plants
Example
She is studying botany at the university.
她在大学里学习植物学。
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。
C2 noun /boʊ/

beau

男友
Meaning
a male admirer or boyfriend; a fashionable young man
Example
She arrived at the party with her beau.
她和她的男友一起到达了派对。
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。
A2 adverb /ˈbjuːtɪfəli/

beautifully

优美地
Meaning
in a beautiful or pleasing manner; excellently or skillfully
Example
She sang beautifully at the concert.
她在音乐会上唱得很优美。
B2 noun ˈbænd.wɪdθ

bandwidth

带宽
Meaning
A range of frequencies within a given band, in particular that used for transmitting a signal; the maximum amount of data that can be transmitted in a fixed amount of time.
Example
Increasing bandwidth enhances internet speed.
增加带宽可以提升互联网速度。
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 /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。
C2 noun /baɪt/

bight

海湾
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.
水手们在海湾的平静水域中抛锚。
C1 adjective /ˈbloʊtɪd/

bloated

膨胀的
Meaning
swollen or puffed up, often unpleasantly
Example
After the big meal, he felt bloated and uncomfortable.
吃完大餐后，他感到肚子膨胀不适。
C1 adjective /ˌboʊnəˈfaɪdi/

Bonafide

真正的; 真实的; 合法的
Meaning
genuine; authentic; legitimate
Example
She is a bonafide expert in her field.
她是她领域中的真正专家。
A2 noun /ˈbɪznəsˌwʊmən/

businesswoman

女商人
Meaning
a woman who works in business, especially one who owns or manages a company
Example
The businesswoman expanded her company into international markets.
这位女商人将她的公司扩展到国际市场。
C2 noun /ˈbɜːrɡər/

burgher

城市居民 (富裕的中产阶级)
Meaning
A citizen of a town, typically a member of the wealthy middle class.
Example
The burgher was respected as a prosperous merchant in the city.
这个布尔戈被尊敬为城市中的繁荣商人。
A2 verb /bɛɡ/

beg

乞求
Meaning
to ask for something earnestly; to request humbly
Example
The child begged for a new toy.
孩子请求了一个新玩具。
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。
B1 verb/noun /bɔːr/

bore

使……感到无聊
Meaning
Verb: To make someone feel uninterested or tired; Noun: A dull or tiresome person.
Example
The lecture began to bore the students.
讲座开始让学生感到无聊。
C1 verb /bʌdʒ/

budge

Meaning
To move slightly; to change one’s opinion or position.
Example
Despite the pressure, he refused to budge from his decision.
B2 noun /ˈbʌf.ə.loʊ/

Buffalo

水牛
Meaning
a large wild ox with heavy horns; American bison
Example
The buffalo grazed peacefully in the meadow.
水牛在草地上安静地吃草。
C2 noun /bɛl/

belle

美丽的女人
Meaning
A beautiful woman, especially the most attractive woman at a gathering.
Example
She was the belle of the ball that evening.
她是那个晚上舞会的美丽女士。
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。
A2 noun; gerund /ˈbɒksɪŋ/

boxing

拳击
Meaning
the sport of fighting with fists using padded gloves; the act of putting something into a box
Example
He has been training hard for a professional boxing match.
他正在为一场职业拳击比赛刻苦训练。
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。
B2 noun /ˈbærəl/

barrel

大桶
Meaning
a large cylindrical container used to hold liquids
Example
The wine was stored in a wooden barrel.
酒被储存在一个木制的大桶中。
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。
C2 noun /ˈbɔːlsəm/

Balsam

香脂花
Meaning
a flowering plant with colorful blooms that often open in the evening; also refers to aromatic resin
Example
The garden balsam flowers bloomed beautifully in various shades of pink and purple.
花园中的香脂花以粉红色和紫色的不同色调美丽地盛开。
B2 noun /ˈbæŋkrʌptsi/

bankruptcy

破产
Meaning
the state of being unable to pay debts owed, declared by a legal process
Example
The company declared bankruptcy after months of financial struggles.
公司在经历了几个月的财务困难后宣布破产。
B2 noun ˈbɪz.nɪs ˈfaɪ.næns

business finance

商业财务
Meaning
The area of finance that deals with sources of funding and the capital structure of corporations.
Example
Effective business finance enhances profitability.
有效的商业财务提高了盈利能力。
B2 verb /blɜːr/

blur

模糊
Meaning
to make something unclear or difficult to see
Example
Tears blurred her vision.
眼泪模糊了她的视线。
B2 noun /ˈbrɔːdˌkæstər/

broadcaster

广播员
Meaning
a person or organization that transmits a broadcast program.
Example
The broadcaster aired the match live to millions of viewers.
广播员将比赛实时转播给数百万观众。
C2 verb /bɪˈfɪt/

befit

适合
Meaning
to be suitable for; to be appropriate to
Example
Formal attire befits the seriousness of the occasion.
正式的服装适合这个场合的严肃性。
C2 verb /ˈbætn/

batten

固定
Meaning
To fasten or secure something tightly.
Example
They battened down the hatches before the storm.
他们在风暴之前把舱口牢牢固定。
C2 noun /ˈbuːt.leɪs/

Boot-lace

靴带
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.
我需要在散步前系好我的靴带。
A1 noun, verb /bʊk/

book

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.
A1 noun /boʊt/

Boat

小船
Meaning
a small vessel for traveling over water
Example
We took a small boat to cross the river.
我们乘坐小船渡过了河流。
C2 noun /ˌbækəˈneɪliə/

bacchanalia

纵酒狂欢
Meaning
A Roman festival of Bacchus celebrated with dancing, drinking, and revelry; any occasion of wild and drunken revelry.
Example
The novel describes the party as a bacchanalia of excess and joy.
小说将这个派对描述为一个过度和欢乐的巴卡纳利亚。
B2 verb /briːd/

breed

繁殖, 养育
Meaning
to produce young animals; to reproduce; to keep animals for producing young
Example
They breed horses on their farm.
他们在他们的农场上繁殖马。
A1 noun /bɜːrd/

bird

鸟
Meaning
a warm-blooded animal with feathers and wings that usually lays eggs and can often fly
Example
A bird was singing on the tree branch.
一只鸟在树枝上唱歌。
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。
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。
B2 noun /bɪˈtreɪəl/

Betrayal

背叛; 不忠
Meaning
the action of betraying one's country, group, or person; disloyalty
Example
His betrayal of their friendship hurt her deeply.
他对他们友谊的背叛深深伤害了她。
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。
B2 verb /bræɡ/

brag

吹嘘
Meaning
to talk proudly about oneself or one's achievements in an annoying way
Example
He always brags about his expensive car.
他总是夸耀自己昂贵的车。
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。
C2 noun /ˈbɪvuˌæk/

bivouac

临时营地
Meaning
a temporary camp without tents or cover, usually used by soldiers or mountaineers
Example
The climbers set up a bivouac on the mountainside.
登山者在山坡上搭建了一个临时营地。
C2 adjective /ˈbeɪnfəl/

baneful

有害的
Meaning
Causing harm, ruin, or destruction; deadly or poisonous.
Example
His baneful influence ruined the community.
他的有害影响摧毁了社区。
C2 verb /bɪˈleɪ/

belay

固定绳索
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.
攀岩者要求他的搭档紧紧地固定绳索。