behemoth
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
C2 noun /bɪˈhiː.mɒθ/

behemoth

庞然大物
Meaning
Something enormous, especially a large and powerful organization.
Example
The company grew into a corporate behemoth.
公司发展成了一个企业庞然大物。
C2 adjective /baɪˈɛniəl/

biennial

两年一次的
Meaning
happening every two years
Example
The biennial festival attracts thousands of visitors.
这个两年一次的节日吸引了成千上万的游客。
C2 adjective /bruːsk/ or /brʌsk/

brusque

粗暴
Meaning
abrupt or blunt in manner or speech, often seen as rude
Example
His brusque reply ended the conversation.
他那粗暴的回答结束了谈话。
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。
B2 verb, noun, adjective /baʊnd/

bound

有界的 / 受限的
Meaning
To move with large strides or jumps; also refers to being tied, limited, or certain.
Example
The dog bounded across the field with joy.
狗带着快乐跳过了田野。
B1 adjective /blæŋk/

blank

空白
Meaning
showing no expression or containing nothing written, printed, or recorded.
Example
Her face went blank when she heard the bad news.
当她听到坏消息时，她的脸变得空白。
C2 noun /bjuːt/

butte

孤山
Meaning
an isolated hill with steep sides and a flat top, common in arid regions
Example
The travelers could see a tall butte rising in the desert.
旅行者们能看到沙漠中一座高耸的孤山。
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。
B1 verb /braʊz/

browse

浏览
Meaning
To look at or skim through casually, especially online or in a store
Example
She likes to browse books in the library.
她喜欢在图书馆浏览书籍。
A1 verb /biː/

be

是
Meaning
To exist, to occur, or to have a particular quality.
Example
She wants to be a doctor.
她想成为一名医生。
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。
C2 verb /bɪˈtroʊð/

betroth

订婚
Meaning
To formally promise to marry someone; to engage.
Example
He was betrothed to the princess at a young age.
他在年轻时就与公主订婚了。
A1 noun /ˈbaɪ.sɪ.kəl/

Bicycle

自行车
Meaning
A vehicle with two wheels that you pedal to make it move
Example
She rides her bicycle to work every day.
她每天骑自行车去上班。
B2 adjective /ˈbɒdɪli/

bodily

身体的
Meaning
relating to or concerning the body
Example
He suffered bodily harm in the accident.
他在事故中受到了身体伤害。
B2 noun /bʌlk/

Bulk

大宗; 大部分;
Meaning
the mass or size of something large; the greater part or majority of something
Example
The bulk of the work was completed before the deadline.
大部分工作在最后期限前完成。
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。
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。
A1 adjective /ˈbɪɡɪst/

biggest

最大的
Meaning
largest in size, amount, degree, or importance; superlative form of big
Example
This is the biggest challenge we have ever faced.
这是我们面临过的最大挑战。
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。
C2 verb /ˈbleɪzən/

blazon

展示
Meaning
to display prominently or vividly
Example
The slogan was blazoned across the banner in bold letters.
该标语用粗体字显示在横幅上。
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。
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。
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。
C2 adjective /ˈbɔːdi/

bawdy

猥亵
Meaning
humorously indecent or obscene, often in a sexual way
Example
The comedian’s bawdy jokes made the audience laugh and blush.
喜剧演员的猥亵笑话让观众笑了并且脸红。
C2 noun /ˈbiːtənd raɪs/

Beatened rice

拍打米
Meaning
flattened rice; rice that has been parboiled, dried, and beaten into flat flakes
Example
Beaten rice is commonly eaten with milk and sugar for breakfast.
拍打米常与牛奶和糖一起食用作为早餐。
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。
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。
C2 noun /ˈbʊljən/

bullion

金或银的原料
Meaning
Gold or silver in bulk before being coined or made into jewelry.
Example
The bank stores gold bullion in its vaults.
银行将金条储存在它的保险库中。
B2 noun ˈbʌtərflaɪ ˌpɒpjəˈleɪʃən

Butterfly Population

蝴蝶种群
Meaning
The total number of butterflies in a particular area or ecosystem.
Example
The butterfly population is declining due to habitat loss.
由于栖息地丧失，蝴蝶种群正在减少。
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。
B1 adjective /ˈblʌdi/

bloody

血腥
Meaning
covered in, involving, or containing blood; also used informally for emphasis in British English.
Example
The soldier returned from battle with a bloody arm.
士兵带着血腥的手臂从战斗中归来。
B1 noun /ˌbækˈjɑːrd/

backyard

幸福
Meaning
an area of land behind a house, typically used for recreation or gardening
Example
The children played football in the backyard.
当她收到奖项时，她无法掩饰自己的幸福。
A1 noun /bred/

Bread

面包
Meaning
a food made from flour, water, and yeast mixed together and baked
Example
She bought fresh bread from the bakery.
她从面包店买了新鲜的面包。
A1 adjective /braʊn/

Brown

棕色
Meaning
having the color of earth or wood; dark colored
Example
She has beautiful brown eyes that sparkle in the sunlight.
她有一双美丽的棕色眼睛，在阳光下闪烁。
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。
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。
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。
C2 adjective /beɪˈkoʊniən/

baconian

贝科尼安
Meaning
Relating to the philosopher Francis Bacon or his method of scientific reasoning.
Example
The researcher followed a Baconian approach to observation and experimentation.
研究人员遵循了一种贝科尼安的方法来进行观察和实验。
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 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 verb /ˈbəʊl.stər/

bolster

增强
Meaning
To support or strengthen; to prop up.
Example
The new policy aims to bolster economic growth.
新政策旨在促进经济增长。
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。
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。
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 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 /bʊr/

Boor

粗人; 粗鲁的人
Meaning
a rough and bad-mannered person; someone who lacks refinement or culture
Example
The wealthy businessman was actually a boor who showed no respect for others.
那位富有的商人实际上是一个粗人，根本没有对别人表示尊重。
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。
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。
C1 noun /ˈbed sted/

Bed stead

床架
Meaning
the framework of a bed; a bed frame without bedding
Example
The wooden bed stead was very sturdy.
木质床架非常坚固。
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。
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
B2 noun /ˈbrændɪŋ/

branding

创建和推广品牌或公司身份的过程
Meaning
The process of creating and promoting a brand or company identity.
Example
Effective branding is key to building customer loyalty.
有效的品牌营销是建立客户忠诚度的关键。
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 /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。
B2 noun /brɑː/

bra

文胸
Meaning
a woman's undergarment worn to support and cover the breasts
Example
She bought a comfortable bra for everyday wear.
她买了一件舒适的文胸用于日常穿着。
C2 noun /ˌbɪbliəʊˈmeɪniə/

bibliomania

书籍癖
Meaning
An extreme obsession with collecting or possessing books.
Example
His bibliomania led him to fill every room with books.
他的书籍癖使他把每个房间都塞满了书。
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。
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。
C2 noun /ˈbloʊˌhɑrd/

blowhard

自负的人
Meaning
a person who brags a lot or talks in a boastful way
Example
Everyone avoided the blowhard at the party because he wouldn't stop bragging.
在派对上，大家都避开了那个自负的人，因为他不停地吹嘘。
C2 adjective /ˈblɪŋkəd/

blinkered

目光狭窄
Meaning
Having a limited or narrow outlook; unable or unwilling to consider other perspectives.
Example
His blinkered attitude stopped him from seeing the bigger picture.
他那种目光狭窄的态度使他无法看到更大的画面。
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。
C1 adjective/verb /ˈbæntərɪŋ/

bantering

开玩笑
Meaning
characterized by good-humored teasing or joking
Example
They had a bantering conversation at the café.
他们在咖啡馆进行了幽默的对话。
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.
B2 noun /biːd/

Bead

珠子
Meaning
a small round object with a hole through it for threading
Example
She made a necklace with colorful beads.
她用彩色的珠子做了项链。
B2 noun /ˈbrɛkdaʊn/

breakdown

故障
Meaning
a failure or collapse of a system or machinery
Example
The car had a breakdown on the highway.
车子在高速公路上发生了故障。
B2 adjective /ˈbeə.rə.bəl/

Bearable

可忍受的; 容忍的; 不太不愉快或痛苦
Meaning
able to be endured; tolerable; not too unpleasant or painful
Example
The pain became bearable after taking the medicine.
服药后，疼痛变得可以忍受。
B1 noun, verb /bʌz/

buzz

嗡嗡声
Meaning
to make a low continuous humming sound; a feeling of excitement or interest
Example
I could hear the phone buzz during the meeting.
开会时我听到了手机的嗡嗡声。
A2 noun /bɜːrθ/

Birth

出生; 起源; 开端;
Meaning
the emergence of a baby or young from the body of its mother; the beginning or origin of something
Example
The birth of their first child was a joyful moment.
他们第一个孩子的出生是一个喜悦的时刻。
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。
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。
C2 adjective /ˈbɛlɪˌkoʊs/

bellicose

好战的
Meaning
Showing a tendency to argue or fight; aggressive.
Example
His bellicose attitude often got him into unnecessary conflicts.
他好战的态度常常让他卷入不必要的冲突。
A2 verb /ˈbɑroʊ/

borrow

借
Meaning
to take temporarily with intention to return; to take on loan
Example
Can I borrow your pen for a moment?
我可以借一下你的笔吗？
A2 noun /ˈbʌdi/

buddy

朋友
Meaning
a close friend or companion, used informally
Example
He went to the movies with his best buddy.
他和他最好的朋友一起去看电影。
C2 adjective /ˈbɪloʊɪŋ/

billowing

波动的
Meaning
Describing something that swells or surges outward in waves or large masses.
Example
She walked through the billowing curtains.
她穿过波动的窗帘走了。
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。
A2 noun /ˈbʌt.ər.flaɪ/

Butter-fly

蝴蝶
Meaning
a flying insect with large colorful wings
Example
The beautiful butterfly landed on the flower.
美丽的蝴蝶停在花朵上。
C2 noun /ˈbɪɡ.ə.mi/

bigamy

重婚
Meaning
The act of marrying one person while still legally married to another.
Example
He was charged with bigamy after his second marriage was discovered.
在他第二次婚姻被发现后，他因重婚被指控。
C2 verb /bɪˈnʌm/

benumb

使麻木
Meaning
to make physically numb or without sensation; to make mentally dull or insensitive
Example
The freezing wind seemed to benumb his fingers within minutes.
刺骨的寒风几分钟内就使他的手指麻木了。
A2 noun ˈbræntʃɪz

Branches

树枝
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.
家族树的枝条展示了家人之间的关系。
B2 noun /buːθ/

booth

电话亭
Meaning
a small enclosed space or area used for a specific purpose, such as voting or selling.
Example
He went into the voting booth to cast his ballot.
他进入了投票亭，准备投票。
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。
B2 noun /ˈbɪʃəp/

bishop

主教
Meaning
a senior member of the Christian clergy, usually in charge of a diocese and empowered to confer holy orders.
Example
The bishop delivered a powerful sermon during Sunday service.
主教在星期天的礼拜中做了一个有力的布道。
C2 verb /bɪˈstraɪd/

bestride

跨越
Meaning
To sit or stand astride something; to dominate over.
Example
The statue bestrides the city square.
这座雕像横跨城市广场。
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。
C2 adjective /ˈbɒni/

Bonny

美丽的; 漂亮的; 快乐的
Meaning
cheerful; pretty; attractive
Example
The bonny child played happily in the garden.
这个漂亮的孩子在花园里快乐地玩耍。
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。
A2 adjective /ˈbeɪ.sɪk/

Basic

基本的; 基础的;
Meaning
fundamental; essential; forming the foundation or starting point
Example
Learning basic English grammar is essential for beginners.
学习基本英语语法对初学者来说是必不可少的。
B2 noun bækˈtɪə.ri.ə

bacteria

细菌
Meaning
A member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus.
Example
Specialized bacteria aid in waste decomposition.
专门的细菌有助于废物分解。
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 /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 /bɑːn/

barn

谷仓
Meaning
a large building used for storing grain or housing farm animals
Example
The farmer keeps his cows in the barn.
农民把他的牛放在谷仓里。
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。
B1 verb /ˈberi/

bury

埋葬
Meaning
to put in the ground; to hide; to cover completely
Example
The dog buries its bone in the yard.
狗把它的骨头埋在院子里。
A2 noun /biː/

Bee

蜜蜂
Meaning
a flying insect that produces honey and can sting
Example
The bee collected nectar from the flower.
蜜蜂从花朵中采集了花蜜。
A2 noun /bɑːθ/

Bath

浴缸; 洗澡
Meaning
the act of washing one's body; a container for bathing
Example
I take a hot bath every evening.
我每天晚上洗热水澡。
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。
B1 noun /broʊˈʃʊr/

brochure

小册子
Meaning
a small booklet or pamphlet containing information or advertising
Example
The travel agent gave us a brochure about the holiday package.
旅行社的工作人员给了我们一本关于假期套餐的小册子。
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。
A2 adjective /blaɪnd/

blind

Meaning
Unable to see because of injury, disease, or a congenital condition.
Example
He has been blind since birth.
B1 noun /ˈbraɪd.ɡrʊm/

Bridegroom

新郎
Meaning
a man on his wedding day or just before and after the event
Example
The nervous bridegroom waited at the altar for his bride to arrive.
紧张的新郎站在祭坛前等着他的新娘到来。
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。
B1 noun /blæk ˈpep.ər/

Black Pepper

黑胡椒
Meaning
a hot-tasting spice made from dried peppercorns, widely used for seasoning food
Example
Season the steak with salt and freshly ground black pepper.
用盐和新磨碎的黑胡椒调味牛排。
C2 noun /ˈbɛnɪsən/

benison

祝福
Meaning
A blessing or benefit.
Example
The rain was a benison for the drought-stricken farmers.
这场雨对受旱灾影响的农民来说是一种祝福。
C2 noun /ˈbɑːr.nɪ.kəl/

Barnacle

藤壶
Meaning
a marine crustacean that attaches itself permanently to underwater surfaces
Example
The old ship's hull was covered with barnacles.
那艘旧船的船体上布满了藤壶。
C2 noun /ˈbɛlˌwɛðər/

bellwether

趋势引领者
Meaning
A person or thing that leads or indicates a trend.
Example
The company is seen as a bellwether of the technology industry.
该公司被视为科技行业的趋势引领者。
C2 adjective /bjuːˈkɒlɪk/

bucolic

田园
Meaning
Relating to the pleasant aspects of the countryside and country life.
Example
They enjoyed a bucolic picnic by the river.
他们在河边享受了一次田园式的野餐。
A2 noun /brɪdʒ/

Bridge

桥
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.
这座古老的石桥已经连接这两个城市超过一个世纪。
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 verb /bʌt/

but

撞头
Meaning
to hit or push with the head or horns; to strike forcefully
Example
The goat butted against the fence.
山羊撞到了篱笆。
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。
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。
A1 adjective /bɔːrd/

bored

无聊的
Meaning
feeling weary or uninterested because of lack of activity or excitement
Example
She felt bored during the long meeting.
她在漫长的会议中感到很无聊。
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。
C2 adjective /ˈblaɪðsəm/

blithesome

愉快
Meaning
cheerful, carefree, and full of joy
Example
She entered the room with a blithesome smile that lifted everyone's spirits.
她带着愉快的笑容走进房间，大家的心情都变好了。
B1 phrasal verb /bloʊ aʊt/

blow out

吹灭
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.
她吹灭了生日蛋糕上的蜡烛。
C2 noun /brɪˈtæniə/

britannia

不列颠
Meaning
the personification of Britain, often shown as a woman with a helmet and shield
Example
Britannia has been a symbol of Britain since Roman times.
不列颠自罗马时代起就是英国的象征。
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。
C2 noun /bleɪn/

Blain

水泡
Meaning
an inflammatory swelling or sore on the skin; a blister or pustule
Example
The doctor examined the blain on his arm.
医生检查了他手臂上的水泡。
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 /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 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。