befriend
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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。
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。
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。
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 /bəˈlɛəroʊ/

bolero

博莱罗（西班牙舞蹈或前面开口的短外套）
Meaning
A Spanish dance in slow triple time, or a short jacket open at the front.
Example
The dancers performed a passionate bolero at the festival.
舞者在节日中表演了热情的博莱罗。
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。
B2 noun /bɪzˈnɛs sʌˈsɛs/

business success

商业成功
Meaning
The achievement of desired outcomes in business operations, typically measured by profitability, growth, and sustainability.
Example
Innovation drives business success.
创新推动商业成功。
C2 verb /ˈbɜːrdʒən/

burgeon

快速增长
Meaning
To grow or develop rapidly; to flourish.
Example
The city's population began to burgeon after the new factory opened.
这座城市的人口在新工厂开业后开始迅速增长。
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 adjective/verb /ˈbæntərɪŋ/

bantering

开玩笑
Meaning
characterized by good-humored teasing or joking
Example
They had a bantering conversation at the café.
他们在咖啡馆进行了幽默的对话。
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。
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。
C1 noun /ˈbæləd/

ballad

叙事歌曲
Meaning
a narrative song or poem, often sentimental or romantic
Example
The singer performed a moving ballad about lost love.
歌手演唱了一首感人的失恋歌曲。
B2 adjective /ˈbruː.təl/

brutal

残忍
Meaning
extremely cruel or harsh; violent and without feeling
Example
The dictator’s rule was marked by brutal violence.
独裁者的统治充满了残忍的暴力。
C2 adjective /ˈbrɪndl̩d/

brindled

斑驳
Meaning
Having a brownish or tawny color with streaks or spots of another color.
Example
The farmer owned a brindled cow with distinctive stripes.
农民拥有一头带有显著条纹的斑驳奶牛。
C2 noun /bleɪn/

Blain

水泡
Meaning
an inflammatory swelling or sore on the skin; a blister or pustule
Example
The doctor examined the blain on his arm.
医生检查了他手臂上的水泡。
A2 noun /ˈbɪljən/

billion

Meaning
the number 1,000,000,000 (one thousand million)
Example
The company is worth more than a billion dollars.
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。
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。
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。
C2 noun /baɪˈmɛstər/

bimester

两个月的时间段
Meaning
A period of two months.
Example
The academic program is divided into six bimesters.
学术项目分为六个学期。
B2 noun /ˈbaɪoʊ ˌdeɪtə/

Bio-data

简历
Meaning
biographical data; a resume or curriculum vitae containing personal and professional information
Example
Please submit your bio-data along with the job application.
请将您的简历与求职申请一起提交。
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。
C1 noun /ˈbæs.ti.ən/

bastion

堡垒, 防御工事
Meaning
a stronghold or fortification; a place or institution strongly defending particular principles
Example
The castle stood as a bastion against enemy attacks.
这座城堡作为抵御敌人攻击的堡垒而屹立。
A1 noun /ˈbaɪ.sɪ.kəl/

Bicycle

自行车
Meaning
A vehicle with two wheels that you pedal to make it move
Example
She rides her bicycle to work every day.
她每天骑自行车去上班。
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。
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 adjective /ˈblʌdləs/

bloodless

无血
Meaning
without bloodshed; lacking violence or vitality
Example
The revolution was surprisingly bloodless.
这场革命出奇地没有流血。
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。
C1 noun, verb /ˈbʌtrəs/

buttress

扶壁，支撑
Meaning
a structure built against a wall for support; to support or strengthen
Example
The cathedral walls were buttressed to prevent collapse.
大教堂的墙壁被支撑以防止倒塌。
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。
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 /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。
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。
A1 noun /ˈbɪldɪŋ/

building

建筑
Meaning
A structure with a roof and walls, such as a house, school, or office.
Example
The old building was renovated into a museum.
这座旧建筑被翻新并改建为博物馆。
B2 noun /brɪŋk/

brink

边缘
Meaning
The edge or point just before a significant event or change.
Example
The company was on the brink of bankruptcy.
公司处于破产的边缘。
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。
A2 noun /brænd/

brand

品牌
Meaning
a type of product manufactured by a company under a particular name
Example
Nike is a popular brand of sportswear.
Nike 是一个受欢迎的运动服品牌。
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。
B1 verb /ˈbɑrɡɪn/

bargain

讨价还价
Meaning
to negotiate terms; to discuss prices; to make a deal
Example
She likes to bargain at the local market.
她喜欢在当地市场讨价还价。
C2 noun /ˌbɪbliəʊˈmeɪniə/

bibliomania

书籍癖
Meaning
An extreme obsession with collecting or possessing books.
Example
His bibliomania led him to fill every room with books.
他的书籍癖使他把每个房间都塞满了书。
A2 verb /ˈbɑroʊ/

borrow

借
Meaning
to take temporarily with intention to return; to take on loan
Example
Can I borrow your pen for a moment?
我可以借一下你的笔吗？
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。
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 /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。
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。
C2 noun /ˈbloʊˌhɑrd/

blowhard

自负的人
Meaning
a person who brags a lot or talks in a boastful way
Example
Everyone avoided the blowhard at the party because he wouldn't stop bragging.
在派对上，大家都避开了那个自负的人，因为他不停地吹嘘。
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。
B2 verb /blɪŋk/

blink

眨眼
Meaning
to close and open the eyes quickly.
Example
She blinked rapidly to clear the dust from her eyes.
她迅速眨眼清除眼中的灰尘。
A1 noun /bɪt/

Bit

一小块或某物的少量; 短时间或短距离
Meaning
a small piece or quantity of something; a short time or distance
Example
Can you wait a bit longer for me?
你能为我再等一会儿吗？
C2 adjective /baɪˈkæmərəl/

bicameral

两院制
Meaning
Having two branches or chambers, especially in a legislature.
Example
The United States has a bicameral legislature consisting of the Senate and the House of Representatives.
美国有一个两院制的立法机构，由参议院和众议院组成。
C2 verb /blæsˈfiːm/

blaspheme

亵渎
Meaning
to speak irreverently about God or sacred things
Example
He was accused of blaspheming during the heated argument.
他在激烈的争论中被指控亵渎。
C2 adjective /ˈbaɪ.fərˌkeɪ.tɪd/

bifurcated

分成两部分
Meaning
Divided into two branches or parts.
Example
The river became bifurcated as it flowed around the island.
河流分成两部分，当它绕过岛屿时。
B2 noun /ˈbrɔːd.bænd/

broadband

宽带
Meaning
a high-capacity transmission technique using a wide range of frequencies.
Example
Broadband internet has become a necessity in modern homes.
宽带互联网已成为现代家庭的必需品。
C2 adjective /ˌbiːəˈtɪfɪk/

beatific

极乐的
Meaning
blissfully happy or showing great joy
Example
She had a beatific smile after hearing the good news.
她在听到好消息后露出了极乐的微笑。
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。
B2 noun /ˈblɒkˌtʃeɪn/

blockchain

区块链
Meaning
A system of recording information in a way that makes it difficult or impossible to change, hack, or cheat the system
Example
Blockchain technology ensures transparency in financial transactions.
区块链技术确保金融交易的透明度。
C1 noun /bəˈnɛv.ə.ləns/

benevolence

仁慈或慈爱
Meaning
The quality of being well meaning and kindly; the disposition to do good.
Example
His benevolence towards the poor earned him respect.
他的仁慈使他赢得了贫穷者的尊重。
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。
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。
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 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 adjective /ˈbræsi/

brassy

张扬的
Meaning
loud and showy in a way that lacks good taste; resembling brass in color or sound
Example
She wore a brassy necklace that caught everyone’s attention.
她戴着一条张扬的项链，吸引了所有人的注意。
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 /ˈbʊərɪʃ/

boorish

粗鲁
Meaning
Rude, insensitive, and lacking manners or refinement.
Example
His boorish behavior ruined the dinner party.
他的粗鲁行为毁了晚宴。
C1 noun /ˈbɑːr.tər ˌsɪs.təm/

barter system

物物交换
Meaning
A system of exchange where goods and services are traded directly without using money.
Example
Ancient civilizations used the barter system for trade.
古代文明使用物物交换系统进行贸易。
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。
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。
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。
A2 noun /ˈbeɪsˌbɔːl/

baseball

棒球
Meaning
a sport in which two teams try to score runs by hitting a ball and running around bases
Example
He loves watching baseball games on TV.
他喜欢在电视上观看棒球比赛。
B2 verb /blʌf/

bluff

Meaning
to deceive someone by pretending to have strength, knowledge, or resources that one does not actually possess
Example
He tried to bluff his way into the exclusive club.
C2 noun /broʊɡ/

brogue

坚固的鞋子；口音
Meaning
A strong outdoor shoe; also a marked accent, especially Irish or Scottish.
Example
He bought a pair of stylish brogues for the wedding.
他为婚礼买了一双时尚的布罗格鞋。
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。
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。
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。
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。
B2 noun, verb /bəˈfeɪ/ (noun), /ˈbʌfɪt/ (verb)

buffet

Meaning
A meal where guests serve themselves from a variety of dishes arranged on a table; also means to strike repeatedly (as a verb).
Example
We enjoyed a large buffet at the wedding reception.
C1 noun /bəˈnæn.zə/

Bonanza

一种突然增加财富、好运或利润的情况或事件
Meaning
a situation or event that creates a sudden increase in wealth, good fortune, or profits
Example
The oil discovery was a bonanza for the small country.
石油的发现对这个小国来说是一个博南萨。
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。
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。
A2 verb /bet/

bet

打赌
Meaning
to risk money on the outcome of something; to be confident
Example
I bet it will rain tomorrow.
我打赌明天会下雨。
C2 noun /ˈbrɪɡ.ənd/

brigand

强盗
Meaning
A member of a gang that ambushes and robs people in forests or mountains; a bandit.
Example
The travelers were attacked by brigands in the mountains.
旅行者在山中被强盗袭击。
C2 verb /bruːt/

bruit

传播谣言
Meaning
to spread a rumor or report widely
Example
The scandal was quickly bruited about the town.
丑闻迅速在城镇传播开来。
C2 adjective /ˈboʊvaɪn/

bovine

与牛相关的
Meaning
relating to cattle; showing a dull or sluggish nature
Example
Her bovine expression revealed no emotions.
她的牛性表情没有表达任何情感。
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。
C1 adjective /ˈbɑːmi/

balmy

温和而愉快的温暖；舒缓。
Meaning
Mild and pleasantly warm; soothing.
Example
We enjoyed a walk on a balmy summer evening.
我们在一个温和的夏日晚间散步。
C2 adverb /ˈbruːskli/ or /ˈbrʌskli/

brusquely

粗鲁地
Meaning
in a blunt, abrupt, or rude manner
Example
She brusquely dismissed the suggestion.
她粗鲁地拒绝了这个建议。
C1 noun /ˈbeɪlɪf/

bailiff

法警
Meaning
An official who keeps order in a court, carries out court orders, or collects debts.
Example
The bailiff asked everyone to rise as the judge entered the courtroom.
当法官进入法庭时，法警要求大家起立。
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。
C1 adjective /ˈbækˌhændɪd/

backhanded

间接或讽刺的
Meaning
Indirect or sarcastic, often appearing as praise but actually insulting.
Example
She gave him a backhanded compliment about his work.
她给了他一个间接的赞美，关于他的工作。
A2 noun /ˈbækɡraʊnd/

Background

背景
Meaning
the circumstances or situation that form the setting; a person's education, experience, or social circumstances
Example
She has a strong background in mathematics and computer science.
她在数学和计算机科学方面有着强大的背景。
A2 noun /ˈbɪznəsmæn/

businessman

商人
Meaning
a person engaged in commercial or industrial business activities
Example
The businessman invested heavily in new technology.
商人们在新技术上进行了大量投资。
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。
B1 verb /ˈberi/

bury

埋葬
Meaning
to put in the ground; to hide; to cover completely
Example
The dog buries its bone in the yard.
狗把它的骨头埋在院子里。
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。
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.
B2 noun /blæk sneɪk/

Black Snake

黑蛇
Meaning
a snake with dark or black colored skin
Example
The black snake slithered through the grass.
黑蛇穿过草地滑行。
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。
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。
B1 adverb /ˈbraɪtli/

brightly

明亮地
Meaning
in a way that gives off a lot of light; in a vivid, cheerful, or intelligent manner
Example
The stars shone brightly in the clear night sky.
星星在清澈的夜空中明亮地闪耀。
C1 adjective /ˈbreɪzən/

brazen

Meaning
Bold and without shame; shameless.
Example
She made a brazen attempt to lie in front of everyone.
C2 noun /brəˈkeɪd/

brocade

织锦
Meaning
a rich fabric woven with a raised pattern, often in gold or silver thread
Example
She wore a beautiful brocade dress to the wedding.
她在婚礼上穿着一件漂亮的织锦裙子。
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。
C1 verb /bɪˈlɪtl/

belittle

贬低
Meaning
To make someone or something seem less important or less valuable.
Example
He often belittled his coworkers to feel superior.
他经常贬低同事以感到优越。
A2 noun /bɑːθ/

Bath

浴缸; 洗澡
Meaning
the act of washing one's body; a container for bathing
Example
I take a hot bath every evening.
我每天晚上洗热水澡。
C2 noun /ˈbɔːl.səm ˈæp.əl/

Balsam apple

苦瓜
Meaning
a bitter gourd vegetable with a bumpy green skin, also known as bitter melon
Example
Balsam apple is cooked with spices to reduce its bitter taste.
苦瓜用香料烹饪，以减少其苦味。
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。
C1 verb /bruːd/

brood

Meaning
to think deeply about something that makes one unhappy; also, a group of young birds hatched at the same time
Example
He sat alone, brooding over his failures.
C1 noun/adjective/verb /bʌf/

buff

影迷 / 打磨
Meaning
A fan or enthusiast; also to polish or shine something.
Example
He is a movie buff who watches films every weekend.
他是一个电影迷，每个周末都看电影。
C1 adjective /ˈbeɪs.ləs/

Baseless

没有根据的; 无根据的; 不合理的
Meaning
without foundation; groundless; unfounded
Example
The accusations against him were completely baseless.
对他的指控完全没有根据。
B2 noun /ˈblʌn.dər/

blunder

一个愚蠢或疏忽的错误；判断中的严重错误。
Meaning
A stupid or careless mistake; a serious error in judgment.
Example
His blunder cost the company a fortune.
他的错误让公司损失了巨大的财富。
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。
C2 verb /bɪˈnʌm/

benumb

使麻木
Meaning
to make physically numb or without sensation; to make mentally dull or insensitive
Example
The freezing wind seemed to benumb his fingers within minutes.
刺骨的寒风几分钟内就使他的手指麻木了。
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。
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 /bɪˈtreɪ/

betray

背叛
Meaning
to be disloyal to; to reveal secrets
Example
He felt betrayed by his closest friend.
他感到被他最亲密的朋友背叛。
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 /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。
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。
C2 noun /bəˈθɪm.ə.tri/

bathymetry

海洋测深学
Meaning
The measurement of depth of water in oceans, seas, or lakes.
Example
Bathymetry is essential for understanding oceanic topography.
海洋测深学对于理解海洋地形至关重要。
B1 noun /ˈbæŋkər/

banker

银行家
Meaning
a person who works in or manages a bank
Example
The banker approved the loan after reviewing the documents.
银行家在审查文件后批准了贷款。