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C2 verb /ˈbɜːrnɪʃ/

burnish

Meaning
To polish something by rubbing; to enhance or improve.
Example
He burnished the old table until it shone.
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 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。
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。
C2 verb /baɪd/

bide

等待
Meaning
to wait patiently for the right time or opportunity
Example
He decided to bide his time before making a move.
他决定在行动之前等待合适的时机。
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。
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 verb /ˈbɒɡəl/

boggle

使迷惑
Meaning
to overwhelm or confuse; to be astonished or puzzled by something
Example
The complexity of the puzzle boggled his mind.
这个谜题的复杂性让他的头脑感到困惑。
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 adjective /ˈblaɪtɪd/

blighted

荒废的
Meaning
Spoiled, damaged, or destroyed.
Example
The blighted neighborhood was abandoned by most residents.
荒废的社区被大多数居民遗弃。
B2 noun ˈbɛriəl saɪt

burial site

埋葬地点
Meaning
A place where a dead body is buried.
Example
The burial site of the martyrs was near the riverbank.
烈士的埋葬地点靠近河岸。
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。
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。
B2 noun /ˈbænər/

banner

Meaning
a large printed sign used for advertisements or announcements
Example
The company displayed a banner to advertise their new product.
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。
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。
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。
C2 adjective /ˈbæti/

batty

疯狂
Meaning
crazy or eccentric in behavior
Example
The old man down the street is a bit batty but harmless.
街上的老人有点疯狂，但无害。
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 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。
C2 adjective /ˈbɪz.ən.taɪn/ or /ˈbaɪ.zənˌtiːn/

byzantine

复杂
Meaning
Extremely complicated and detailed; relating to the Byzantine Empire or its style.
Example
The new tax regulations are so byzantine that few understand them.
新的税收规定非常复杂，很少有人能理解。
A2 noun /ˈbjuː.ti/

Beauty

美丽
Meaning
the quality of being pleasing to look at; attractiveness
Example
The beauty of the sunset took my breath away.
夕阳的美丽让我屏住了呼吸。
C2 noun /ˈblændɪʃmənt/

blandishment

恭维
Meaning
flattering or pleasing statement or action used to persuade someone gently
Example
She used every blandishment to win his support.
她用了所有的恭维来赢得他的支持。
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。
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 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。
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.
B1 noun /bɪˈheɪvjər/

behavior

行为
Meaning
The way in which one acts or conducts oneself, especially toward others.
Example
The teacher praised her good behavior in class.
老师表扬了她在课堂上的良好行为。
B2 adjective /bɪˈzɑːr/

bizarre

离奇
Meaning
very strange or unusual, especially so as to cause interest or amusement
Example
He told a bizarre story that no one could believe.
他讲了一个离奇的故事，没有人能相信。
C1 noun /ˈbɛd.rɒk/

bedrock

基础
Meaning
the solid rock layer beneath the soil; the fundamental basis of something
Example
Trust is the bedrock of a healthy relationship.
信任是健康关系的基础。
B1 adverb /ˈbeɪsɪkli/

basically

基本上
Meaning
in the most important or fundamental way; essentially
Example
Basically, the project was a success despite some small issues.
基本上，尽管有一些小问题，项目仍然是成功的。
B2 noun/verb /bʌst/

bust

Meaning
As a noun: A sculpture of a person's head, shoulders, and chest; As a verb: To break, smash, or arrest.
Example
The police busted the gang last night.
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。
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 /briz/

Breeze

微风
Meaning
a gentle wind; something that is achieved with ease
Example
The cool ocean breeze made the hot summer day more pleasant.
清凉的海风让炎热的夏日更加宜人。
C2 adjective /ˈbɔːlki/

balky

固执
Meaning
difficult, uncooperative, or stubborn
Example
The balky printer refused to work when needed most.
固执的打印机在最需要的时候拒绝工作。
B2 noun/verb /briːtʃ/

breach

违反
Meaning
A violation or breaking of a law, agreement, or code of conduct; an act of breaking or failing to observe a law, agreement, or code of conduct.
Example
The company faced a breach of data security.
该公司面临数据安全的违反。
C2 verb /ˈbeɪɪŋ/

baying

狂吠
Meaning
making a loud, prolonged barking or howling sound, especially of dogs
Example
The baying of the hounds echoed through the forest.
猎犬的叫声在森林中回响。
B2 adverb /bɪˈfɔːr.hænd/

Beforehand

事先; 提前; 以前
Meaning
in advance; ahead of time; earlier
Example
We prepared everything beforehand.
我们事先准备好了所有的东西。
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。
A2 noun /biːn/

Bean

豆
Meaning
an edible seed, typically kidney-shaped, growing in long pods on certain leguminous plants
Example
We planted green beans in our vegetable garden this spring.
我们在春天把绿豆种植在我们的蔬菜园里。
B2 verb /ˈbɔɪkɑt/

boycott

抵制
Meaning
to refuse to buy, use, or participate in something as a protest
Example
They decided to boycott the company's products.
他们决定抵制公司的产品。
C2 verb /bɪˈweɪl/

bewail

哀叹
Meaning
to express deep sorrow or regret over something; to mourn openly
Example
She bewailed the loss of her childhood home.
她哀叹失去了童年的家。
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。
C2 verb /ˈbaɪfərˌkeɪt/

bifurcate

分成两部分
Meaning
to divide into two branches or parts
Example
The road bifurcates into two separate paths at the hill.
这条路在山丘处分岔成两条分开的路。
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 /ˈbaʊdləˌraɪz/

bowdlerize

去除冒犯性部分
Meaning
to remove or modify parts of a text considered offensive or inappropriate
Example
The editor bowdlerized the novel to make it suitable for children.
编辑将小说修改，以使其适合儿童。
B2 verb /buːst/

boost

提升
Meaning
To increase, improve, or raise something.
Example
The company launched a campaign to boost sales.
公司启动了一项活动以提升销售。
C2 verb /ˈbækˌslaɪd/

backslide

倒退
Meaning
To relapse into bad habits, undesirable practices, or moral decline.
Example
After months of progress, he began to backslide into old habits.
经过几个月的进展，他开始回到旧习惯中。
B1 noun /bɔɪl/

Boil

脓疱; 疖
Meaning
a painful, pus-filled bump under the skin caused by infected hair follicles
Example
The painful boil on his neck required medical treatment.
他脖子上的疼痛脓疱需要医疗处理。
B2 verb /bɪˈfrɛnd/

befriend

交朋友
Meaning
to act as a friend to someone; to make friends with
Example
She befriended the new student at school.
她在学校与新学生成为了朋友。
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。
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 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。
C2 noun /ˈbʌt.ə.flaɪ piː/

Butterfly Pea

蝴蝶豆
Meaning
a blue flowering plant with butterfly-shaped flowers, used to make herbal tea
Example
Butterfly pea flowers turn tea into a beautiful blue color.
蝴蝶豆花将茶水染成美丽的蓝色。
B1 noun /ˈbriːðɪŋ/

breathing

幸福
Meaning
the process of taking air into and expelling it from the lungs.
Example
Deep breathing can help you relax.
当她收到奖项时，她无法隐藏自己的幸福。
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。
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 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。
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。
B1 noun /ˈbed ʃiːt/

Bed sheet

床单
Meaning
a large rectangular piece of cloth used as bedding to lie on or under
Example
The clean white bed sheet felt soft against her skin.
干净的白色床单在她的皮肤上感觉柔软。
A1 noun /ˈbʌt.ər/

Butter

黄油
Meaning
a pale yellow edible fatty substance made by churning cream
Example
He spread butter on his toast for breakfast.
他在早餐时把黄油涂在了他的烤面包上。
C2 noun /ˈbɑːrbərɪzəm/

Barbarism

野蛮
Meaning
extreme cruelty or brutality; absence of culture and civilization
Example
The barbarism of the war crimes shocked the entire international community.
战争罪行的野蛮行为震惊了整个国际社会。
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 verb /bɒmˈbɑːrd/

bombard

Meaning
to attack continuously with bombs, questions, or other forces
Example
Reporters bombarded the minister with difficult questions.
B1 adjective /bɔɪld/

Boiled

煮熟的
Meaning
cooked in boiling water
Example
She served boiled eggs for breakfast.
她早餐时提供了煮鸡蛋。
B2 noun /ˈbɒmɪŋ/

bombing

轰炸
Meaning
an attack using bombs or explosives
Example
The city was devastated by the bombing.
这座城市在轰炸中被摧毁。
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。
A2 noun/verb /bəˈluːn/

balloon

气球
Meaning
A small bag made of thin rubber or similar material that can be inflated with air or gas; as a verb, to expand rapidly.
Example
The children played with a red balloon at the party.
孩子们在聚会上玩了一个红色的气球。
C2 noun /ˈbʌt.ər fɪʃ/

Butter-fish

黄油鱼
Meaning
a small, smooth-skinned marine fish
Example
The butter-fish is popular in Bengali cuisine.
黄油鱼在孟加拉菜中很受欢迎。
B1 verb /blɛs/

bless

祝福
Meaning
to give divine favor; to ask for God's favor
Example
The priest blessed the congregation.
牧师祝福了会众。
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。
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。
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。
C2 adjective, noun /bɪˈtroʊðd/

betrothed

订婚的
Meaning
Engaged to be married; a person who is engaged.
Example
She introduced him as her betrothed.
她把他介绍为她的未婚夫。
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。
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 /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。
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。
C2 noun /bænˈdænə/

bandanna

大彩色头巾
Meaning
A large, often brightly colored handkerchief, typically worn on the head or around the neck.
Example
He tied a red bandanna around his neck.
他把一条红色的头巾绑在脖子上。
B1 noun /bʌntʃ/

Bunch

束; 丛; 捆
Meaning
a number of things of the same type fastened together or occurring close together
Example
She picked a bunch of flowers from the garden for her mother.
她为母亲从花园里摘了一束花。
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。
C2 verb /bɪˈwɪtʃ/

bewitch

迷住
Meaning
to enchant or fascinate someone as if by magic
Example
The dancer's performance bewitched the audience.
舞蹈家的表演迷住了观众。
C2 noun /breɪ/

brae

山坡
Meaning
A hillside or slope, especially in Scotland.
Example
They climbed up the grassy brae to see the sunset.
他们爬上了长满草的山坡去看日落。
C1 noun/verb /brʊk/

brook

小溪 / 容忍
Meaning
As a noun: a small natural stream; As a verb: to tolerate or endure something
Example
The village was built near a clear brook.
这个村庄建在一条清澈的小溪旁。
B2 verb /boʊlt/

bolt

突然跑掉; 用螺栓固定某物
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.
马在听到一声大响后从马厩冲了出去。
C1 noun /ˈblɪs.tər/

Blister

水泡
Meaning
a small bubble on the skin filled with serum and caused by friction, burning, or other damage
Example
The new shoes gave her a painful blister on her heel.
新鞋子在她的脚后跟上造成了一个痛苦的水泡。
A2 noun /brʌʃ/

Brush

刷子
Meaning
a tool with bristles used for cleaning, painting, or grooming
Example
I brush my teeth every morning with a soft brush.
我每天早上用软刷刷牙。
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。
C2 noun /blæk ˈkɑːr.də.məm/

Black Cardamom

黑豆蔻
Meaning
a large aromatic spice pod with a smoky flavor, commonly used in Indian and Middle Eastern cooking
Example
Add black cardamom to the curry for a rich, smoky flavor.
在咖喱中加入黑豆蔻，增添丰富的烟熏味。
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。
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。
A1 preposition, adverb /bɪˈtwiːn/

between

之间
Meaning
at, into, or across the space separating two objects or regions
Example
She sat between her two friends.
她坐在两个朋友之间。
C2 adjective /bəˈnɛfɪsənt/

beneficent

仁慈的, 慷慨的
Meaning
generous or doing good
Example
The beneficent leader donated funds to build a hospital.
仁慈的领导人捐赠了资金以建造医院。
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 /ˈbrɔːdˌsaɪd/

broadside

猛烈的攻击
Meaning
a strong verbal attack or a sheet of paper printed on one side
Example
The politician launched a broadside against his opponent.
政治家对他的对手发起了猛烈的攻击。
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。
C1 noun /bɪz/

Biz

生意
Meaning
business (informal); commercial enterprise or activity
Example
He's been in the restaurant biz for twenty years.
他已经在餐饮生意中工作了二十年。
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。
B2 noun /biːm/

beam

光束 / 横梁
Meaning
a ray or shaft of light; a long piece of wood or metal used to support weight
Example
A beam of sunlight entered through the window.
一束阳光穿过窗户。
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。
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。
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。
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。
C2 noun /ˈbrɪn.dʒəl/

Brinjal

茄子
Meaning
a large purple vegetable that is white inside; also called eggplant
Example
My mother cooked brinjal curry for lunch.
我妈妈做了茄子咖喱作为午餐。
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。
B2 noun/adjective /ˈbʌmpər/

bumper

保险杠
Meaning
A protective bar at the front or back of a vehicle; also used to describe something unusually large or successful.
Example
The farmer celebrated a bumper harvest this year.
农民今年庆祝了一个丰收的年份。
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。
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 /brest/

Breast

胸部
Meaning
the front surface of a person's or animal's body between the neck and the stomach
Example
The baby fell asleep on her mother's breast.
宝宝在母亲的胸部入睡。
B1 noun /bɪˈliːf/

Belief

信念; 信任
Meaning
confidence in the truth or existence of something; trust or faith
Example
His belief in justice never wavered.
他对正义的信念从未动摇。
C2 noun /ˈbrɪtɪˌsɪzəm/

briticism

英式英语的单词或特征
Meaning
a word, phrase, or characteristic feature of British English
Example
The word 'lorry' is a well-known Briticism.
'lorry' 这个词是一个著名的英式词汇。
B2 adjective /ˈbleɪzɪŋ/

Blazing

燃烧的; 炽热的
Meaning
burning fiercely; extremely hot; very bright
Example
The blazing sun made the day extremely hot.
炽热的太阳使得这一天异常炎热。
B2 noun/verb /beɪt/

bait

Meaning
Food or lure used to attract fish or animals; to deliberately provoke or annoy.
Example
He used worms as bait to catch fish.
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。
B2 noun /ˈbæŋ.ɡəl/

Bangle

手镯
Meaning
a rigid bracelet or anklet worn as jewelry
Example
She wore beautiful gold bangles on her wrists.
她戴着漂亮的金手镯在手腕上。
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 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。
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。
C2 noun ˌbaɪ.oʊ.əˈveɪ.lə.bɪl.ə.ti

bioavailability

身体吸收能力
Meaning
The degree to which a substance can be absorbed and used by the body.
Example
Turmeric's bioavailability increases when consumed with black pepper.
姜黄的生物可利用性在与黑胡椒一起食用时增加。
C2 verb /bɪlk/

bilk

诈骗
Meaning
To cheat or defraud someone of money or rights.
Example
The scammer tried to bilk elderly people out of their savings.
骗子试图通过诈骗拿走老年人的积蓄。