bristling
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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。
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。
A2 adverb /ˈbædli/

badly

糟糕
Meaning
in a way that is not good; poorly or severely
Example
He performed badly in the exam.
他在考试中表现得很差。
C2 noun /ˈbaɪpɛd/

biped

双足动物
Meaning
An animal that walks on two feet.
Example
Humans are examples of biped creatures.
人类是双足动物的例子。
C2 adjective /boʊˈhiːmiən/

bohemian

波希米亚
Meaning
unconventional, artistic, and free-spirited in lifestyle or appearance
Example
She decorated her apartment in a bohemian style with colorful fabrics.
她用色彩缤纷的布料装饰了她的公寓，采用了波希米亚风格。
C2 verb /bɪˈleɪt/

belate

耽搁
Meaning
to delay or make late
Example
Heavy traffic belated our arrival at the party.
交通繁忙导致我们到达聚会时迟到。
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。
C2 noun /boʊl/

bole

树干
Meaning
the trunk of a tree
Example
The bole of the tree was thick and strong.
树干又粗又强壮。
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。
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。
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。
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。
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。
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。
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 verb /bɪˈtaɪd/

betide

发生
Meaning
to happen or occur, usually of something that befalls someone
Example
Woe betide anyone who breaks the rules.
打破规则的人会遭受后果。
C2 verb /ˈbændi/

bandy

Meaning
To pass (words, ideas, or gossip) back and forth in a casual or argumentative way.
Example
They bandied jokes across the table.
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。
A2 noun /bɪər/

beer

啤酒
Meaning
An alcoholic drink made from yeast-fermented malt flavored with hops.
Example
He ordered a glass of cold beer at the bar.
他在酒吧点了一杯冰凉的啤酒。
C2 adjective /ˈbeɪlfəl/

baleful

威胁的
Meaning
Threatening harm; menacing or expressing hatred.
Example
She gave him a baleful look after the insult.
侮辱之后，她朝他投去一个威胁的眼神。
B2 noun /bædʒ/

badge

徽章
Meaning
A small emblem or sign worn to show membership, authority, or achievement.
Example
The police officer showed his badge to identify himself.
警察展示了他的徽章来证明自己的身份。
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。
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。
C2 adjective /ˈbreɪsɪŋ/

bracing

清新的
Meaning
Invigorating, refreshing, or providing strength and energy.
Example
The hikers enjoyed the bracing mountain air.
远足者享受着清新的山间空气。
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 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 noun /bɑːrˈbeəriən/

Barbarian

野蛮人; 未开化者;
Meaning
a person from an uncivilized group; someone who is cruel or brutal
Example
The ancient Romans considered anyone outside their empire to be barbarians.
古罗马人认为所有在他们帝国之外的人都是野蛮人。
C2 adjective /ˈbʌlbəs/

bulbous

膨胀的 / 圆形的
Meaning
Bulging, round, or swollen in shape; resembling a bulb.
Example
The frog had a bulbous nose and big eyes.
青蛙有一个膨胀的鼻子和大眼睛。
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 /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。
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.
B2 noun /ˈbeɪ.zəl/

Basil

罗勒
Meaning
an aromatic herb with green leaves used in cooking, especially Italian cuisine
Example
The pasta sauce was flavored with fresh basil.
意大利面酱料中加入了新鲜的罗勒。
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。
B1 adjective /brɔːd/

Broad

宽广的; 广阔的; 覆盖大面积的
Meaning
wide; extensive; covering a large area
Example
The river is very broad at this point.
这条河在这一点上非常宽广。
A2 adjective /ˈbrɪtɪʃ/

british

英国的
Meaning
relating to Great Britain or its people
Example
She loves British culture and traditions.
她喜欢英国文化和传统。
C2 verb /bɪˈɡaɪl/

beguile

迷住 / 通过欺骗来吸引
Meaning
to charm or enchant someone, often in a deceptive way
Example
She beguiled the audience with her storytelling.
她通过讲故事迷住了观众。
C1 verb /brɔɪl/

broil

烤
Meaning
To cook food by direct heat, usually under a grill or over a fire.
Example
She broiled the chicken until it was golden brown.
她把鸡肉烤到金黄色。
A2 noun /ˈbʊkʃɒp/

bookshop

书店
Meaning
a retail store where books are sold
Example
She spent an hour browsing in the small bookshop.
她在那家小书店里逛了一个小时。
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。
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。
C2 adjective /bəˈθɛt.ɪk/

bathetic

琐碎的情感
Meaning
displaying insincere or trivial emotion; producing an unintended ridiculous effect through sudden change from serious to silly
Example
The movie's ending was unintentionally bathetic rather than tragic.
电影的结局是琐碎的，而不是悲剧性的。
C1 noun /ˈbʊzəm/

bosom

胸部
Meaning
the human chest, especially a woman’s breast; also used metaphorically to refer to closeness or intimacy
Example
She kept the secret close to her bosom.
她把秘密藏在胸口。
C2 noun /ˌbrɪɡ.əˈdɪər/

brigadier

布里加迪尔
Meaning
A military officer rank, usually commanding a brigade.
Example
The brigadier inspected the troops before the parade.
布里加迪尔在游行前检查了部队。
A2 noun /brɛθ/

breath

呼吸
Meaning
The air taken into or expelled from the lungs during breathing.
Example
He took a deep breath before speaking.
他在讲话前深深地吸了一口气。
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 noun /ˈbɪɡətri/

bigotry

偏执
Meaning
Intolerance toward those who hold different opinions or lifestyles.
Example
Her bigotry prevented her from accepting people with different beliefs.
她的偏执阻止她接受拥有不同信仰的人。
C2 adjective /bɪˈsɒtɪd/

besotted

沉迷的，痴迷的
Meaning
strongly infatuated or obsessed with someone or something
Example
He was completely besotted with her charm.
他完全沉迷于她的魅力。
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。
A2 noun /ˈblæŋ.kɪt/

Blanket

毯子
Meaning
a large piece of woolen or similar material used as a covering for warmth
Example
She wrapped herself in a warm blanket on the cold night.
她在寒冷的夜晚把自己裹在温暖的毯子里。
C2 adjective /ˈbɪliəs/

bilious

胆汁的
Meaning
Relating to bile or an ill-tempered, irritable disposition.
Example
He became bilious after hearing the unfair criticism.
他在听到不公正的批评后变得暴躁。
C2 noun /ˈbɛlfri/

belfry

钟楼
Meaning
A bell tower, especially one attached to a church or building.
Example
The church belfry housed a large bronze bell.
教堂的钟楼里有一个大铜钟。
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 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 noun /ˈbeɪsɪs/

basis

基础
Meaning
the underlying support or foundation for an idea, argument, or process
Example
Trust is the basis of any strong relationship.
信任是任何强大关系的基础。
B1 noun /baɪˈɒlədʒi/

biology

生物学
Meaning
The scientific study of living organisms.
Example
Biology explains how plants and animals function.
生物学解释了植物和动物是如何运作的。
C1 noun /bəˈtæljən/

battalion

营
Meaning
A large body of soldiers ready for battle, typically consisting of several companies.
Example
The battalion was deployed to the front line.
这个营被部署到前线。
B2 noun /bækˈtɪəriəm/

bacterium

细菌
Meaning
A single microscopic organism belonging to the group of bacteria.
Example
The doctor explained that a single bacterium can multiply rapidly under the right conditions.
医生解释说，一个单一的细菌在适当的条件下可以迅速繁殖。
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。
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。
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。
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。
B2 verb /buːm/

boom

轰鸣
Meaning
to make a loud deep sound; to grow or increase rapidly
Example
The thunder boomed across the sky.
雷声在天空中轰鸣。
B1 verb /bɜːrst/

burst

爆裂
Meaning
to break open suddenly; to be full of something
Example
The balloon bursts with a loud pop.
气球突然爆炸发出响亮的声音。
B2 noun ˈbreɪk.θruː

breakthrough

突破
Meaning
A sudden, dramatic, and important discovery or development.
Example
The breakthrough opens doors for new technology.
这个突破为新技术打开了大门。
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.
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。
B1 adverb /bɪˈniːθ/

Beneath

下面; 底下
Meaning
under; below; underneath
Example
The treasure lies beneath the old tree.
宝藏埋在古老的树下。
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 adjective /ˈbʌmblɪŋ/

bumbling

笨拙
Meaning
Acting in a clumsy, awkward, or confused way.
Example
The bumbling waiter spilled the drinks on the table.
那个笨拙的服务员把饮料撒在桌子上。
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。
A1 interjection /baɪ/

bye

再见
Meaning
used to say goodbye; a short and informal farewell
Example
I said bye to her before leaving.
离开前我对她说了再见。
A2 preposition /bɪˈsaɪd/

beside

在...旁边
Meaning
next to or at the side of someone or something
Example
She sat beside her best friend during the ceremony.
她在仪式期间坐在她最好的朋友旁边。
B2 noun /ˈbɛərɪŋ/

bearing

举止 / 姿态
Meaning
a person's way of standing or moving; relevance or connection to something
Example
Her calm bearing impressed everyone in the room.
她平静的姿态给房间里的每个人留下了深刻印象。
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。
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。
C2 noun /ˈbʊlrʌʃ/

bulrush

芦苇
Meaning
A tall plant with long leaves that grows in or near water, also known as a cattail.
Example
The pond was surrounded by tall bulrushes swaying in the wind.
池塘被高大的芦苇环绕，随风摇曳。
C2 noun /ˈbɒnəmi/

bonhomie

友善
Meaning
Cheerful friendliness and geniality.
Example
The meeting was filled with laughter and bonhomie.
会议充满了笑声和友善。
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。
B1 noun /bæŋ/

Bang

突然的响声; 强烈的撞击或打击
Meaning
a sudden loud noise; a hard blow or hit
Example
The door closed with a loud bang that woke everyone up.
门关上时发出一声巨响，吵醒了所有人。
B2 noun /bent/

Bent

倾向; 倾向性
Meaning
a natural inclination or talent; a strong interest or liking for something
Example
She has a natural bent for music and art.
她对音乐和艺术有天生的倾向。
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。
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 /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。
B2 adverb /ˈblʌnt.li/

Bluntly

直言不讳; 直率地
Meaning
in a direct way without trying to be polite; frankly
Example
He told her bluntly that she was wrong.
他直接告诉她她错了。
C2 adjective /bɪˈnɪɡnənt/

benignant

仁慈的, 善良的
Meaning
Kindly and benevolent in nature.
Example
The teacher’s benignant attitude made the students feel comfortable.
老师的仁慈态度让学生感到舒适。
A1 noun, verb /baɪk/

bike

自行车
Meaning
a bicycle or motorcycle; to ride a bicycle
Example
He biked to school every day.
他每天骑自行车去学校。
C2 noun /brəˈvjʊrə/

bravura

Meaning
a display of great skill and brilliance, especially in music or performance
Example
The pianist delivered a bravura performance that left the audience spellbound.
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。
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。
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。
B2 noun /ˈbætʃələr/

Bachelor

单身汉; 拥有大学学位的人
Meaning
an unmarried man; a person who holds a first degree from a university
Example
He remained a bachelor all his life and earned a bachelor's degree in engineering.
他一生都保持单身，并获得了工程学位。
C1 noun /bəˈbuːn/

Baboon

狒狒
Meaning
a large African and Arabian primate with a dog-like snout and colorful buttocks
Example
The baboon troop gathered around the watering hole in the savanna.
狒狒群聚集在大草原的水坑旁。
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。
B2 adjective /blʌnt/

blunt

钝的，直率的
Meaning
not sharp; direct and straightforward in speech
Example
Her blunt remarks offended some people.
她直率的评论冒犯了某些人。
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。
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。
C1 noun /bɒɡ/

bog

沼泽
Meaning
an area of wet, spongy ground; a swamp or marsh
Example
The hikers got stuck in a bog.
徒步旅行者陷入了一个沼泽。
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。
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 /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。
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。
A2 noun /ˈbɪljən/

billion

Meaning
the number 1,000,000,000 (one thousand million)
Example
The company is worth more than a billion dollars.
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。
C1 noun /ˈboʊ.ə/

Boa

蟒蛇
Meaning
a large non-venomous snake that kills prey by constriction
Example
The boa constrictor wrapped around its prey.
波阿蛇缠绕着它的猎物。
C2 noun /ˈbroʊɡən/

brogan

厚重鞋
Meaning
A heavy, sturdy shoe, often made of leather.
Example
The farmer wore old brogans while working in the field.
农民在田间工作时穿着旧布罗根鞋。
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。
B1 noun /bʊl/

bull

公牛
Meaning
a male animal of the cattle family; sometimes refers to a strong or aggressive man
Example
The bull charged across the field towards the red flag.
公牛冲向田野上的红旗。
B2 noun, verb /bɒb/

bob

上下摆动
Meaning
a short sudden movement up and down; to move quickly up and down
Example
The small boat began to bob on the waves.
小船开始在波浪上上下摆动。
C1 verb, noun /ˈbrɪsəl/

bristle

刚毛; 愤怒反应
Meaning
to react angrily or defensively; a short stiff hair or fiber
Example
The cat bristled when it saw the dog.
猫看到狗时毛发竖起来。
C1 verb /ˈbæbəl/

babble

胡说
Meaning
to talk rapidly and continuously in a foolish way
Example
The baby babbles all day long.
宝宝整天嘟囔。
B2 noun /ˈbɜːrdn/

burden

负担
Meaning
a heavy load, especially one that is difficult to carry
Example
The financial burden was too heavy for him to bear.
财政负担对他来说太重了。
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。
C2 noun /bɜːrˈlɛsk/

burlesque

滑稽模仿剧
Meaning
A humorous and exaggerated imitation of a serious work; a type of theatrical entertainment involving comedy and parody.
Example
The play was a clever burlesque of traditional opera.
这出戏是对传统歌剧的巧妙滑稽模仿。
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。
A2 verb /bɪˈlɒŋ/

belong

属于
Meaning
to be in the right place or to be a member of a group
Example
She felt she truly belonged to the team.
她觉得她真的属于这个团队。
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。
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。
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。
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 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。
B1 noun /bɑːm/

Bomb

炸弹
Meaning
an explosive device designed to cause damage or destruction
Example
The bomb disposal unit carefully defused the explosive device.
炸弹拆除单位小心地引爆了爆炸装置。