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A2 noun /ˈbɪljən/

billion

Meaning
the number 1,000,000,000 (one thousand million)
Example
The company is worth more than a billion dollars.
C1 adjective /bəˈnɑːl/ or /ˈbeɪnəl/

banal

平庸
Meaning
Lacking originality; boringly obvious and commonplace.
Example
His speech was full of banal clichés.
他的演讲充满了平庸的陈词滥调。
A2 verb /bleɪm/

blame

责怪
Meaning
to hold responsible for a fault; to find fault with
Example
Don't blame me for the mistake.
别把错误怪在我身上。
C2 noun /ˌbræɡəˈdoʊʃioʊ/

braggadocio

吹嘘行为
Meaning
boastful or arrogant behavior; empty boasting
Example
His endless braggadocio annoyed everyone at the party.
他无休止的吹嘘行为让派对上的每个人都感到厌烦。
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 /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。
B2 verb /bræɡ/

brag

吹嘘
Meaning
to talk proudly about oneself or one's achievements in an annoying way
Example
He always brags about his expensive car.
他总是夸耀自己昂贵的车。
C1 noun /ˈbaɪoʊˌsfɪr/

Biosphere

生物圈
Meaning
the regions of the surface and atmosphere of the earth occupied by living organisms
Example
Climate change is affecting the entire biosphere.
气候变化正在影响整个生物圈。
C1 noun /ˈblʌdˌbæθ/

bloodbath

血腥屠杀
Meaning
an event in which a lot of people are killed or injured, especially in a violent conflict
Example
The war turned into a bloody bloodbath.
战争变成了一场血腥的屠杀。
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。
B2 verb /ˈbraɪtən/

brighten

使明亮
Meaning
to make something lighter or more colorful; to improve mood or make happier
Example
A few kind words can brighten someone's day.
几句善意的话可以让人的一天变得明亮。
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。
A2 phrasal verb /bæk ʌp/

back up

支持；备份；后退
Meaning
to support or help someone; to make a copy of data for safety; to move backward
Example
Please back up your files before updating the system.
在更新系统之前，请备份你的文件。
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。
C2 verb /ˈbɒtənaɪz/

botanize

研究植物
Meaning
to study plants in their natural environment
Example
They went to the forest to botanize during their vacation.
他们在度假时去森林里研究植物。
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。
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。
A1 noun /bæk/

Back

背部
Meaning
the rear surface of the human body from the shoulders to the hips; the spine
Example
She hurt her back while lifting heavy boxes.
她在搬重箱子时伤了背部。
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。
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。
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 /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。
B2 noun /ˈbælət/

ballot

选票
Meaning
a process of voting, usually in secret; the paper used to record a vote
Example
Voters cast their ballot in the election.
选民在选举中投下了选票。
B2 adjective /ˈbɪtər/

Bitter

苦; 味道强烈; 表现出愤怒和失望
Meaning
having a sharp, pungent taste; feeling or showing anger and disappointment
Example
The medicine had a bitter taste.
药物有苦味。
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。
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 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 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。
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。
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。
A2 noun /brɪk/

brick

砖块
Meaning
A rectangular block of clay or similar material used in building walls and other structures.
Example
The workers laid brick after brick to build the wall.
工人们一块接一块地放砖来建造墙壁。
A2 verb /beɪk/

bake

烤
Meaning
to cook food using dry heat, usually in an oven
Example
She baked a cake for her friend's birthday.
她为她朋友的生日烤了一个蛋糕。
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。
B2 noun /ˈbɪtərnəs/

Bitterness

苦涩
Meaning
anger and disappointment at being treated unfairly; resentment; a sharp, unpleasant taste
Example
She spoke with bitterness about her former employer.
她谈到了对以前雇主的愤怒。
C1 verb /bɒmˈbɑːrd/

bombard

Meaning
to attack continuously with bombs, questions, or other forces
Example
Reporters bombarded the minister with difficult questions.
C2 noun /beɪz/

baize

一种粗糙的羊毛布料
Meaning
A type of coarse woolen cloth, often green, used for covering tables such as billiard tables.
Example
The old card table was covered with worn baize.
旧的扑克牌桌上覆盖着磨损的贝兹布料。
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。
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 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。
C1 noun /bɪˈtreɪər/

Betrayer

背叛者; 不忠者
Meaning
a person who betrays someone or something; one who is disloyal
Example
The betrayer was exposed and faced severe consequences.
背叛者被曝光并面临严重后果。
B1 noun /ˈblen.dər/

Blender

搅拌机
Meaning
an electric kitchen appliance used to mix, purée, or emulsify food and liquids
Example
She used the blender to make a delicious smoothie.
她用搅拌机做了一个美味的冰沙。
C2 noun /bɒmˈbeɪ dʌk/

Bombay duck

邦贝鱼
Meaning
a type of lizardfish found in coastal waters, commonly eaten dried and salted in South Asia
Example
Bombay duck is a popular delicacy when dried and fried.
邦贝鱼干燥并油炸后是一种受欢迎的美食。
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 /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 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。
B2 noun, verb /ˈblækmeɪl/

blackmail

敲诈
Meaning
the act of demanding money or advantage by threatening to reveal secrets; to force someone to act by using such threats
Example
He tried to blackmail her by threatening to reveal the documents.
他试图用威胁公布文件来敲诈她。
C2 verb /bɪˈdɔːb/

bedaub

涂抹
Meaning
to smear or cover with a sticky or dirty substance
Example
The children bedaubed the wall with paint.
孩子们用油漆涂抹了墙。
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.
C2 verb /bɪˈfɒɡ/

befog

使模糊
Meaning
to confuse or make unclear; to cover with fog or mist
Example
His mind was befogged by exhaustion.
他的思维因疲劳而模糊不清。
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。
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。
B2 noun /brum/

Broom

扫帚
Meaning
a long-handled brush of bristles or twigs, used for sweeping
Example
She used an old broom to sweep the fallen leaves from the porch.
她用一把旧扫帚清扫从门廊掉落的树叶。
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 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。
A2 adverb /ˈbæk.wərdz/

Backwards

向后; 逆序
Meaning
in the direction that is behind; in reverse order
Example
He counted backwards from ten to one.
他从十数到一，倒着数。
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。
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 /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。
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。
C1 verb/noun ˈbuːt.stræp

bootstrap

通过使用个人资源而非外部资金启动并发展一个企业
Meaning
To start and develop a business using personal resources without external funding.
Example
He bootstrapped his company with minimal resources.
他用最小的资源启动了自己的公司。
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 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 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。
A2 noun /bɔːrd/

board

Meaning
a flat, thin, rectangular piece of material such as wood; also a group of people managing an organization
Example
The board decided to increase the budget.
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.
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。
C1 noun /brɒŋˈkaɪtɪs/

bronchitis

支气管炎
Meaning
inflammation of the lining of the bronchial tubes, which carry air to and from the lungs
Example
The doctor diagnosed him with acute bronchitis.
医生诊断他患有急性支气管炎。
C1 adjective /ˈbrɪtl/

brittle

脆弱
Meaning
easily broken or cracked; hard but liable to break
Example
The glass was so brittle that it cracked easily.
玻璃太脆弱，容易破裂。
B1 noun /ˈbluː.ber.i/

Blueberry

蓝莓
Meaning
a small round blue fruit that grows on bushes
Example
She picked fresh blueberries for the pie.
她为派对摘了新鲜的蓝莓。
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。
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。
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。
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。
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。
C2 noun /bəˈsuːn/

bassoon

一种大号木管乐器
Meaning
a large woodwind instrument with a deep sound
Example
The orchestra featured a beautiful bassoon solo.
乐团演奏了美妙的巴松独奏。
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。
B2 noun /bɑnd/

Bond

纽带; 债券
Meaning
a close connection joining two or more people; a certificate of debt issued by a government or corporation
Example
The strong bond between the mother and child was evident.
母亲与孩子之间的强烈纽带是显而易见的。
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。
B1 noun /bʌlb/

bulb

Meaning
a rounded glass part of an electric lamp that produces light when lit; also an underground storage organ in some plants
Example
The light bulb burned out, so she replaced it with a new one.
C2 noun /ˈbɔːlsəm/

Balsam

香脂花
Meaning
a flowering plant with colorful blooms that often open in the evening; also refers to aromatic resin
Example
The garden balsam flowers bloomed beautifully in various shades of pink and purple.
花园中的香脂花以粉红色和紫色的不同色调美丽地盛开。
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。
B2 noun, verb /blæst/

blast

爆炸, 强烈撞击
Meaning
a strong gust of wind, an explosion, or a loud sound; to destroy or shatter by explosion
Example
The explosion sent a powerful blast through the building.
爆炸通过大楼发送了一股强劲的爆风。
A2 noun /bæˈleɪ/

ballet

芭蕾舞
Meaning
a highly stylized and artistic form of dance
Example
She has trained for years in classical ballet.
她已经训练多年了，专攻古典芭蕾舞。
C1 verb /bloʊt/

bloat

膨胀
Meaning
to swell or cause to swell, often due to fluid or gas
Example
Eating too much junk food can bloat your stomach.
吃太多垃圾食品会让你的胃膨胀。
B1 adjective /ˈbælənst/

balanced

平衡的
Meaning
keeping or showing a sensible and fair view or position; evenly arranged
Example
A balanced diet is essential for good health.
均衡的饮食对健康至关重要。
C2 noun /ˈbeɪleɪ/

Bele

贝雷鱼
Meaning
a type of freshwater fish found in South Asian rivers, known for its distinctive appearance
Example
The bele fish is commonly caught in the rivers of Bangladesh.
贝雷鱼通常在孟加拉国的河流中被捕获。
B2 noun, verb /ˈbʌŋkər/

bunker

地堡
Meaning
a reinforced underground shelter; to place or store something in a protected place
Example
They hid in a bunker during the air raid.
空袭期间他们躲在地堡里。
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 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。
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。
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。
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。
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 /ˈblæs.fə.mi/

blasphemy

亵渎
Meaning
the act of speaking disrespectfully about God or sacred things
Example
In some countries, blasphemy is a punishable offense.
在某些国家，亵渎是可受处罚的罪行。
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。
C1 noun /blɜːrb/

blurb

宣传描述
Meaning
a short promotional description of a book, product, or service
Example
The back cover had a blurb praising the novel.
封底有一段宣传描述，赞扬这本小说。
A2 noun; gerund /ˈbɒksɪŋ/

boxing

拳击
Meaning
the sport of fighting with fists using padded gloves; the act of putting something into a box
Example
He has been training hard for a professional boxing match.
他正在为一场职业拳击比赛刻苦训练。
C2 verb /bɪˈstruː/

bestrew

散布
Meaning
To scatter or cover something with objects or substances.
Example
The ground was bestrewn with autumn leaves.
地面上撒满了秋天的叶子。
C1 verb /ˈbrændɪʃ/

brandish

挥舞
Meaning
to wave or flourish something, especially a weapon, in a threatening or showy way
Example
He brandished a sword to scare off the intruders.
他挥舞着剑把入侵者吓走了。
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。
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。
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。
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。
B2 noun/verb /bruːz/

bruise

Meaning
As a noun: an injury appearing as a purple or blue mark on the skin; As a verb: to injure without breaking the skin
Example
He got a bruise on his arm after falling.
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。
C2 noun /bɪər/

bier

灵柩架
Meaning
a frame or stand on which a coffin or body is placed before burial or cremation
Example
The coffin was placed on the bier during the funeral service.
棺材在葬礼服务期间被放置在灵柩架上。
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。
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。
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。
B1 noun /bɪˈheɪ.vjər/

Behaviour

行为
Meaning
the way a person or animal acts or conducts themselves
Example
His behaviour at the meeting was very professional.
他在会议上的行为非常专业。
A2 preposition /bɪˈloʊ/

below

下面
Meaning
At a lower level or position than something else.
Example
The basement is below the ground floor.
地下室在一楼下面。
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 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。
C1 adjective /ˈbloʊtɪd/

bloated

膨胀的
Meaning
swollen or puffed up, often unpleasantly
Example
After the big meal, he felt bloated and uncomfortable.
吃完大餐后，他感到肚子膨胀不适。
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。
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 verb /ˈbraʊˌbiːt/

browbeat

威胁 / 强迫
Meaning
To intimidate or bully someone into doing something
Example
The lawyer tried to browbeat the witness.
律师试图威胁证人。
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。
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。
B1 noun /ˈbeɪ.kɪŋ ˈpaʊ.dər/

Baking Powder

泡打粉
Meaning
a dry chemical leavening agent used to increase volume and lighten texture in baked goods
Example
The recipe calls for two teaspoons of baking powder.
这个食谱需要两茶匙泡打粉。
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。