Certainty
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B2 noun /ˈsɜːr.tən.ti/

Certainty

确定性
Meaning
firm conviction that something is the case; the quality of being reliably true
Example
We can say with certainty that the project will be completed on time.
我们可以确定地说，项目将按时完成。
B1 noun /ˈsɜːrkəmstæns/

circumstance

情况
Meaning
a fact or condition connected with an event or action
Example
She handled the difficult circumstances bravely.
她勇敢地应对了困难的情况。
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。
A1 verb, noun /kraɪ/

cry

Meaning
To shed tears as an expression of emotion such as sadness or pain; also a loud call or shout.
Example
The baby began to cry when she was hungry.
C1 verb /kəˈrəʊd/

corrode

腐蚀
Meaning
to gradually destroy or wear away metal or other materials through chemical action
Example
The iron pipes corroded over time due to exposure to water.
铁管因暴露在水中而随着时间的推移而腐蚀。
C1 verb /kliːv/

cleave

劈开, 切割
Meaning
to split or divide; to cut through forcefully
Example
He used an axe to cleave the wood.
他用斧头劈开木材。
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。
C1 noun /ˈkɜːrfjuː/

curfew

宵禁
Meaning
a rule requiring people to stay indoors after a certain time, usually at night
Example
The city imposed a curfew during the unrest.
城市在骚乱期间实施了宵禁。
B2 verb /kreɪv/

crave

渴望, 强烈的欲望
Meaning
to have a strong desire for something
Example
She craves adventure and often travels to remote places.
她渴望冒险，并经常前往偏远的地方。
C1 noun /kənˈfɔːrmɪst/

conformist

盲从者
Meaning
A person who uncritically conforms to established practices or standards.
Example
She was labeled a conformist for always following the crowd.
她因为总是跟随人群而被贴上了盲从者的标签。
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 verb /kəmˈpɔːrt/

comport

表现
Meaning
to behave or conduct oneself in a particular way
Example
She comported herself with grace during the ceremony.
她在仪式中优雅地表现自己。
C1 verb /ˈkəʊ.dɪ.faɪ/

codify

编码
Meaning
to arrange laws, rules, or ideas into a clear and systematic code
Example
The committee worked to codify the existing laws.
委员会致力于编码现有的法律。
B1 adjective /ˈtʃɪli/

chilly

寒冷
Meaning
uncomfortably or unpleasantly cold
Example
It was a chilly morning in December.
十二月的早晨很寒冷。
B2 noun /ˌkɒrəˈleɪʃən/

correlation

相关
Meaning
a mutual relationship or connection between two or more things
Example
Researchers found a strong correlation between diet and heart disease.
研究人员发现饮食与心脏病之间有着强烈的相关性。
C1 noun /kəˈmændər ɪn tʃiːf/

Commander-in-chief

最高指挥官
Meaning
the supreme leader of a nation's armed forces
Example
The president serves as the commander-in-chief of the military.
总统担任军队的最高指挥官。
C1 verb /kriːk/

creak

发出高音尖锐的吱吱声
Meaning
to make a high-pitched, squeaking noise when moved
Example
The old door creaked as she opened it.
那扇旧门在她打开时发出了咯吱声。
B2 noun /ˌkɒmplɪˈkeɪʃən/

complication

并发症
Meaning
A problem or difficulty that makes a situation harder to deal with.
Example
His illness led to serious complications after surgery.
他的病情在手术后导致了严重的并发症。
B2 verb /siːs/

cease

停止
Meaning
to bring or come to an end; to stop doing something
Example
The noise ceased as soon as the children went inside.
噪音一旦孩子们进去了就停止了。
A2 noun, verb /kəˈrɪər/

career

职业 / 事业
Meaning
As a noun: a person’s course of professional life; as a verb: to move swiftly and in an uncontrolled way.
Example
She built a successful career in medicine.
她在医学领域建立了一个成功的职业生涯。
A1 noun /ˈkæm.rə/

camera

Meaning
a device used for taking photographs or recording videos
Example
She bought a new camera for her photography class.
C2 noun /kəˈlɒsəs/

colossus

巨人
Meaning
A person or thing of enormous size, importance, or ability.
Example
Einstein was a colossus in the world of science.
爱因斯坦是科学界的巨人。
A2 noun /ˈsen.tʃər.i/

Century

世纪; 百年
Meaning
a period of one hundred years; a score of one hundred in cricket
Example
The ancient castle has stood for more than five centuries.
这座古老的城堡已经屹立了五个世纪。
B2 noun kəˌlæbəˈreɪʃən

collaboration

合作
Meaning
The action of working with someone to produce or create something
Example
International collaboration is necessary to fight pollution.
国际合作是对抗污染所必需的。
C2 adjective /ˈkɔːpjʊlənt/

corpulent

肥胖的, 胖
Meaning
fat or obese; having a large bulky body
Example
The corpulent man struggled to fit into the small chair.
那个肥胖的男人努力地坐进了小椅子。
B2 noun /kəmˈplɛksɪti/

complexity

复杂性
Meaning
The state of being complex; intricacy.
Example
The complexity of the problem required a team of experts.
问题的复杂性要求一支专家团队。
B1 noun kəˈmjuːnɪti ˈprəʊɡræmz

Community Programs

社区项目
Meaning
Organized activities involving local groups to promote environmental conservation.
Example
Community programs raise awareness about butterfly conservation.
社区项目提高了人们对蝴蝶保护的意识。
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。
B2 noun /ˈkæs.ər.oʊl bɑːks/

Casserole box

砂锅盒
Meaning
a covered dish used for cooking and serving food, especially baked dishes
Example
The casserole box kept the food warm during the dinner party.
砂锅盒在晚宴上保持食物温暖。
A2 noun /ˈkloʊðɪŋ/

clothing

衣服
Meaning
items worn to cover the body; apparel collectively
Example
Warm clothing is essential in winter.
冬天，保暖衣物是必不可少的。
B1 noun /kraʊn/

Crown

王冠
Meaning
a circular ornamental headdress worn by a monarch as a symbol of authority
Example
The queen wore a magnificent crown during the coronation ceremony.
女王在加冕仪式上戴着一顶华丽的王冠。
C2 noun /kəˈpærɪsən/

caparison

马的装饰覆盖物；华丽且精致的衣物或装饰
Meaning
an ornamental covering for a horse; rich and elaborate clothing or decoration
Example
The king’s horse was adorned with a golden caparison.
国王的马装饰着金色的马披。
C2 noun /ˌkæl.sɪ.fɪˈkeɪ.ʃən/

calcification

钙化
Meaning
The process of calcium accumulation in soil, making it hard.
Example
Calcification reduces soil permeability and affects crop growth.
钙化减少了土壤的渗透性，并影响作物的生长。
B2 noun /ˈkɒk.roʊtʃ/

Cockroach

蟑螂
Meaning
a flat brown insect that is commonly found in kitchens and other warm places
Example
A cockroach ran across the kitchen floor quickly.
一只蟑螂迅速地跑过厨房的地板。
C1 verb /ˈkɒnskrɪpt/

conscript

强迫某人参军
Meaning
to force someone into military service
Example
The government conscripted young men during the war.
政府在战争期间征召了年轻人。
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。
B2 noun ˈkæp.ɪ.təl.ɪ.zəm

capitalism

资本主义
Meaning
An economic system where trade, industry and production are privately owned and operated for profit.
Example
Capitalism encourages innovation and competition.
资本主义鼓励创新和竞争。
B2 noun ˌkɒn.fɪ.den.ʃiˈæl.ɪ.ti

confidentiality

保密性
Meaning
The state of keeping or being kept secret or private
Example
Confidentiality is crucial in data security.
保密性对数据安全至关重要。
B2 adjective ˌkɑː.bən ˈnjuː.trəl

carbon-neutral

碳中和
Meaning
Having a balance between emitting carbon and absorbing carbon from the atmosphere; not adding to overall carbon emissions.
Example
The company aims to be carbon-neutral by 2030.
该公司计划在2030年实现碳中和。
B1 noun kəˈmɪt.mənt

commitment

承诺
Meaning
A promise or firm decision to do something; the state or quality of being dedicated to a cause or activity.
Example
The president reaffirmed his commitment to environmental protection.
总统重申了他对环境保护的承诺。
C1 adjective /ˈkɑːr.di.æk/

cardiac

心脏的
Meaning
Relating to the heart.
Example
The patient was admitted with a cardiac condition.
病人因心脏病情被收治。
A2 noun /ˈsɛlˌfoʊn/

cellphone

手机
Meaning
a portable telephone that uses a cellular network for wireless communication
Example
She forgot her cellphone at home and couldn’t call anyone.
她把手机忘在家里了，没法给任何人打电话。
C2 noun /ˈkoʊdə/

coda

尾声
Meaning
the concluding passage of a piece of music or a literary work
Example
The novel ends with a reflective coda that ties up the themes.
这部小说以一段反思性的尾声结束，将主题联系起来。
B2 noun /ˈkʌlprɪt/

culprit

罪犯
Meaning
a person who is responsible for a crime or misdeed
Example
The police caught the culprit behind the robbery.
警察抓住了抢劫案背后的罪犯。
B2 verb /saɪt/

cite

引用
Meaning
to quote; to mention as an example or proof
Example
The lawyer cites relevant case law.
律师引用相关案例法。
C2 noun /ˈʃɛvrən/

chevron

V形符号
Meaning
A V-shaped pattern, often used in military insignia or design.
Example
The sergeant’s uniform displayed three chevrons on the sleeve.
军士的制服上显示了三条雪佛龙标记。
B1 noun /kəʊˌɒp.ərˈeɪ.ʃən/

cooperation

合作
Meaning
The process of working together to the same end.
Example
Cooperation ensures effective problem-solving.
合作确保有效的问题解决。
B1 adjective /ˈtʃælɪndʒɪŋ/

challenging

具有挑战性的
Meaning
difficult in a way that tests one's abilities
Example
The mountain climb was challenging but rewarding.
爬山是具有挑战性的，但也是有回报的。
B1 verb /kənˈsuːm/

consume

吃，喝，消费
Meaning
to eat or drink; to use up; to destroy completely
Example
We consume a lot of water during summer.
我们夏天消耗很多水。
A1 noun /kæn/

Can

罐头
Meaning
a metal container for food or drink
Example
I opened a can of soup for lunch.
我打开了一个午餐用的汤罐头。
B2 noun /kraɪst/

christ

基督
Meaning
the title given to Jesus, considered the Messiah in Christianity
Example
Christ is central to Christian faith.
基督是基督教信仰的核心。
C2 verb /ˈkælsɪfaɪ/

calcify

通过钙盐沉积变硬
Meaning
To harden by deposition of calcium salts; to become rigid or inflexible.
Example
Over time, the tissue began to calcify and lose flexibility.
随着时间的推移，组织开始钙化并失去柔韧性。
B2 verb /ˈkaʊnsəl/

counsel

咨询
Meaning
to give professional advice or guidance to someone
Example
The teacher counseled the students on their career choices.
老师为学生们提供了关于他们职业选择的建议。
B1 noun /ˈkæbɪn/

cabin

小屋
Meaning
a small shelter or house, often made of wood in a remote area
Example
They spent the weekend in a cozy cabin in the mountains.
他们在山中的一个舒适小屋里度过了周末。
C2 noun /ˌkɔːrnjuˈkoʊpiə/

cornucopia

某物的丰盈或溢出的供应
Meaning
an abundance or overflowing supply of something
Example
The festival offered a cornucopia of fruits and sweets.
节日提供了丰盛的水果和糖果。
A2 noun /ˈkɒmədi/

comedy

喜剧
Meaning
A type of entertainment that is intended to make people laugh.
Example
We watched a hilarious comedy at the theater.
我们在剧院看了一场有趣的喜剧。
B2 noun /ˌkrɛd.ɪˈbɪl.ɪ.ti/

credibility

可信度
Meaning
The quality of being trusted and believed in; trustworthiness.
Example
His credibility as a leader remains unquestioned.
他作为领导者的可信度无可争议。
C1 verb /ˌkɒntrəˈviːn/

contravene

违背
Meaning
to go against or act in opposition to a law, rule, or agreement
Example
He contravened the safety regulations and was fined.
他违反了安全规定并被罚款。
C2 noun /koʊˈæɡjələnt/

coagulant

凝血剂
Meaning
a substance that causes blood or another liquid to clot
Example
The doctor applied a coagulant to stop the bleeding quickly.
医生使用了凝血剂来迅速止血。
B2 noun /ˈkaʊn.səl.ɪŋ/

counselling

心理咨询
Meaning
the process of giving professional guidance and support to help someone deal with personal, social, psychological, or career-related problems
Example
She decided to seek counselling to manage stress and anxiety.
她决定通过心理咨询来缓解压力。
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。
C2 verb /kənˈvoʊk/

convoke

召集
Meaning
to call together or summon a meeting or assembly
Example
The committee convoked an emergency session to discuss the crisis.
委员会召集了紧急会议讨论危机。
C2 noun /ˈtʃænsəri/

chancery

大法官法院
Meaning
A court of equity or the office of a chancellor.
Example
The case was taken to the chancery court for resolution.
此案件已提交至大法官法院以求解决。
A2 noun /kɔɪnz/

coins

硬币
Meaning
Flat, typically round pieces of metal issued by a government as money.
Example
He collected old coins from different countries.
他收集了来自不同国家的旧硬币。
B2 noun /ˈtʃeɪmbər/

chamber

房间
Meaning
a large room used for formal or public events, or a private room.
Example
The king held meetings in his private chamber.
国王在他的私人房间里举行会议。
C1 noun /ˌkɒn.stəˈleɪ.ʃən/

constellation

星座
Meaning
a group of stars forming a recognizable pattern in the night sky
Example
Orion is one of the most famous constellations.
猎户座是最著名的星座之一。
B2 noun/verb /ˈtʃɑːrtər/

charter

包机 / 租赁
Meaning
a written document granting rights or privileges; to hire a vehicle or vessel for temporary use
Example
The company decided to charter a bus for the trip.
公司决定为旅行租用一辆巴士。
B2 adjective + noun kriˈeɪtɪv ɪɡˈzɪbɪts

creative exhibits

创意展览
Meaning
Artistic displays or presentations that show originality and imagination.
Example
The creative exhibits highlighted recycling possibilities.
创意展览突出了回收的可能性。
B1 noun /ˈkæp.ɪ.təl/

Capital

首都; 资本; 财富
Meaning
the most important city or town of a country or region; wealth in the form of money or assets
Example
Paris is the capital of France and also a major financial capital.
巴黎是法国的首都，也是一个重要的金融中心。
B2 adjective /ˈkrɛd.ɪ.bəl/

credible

可信的
Meaning
able to be believed; convincing
Example
Her explanation was credible enough to convince the committee.
她的解释足够可信，能够说服委员会。
C2 noun /ˈkuː.li/

Cooly

库利
Meaning
a laborer who does physical work for wages
Example
The cooly carried heavy bags at the railway station.
库利在火车站搬运重袋子。
B1 noun /ˈsɜːr.kəmˌsˌtæn.sɪz/

Circumstances

情况
Meaning
the conditions that affect a situation, action, or event; facts or conditions connected with or relevant to an event
Example
Under normal circumstances, she would have arrived by now.
在正常情况下，她应该已经到了。
A1 noun /tʃaɪld/

child

孩子
Meaning
a young human being below the age of puberty or below the legal age of majority
Example
The child played happily in the park.
孩子在公园里快乐地玩耍。
C1 noun /kənˈsɜːvəˌtɪzəm/

conservatism

保守主义
Meaning
A political or social philosophy promoting traditional institutions and resistance to change.
Example
Conservatism values tradition and gradual development.
保守主义重视传统和渐进的发展。
C1 noun /ˈkʌn.stə.bəl/

constable

巡警
Meaning
a police officer of the lowest rank
Example
The constable directed traffic at the busy intersection.
巡警在繁忙的十字路口指挥交通。
C1 noun /krəˈnɒlədʒi/

chronology

Meaning
The arrangement of events or dates in the order of their occurrence.
Example
The chronology of the dynasty was carefully studied by historians.
B1 noun /kənˌsɪdəˈreɪʃən/

consideration

幸福
Meaning
careful thought or attention to something before making a decision
Example
After much consideration, she accepted the job offer.
当她收到奖项时，她无法掩饰她的幸福。
C1 adjective ˌkɑːr.sɪ.nəˈdʒen.ɪk

carcinogenic

致癌的
Meaning
Having the potential to cause cancer in living tissue.
Example
Processed meat contains carcinogenic compounds.
加工肉类含有致癌的化合物。
C1 noun /kɒzˈmɒlədʒi/

cosmology

宇宙学
Meaning
the science of the origin and development of the universe
Example
She studied cosmology to understand the origins of the universe.
她学习了宇宙学以理解宇宙的起源。
B2 noun /kənˈtɛmpt/

contempt

Meaning
a strong feeling of dislike and lack of respect towards someone or something
Example
He spoke with contempt about the corrupt officials.
C1 verb /kənˈviːn/

convene

集合，召集会议或集会
Meaning
to come together or assemble, especially for a meeting or formal gathering
Example
The board will convene tomorrow to discuss the new policy.
董事会将在明天召开，讨论新的政策。
B1 adjective /kriˈeɪtɪv/

creative

富有创意的
Meaning
Having the ability to produce new and original ideas or things.
Example
She is very creative in her writing.
她在写作中非常富有创意。
C2 noun /kəˌmɒd.ɪ.fɪˈkeɪ.ʃən/

commodification

商品化
Meaning
The transformation of goods, services, ideas, or social relations into market commodities.
Example
The commodification of education has increased tuition costs.
教育的商品化提高了学费。
C2 noun /kɒŋk/

Conch

海螺
Meaning
a large sea shell that can be used as a horn; the marine mollusk that lives in such a shell
Example
The fisherman blew the conch shell to signal the end of the day.
渔夫吹响海螺号，表示一天的结束。
C1 noun /kræɡ/

crag

陡峭的悬崖或岩石面
Meaning
a steep or rugged cliff or rock face
Example
The hikers climbed the jagged crag to reach the summit.
远足者攀登陡峭的岩石面到达山顶。
C1 noun /krɪˈden.ʃəl/

credential

资历, 证明文件
Meaning
a qualification, achievement, or aspect of a person's background used to indicate suitability for something
Example
She presented her credentials before starting the new job.
她在开始新工作之前展示了她的资历。
C2 verb /ˌkaʊntərˈveɪl/

countervail

抵消
Meaning
to offset or counteract the effect of something
Example
The benefits of the new policy countervail its drawbacks.
新政策的好处抵消了它的缺点。
C1 noun /kəmˈprɛʃn̩/

compression

压缩
Meaning
The act of pressing or squeezing something into a smaller space.
Example
File compression helps reduce storage requirements.
文件压缩有助于减少存储需求。
C2 verb /ˈkɒr.ʌ.skeɪt/

coruscate

闪烁
Meaning
to sparkle or flash brightly
Example
The fireworks coruscated across the night sky.
烟火在夜空中闪烁。
C1 noun /ˈsɪtəˌdɛl/

citadel

城堡
Meaning
A fortress protecting or dominating a city.
Example
The ancient citadel stood guard over the town for centuries.
古老的城堡为城市守卫了几个世纪。
C2 verb /ˌsɜːrkəmˈnævɪɡeɪt/

circumnavigate

环绕地球
Meaning
to travel all the way around something, especially the earth
Example
Magellan was the first to circumnavigate the globe.
麦哲伦是第一个环绕地球航行的人。
C1 adjective /kəmˈpleɪsənt/

complacent

自满
Meaning
showing self-satisfaction and a lack of concern about potential dangers or problems
Example
The team grew complacent after a few victories and stopped practicing hard.
团队在几场胜利后变得自满，停止了努力训练。
C1 noun /krɛst/

crest

山顶
Meaning
the top of a hill, wave, or mountain; a symbol of identity
Example
The hikers reached the crest of the mountain at sunrise.
登山者在日出时达到了山顶。
B2 noun /kleɪ/

clay

黏土
Meaning
a natural material made of fine earth that becomes hard when baked, used for making pottery
Example
The artist molded the wet clay into a beautiful vase.
艺术家把湿黏土塑造成一个美丽的花瓶。
C2 adjective /ˈkoʊltɪʃ/

coltish

Meaning
Playful, energetic, and not fully mature or disciplined.
Example
The coltish boy ran around the field without a care.
C2 noun /kɒzˈmɒɡ.rə.fi/

cosmography

宇宙学
Meaning
the science or art of mapping the universe or cosmos
Example
Medieval scholars practiced cosmography to chart the stars and planets.
中世纪学者通过实践宇宙学来绘制星星和行星的地图。
C2 adjective /tʃeɪst/

Chaste

贞洁; 纯洁
Meaning
pure and morally good; abstaining from sexual activity
Example
She lived a chaste and virtuous life.
她过着纯洁而美德的生活。
C2 noun /kərˈmʌdʒən/

curmudgeon

脾气暴躁的老人
Meaning
a bad-tempered, cranky, or irritable person, usually old
Example
The old curmudgeon complained about everything in the neighborhood.
那位脾气暴躁的老人抱怨着邻里的一切。
B1 noun /ˈtʃæn.əl/

Channel

频道; 渠道; 途径;
Meaning
a television or radio station; a passage for water or other liquids; a means of communication
Example
The news channel provided live coverage of the important event.
新闻频道提供了该重要事件的现场直播报道。
C2 noun /ˈkærɪlɒn/

carillon

风琴钟
Meaning
A set of bells played using a keyboard, usually in a tower.
Example
The carillon bells rang across the town square.
风琴钟的钟声回荡在城市广场上。
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 noun /ˈkæv.əl.ri/

Cavalry

骑兵
Meaning
soldiers who fight on horseback; the part of an army formerly composed of troops on horseback
Example
The cavalry charged across the field with great speed.
骑兵以极快的速度冲过了田野。
B2 noun /kɔːrd/

chord

和弦
Meaning
A group of musical notes played or sung together; also a straight line segment joining two points on a curve.
Example
She strummed a simple chord on the guitar.
她在吉他上弹奏了一个简单的和弦。
B2 verb kəˈlaɪd

collide

碰撞, 撞击
Meaning
Hit with force when moving; come into conflict or opposition.
Example
The two cars collided at the intersection.
两辆车在交叉口相撞。
C1 noun /ˈkæpɪˌlɛri/

capillary

毛细血管
Meaning
a very thin blood vessel that connects arteries and veins
Example
Oxygen passes from the blood into tissues through capillaries.
氧气通过毛细血管从血液进入组织。
C2 noun /ˌkæstɪˈɡeɪʃən/

castigation

严厉的批评或惩罚
Meaning
Severe criticism or punishment for wrongdoing.
Example
The manager’s harsh castigation shocked the entire team.
经理的严厉批评震惊了整个团队。
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。
C2 noun /ˈklaɪ.mɪŋ læŋ læŋ/

Climbing lang lang

攀爬植物兰兰
Meaning
a climbing plant with fragrant flowers native to tropical regions
Example
The climbing lang lang vine produces beautiful fragrant flowers.
攀爬植物兰兰藤本会产生美丽的芳香花朵。
B2 noun /sərˈkʌmfərəns/

circumference

周长
Meaning
the distance around the edge of a circle
Example
The teacher asked us to calculate the circumference of the circle.
老师让我们计算圆的周长。
C1 adjective /ˌkɒzməˈpɒlɪtən/

cosmopolitan

全球化
Meaning
familiar with and at ease in many different countries and cultures
Example
He has a cosmopolitan outlook due to his extensive travels.
由于他的广泛旅行，他拥有全球化的视野。
B2 adjective /ˈkɒm.pɪ.tənt/

Competent

有能力的; 能干的
Meaning
having the necessary skill or knowledge to do something successfully; capable
Example
She is a competent manager who handles all tasks efficiently.
她是一个能干的经理，能够高效地处理所有任务。
C1 verb koʊˈɜrs

coerce

强迫
Meaning
To force someone to do something against their will using threats or intimidation.
Example
The manager tried to coerce the employees into working overtime.
经理试图迫使员工加班。
C2 verb /ˈkɔː.tə.raɪz/

cauterize

烧灼
Meaning
to burn tissue to stop bleeding or prevent infection
Example
The doctor cauterized the wound to stop the bleeding.
医生烧灼伤口以止血。
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。
C2 noun /ˈkɒnsənəns/

consonance

和谐, 音响和谐
Meaning
Agreement or harmony among parts; a pleasing combination of sounds in music or words.
Example
The consonance between their ideas made the project successful.
他们的思想之间的和谐使得项目成功。
C2 noun /ˈsɛʃən/

cession

放弃权利或财产
Meaning
The formal giving up of rights, property, or territory, especially by a state.
Example
The treaty resulted in the cession of land to the neighboring country.
条约导致了土地的转让给邻国。
A2 noun /ˈkʌm.fərt/

Comfort

舒适; 安逸
Meaning
a state of physical ease and freedom from pain or constraint; relief from distress or anxiety
Example
The soft sofa provided great comfort after a long day at work.
柔软的沙发在长时间工作后提供了极大的舒适感。
B1 noun ˌkriː.eɪˈtɪv.ɪ.ti

creativity

创造力
Meaning
The ability to use imagination to produce original ideas or to make something new or imaginative.
Example
His creativity was evident in his artwork.
他的创造力在他的艺术作品中显而易见。
B1 noun /ˈkɜː.ri/

Curry

咖喱
Meaning
a dish of meat, vegetables, etc., cooked in an Indian-style sauce with hot spices
Example
I love spicy chicken curry with rice.
我喜欢和米饭一起吃辛辣的鸡肉咖喱。
B2 noun /ˌsɜːrtɪfɪˈkeɪʃən/

certification

认证
Meaning
the process of officially recognizing or confirming that something or someone meets required standards; an official document proving qualification
Example
She received her professional certification after completing the training program.
她在完成培训项目后获得了专业认证。
C1 noun sɜːrˈkeɪdiən ˈrɪðəm

circadian rhythm

生物钟
Meaning
The body's natural sleep-wake cycle that occurs within 24 hours
Example
Exposure to natural light regulates the circadian rhythm.
暴露在自然光下会调节生物钟。