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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 /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。
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。
C2 adjective /ˈbæti/

batty

疯狂
Meaning
crazy or eccentric in behavior
Example
The old man down the street is a bit batty but harmless.
街上的老人有点疯狂，但无害。
B1 noun /bɪˈliːf/

Belief

信念; 信任
Meaning
confidence in the truth or existence of something; trust or faith
Example
His belief in justice never wavered.
他对正义的信念从未动摇。
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。
A2 noun/verb /ˈbætəl/

battle

战斗
Meaning
A fight between armed forces or a struggle to achieve or resist something.
Example
The soldiers prepared for the final battle.
士兵们为最后的战斗做好了准备。
B2 noun, verb /bʌt/

butt

Meaning
to hit or push with the head or horns; the end part of something, especially a cigarette
Example
The goat butted the fence with its horns.
A1 verb /baɪ/

buy

买
Meaning
to get something by paying money for it; to purchase
Example
I want to buy a new car this year.
我今年想买一辆新车。
A2 verb /bɛɡ/

beg

乞求
Meaning
to ask for something earnestly; to request humbly
Example
The child begged for a new toy.
孩子请求了一个新玩具。
C1 preposition /ˈbɑːrɪŋ/

barring

除非，除了
Meaning
except for; if not for
Example
Barring a miracle, the team will not win the championship.
除非有奇迹发生，否则团队将无法赢得冠军。
A1 adjective /bɪɡ/

big

大
Meaning
large in size, extent, or importance
Example
They moved into a big house with plenty of space.
他们搬进了一座大房子，那里有很多空间。
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。
B1 adjective /bɔɪld/

Boiled

煮熟的
Meaning
cooked in boiling water
Example
She served boiled eggs for breakfast.
她早餐时提供了煮鸡蛋。
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。
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。
B2 verb/noun /buː/

boo

Meaning
To show disapproval by shouting 'boo'; or a sound made to surprise or scare.
Example
The audience began to boo the bad performance.
C1 noun/verb /ˈbɔɪ/ or /ˈbuːi/

buoy

浮标, 保持漂浮
Meaning
A floating marker on water; to keep something afloat or encourage someone.
Example
The news buoyed their spirits after the loss.
新闻在失落后提升了他们的精神。
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。
B2 noun /buˈkeɪ/

Bouquet

花束
Meaning
an attractively arranged bunch of flowers, especially one presented as a gift or carried at a ceremony
Example
The bride carried a beautiful bouquet of white roses down the aisle.
新娘携带着美丽的白玫瑰花束走过过道。
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。
B2 adverb /ˈbrɔːdli/

broadly

广泛地
Meaning
in a general or wide manner.
Example
The rules are broadly similar across all regions.
规则在所有地区大体相似。
A1 noun /bæɡ/

bag

包
Meaning
a container made of flexible material, used for carrying items
Example
She carried her books in a bag.
她把书放在包里。
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 /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。
C2 adjective /bɪˈnaɪtɪd/

benighted

黑暗的，无知的
Meaning
In a state of intellectual or moral ignorance; overtaken by darkness.
Example
The explorers were lost in the benighted forest without any guide.
探险者在没有向导的情况下迷失在黑暗的森林中。
C1 adjective /bɪˈleɪtɪd/

belated

迟到的
Meaning
coming or happening later than expected or usual
Example
She sent me a belated birthday card.
她寄给我一张迟到的生日卡。
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 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。
B2 noun ˈbaɪ.əs

bias

偏见, 偏袒
Meaning
Prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair.
Example
The judge must remain free from bias.
法官必须保持公正。
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.
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。
B1 verb /beɪð/

bathe

洗澡
Meaning
to wash oneself; to clean the body with water
Example
I bathe every morning before going to work.
我每天早上上班前洗澡。
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。
A1 verb (past participle of 'bear'), adjective /bɔːrn/

born

出生
Meaning
To come into life; brought into existence.
Example
He was born in Dhaka in 1995.
他于1995年在达卡出生。
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 /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 /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？
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。
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。
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。
B2 noun /biːk/

Beak

鸟嘴
Meaning
the hard pointed part of a bird's mouth
Example
The eagle has a sharp beak for tearing meat.
鹰有一个锋利的鸟嘴来撕裂肉。
C2 noun /ˈbɛnɪsən/

benison

祝福
Meaning
A blessing or benefit.
Example
The rain was a benison for the drought-stricken farmers.
这场雨对受旱灾影响的农民来说是一种祝福。
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 adjective /ˈbed.rɪd.ən/

Bedridden

卧床不起
Meaning
confined to bed; unable to leave one's bed due to illness or infirmity
Example
The elderly man has been bedridden for several months.
这位年长的男士已经卧床不起好几个月了。
C1 noun /bəˈrɑːʒ/

barrage

弹幕或快速攻击
Meaning
a concentrated outpouring of questions, criticisms, or blows; a rapid, continuous attack
Example
The politician faced a barrage of tough questions from reporters.
政治家面对记者们一连串尖锐的问题。
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 /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。
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。
A2 verb /bæt/

bat

用球棒打
Meaning
to hit with a bat; to flutter eyelids
Example
She bats her eyelashes flirtatiously.
她调皮地眨着眼睛。
B1 verb /ˈbɔːrdɪŋ/

boarding

登机
Meaning
Getting on or into a ship, aircraft, or other vehicle.
Example
The explorers were boarding the ship at the port.
探险者们正在港口登船。
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。
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。
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。
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 adjective /bɒmˈbæstɪk/

bombastic

浮夸
Meaning
using pompous or inflated language with little meaning
Example
The professor’s bombastic lecture impressed no one.
教授那场浮夸的讲座没有给任何人留下深刻印象。
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。
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。
C2 verb /ˈbleɪzən/

blazon

展示
Meaning
to display prominently or vividly
Example
The slogan was blazoned across the banner in bold letters.
该标语用粗体字显示在横幅上。
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。
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 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。
A1 verb /bɪˈliːv/

believe

相信
Meaning
to think that something is true; to have faith in
Example
I believe in hard work and dedication.
我相信努力工作和奉献。
A2 verb /baɪt/

bite

咬
Meaning
to cut with teeth; to have a sharp effect
Example
The dog might bite if it feels threatened.
那只狗可能会咬，如果它感到受到威胁。
C1 adjective /ˈboʊɡəs/

bogus

伪造的
Meaning
false, fake, or not genuine
Example
The police arrested him for using a bogus ID card.
警方因他使用伪造的身份证而逮捕了他。
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 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。
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 adjective /ˈbɛndi/

bendy

柔韧的
Meaning
Easily curved or flexible.
Example
The bendy straw made it easier to drink from the cup.
弯曲的吸管使得从杯子里喝水更加容易。
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。
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。
B2 noun/verb /bʌk/

buck

Meaning
A male deer; also to resist or oppose strongly.
Example
The horse began to buck wildly as the rider tried to hold on.
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。
C2 noun brəˈvɑː.dəʊ

bravado

虚假的勇气或信心
Meaning
Show of courage or confidence that is not real.
Example
His bravado masked his nervousness before the performance.
他的虚张声势掩盖了他在表演前的紧张情绪。
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。
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。
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。
A1 noun /ˈbrek.fəst/

Breakfast

早餐
Meaning
the first meal of the day, usually eaten in the morning
Example
I had cereal and toast for breakfast this morning.
今天早上我吃了麦片和烤面包作为早餐。
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。
B2 noun /ˈbɒmɪŋ/

bombing

轰炸
Meaning
an attack using bombs or explosives
Example
The city was devastated by the bombing.
这座城市在轰炸中被摧毁。
B1 adverb /ˈbriːf.li/

Briefly

简要地
Meaning
in a short and clear way; for a short time
Example
Please explain the problem briefly.
请简要解释问题。
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。
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。
C1 noun /bɑːrb/

barb

刺, 尖锐的评论
Meaning
a sharp projection such as on a fishhook; a cutting remark
Example
The fishhook has a small barb to keep the fish from escaping.
鱼钩上有一个小刺，以防止鱼逃脱。
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。
C2 verb /bɪˈfaʊl/

befoul

污染
Meaning
to make dirty or polluted; to disgrace or corrupt
Example
The factory waste befouled the river.
工厂废物污染了河流。
C1 verb /blɜːrt/

blurt

突然说出
Meaning
to say something suddenly without thinking
Example
He blurts out the secret accidentally.
他不小心说出了秘密。
C1 noun /ˈbɜːrθraɪt/

birthright

出生权利
Meaning
A privilege or possession that a person has from birth.
Example
Freedom is considered a birthright of every individual.
自由被认为是每个人的出生权利。
A2 adverb /bɪˈsaɪdz/

Besides

此外
Meaning
in addition to; moreover; furthermore
Example
Besides being smart, he is also kind.
除了聪明，他还很友好。
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.
A2 noun /bɒs/

boss

老板
Meaning
a person who is in charge of a worker, group, or organization
Example
Her boss gave her a new project to complete.
她的老板给她分配了一个新的项目来完成。
C1 adjective /ˈbreɪzən/

brazen

Meaning
Bold and without shame; shameless.
Example
She made a brazen attempt to lie in front of everyone.
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。
B2 adjective /ˌbaɪəʊdɪˈɡreɪdəbl/

biodegradable

可生物降解的
Meaning
Capable of being decomposed by natural biological processes, typically by bacteria or other living organisms, without causing harm to the environment.
Example
Biodegradable materials break down naturally without harming the environment.
可生物降解的材料自然分解，不会对环境造成伤害。
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 /ˈbrɔːni/

brawny

强壮的
Meaning
Physically strong and muscular.
Example
The brawny man lifted the heavy box with ease.
那位强壮的男子轻松地举起了沉重的盒子。
B1 noun /bʊʃ/

bush

灌木丛
Meaning
a plant with many small branches growing close to the ground; a shrub
Example
A rabbit was hiding under the bush.
一只兔子藏在灌木丛下。
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。
B2 verb /ˈbrɪdʒɪŋ/

bridging

建设桥梁，建立连接
Meaning
The action of building a bridge over something; connecting or reducing the distance between two things.
Example
The new initiative is bridging the gap between urban and rural development.
新举措正在缩小城市与乡村发展的差距。
C1 noun /brɪˈɡeɪd/

brigade

消防队
Meaning
A large group of people organized for a specific purpose, especially a military unit.
Example
The fire brigade arrived quickly to put out the flames.
消防队迅速赶来扑灭火焰。
B2 noun /ˈbroʊ.kər/

Broker

经纪人
Meaning
a person who buys and sells goods or assets for others; an intermediary
Example
The stock broker helped me invest my money wisely.
股票经纪人帮助我明智地投资我的钱。
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。
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。
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。
C2 noun /ˈbæs.tərd tiːk/

Bastard teak

黄花檀
Meaning
A flowering tree with bright orange-red flowers, also known as flame of the forest
Example
The bastard teak tree blooms with vibrant orange flowers in spring.
黄花檀树在春天开出鲜艳的橙色花朵。
A1 adjective /ˈbɪɡɪst/

biggest

最大的
Meaning
largest in size, amount, degree, or importance; superlative form of big
Example
This is the biggest challenge we have ever faced.
这是我们面临过的最大挑战。
C2 adjective /ˈbɪbjələs/

bibulous

醉鬼
Meaning
Excessively fond of drinking alcohol.
Example
His bibulous habits worried his family.
他的醉鬼习惯让他的家人很担心。
C2 adjective /ˈbʌsti/

busty

胸部丰满的
Meaning
having a large or full bust; describing a woman with a prominent chest
Example
The actress was often described as busty in fashion magazines.
这位女演员在时尚杂志中常被形容为胸部丰满的。
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。
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 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。
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。
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。
A2 noun /bɪl/

Bill

鸟嘴
Meaning
the beak of a bird, especially when it is broad and flat
Example
The duck used its bill to filter food from the water.
那只鸭子用它的喙从水中过滤食物。
A1 verb /biː/

be

是
Meaning
To exist, to occur, or to have a particular quality.
Example
She wants to be a doctor.
她想成为一名医生。
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。
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。
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。
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 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。
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。