bric-a-brac
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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。
C2 noun /briːtʃ/

breech

Meaning
The back part of a gun barrel; a position of a baby in the womb where the buttocks or feet come out first at birth.
Example
The rifle was loaded through the breech.
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 /bəˈtɒn/

baton

Meaning
A thin stick carried by a conductor to direct an orchestra, or used as a symbol of authority.
Example
The conductor raised his baton to begin the symphony.
B1 noun /bʊk ˈsel.ər/

Book seller

书商
Meaning
a person who sells books, especially as a business
Example
The book seller recommended a great novel for my summer reading.
书商推荐了我暑期阅读的一本好小说。
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; 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。
B2 adjective /ˌbaɪəˈlɒdʒɪkl̩/

biological

生物学的
Meaning
relating to the science of biology or to life and living organisms
Example
She is studying biological sciences at university.
她在大学学习生物科学。
B2 adverb /ˈbəʊld.li/

Boldly

大胆地; 毫不畏惧
Meaning
in a confident and brave way; without fear
Example
She boldly stepped forward to face the challenge.
她勇敢地迈步向前，迎接挑战。
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。
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。
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。
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。
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。
A2 verb /bɪld/

build

建造
Meaning
to make something by putting materials together; to construct
Example
They will build a new school in our neighborhood.
他们将在我们社区建一所新学校。
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。
A1 preposition /baɪ/

by

通过
Meaning
indicating the agent performing an action, or the means of achieving something
Example
The book was written by a famous author.
这本书是通过一位著名的作者写的。
B1 verb /ˈbrɔːdˌkæst/

broadcast

广播
Meaning
to transmit a program or information by radio, television, or online media
Example
The match was broadcast live on television.
比赛通过电视现场直播。
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。
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。
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。
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。
A1 noun /bɪˈɡɪnɪŋ/

beginning

开始
Meaning
The start or first part of something.
Example
The beginning of the story was very interesting.
故事的开始非常有趣。
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。
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。
C2 verb /ˈbækbaɪt/

backbite

背后说坏话
Meaning
to speak negatively about someone who is not present; to slander behind someone’s back
Example
It is wrong to backbite your colleagues behind their backs.
在背后说同事的坏话是不对的。
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 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。
A1 conjunction /bɪˈkɔːz/

because

因为
Meaning
for the reason that; since
Example
He stayed home because it was raining.
他因为下雨待在家里。
C1 verb /bɪˈhoʊld/

behold

看见；目睹
Meaning
to see or observe something, especially something remarkable or impressive
Example
She stood quietly to behold the sunrise over the hills.
她静静地站着，目睹山上的日出。
B1 noun /ˈbed ˌkʌv.ər/

Bed cover

床罩
Meaning
a protective covering for a bed, typically a bedspread or comforter
Example
She pulled the bed cover up to her chin to stay warm.
她把床罩拉到下巴，保持温暖。
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 /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 verb /beɪt/

bate

减轻，抑制
Meaning
to lessen or restrain; to diminish the force or intensity of something
Example
He spoke with bated breath as he waited for the result.
他屏住呼吸等待结果时说道。
B1 noun /boʊ/

Bow

弓
Meaning
a weapon for shooting arrows, made of a curved piece of wood
Example
The archer drew his bow and aimed at the target.
射手拉开了他的弓，瞄准了目标。
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。
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。
B1 noun /ˈbæŋkɪŋ/

banking

银行业务或银行服务
Meaning
the business or services provided by a bank
Example
Online banking has made financial transactions easier.
在线银行业务使金融交易变得更容易。
B2 adverb /ˈbruːtəli/

brutally

残酷地
Meaning
in a cruel, violent, or harsh manner; in a very direct and blunt way
Example
The prisoners were treated brutally by the guards.
警卫残酷地对待这些囚犯。
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。
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。
A1 noun /bɒks/

Box

盒子
Meaning
a container with flat sides and a lid, used for storing or carrying things
Example
She put her toys in the wooden box.
她把玩具放进木盒里。
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 /ˌbaɪ.oʊ.rɪˌmiː.diˈeɪ.ʃən/

bioremediation

生物修复
Meaning
The use of living organisms to neutralize or remove environmental contaminants.
Example
Bioremediation helps remove toxins from polluted soil.
生物修复帮助清除污染土壤中的毒素。
C1 noun /ˈblɛm.ɪʃ/

blemish

瑕疵
Meaning
A small mark or flaw that spoils the appearance of something.
Example
The mirror had a small blemish on the surface.
镜子表面有一个小瑕疵。
C1 noun /bruːˈtæləti/

brutality

残暴
Meaning
extreme cruelty or violence; savage or inhumane treatment
Example
The brutality of the attack shocked the entire community.
这次攻击的残暴震惊了整个社区。
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.
C1 verb /bɪˈɡɛt/

beget

导致 / 产生
Meaning
to bring about or give rise to; to father or produce
Example
Violence begets more violence.
暴力会引发更多的暴力。
C1 verb, noun /ˈbreɪnˌwɒʃ/

brainwash

洗脑
Meaning
to manipulate someone into adopting certain beliefs by repeated pressure or propaganda; the act or process of such manipulation
Example
The group tried to brainwash new members with constant propaganda.
这个组织试图给新成员洗脑。
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。
B1 noun /ˈbɪldər/

builder

建筑商
Meaning
a person or company that constructs buildings or other structures
Example
The builder checked the site before starting the construction.
建筑商在开始建造之前检查了现场。
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。
B1 noun /bʌn/

Bun

小圆包
Meaning
a small round bread roll, often sweet
Example
I bought fresh buns from the bakery this morning.
我今天早上从面包店买了新鲜的小圆包。
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 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。
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。
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 noun /ˈbiː.ɪŋ/

Being

存在；一个生物；存在的状态
Meaning
existence; a living creature; the state of existing
Example
Every human being deserves respect and dignity.
每个人类都有尊严和尊重的权利。
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 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 /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。
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。
C2 verb /bɪˈdaɪzən/

bedizen

华丽装饰
Meaning
to dress up or decorate in a showy or tasteless way
Example
She was bedizened with cheap jewelry.
她用便宜的珠宝装饰自己。
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 noun /ˈblʌfər/

bluffer

虚张声势的人
Meaning
a person who pretends to be more confident, skilled, or knowledgeable than they really are; someone who deceives others by bluffing
Example
Everyone eventually realized that he was just a bluffer with no real experience.
大家最终意识到他只是个虚张声势的人。
B2 noun breɪn ˈtreɪ.nɪŋ

brain-training

大脑训练
Meaning
Mental exercises designed to improve cognitive functions, memory retention, and overall brain performance.
Example
Regular brain-training can improve memory retention.
定期的大脑训练可以提高记忆力。
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。
B2 noun /ˈbætəlˌfiːld/

battlefield

战场
Meaning
a place where a battle is fought
Example
The battlefield was covered with the remnants of the fight.
战场上布满了战斗的残余。
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 verb /bɪˈtəʊkən/

betoken

预示
Meaning
to be a sign or indication of something
Example
Dark clouds betoken an approaching storm.
乌云预示着即将到来的暴风雨。
C2 adjective /blɑːˈzeɪ/

blase

冷漠, 不感兴趣
Meaning
unimpressed or indifferent to something because it has been experienced so often before
Example
After years of luxury travel, she felt blase about another trip to Paris.
经过多年的奢华旅行，她对再次前往巴黎的旅行感到漠不关心。
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。
B2 noun /ˈboʊlər/

bowler

投球员
Meaning
a person who delivers the ball in cricket; also a type of hard felt hat with a rounded crown
Example
The bowler took three wickets in the first over.
投球员在第一轮中拿下了三个wicket。
C2 verb /ˈbæstərdaɪz/

bastardize

歪曲
Meaning
to corrupt or debase something by altering it from its original form; to change in a way that reduces quality or purity
Example
Critics argue that the remake bastardized the original novel.
评论家认为这次改编歪曲了原作。
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。
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。
A2 verb /ˈbɒðər/

bother

打扰
Meaning
to annoy, worry, or cause trouble to someone
Example
I don't want to bother you while you're working.
我不想在你工作的时候打扰你。
C2 noun /biˈætɪtjuːd/

beatitude

至高的祝福或幸福，常用于指耶稣在山上宝训中的教义
Meaning
supreme blessedness or happiness, often used in reference to the sayings of Jesus in the Sermon on the Mount
Example
She felt a state of beatitude after receiving the good news.
收到好消息后，她感到一种祝福的状态。
C2 noun /brɔːn/

brawn

体力
Meaning
physical strength in contrast to intelligence
Example
He used his brawn to lift the heavy box.
他用体力举起了沉重的箱子。
C2 noun /ˌbenɪˈdɪkʃən/

Benediction

祝福
Meaning
a blessing, especially a ceremonial one; an expression of good wishes
Example
The priest gave his benediction to the newlyweds.
牧师给新婚夫妇带来了祝福。
B2 noun /bʌd/

Bud

花苞
Meaning
An undeveloped or immature flower before it opens
Example
The rose bud will bloom into a beautiful flower in a few days.
玫瑰花苞将在几天内绽放成一朵美丽的花。
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 /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。
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。
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。
B1 noun /ˈbʊt.ʃər/

Butcher

屠夫
Meaning
a person whose job is cutting up and selling meat in a shop
Example
The butcher recommended the best cut of beef for our dinner.
屠夫推荐了我们晚餐的最佳牛肉切块。
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。
B1 noun /ˈbʌb.əl/

bubble

气泡
Meaning
a thin sphere of liquid enclosing air or gas; a temporary state of inflated value or excitement
Example
The children chased the bubbles in the air.
孩子们在空中追逐气泡。
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。
A1 noun /ˈbɒdi/

body

身体
Meaning
the physical structure of a person or animal
Example
Exercise helps keep the body healthy.
锻炼有助于保持身体健康。
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。
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 /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。
A1 adjective /bluː/

Blue

蓝色
Meaning
having the color of the clear sky or the sea
Example
The blue ocean stretched endlessly to the horizon.
蓝色的海洋一直延伸到地平线。
A2 adjective /blaɪnd/

blind

Meaning
Unable to see because of injury, disease, or a congenital condition.
Example
He has been blind since birth.
A2 noun, verb /bræntʃ/

branch

分支
Meaning
A part of a tree that grows out from the trunk; a division of an organization or subject.
Example
The company opened a new branch in Dhaka.
公司在达卡开设了一个新分支。
A2 noun breɪn

brain

大脑
Meaning
The organ inside the head that controls thought, memory, feelings, and activity
Example
The brain can only focus on one thing at a time.
大脑一次只能专注于一件事。
C2 noun /ˌbuː.ɡənˈvɪl.i.ə/

Bougainvillea

九重葛
Meaning
a tropical climbing plant with colorful bracts surrounding small flowers
Example
The bougainvillea climbing over the garden wall creates a beautiful purple display.
攀爬在花园墙上的九重葛创造了美丽的紫色展示。
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。
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 /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。
C2 noun /ˈbrɪmˌstoʊn/

brimstone

Meaning
Sulfur, especially when considered as fiery and associated with hell or divine punishment.
Example
The preacher spoke of fire and brimstone to warn the congregation.
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。
A2 noun /bel/

Bell

钟
Meaning
a hollow metal device that makes a ringing sound when struck
Example
The church bell rang at noon.
教堂的钟声在中午响起。
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。
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。
A2 noun /boʊl/

Bowl

碗
Meaning
a round, deep dish or basin used for food or liquid
Example
She served the soup in a large ceramic bowl.
她把汤端到一个大陶瓷碗里。
B2 noun /ˈbel.i/

Belly

肚子
Meaning
the front part of the human trunk below the ribs, containing the stomach and bowels; abdomen
Example
The baby kicked in her belly during pregnancy.
怀孕期间，宝宝踢了她的肚子。
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。
B2 noun; verb /breɪs/

brace

支架；做好准备
Meaning
a device that supports or strengthens something; to prepare mentally or physically for something difficult
Example
She braced herself for the strong wind.
她为强风做好了准备。
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。
C1 adjective /bɪˈrɛft/

bereft

失落的
Meaning
Deprived of or lacking something, especially a nonmaterial asset.
Example
After the betrayal, he felt bereft of hope and trust.
背叛后，他感到失落于希望和信任。
C2 noun /ˈbeɪlɔːr/

bailor

寄托人
Meaning
a person who temporarily transfers possession of goods or property to another under a bailment agreement
Example
The bailor entrusted the valuable artwork to the museum for safekeeping.
寄托人把艺术品交给了博物馆。
B2 noun /ˈbɒt.əl.nek/

bottleneck

瓶颈
Meaning
Narrow path or obstruction, a place or situation where flow becomes slow.
Example
The narrow bridge is a major bottleneck during rush hour.
窄桥在高峰期间是一个瓶颈。
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。
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。
C2 verb /bɪˈliːɡər/

beleaguer

围困, 烦扰
Meaning
to cause difficulties, troubles, or harassment; to surround with military forces
Example
The company was beleaguered by constant complaints from its customers.
该公司因客户不断的投诉而被围困。
C1 noun /ˈblʌd.ʃed/

Bloodshed

流血; 屠杀
Meaning
the killing or wounding of people, typically in large numbers during a conflict
Example
The peace treaty was signed to prevent further bloodshed.
和平条约被签署，以防止进一步的流血。
C2 verb /bɪˈdɛk/

bedeck

装饰
Meaning
to decorate or adorn something in a showy way
Example
The hall was bedecked with flowers for the wedding.
大厅为婚礼装饰了花卉。
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。
C2 adjective /ˈbrætɪʃ/

brattish

任性
Meaning
acting like a spoiled child; behaving in an annoying, self-centered way
Example
The brattish boy threw a tantrum when he didn’t get his toy.
那个任性的男孩因为没有得到玩具而发脾气。