commonwealth
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C1 noun /ˈkɑːmənˌwɛlθ/

commonwealth

英联邦
Meaning
an independent community or state, especially one founded for the common good; also an association of nations
Example
Australia is a member of the Commonwealth of Nations.
澳大利亚是英联邦国家的成员。
C1 noun /ˈkæptər/

captor

劫持者
Meaning
a person or group who has captured someone or something
Example
The hostage managed to escape from his captors.
人质成功从劫持者那里逃脱。
B2 noun /kəˈmɒ.dɪ.tiz/

commodities

商品
Meaning
Raw materials or primary agricultural products that can be bought and sold.
Example
The prices of commodities like oil and gold fluctuate frequently.
像石油和黄金这样的商品价格经常波动。
C2 noun ˈkɑː.dərz

cadres

干部
Meaning
A small group of people specially trained for a particular purpose or profession; a group of activists in a communist or other political organization.
Example
There are 26 cadres under BPSC.
BPSC下有26个干部。
C2 noun /kənˈtraɪ.vəns/

contrivance

装置或计划
Meaning
a device or plan that is cleverly or artificially created
Example
The clock was an intricate contrivance of gears and springs.
这只钟是由齿轮和弹簧组成的复杂装置。
B1 verb /kəˈmɪt/

commit

Meaning
To carry out or perpetrate an act; to pledge or bind to a course of action.
Example
He committed a serious mistake in the report.
B1 noun kəˈmɪt.i

committee

委员会
Meaning
A group of people appointed for a specific function by a larger group.
Example
A 65-member committee was formed.
成立了一个由65人组成的委员会。
C2 verb /ˈkæn.tər/

canter

慢跑
Meaning
To ride a horse at a controlled, easy pace between a trot and a gallop.
Example
She cantered her horse across the field with ease.
她轻松地骑马穿过田野。
A2 verb kriˈeɪts

creates

创造
Meaning
To bring something into existence or to cause something to happen
Example
Pollution creates environmental and health issues.
污染造成环境和健康问题。
A1 noun /kaʊ/

Cow

奶牛
Meaning
a large farm animal kept for milk or meat
Example
The cow produces fresh milk every morning.
奶牛每天早上产鲜牛奶。
B2 adjective /ˈkræŋki/

cranky

脾气暴躁
Meaning
bad-tempered, easily annoyed, or irritable
Example
The child gets cranky when he is hungry.
当孩子饿了时，他会变得脾气暴躁。
C1 verb /tʃaɪd/

chide

斥责
Meaning
to scold or rebuke; to express disapproval
Example
The teacher chided the student for being late.
老师因为学生迟到而训斥了他。
C1 noun kɒɡˈnɪʃ.ən

cognition

认知
Meaning
The mental action or process of acquiring knowledge and understanding through thought, experience, and the senses.
Example
Cognition plays a key role in learning.
认知在学习中起着关键作用。
B1 noun /kluː/

clue

线索
Meaning
a piece of evidence or information used in the detection of a crime or solving a puzzle
Example
The detective found a clue near the window.
侦探在窗户附近找到了线索。
C2 noun ˌkɒmpjʊˈteɪʃənəl kəˌmjuːnɪˈkeɪʃən

computational communication

计算通信
Meaning
Digital exchange and automated interaction; the use of computational methods and systems to facilitate communication and information sharing.
Example
Computational communication is reshaping how we share information.
计算通信正在重塑我们共享信息的方式。
A2 noun /ˈtʃer.i/

Cherry

樱桃
Meaning
a small round red or black fruit with a hard seed inside
Example
She picked fresh cherries from the tree in her garden.
她从花园的树上摘下了新鲜的樱桃。
A2 noun /keɪs/

case

案例 / 情况
Meaning
A particular situation, occurrence, or an instance of something; also a container or covering for something.
Example
In this case, we should wait for further instructions.
在这种情况下，我们应该等待进一步的指示。
B2 verb /ˌkɒmprɪˈhɛnd/

comprehend

理解
Meaning
to understand or grasp the meaning of something
Example
It is difficult to comprehend the scale of the disaster.
理解灾难的规模很困难。
B1 noun /ˈkɒntɛkst/

context

上下文
Meaning
the circumstances or background relevant to an event, statement, or idea
Example
To understand the quote, you need to know the context in which it was said.
要理解这句话，你需要知道它说的上下文。
C1 noun/verb /ˈsaɪ.fər/

cipher

密码
Meaning
A secret or disguised way of writing; a code; to put a message into secret writing.
Example
Military messages are protected using a cipher.
军事消息通过密码保护。
B1 noun /kruː/

crew

船员
Meaning
A group of people working together, especially on a ship, aircraft, or project.
Example
The ship's crew worked tirelessly during the storm.
船员在暴风雨中不知疲倦地工作。
B1 adjective /kəˈlɛktɪd/

collected

冷静
Meaning
calm and in control of oneself
Example
She remained calm and collected during the crisis.
在危机中，她保持冷静和收拾好自己。
C1 noun /kənˈtɪnjuəm/

continuum

连续体
Meaning
A continuous sequence in which adjacent elements are not perceptibly different from each other, but the extremes are quite distinct.
Example
Life and death are often seen as part of the same continuum.
生与死常常被视为同一连续体的一部分。
C1 verb /ˈkæp.saɪz/

capsize

翻覆
Meaning
to overturn in the water
Example
The small fishing boat capsized during the storm.
小渔船在风暴中翻覆。
B2 noun /ˈkɒləni/

colony

殖民地
Meaning
a territory or community controlled by another country or group of people
Example
India was once a British colony.
印度曾是英国的殖民地。
C1 adverb /ˌkɒnfɪˈdenʃəli/

Confidentially

机密地
Meaning
in a confidential manner; secretly; privately
Example
The information was shared confidentially between the two managers.
信息在两个经理之间以机密方式共享。
B2 noun /ˌklærɪfɪˈkeɪʃən/

clarification

澄清
Meaning
The action of making a statement or situation less confused and more clearly comprehensible.
Example
The manager requested clarification on the project details.
经理要求对项目细节进行澄清。
C2 adjective /koʊˈtɜːr.mɪ.nəs/

coterminous

共边
Meaning
having the same boundaries or extent in space, time, or meaning
Example
The two jurisdictions are coterminous, sharing the same borders.
这两个司法管辖区是共边的，共享相同的边界。
B1 noun /kənˈfjuː.ʒən/

Confusion

混乱, 迷惑, 混淆
Meaning
lack of understanding; uncertainty; the state of being bewildered or unclear in one's mind
Example
There was confusion about the meeting time, so half the team arrived late.
关于会议时间存在混淆，因此一半团队迟到了。
C1 noun /kɔːr/

corps

军队分支，团队
Meaning
a branch of the military or a group organized for a specific purpose
Example
He joined the army corps after graduation.
他在毕业后加入了军队分支。
B2 noun /ˈkæt fɪʃ/

Cat fish

鲶鱼
Meaning
a freshwater fish with whisker-like barbels around the mouth, commonly found in ponds and rivers
Example
Catfish is often fried and served with rice in Bengali cuisine.
鲶鱼在孟加拉菜中常被油炸并配米饭。
B1 noun /ˈkɑːr.pən.tər/

Carpenter

木匠
Meaning
a person who makes and repairs wooden objects and structures
Example
The carpenter built a beautiful wooden cabinet for the kitchen.
这位木匠为厨房做了一个漂亮的木质橱柜。
A2 verb /krɒs/

cross

穿越
Meaning
to go from one side to another, or to pass through
Example
We crossed the river using a wooden bridge.
我们通过一座木桥过了河。
B2 noun /koʊl/

coal

煤炭
Meaning
a black or dark brown rock used as fuel, formed from decomposed plant matter
Example
The factory still uses coal as its main source of energy.
工厂仍然将煤炭作为其主要的能源来源。
B2 verb /klæʃ/

clash

碰撞
Meaning
to come into conflict or collision with something or someone.
Example
The two cars clashed in the intersection.
两辆车在交叉路口发生了碰撞。
B2 adjective /ˈkeər.friː/

Carefree

无忧无虑; 轻松愉快;
Meaning
free from anxiety or responsibility; lighthearted; worry-free
Example
She lived a carefree life, traveling the world without any worries.
她过着无忧无虑的生活，环游世界没有任何担忧。
A2 noun /ˈkæs.əl/

Castle

城堡; 宫殿;
Meaning
a large fortified building or set of buildings; a fortress
Example
The medieval castle stood majestically on top of the hill.
中世纪的城堡庄严地矗立在山顶。
B2 adjective /ˌkɒmplɪˈmɛntəri/

complementary

互补的
Meaning
combining in such a way as to enhance or emphasize the qualities of each other
Example
The two partners have complementary skills.
这两个伙伴有互补的技能。
B2 noun /ˈklaɪ.mæks/

Climax

高潮
Meaning
the most intense, exciting, or important point of something; the highest or most intense point in a process
Example
The movie reached its climax during the final battle scene.
电影在最后的战斗场面中达到了高潮。
C2 verb /kəˈvɔrt/

cavort

开心地跳跃
Meaning
to jump or dance around excitedly
Example
The children cavorted happily in the garden.
孩子们在花园里高兴地跳跃。
A1 adjective /tʃiːp/

Cheap

便宜; 低价
Meaning
low in price; costing little money
Example
This restaurant serves cheap but delicious food.
这家餐厅提供便宜但美味的食物。
C2 adjective /ˈkrɛstˌfɔːlən/

crestfallen

沮丧
Meaning
sad and disappointed
Example
He looked crestfallen after hearing the bad news.
听到坏消息后，他看起来沮丧。
C2 adjective /ˈkɑːrpɪŋ/

carping

抱怨
Meaning
continually complaining or finding fault in a petty way
Example
His carping attitude makes teamwork difficult.
他的抱怨态度使团队合作变得困难。
C2 adjective ˈkoʊ.dʒənt

cogent

有说服力的
Meaning
Clear, logical, and convincing.
Example
His cogent argument convinced the jury.
他的有力论点说服了陪审团。
B1 verb /kəmˈbaɪn/

combine

合并
Meaning
To bring two or more things together to form a single unit.
Example
They decided to combine their resources for the project.
他们决定将他们的资源合并到该项目中。
C1 noun /ˈkɜːrlər/

curler

卷发器
Meaning
A small roller used for curling hair.
Example
She used a curler to style her hair for the party.
她用卷发器为派对造型她的头发。
C2 noun ˌsaɪ.bəˈnet.ɪks

cybernetics

控制论
Meaning
The science of communications and automatic control systems in both machines and living things.
Example
Cybernetics plays a crucial role in artificial intelligence.
控制论在人工智能中起着至关重要的作用。
B1 noun /ˈtʃɛərmən/

chairman

幸福
Meaning
the leader or head of a meeting, committee, or organization
Example
The chairman opened the meeting with a short speech.
当她获得奖项时，她无法隐藏自己的幸福。
B1 noun, verb /ˈkɒndʌkt/ (noun), /kənˈdʌkt/ (verb)

conduct

Meaning
to organize or carry out; or a person's behavior
Example
The teacher conducted the exam fairly.
A2 noun; verb /tʃæt/

chat

聊天
Meaning
an informal conversation; to talk in a friendly, informal way
Example
We had a long chat after dinner.
晚饭后我们聊了很久。
C1 adjective ˌkaʊntəprəˈdʌktɪv

counterproductive

适得其反
Meaning
Having the opposite of the desired effect; tending to hinder rather than help.
Example
Counterproductive activities often stem from dissatisfaction.
反生产力的活动通常来源于不满。
B1 noun /koʊm/

Comb

梳子
Meaning
a toothed device for arranging or cleaning the hair
Example
She used a comb to style her hair before the party.
她在派对前用梳子整理了她的头发。
C2 noun /kɒˈkeɪd/

cockade

花结
Meaning
a rosette or knot of ribbon, usually worn on a hat as a badge of office or party
Example
The soldier wore a red cockade on his cap.
士兵戴着一个红色的花结在他的帽子上。
B2 noun /ˈkænən/

Cannon

大炮
Meaning
large heavy gun that fires cannonballs or shells
Example
The castle was defended by several large cannons.
城堡由几门大加农炮保卫。
C1 noun /kæsˈkeɪd/

Cascade

瀑布; 一系列阶段或操作
Meaning
a waterfall; a succession of stages or operations
Example
The mountain cascade created a beautiful natural swimming pool below.
山间瀑布在下面形成了一个美丽的自然游泳池。
A2 noun /ˈkɒnsət/

concert

音乐会
Meaning
A musical performance given by one or more singers or musicians.
Example
We went to a concert last night and enjoyed the live music.
我们昨晚去了一场音乐会，并享受了现场音乐。
B2 adjective ˈkʌtɪŋ ˌɛdʒ

cutting-edge

前沿, 创新, 尖端技术
Meaning
The most advanced or innovative; at the forefront of development.
Example
This company develops cutting-edge technology.
这家公司开发尖端技术。
C2 noun /kənˈsaɪnər/

consignor

发货人
Meaning
a person or company that sends goods to be sold or transported
Example
The consignor shipped the goods to the warehouse.
发货人将商品发送到仓库。
C2 noun/verb /ˈkætˌkɔːl/

catcall

性骚扰或不满的喊声或口哨声
Meaning
A loud whistle or shout of disapproval or sexual harassment directed at someone.
Example
The actress ignored the catcalls from the crowd.
女演员无视人群中的猫叫声。
B1 noun /ˈkɔːrɪdɔːr/

corridor

一条连接多个房间的长通道
Meaning
a long passage in a building from which doors lead into rooms
Example
The students waited quietly in the corridor.
学生们在走廊里安静地等待。
C1 adjective /klæd/

clad

穿戴 / 覆盖
Meaning
dressed or covered in a particular way
Example
The knight was clad in shining armor.
骑士穿戴着闪亮的盔甲。
C1 noun /ˈsɛntɪˌliːtər/

centiliter

Meaning
A metric unit of capacity equal to one hundredth of a liter.
Example
The recipe calls for 20 centiliters of milk.
C1 adjective /ˈkjʊərəbl/

curable

可治愈的
Meaning
Able to be cured or healed.
Example
The doctor assured her that the disease was curable.
医生向她保证，这种疾病是可治愈的。
B2 noun ˌsaɪ.bə.sɪˈkjʊə.rɪ.ti

cybersecurity

网络安全
Meaning
The practice of protecting systems, networks, and programs from digital attacks
Example
Cybersecurity ensures safe digital operations.
网络安全确保数字化运营的安全。
C1 noun /ˈsɪn.ɪˌsɪz.əm/

cynicism

愤世嫉俗
Meaning
An inclination to believe that people are motivated purely by self-interest; skepticism.
Example
His cynicism made it hard for him to trust anyone.
他的愤世嫉俗让他很难相信任何人。
B1 adjective /ˈkəʊstəl/

coastal

沿海
Meaning
relating to or near a coast or shoreline
Example
They built a resort in a coastal area.
他们在沿海地区建造了一个度假村。
C2 noun /ˈkɒntrətɑː̃/

contretemps

意外争执
Meaning
an unexpected and unfortunate event or disagreement; a minor dispute
Example
There was a small contretemps between the two colleagues during the meeting.
会议期间，两位同事之间发生了一个小的意外争执。
B2 adverb /kənˈvɜːrsli/

conversely

相反地
Meaning
in an opposite or contrary manner
Example
He is rich, conversely, his brother struggles financially.
他很富有，相反地，他的兄弟在经济上挣扎。
A1 noun /tʃiːz/

Cheese

奶酪
Meaning
a food made from the pressed curds of milk; used for photography to make people smile
Example
She added grated cheese to the pasta for extra flavor.
她把磨碎的奶酪加到意大利面中，增加了风味。
C1 adjective /ˌkɒnsɪˈkwɛnʃəl/

consequential

重要的
Meaning
Having important or significant consequences; resulting from something.
Example
The meeting was consequential for the future of the project.
这次会议对项目的未来至关重要。
B2 noun /kəmˈpoʊnənt/

component

组件
Meaning
a part or element of a larger whole, especially a machine or system
Example
The engine is the most important component of the car.
引擎是汽车最重要的组件。
C1 noun /krɪpt/

crypt

墓室
Meaning
an underground chamber, especially one beneath a church, used as a burial place
Example
The tourists explored the ancient crypt beneath the cathedral.
游客们探索了大教堂下的古老地下室。
B2 noun /ˈkəʊ.tɪŋ/

coating

涂层
Meaning
A protective or decorative layer applied to a surface.
Example
A protective coating prevents rust formation.
保护涂层可以防止生锈。
C1 adjective /kənˈsɛntrɪk/

concentric

同心的
Meaning
having a common center, as in circles or spheres
Example
The artist drew concentric circles on the canvas.
艺术家在画布上画了同心圆。
A1 noun /ˈkɒf.i/

Coffee

咖啡
Meaning
a hot drink made from roasted coffee beans
Example
I need a cup of coffee to start my morning.
我需要一杯咖啡来开始我的早晨。
C2 noun /ˈtʃælɪs/

chalice

圣杯
Meaning
A large cup or goblet, typically used for drinking wine in religious ceremonies.
Example
The priest lifted the golden chalice during the ceremony.
牧师在仪式中举起了金色的圣杯。
A2 verb /kəmˈpleɪn/

complain

抱怨
Meaning
to express dissatisfaction or annoyance about something
Example
He often complains about the noise in the neighborhood.
他经常抱怨邻里的噪音。
C1 verb /ˈkrɪstəlaɪz/

crystallize

结晶
Meaning
to form crystals; to make an idea or plan clear and definite
Example
Her vague thoughts began to crystallize into a solid plan.
她模糊的思绪开始在一个明确的计划中结晶。
B1 verb /ˈkɒnsəntreɪt/

concentrate

集中
Meaning
to focus all one's attention or mental effort on a particular object or activity
Example
She tried to concentrate on her studies despite the noise.
尽管有噪音，她仍试图集中精力学习。
A2 noun /koʊtʃ/

coach

教练
Meaning
A person who helps improve others' skills or knowledge.
Example
The football coach motivated his team before the match.
足球教练在比赛前激励了他的队伍。
C2 noun ˌsɜːkəmˈspekʃən

circumspection

谨慎, 避免风险
Meaning
The quality of being wary and unwilling to take risks; prudence.
Example
His circumspection ensured no mistakes were made.
他的谨慎确保没有犯错误。
B2 noun /ˈkrɪtɪk/

critic

评论家
Meaning
A person who judges the merits of something, especially art or literature
Example
The film critic praised the director's latest movie.
电影评论家赞扬了导演的最新电影。
B2 adjective /kəmˈpʌlsəri/

compulsory

强制性
Meaning
Required by law or a rule; obligatory.
Example
Wearing seat belts is compulsory in most countries.
在大多数国家，佩戴安全带是强制性的。
C2 noun /ˌkɛəriˈætɪd/

caryatid

雕刻的女性形象柱子
Meaning
A stone carving of a draped female figure, used as a supporting column in architecture.
Example
The ancient temple featured a caryatid holding up the roof.
古老的寺庙里有一个凯瑞亚蒂德支撑着屋顶。
A2 verb /kənˈsɪdər/

consider

考虑
Meaning
to think carefully about something, especially before making a decision
Example
She is considering studying abroad next year.
她正在考虑明年出国留学。
C1 verb /kəmˈprɛs/

compress

压缩
Meaning
to press or squeeze something so that it becomes smaller
Example
The file was compressed to save storage space.
文件被压缩以节省存储空间。
C2 adjective /ˈsɪlieɪtɪd/

ciliated

带有纤毛的
Meaning
Having minute hairlike projections (cilia) on the surface of cells or organisms.
Example
The ciliated cells in the respiratory tract help move mucus out of the lungs.
呼吸道中的纤毛细胞帮助将粘液排出肺部。
A2 noun /ˈkʌl.tʃər/

Culture

文化
Meaning
the arts and other manifestations of human intellectual achievement; the customs and beliefs of a particular society
Example
Learning about different cultures helps us understand and appreciate diversity.
学习不同的文化帮助我们理解和欣赏多样性。
C2 noun /ˈklɪpər/

clipper

理发器 / 19世纪快速航行的船只
Meaning
a tool used for cutting, or a fast sailing ship of the 19th century
Example
The barber used clippers to trim his hair.
理发师用理发器修剪了他的头发。
B2 noun ˈkɔːrəl ˈriːfs

Coral Reefs

珊瑚礁
Meaning
Underwater structures made from calcium carbonate secreted by corals, forming diverse marine ecosystems.
Example
Saint Martin's Island is known for its coral reefs.
圣马丁岛以其珊瑚礁而闻名。
B2 verb kəˈlæbəreɪt

collaborate

合作
Meaning
To work jointly with others, especially in an intellectual endeavor; cooperate.
Example
Volunteers often collaborate with local organizations.
志愿者经常与当地组织合作。
B1 noun /kəˈsiːnoʊ/

casino

赌场
Meaning
a place where people gamble and play games of chance
Example
They spent the evening playing cards at the casino.
他们在赌场度过了晚上，玩扑克牌。
C2 noun /kænˈtɑː.tə/

cantata

康塔塔
Meaning
A vocal composition with instrumental accompaniment, typically in several movements, often involving a choir.
Example
The choir performed a beautiful cantata during the festival.
合唱团在节日期间演唱了美丽的康塔塔。
C2 adjective /ˈtʃɜːrlɪʃ/

churlish

粗鲁
Meaning
Rude in a mean-spirited and surly way.
Example
It would be churlish to refuse her kind invitation.
拒绝她亲切的邀请将是粗鲁的。
B2 adjective /kəʊˈhɪə.rənt/

coherent

连贯
Meaning
Logical and consistent; forming a unified whole; clear and easy to understand.
Example
His speech was clear and coherent.
他的演讲清晰且连贯。
C2 noun /ˈkærəm/

Carom

孜然
Meaning
aromatic seeds of a plant used as a spice, especially in Indian cooking
Example
Carom seeds are often used in traditional Indian bread recipes.
孜然种子经常用于传统的印度面包食谱中。
B1 noun /ˈker.ləs.nəs/

Carelessness

疏忽; 粗心
Meaning
failure to give sufficient attention to avoiding harm or errors
Example
His carelessness with money led to serious financial problems.
他在金钱上的疏忽导致了严重的财务问题。
C2 noun /ˌkɒntrəpəˈzɪʃən/

contraposition

对立面
Meaning
the act of placing two things in opposition for contrast or comparison
Example
The contraposition of the two theories highlighted their differences.
两种理论的对立面突出了它们的差异。
C2 noun /ˈʃɑːrlətən/

charlatan

江湖郎中
Meaning
a person who pretends to have knowledge or skills that they do not really possess; a fraud
Example
The so-called healer was exposed as a charlatan.
那位自称为治愈者的人被揭露为一个江湖郎中。
B2 noun /ˈkænjən/

canyon

峡谷
Meaning
A deep gorge, typically one with a river flowing through it.
Example
The Colorado River carved the Grand Canyon over millions of years.
科罗拉多河在数百万年间雕刻了大峡谷。
C1 adjective /kəmˈpʌlsɪv/

compulsive

强迫的
Meaning
Resulting from or acting on an irresistible urge, especially one that is against one's conscious wishes.
Example
He is a compulsive gambler who cannot stop placing bets.
他是一个强迫症赌博者，无法停止下赌注。
C2 noun /ˈsɪniæst/

cineast

电影迷
Meaning
A film enthusiast or filmmaker; a person deeply interested in cinema.
Example
As a true cineast, she spends most weekends watching classic films.
作为一位真正的电影迷，她大多数周末都在看经典电影。
C2 verb /kənˈdʒɔɪn/

conjoin

联合
Meaning
to join together or unite; to combine
Example
The two rivers conjoin just before reaching the sea.
两条河流在到达大海之前汇合。
C1 adjective /ˈtʃɛkərd/

chequered

棋盘格的
Meaning
Having a pattern of squares, or marked by varied and contrasting experiences or periods.
Example
He had a chequered career with both great successes and failures.
他有一段棋盘格的职业生涯，既有巨大的成功，也有失败。
C1 adjective /kənˈvɜːrdʒənt/

convergent

汇聚的
Meaning
tending to move toward a common point or result
Example
The two rivers have a convergent path before entering the lake.
这两条河流在进入湖泊之前有一条汇聚路径。
A2 noun /ˈkʌzn/

cousin

堂兄/堂弟/表兄/表弟
Meaning
A child of one's uncle or aunt.
Example
My cousin is coming to visit us this weekend.
我的堂兄这个周末要来拜访我们。
A1 adjective /kuːl/

cool

冷静, 凉爽, 印象深刻
Meaning
moderately cold; calm and composed; fashionable or impressive
Example
She kept a cool head during the crisis.
她在危机中保持冷静。
B2 adjective /ˌkɑː.di.əʊˈvæs.kjʊ.lər/

cardiovascular

与心脏和血管相关的
Meaning
Relating to the heart and blood vessels.
Example
Regular exercise improves cardiovascular health.
定期锻炼有助于改善心血管健康。
B2 noun /kəˈlɪʒ.ən/

Collision

碰撞; 冲突
Meaning
an instance of one moving object hitting violently against another; a conflict of opposing ideas or interests
Example
The collision between two cars caused a major traffic jam.
两辆车之间的碰撞造成了严重的交通堵塞。
C1 noun /ˈkjuːmɪn/

Cumin

孜然
Meaning
A spice made from the dried seeds of a plant in the parsley family, with a warm earthy flavor
Example
Cumin is an essential spice in Indian and Middle Eastern cooking.
孜然是印度和中东烹饪中的一种基本香料。
C1 noun /ˈkrɛvɪs/

crevice

裂缝
Meaning
a narrow crack or opening, especially in a rock or wall
Example
The lizard hid in a crevice between the stones.
蜥蜴藏在石头之间的裂缝中。
B1 noun ˈklaɪ.mət tʃeɪndʒ

climate change

气候变化
Meaning
A change in global or regional climate patterns, attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.
Example
Climate change is causing more natural disasters.
气候变化正在引发更多自然灾害。
C1 noun /kənˈdəʊləns/

condolence

慰问
Meaning
An expression of sympathy, especially on the occasion of death.
Example
She offered her sincere condolence to the grieving family.
她向悲痛的家庭表示了最真诚的慰问。
B2 adjective, noun /ˈkɑːmənpleɪs/

commonplace

常见的
Meaning
ordinary or unremarkable; something that is usual or commonly found
Example
Smartphones have become commonplace in modern life.
智能手机已成为现代生活中的常见事物。
C1 noun /kliːk/

clique

小圈子
Meaning
a small, exclusive group of people
Example
The students formed a clique that excluded others.
学生们组成了一个排外的小圈子。
C1 noun /kənˈtentmənt/

contentment

满足感
Meaning
a state of happiness and satisfaction with what one has
Example
She felt a deep sense of contentment after helping others.
帮助他人之后，她感到深深的满足感。
B2 noun ˌkɒm.prɪˈhɛn.ʃən

comprehension

理解
Meaning
The ability to understand something; understanding or grasp of knowledge.
Example
Reading improves vocabulary and comprehension skills.
阅读提高词汇量和理解能力。
C1 verb/noun /ˈkrɒn.ɪ.kəl/

chronicle

按照事件发生的顺序记录
Meaning
To record events in the order in which they happened; a written record of historical events.
Example
She decided to chronicle her journey through a blog.
她决定通过博客记录她的旅行。
C2 adjective /kəˈkɒfənəs/

cacophonous

刺耳的声音
Meaning
Producing a harsh, discordant mixture of sounds.
Example
The cacophonous sounds of the city kept her awake all night.
城市的刺耳声音让她整晚都无法入睡。
B2 adverb /ˈkæʒ.u.ə.li/

Casually

随便地; 放松且非正式的方式
Meaning
in a relaxed and informal way; without much thought or preparation
Example
He casually mentioned that he was leaving.
他随便提到他要走了。
C2 adjective /sɛnˈsɔːriəs/

censorious

过分挑剔
Meaning
severely critical of others
Example
She was always censorious about her colleagues' mistakes.
她总是对同事们的错误非常挑剔。