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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。
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 /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 verb /bɪˈsiːtʃ/

beseech

恳求
Meaning
To ask someone urgently and fervently to do something; to beg.
Example
He beseeched the judge for mercy.
他恳求法官宽恕。
C2 adjective /bɪˈhoʊldən/

beholden

感激或负债
Meaning
indebted or obliged to someone for a service or help
Example
He felt beholden to his mentor for all the guidance.
他对他的导师感到感激，因为得到所有的指导。
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 /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 phrase ˌbaɪ.oʊ.daɪˈvɜː.sɪ.ti ˌprez.əˈveɪ.ʃən

biodiversity preservation

生物多样性保护
Meaning
The protection and conservation of the variety of life in all its forms, including different species, genetic diversity, and ecosystems.
Example
Biodiversity preservation is critical for ecological balance.
生物多样性保护对生态平衡至关重要。
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。
C2 verb /ˈblændɪʃ/

blandish

奉承
Meaning
to flatter or coax someone with kind words or praise in order to influence them
Example
He blandished the officials with compliments to gain their support.
他为了得到支持而奉承官员。
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。
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。
A2 noun /ˈbʌtərflaɪ/

butterfly

蝴蝶
Meaning
an insect with large, often brightly colored wings that flies during the day
Example
A beautiful butterfly landed on the flower.
一只美丽的蝴蝶停在花上。
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 /ˈbev.ər.ɪdʒ/

Beverage

饮料
Meaning
a drink, especially one other than water
Example
Would you like a hot or cold beverage with your meal?
你想要和你的餐一起喝热的还是冷的饮料？
A1 verb /bɪˈɡɪn/

begin

开始
Meaning
to start doing something; to commence
Example
I will begin my studies tomorrow.
我明天开始学习。
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。
C1 adjective /ˈbɔɪstərəs/

boisterous

喧闹
Meaning
noisy, energetic, and cheerful; rowdy
Example
The children were boisterous during the birthday party.
孩子们在生日派对上很喧闹。
B1 adjective /blɒnd/

blond

Meaning
having light-colored hair, typically pale yellow or golden.
Example
She has long blond hair that shines in the sunlight.
B1 noun /blaʊz/

Blouse

女衬衫
Meaning
a woman's loose upper garment resembling a shirt
Example
She wore a beautiful silk blouse to the party.
她穿着一件美丽的丝绸女衬衫参加派对。
C1 verb /bɪˈstoʊ/

bestow

授予
Meaning
To give or present something as a gift or honor.
Example
The king bestowed honors upon the brave soldiers.
国王授予勇敢的士兵荣誉。
B2 adjective /brɪsk/

Brisk

迅速的; 精力充沛的; 活力四射的
Meaning
quick and energetic; lively; vigorous
Example
She took a brisk walk in the morning to feel energized.
她早晨快步走，感到精力充沛。
B2 adjective /ˈbʌmpi/

Bumpy

崎岖不平的；颠簸的
Meaning
having an uneven surface; rough; jolting
Example
The bumpy road made the car ride very uncomfortable.
颠簸的路让汽车的行驶变得非常不舒服。
B2 noun /ˈbækˌsaɪd/

backside

背部
Meaning
the rear part or surface of something; informal term for the buttocks
Example
The kids slid down the hill on their backside.
孩子们从山坡上滑下来，屁股着地。
B1 adjective /ˈbrɪliənt/

brilliant

辉煌
Meaning
Exceptionally clever, talented, or impressive; very bright or radiant.
Example
She gave a brilliant performance on stage.
她在舞台上表演得非常出色。
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。
A1 noun/verb /bæŋk/

bank

银行
Meaning
an institution where money is kept and managed; or to tilt in movement (like an airplane or riverbank)
Example
She deposited the money in the bank.
她把钱存入了银行。
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。
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 /blæk biː/

Black-bee

黑蜜蜂
Meaning
a large dark-colored bee that makes a loud buzzing sound
Example
The black-bee was buzzing around the flowers in the garden.
黑蜜蜂在花园里的花丛中嗡嗡作响。
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。
C2 adverb /bɪˈtaɪmz/

betimes

早早
Meaning
early; in good time
Example
She rose betimes to finish her work.
她早起以完成工作。
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。
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。
C1 noun /ˈbʊl.ək/

Bullock

牛犊
Meaning
a young bull; a castrated bull used for farm work
Example
The farmer used a bullock to plow the field.
农民用牛犊来耕地。
A1 adjective /ˈbɔːrɪŋ/

boring

无聊
Meaning
not interesting or exciting; dull.
Example
The lecture was so boring that several students fell asleep.
这场讲座无聊到让几个学生都睡着了。
B2 noun /ˈbjʊəroʊ/

bureau

办事处/机构
Meaning
An office or agency that provides services or manages specific duties.
Example
The travel bureau helped them plan their vacation.
旅游局帮助他们规划假期。
C2 noun /ˈbɜːrdʒɪs/

burgess

市民
Meaning
A citizen of a town or borough with full rights of citizenship.
Example
In medieval times, a burgess had the right to vote and hold property.
在中世纪，市民有投票权和拥有财产的权利。
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。
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。
C2 verb /ˈblækˌbɔːl/

blackball

排除
Meaning
to exclude someone socially or vote against their membership in a group or club
Example
He was blackballed from the club after the controversy.
他因争议被俱乐部除名。
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 /bleɪd/

Blade

刀片
Meaning
a sharp flat cutting edge of a knife, sword, or tool
Example
The blade of the knife needs to be sharpened.
刀刃需要磨锐。
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。
A2 noun /ˈbæskɪtbɔːl/

basketball

Meaning
a game played by two teams who try to score points by throwing a ball through a hoop
Example
He loves playing basketball with his friends.
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。
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。
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。
C1 adjective /ˈbleɪmləs/

blameless

无辜
Meaning
innocent of wrongdoing; not deserving blame
Example
She remained calm and blameless throughout the investigation.
她在整个调查过程中保持冷静和无辜。
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。
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。
B2 noun /brɑːnz/

bronze

铜
Meaning
a metal made by combining copper and tin, often used for statues and medals
Example
The statue was made of solid bronze.
这座雕像是由坚固的铜制成的。
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 noun /brɔːl/

brawl

争吵
Meaning
a noisy fight in a public place
Example
A brawl broke out outside the bar late at night.
夜晚在酒吧外发生了争吵。
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。
A1 noun /bɔːl/

ball

球
Meaning
a round object used in games or sports
Example
The children played with a ball in the park.
孩子们在公园里玩球。
B2 adjective /beər/

Bare

裸; 未覆盖; 空; 最少
Meaning
naked; uncovered; empty; minimal
Example
The bare walls of the room needed some decoration.
房间的光秃秃的墙壁需要一些装饰。
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 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。
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。
B2 noun /ˈbɒmər/

Bomber

轰炸机
Meaning
military aircraft designed to drop bombs on targets
Example
The bomber squadron flew over the city at dawn.
轰炸机中队在黎明时飞过城市。
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。
C2 noun /bəˈnæləti/

banality

平凡
Meaning
The condition of being unoriginal, boring, or obvious; trite remark or quality.
Example
The speech was criticized for its banality and lack of originality.
这篇演讲因其平凡和缺乏原创性而受到批评。
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。
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。
B1 noun /blæk ˈber.i/

Black berry

黑莓
Meaning
a small dark purple or black fruit that grows on bushes
Example
We picked fresh blackberries from the garden for our pie.
我们从花园里摘取了新鲜的黑莓做我们的派。
B2 adjective /ˌben.ɪˈfɪʃ.əl/

beneficial

有益的
Meaning
Resulting in good; favorable or advantageous.
Example
Eye rubbing can be beneficial in moderation.
适度地揉眼睛是有益的。
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 adjective /bɪˈheɪvjərəl/

behavioral

行为的
Meaning
relating to the way a person or animal acts
Example
The psychologist studied the child's behavioral patterns.
心理学家研究了孩子的行为模式。
B1 noun /bloʊ/

Blow

打击；用手、武器或坚硬物体的强力打击
Meaning
a powerful stroke with a hand, weapon, or hard object
Example
The boxer delivered a devastating blow to his opponent.
拳击手给对手造成了毁灭性的打击。
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 /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 noun /ˈbʌn.dəl/

Bundle

包裹; 捆
Meaning
a collection of things or quantity of material tied or wrapped up together
Example
The mailman delivered a bundle of letters to our house.
邮递员把一包信送到了我们的家。
C2 adjective /ˈbʌksəm/

buxom

丰满且迷人的女性
Meaning
Plump, with a full figure and often large-breasted, especially used to describe women.
Example
The actress was described as a cheerful and buxom woman.
这位女演员被描述为一个快乐且丰满的女性。
C1 noun /ˈbænɪstər/

banister

扶手栏杆
Meaning
a railing supported by posts at the side of a staircase or balcony
Example
She held the banister tightly while going down the stairs.
她在下楼时紧紧抓住扶手栏杆。
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。
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。
C1 adjective ˌbjʊə.rəˈkræt.ɪk

bureaucratic

官僚的
Meaning
Involving or characterized by complex rules and procedures that can delay the achievement of goals.
Example
Bureaucratic red tape often delays project approvals.
官僚主义的繁文缛节经常延误项目审批。
C1 noun /ˈbɔɪənsi/ or /ˈbuːjənsi/

buoyancy

浮力, 快乐
Meaning
The ability to float in a liquid; cheerfulness and optimism.
Example
Her natural buoyancy lifted the mood of the group.
她自然的快乐提升了小组的氛围。
C2 noun /ˈbuː.jɒ̃/

bouillon

高汤
Meaning
A clear, seasoned broth made by simmering meat, fish, or vegetables in water.
Example
She added vegetables to the bouillon for extra flavor.
她在高汤中加入了蔬菜以增强味道。
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 /ˈbæk.boʊn/

Backbone

脊柱
Meaning
the series of vertebrae extending from the skull to the pelvis; spine
Example
He injured his backbone in the accident.
他在事故中伤了他的脊柱。
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 /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。
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。
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 adjective /ˈbuːzi/

boozy

酒气的
Meaning
containing or involving a lot of alcohol; slightly drunk from alcohol
Example
The party became boozy as the night went on.
随着夜晚的进行，派对变得很有酒气。
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 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。
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。
C1 noun /ˈbaɪ.lɔː/

by-law

地方性法规
Meaning
A rule made by a company, organization, or local authority to control the actions of its members.
Example
The city council passed a new by-law regulating street vendors.
市议会通过了一项新的地方法规，规范街头小贩。
C2 noun /ˈbɔːbəl/

bauble

小饰品
Meaning
A small, decorative trinket or ornament, often of little value.
Example
She wore a shiny bauble around her neck.
她脖子上戴着一个闪亮的小饰品。
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。
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。
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。
B2 adjective /ˈbaɪəst/

Biased

偏见
Meaning
showing prejudice for or against someone or something unfairly
Example
The judge was accused of being biased against the defendant.
法官被指控对被告有偏见。
B2 noun /bætʃ/

batch

一次性生产或处理的物品数量
Meaning
a quantity of items produced or processed at one time
Example
She baked a fresh batch of cookies this morning.
她今天早上烤了一批新鲜的饼干。
C1 noun /bəˈrɒmɪtər/

barometer

气压计
Meaning
an instrument that measures atmospheric pressure
Example
The barometer indicated a storm was approaching.
气压计显示暴风雨即将来临。
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。
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。
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。
A1 adjective, adverb, verb /ˈbɛtər/

better

Meaning
of a more excellent or effective type or quality; to surpass or improve
Example
He felt better after taking the medicine.
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 verb /ˈbɛkən/

beckon

招手示意
Meaning
to signal or call someone to come closer, often with a gesture; to attract or invite
Example
She beckoned him to come closer with a wave of her hand.
她挥手示意他走近一些。
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。
B1 noun ˈbæl.ənst daɪ.ət

balanced diet

均衡饮食
Meaning
A diet consisting of the proper quantities and proportions of foods needed to maintain health or growth.
Example
A balanced diet is essential for maintaining good health.
均衡饮食对维持良好的健康至关重要。
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。
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。
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。
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。
C1 adjective /bɪˈriːvd/

Bereaved

丧亲
Meaning
having lost a loved one through death
Example
The bereaved family received many condolences.
丧亲的家庭收到了很多慰问。
B2 noun /ˈboʊld.nəs/

Boldness

大胆; 勇气
Meaning
willingness to take risks; confidence and courage in behavior
Example
Her boldness in confronting the problem impressed everyone.
她在面对问题时的大胆让所有人都印象深刻。
A1 noun /biːtʃ/

beach

沙滩
Meaning
An area of sand or small stones beside the sea or a lake.
Example
They spent the day relaxing on the beach.
他们在沙滩上度过了一整天，放松自己。
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。
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。
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。
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。
B2 verb /blʌʃ/

blush

脸红
Meaning
to become red in the face due to embarrassment or shyness
Example
She blushed when he complimented her.
她在他夸奖她时脸红了。
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 noun /ˈbælæst/

ballast

压舱物
Meaning
heavy material used to stabilize a ship or vehicle
Example
The ship was loaded with ballast to remain steady in the storm.
船只装载了压舱物，以便在风暴中保持稳定。
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。