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C2 noun /kəˈleɪʃən/

collation

汇编
Meaning
the act of collecting, comparing, and arranging in proper order
Example
The librarian spent hours on the collation of old manuscripts.
图书馆员花了几个小时整理古老的手稿。
B2 noun /kəˈlɛktər/

collector

Meaning
a person who collects things as a hobby or job
Example
He is a stamp collector with thousands of rare items.
C2 noun /kænˈtoʊnmənt/

Cantonment

军营
Meaning
a military base or permanent military station
Example
The soldiers lived in the cantonment outside the city.
士兵们住在城市外的军营里。
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。
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。
C2 adjective /krəˈmætɪk/

chromatic

色彩的
Meaning
Relating to colors or, in music, notes outside the standard scale.
Example
The artist used a chromatic palette to create vibrant contrasts.
艺术家使用了一个色彩丰富的调色板来创造生动的对比。
C2 noun /ˈkɔːrnɪs/

cornice

檐口
Meaning
an ornamental molding around the wall of a room just below the ceiling
Example
The elegant cornice added a classical touch to the living room.
优雅的檐口为客厅增添了一份古典的气息。
C2 adjective /kənˈtraɪt/

contrite

懊悔的
Meaning
feeling or showing remorse or guilt
Example
She was contrite after realizing her mistake.
她在意识到自己的错误后感到懊悔。
B2 noun /ˈkɒmɜːs/

commerce

商业
Meaning
the activity of buying and selling goods and services
Example
International commerce has expanded significantly in recent years.
国际商务在最近几年显著增长。
C1 verb /kənˈkɜːr/

concur

同意
Meaning
To agree with someone or something.
Example
I concur with your opinion on this matter.
我同意您在这个问题上的观点。
B2 noun /ˈklʌstər/

cluster

串
Meaning
a group of similar things or people positioned close together
Example
The grapes grew in a tight cluster.
葡萄在一个紧密的串中生长。
C1 adjective /kəˈmɛmərətɪv/

commemorative

纪念的
Meaning
Serving as a reminder or in honor of a person or event.
Example
They issued a commemorative coin for the independence anniversary.
他们发行了一枚纪念币，庆祝独立纪念日。
B1 adjective /ˈkæʒ.u.əl/

Casual

轻松和无忧; 偶然发生; 非正式
Meaning
relaxed and unconcerned; happening by chance; informal
Example
He wore casual clothes to the party.
他穿着休闲衣服去参加了聚会。
B1 noun /kəˈnuː/

Canoe

独木舟
Meaning
a narrow boat pointed at both ends and moved with a paddle
Example
They paddled their canoe down the peaceful stream.
他们在平静的小溪中划着独木舟。
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。
C1 noun kəˈlɛktɪvɪzəm

collectivism

集体主义
Meaning
The practice or principle of giving a group priority over each individual in it.
Example
Collectivism emphasizes the importance of group over individual interests.
集体主义强调集体利益高于个人利益。
A2 verb /ˈkʌvər/

cover

覆盖
Meaning
to put something over or upon something else to protect or conceal
Example
Please cover the food to keep it fresh.
请把食物盖上，以保持新鲜。
B1 adjective, noun /ˈkɔːrpərət/

corporate

与公司/企业相关
Meaning
relating to a corporation or large company; united as a single body
Example
Corporate social responsibility is important for modern businesses.
公司企业社会责任对现代企业非常重要。
C2 noun /klaɪm/

clime

气候带
Meaning
A region defined by its climate.
Example
He traveled to warmer climes during the winter.
他在冬天去温暖的气候带旅行。
A2 noun /ˌsɛlɪˈbreɪʃən/

celebration

庆典
Meaning
a festive event or activity to honor an occasion
Example
The city held a grand celebration on Independence Day.
城市在独立日举行了盛大的庆典。
B2 noun /ˌkɔr.əˈspɑn.dəns/

Correspondence

通信；相似或等价；通过交换信件进行的沟通
Meaning
letters sent or received; similarity or equivalence; communication by exchange of letters
Example
The historical correspondence between the two famous writers was recently published.
两位著名作家之间的历史通信最近已发布。
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 /ˈsɛl.əˌbreɪ.tɪd/

celebrated

著名
Meaning
Widely known and praised; famous for an achievement.
Example
He is a celebrated author in the field of literature.
他是文学领域的一位著名作家。
C2 noun /ˈklærɪən/

Clarion

号角
Meaning
a shrill narrow-tubed war trumpet; a medieval trumpet with a clear piercing tone
Example
The clarion sounded across the battlefield to signal the charge.
号角在战场上响起，标志着进攻的信号。
B1 noun /klɪf/

cliff

悬崖
Meaning
a high, steep face of rock or earth
Example
The waves crashed against the bottom of the cliff.
波浪撞击悬崖底部。
C1 verb /ˈkɒnsɪkreɪt/

consecrate

奉献
Meaning
to make something sacred, usually through a religious ceremony
Example
The church was consecrated by the bishop.
教堂由主教奉献。
B2 phrase kəˈlek.tɪv ˈæk.ʃən

collective action

集体行动
Meaning
Action taken by a group of people working together toward a common goal or purpose.
Example
Collective action is needed to mitigate climate change.
集体行动对于减缓气候变化很重要。
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 adjective /ˈkɔːstli/

costly

昂贵
Meaning
expensive or causing a lot of money, time, or effort
Example
Their mistake proved to be very costly for the company.
他们的错误证明对公司来说是非常昂贵的。
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 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。
A2 noun /ˈkæm.əl/

Camel

骆驼
Meaning
a large animal with one or two humps on its back that lives in hot dry places
Example
The camel walked slowly across the desert sand.
骆驼慢慢地走过沙漠的沙子。
C1 noun kəˈrəʊ.ʒən

corrosion

腐蚀
Meaning
The gradual destruction of materials by chemical or electrochemical reaction, especially of metals by oxidation.
Example
Corrosion in pipes leads to leakage.
管道中的腐蚀导致泄漏。
B1 noun /kəmˈpleɪnt/

complaint

投诉
Meaning
a statement that something is wrong or not satisfactory
Example
The manager received a complaint from a customer about poor service.
经理收到了一名客户关于糟糕服务的投诉。
B1 noun /ˈkætəɡɔːri/

category

类别
Meaning
a class or division of things regarded as having particular shared characteristics
Example
Books are arranged by category in the library.
书籍在图书馆按类别排列。
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。
B2 verb /kloʊð/

clothe

穿衣
Meaning
to put clothes on; to dress; to provide with clothing
Example
She clothed the baby in warm garments.
她把宝宝穿上了温暖的衣服。
A2 noun /ˈsɪɡəˌrɛt/

cigarette

香烟
Meaning
a small roll of finely cut tobacco wrapped in paper for smoking
Example
He lit a cigarette after dinner.
他在晚餐后点燃了一支香烟。
C1 verb /ˈkrɪsən/

christen

命名
Meaning
to give a name to someone at baptism or to name something officially
Example
They christened the ship after the queen.
他们为船命名，以女王的名字。
B2 noun /ˈkaʊn.tər/

counter

柜台
Meaning
a flat surface in a shop, bank, or kitchen where transactions or work are done
Example
The cashier stood behind the counter.
收银员站在柜台后面。
C1 noun /ˈkʌˈs.tə.di/

Custody

监护; 拘留; 保护
Meaning
the protective care or guardianship of someone or something; imprisonment or detention
Example
After the divorce, they shared custody of their children equally.
离婚后，他们平等地分享了孩子的监护权。
C1 adjective ˈkrɪp.tɪk

cryptic

神秘的, 隐晦的, 模糊的
Meaning
Having a meaning that is mysterious or obscure; difficult to understand.
Example
The message was cryptic and hard to decipher.
消息是神秘的，很难解读。
B1 noun /ˈkændɪdeɪt/

candidate

候选人
Meaning
A person who applies for a job or is nominated for election.
Example
The candidate gave a strong speech during the debate.
候选人在辩论期间发表了强有力的演讲。
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。
B2 noun /kənˈsɛnt/

consent

同意
Meaning
permission for something to happen or agreement to do something
Example
She gave her consent before the operation.
她在手术前给了她的同意。
A2 noun /ˈkælkjʊleɪtər/

calculator

计算器
Meaning
an electronic or mechanical device used to perform mathematical calculations
Example
She used a calculator to solve the complex equation.
她用计算器解决了复杂的方程。
B2 noun/verb /kəˈmjuː.tɪŋ/

commuting

每日通勤
Meaning
Regular travel to and from workplace, daily journey for work.
Example
He spends two hours commuting to work every day.
他每天花两个小时通勤去上班。
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 /ˈkɒm.ent/

comment

评论
Meaning
a verbal or written remark expressing an opinion or reaction
Example
She posted a kind comment on my photo.
她在我的照片下留言了一条友好的评论。
B1 noun /ˈsɪtɪzən/

citizen

公民
Meaning
a legally recognized subject or national of a state
Example
Every citizen has the right to vote.
每个公民都有投票权。
B2 adjective /ˈkʌltʃəd/

cultured

有文化的
Meaning
characterized by refined taste, manners, and education
Example
She is a cultured woman who loves art and literature.
她是一个有文化的女人，喜欢艺术和文学。
C2 noun ˌkɒdʒɪˈteɪʃən

cogitation

沉思, 思考
Meaning
The action of thinking deeply about something; contemplation
Example
After much cogitation, he made the final decision.
经过深思熟虑后，他做出了最终决定。
C1 adjective kənˈten.ʃəs

contentious

有争议
Meaning
Causing or likely to cause an argument; controversial.
Example
The contentious issue divided global leaders.
有争议的问题分裂了全球领导人。
C1 noun /kənˈstɪtʃuənsi/

constituency

选区
Meaning
A geographical area whose residents elect a representative to a legislative body.
Example
She campaigned tirelessly across her constituency.
她在自己的选区内不知疲倦地竞选。
B2 noun /ˈkaʊnsələr/

councillor

议员
Meaning
an elected member of a local council who helps make decisions and represent the community
Example
The councillor spoke to residents about improving local roads.
议员与居民讨论了当地道路问题。
B2 noun /kəmˈpɑːrt.mənt/

Compartment

车厢
Meaning
a separate section or division of a larger space, especially in a train
Example
We found seats in the first-class compartment.
我们在头等舱车厢找到了座位。
A2 noun, verb /kɔɪn/

coin

Meaning
A flat piece of metal used as money; as a verb, to invent a new word or phrase.
Example
The government decided to coin a new term for the program.
A1 adjective /ˈtʃɒk.lət/

Chocolate

巧克力色
Meaning
a dark brown color like chocolate; the color of cocoa
Example
The chocolate brown sofa looks elegant in the living room.
巧克力棕色沙发在客厅里看起来很优雅。
B2 adverb /ˈkɒnsɪkwəntli/

consequently

因此
Meaning
as a result; therefore
Example
He didn’t study, and consequently he failed the exam.
他没有学习，因此他没通过考试。
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。
B2 adjective /ˈsel.jə.lər/

Cellular

细胞的
Meaning
relating to cells; consisting of cells; relating to mobile phone technology
Example
Cellular technology has revolutionized communication.
细胞技术已经彻底改变了通讯方式。
B2 noun /ˈkæʃ.uː nʌt/

Cashew Nut

腰果
Meaning
a kidney-shaped nut with a creamy texture and mild flavor
Example
Cashew nuts are often used in cooking and as a healthy snack.
腰果常用于烹饪和作为健康的零食。
B1 noun /ˌkɒmbɪˈneɪʃən/

combination

组合 / 混合
Meaning
The act of joining or mixing two or more things together.
Example
This dish is a perfect combination of sweet and spicy flavors.
这道菜是甜味和辛辣味的完美组合。
C1 noun /kənˈfɔːrməns/

conformance

一致性
Meaning
The act of conforming to a rule, standard, or law.
Example
The product was tested for conformance with safety standards.
该产品已按照安全标准进行了符合性测试。
A2 noun কন্ডিশন

condition

状况
Meaning
A particular state of health or physical fitness; a medical problem.
Example
The condition worsens without proper treatment.
没有适当的治疗，状况会恶化。
C2 noun /ˈklæpər/

clapper

钟内的金属部件，敲击钟体发出声音
Meaning
The free-swinging metal piece inside a bell that strikes it to produce sound.
Example
The clapper inside the bell was broken.
钟内的金属部件坏了。
C2 noun /ˈkæʒuɪstri/

casuistry

诡辩术
Meaning
The use of clever but false reasoning, especially in relation to moral questions.
Example
The lawyer’s argument was dismissed as mere casuistry.
律师的辩论被作为单纯的诡辩术驳回了。
C1 noun /ˈkɒndɪmənts/

condiments

调味品或酱料
Meaning
Seasonings or sauces used to add flavor to food.
Example
Ketchup and mustard are popular condiments for burgers.
番茄酱和芥末是汉堡的常见调味品。
B1 adverb /ˈkʌmftəbli/

Comfortably

舒适地
Meaning
in a comfortable manner; without difficulty or effort; with ease
Example
She was sitting comfortably in her favorite chair.
她坐在自己最喜欢的椅子上很舒服。
A2 noun /ˈkʌpəl/

couple

一对
Meaning
two people or things considered together; a pair
Example
They make a lovely couple and have been married for five years.
他们是一个可爱的情侣，已经结婚五年了。
B1 noun ˈtʃæt.dʒiː.piː.tiː

ChatGPT

基于语言的人工智能模型
Meaning
A language-based artificial intelligence model designed for conversational interactions.
Example
ChatGPT helps users generate human-like text efficiently.
ChatGPT帮助用户高效生成类似人类的文本。
B2 noun /kroʊ/

Crow

乌鸦
Meaning
a large black bird known for its intelligence and harsh call
Example
The crow cawed loudly from the tree branch.
乌鸦从树枝上大声地叫。
C2 adjective /kənˈfɔːrməbl/

conformable

一致的
Meaning
Capable of being adapted or consistent with something; compliant.
Example
His actions were conformable to the rules of the institution.
他的行为与机构的规定一致。
C1 noun /ˈkɑːrtɪlɪdʒ/

cartilage

软骨
Meaning
A firm, flexible connective tissue found in various parts of the body such as joints, ear, and nose.
Example
The doctor explained that the injury damaged the cartilage in his knee.
医生解释说，伤害损坏了他膝盖的软骨。
B2 verb /krʌʃ/

crush

Meaning
to press or squeeze something so hard that it is damaged or destroyed
Example
He accidentally crushed the paper cup in his hand.
C1 adjective /ˈkɒɡ.nɪ.zənt/

cognizant

意识到
Meaning
Having knowledge or being aware of something.
Example
He was cognizant of the risks before starting the project.
他在开始这个项目之前就意识到风险。
A2 verb /tʃiːt/

cheat

作弊
Meaning
to act dishonestly; to break rules for advantage
Example
He cheats on the exam by copying answers.
他通过抄答案在考试中作弊。
C2 noun /ˈsɜːrtɪˌtjuːd/

certitude

确定性
Meaning
Absolute certainty or conviction about something.
Example
She spoke with certitude about the outcome of the case.
她以确定的语气谈论案件的结果。
C2 verb /ˌkɒnvəˈlɛs/

convalesce

恢复健康，在疾病或治疗后恢复力量
Meaning
to recover health and strength after illness or medical treatment
Example
After the surgery, she spent several weeks convalescing at home.
手术后，她在家里恢复了几个星期。
C2 adjective /ˈkɑːrnəl/

carnal

肉体的
Meaning
Relating to physical, especially sexual, desires and appetites.
Example
The book explores the conflict between spiritual and carnal desires.
这本书探索了精神和肉体欲望之间的冲突。
C1 noun /ˈkɒnstənsi/

constancy

忠诚/恒常
Meaning
the quality of being faithful and dependable
Example
Her constancy in friendship is admirable.
她在友谊中的恒常令人钦佩。
C2 noun /ˌkʌl.pəˈbɪl.ɪ.ti/

culpability

罪责
Meaning
responsibility for a fault or wrong; blameworthiness
Example
The jury considered his level of culpability in the crime.
陪审团考虑了他在犯罪中的罪责程度。
C2 noun /ˈkɒnsəvəˌtwɑː/

conservatoire

音乐学院
Meaning
A school specializing in the study of music or drama.
Example
She trained as a pianist at the Paris Conservatoire.
她在巴黎音乐学院接受了钢琴训练。
B2 adjective /ˈkɒnʃəs/

conscious

清醒
Meaning
Aware of and responding to one's surroundings; awake.
Example
She was fully conscious after the surgery.
她在手术后完全清醒。
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。
B2 adjective ˈkʌl.ɪ.nər.i

culinary

烹饪的
Meaning
Related to cooking or the preparation of food, especially in a sophisticated or professional manner.
Example
Culinary advancements enhance the dining experience.
烹饪的进步提升了用餐体验。
C2 noun /ˌkɑːnfɔːrˈmeɪʃən/

conformation

构象
Meaning
The shape, structure, or arrangement of something.
Example
The scientist studied the molecular conformation of the protein.
科学家研究了蛋白质的分子构象。
A2 adjective /ˈtʃɪə.fəl/

Cheerful

愉快的; 乐观的; 充满喜悦
Meaning
happy and optimistic; full of joy and good spirits; bright and lively
Example
She has a cheerful personality that brightens everyone's day.
她有一个愉快的个性，照亮了每个人的日子。
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。
B1 adverb /ˈkɒmənli/

commonly

通常
Meaning
usually or by most people
Example
This phrase is commonly used in everyday speech.
这个短语通常在日常语言中使用。
B2 noun /ˈklaɪ.mət əˌdæp.teɪ.ʃən/

climate adaptation

气候适应
Meaning
The process of adjusting to current or expected climate change and its effects.
Example
Climate adaptation ensures resilience to change.
气候适应确保了对变化的适应能力。
B2 noun /ˈkaʊn.səl.ər/

counselor

顾问
Meaning
a person trained to give guidance on personal, social, or psychological problems
Example
The school counselor helped the student deal with stress.
学校的顾问帮助学生应对压力。
B1 noun /ˈkʌntrisaɪd/

countryside

乡村
Meaning
land outside cities and towns; rural areas with farms, fields, and villages
Example
She enjoys the peace and beauty of the countryside.
她享受乡村的宁静和美丽。
C1 adjective/verb /ˈkɒn.sə.mət/

consummate

以极大的技巧完成或完善某物
Meaning
To complete or perfect something with great skill
Example
He is a consummate artist with years of experience.
他是一个技艺精湛的艺术家，拥有多年的经验。
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。
C1 noun /kəˈlɪɡrəfi/

calligraphy

美丽且装饰性的书写艺术
Meaning
The art of beautiful and decorative handwriting.
Example
She took a course to improve her calligraphy skills.
她参加了一个课程来提高她的书法技能。
C1 noun /ˈʃoʊ.vəˌnɪz.əm/

chauvinism

Meaning
Excessive or prejudiced support for one's own cause, group, or gender, often with contempt for others.
Example
The company's culture was criticized for promoting male chauvinism.
C2 noun /kənˈtrɪʃ.ən/

contrition

悔恼
Meaning
the state of feeling remorseful and repentant
Example
His contrition was evident after the apology.
在道歉后，他的悔恼显而易见。
C1 noun /ˈkɒmən kɑːp/

Common Carp

鲤鱼
Meaning
A large freshwater fish widely cultivated for food
Example
Common carp is an important fish in aquaculture.
鲤鱼是水产养殖中的重要鱼类。
C2 noun /tʃæf/

Chaff

糠; 无价值的东西; 轻松的玩笑
Meaning
the husks of corn or other seed separated by winnowing; worthless things; light-hearted joking
Example
The farmer separated the wheat from the chaff using traditional methods.
农民使用传统方法将小麦从糠中分离出来。
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。
B2 adjective /ˌkɒst.ɪˈfɪʃ.ənt/

cost-efficient

节约成本
Meaning
Achieving maximum productivity with minimum wasted effort or expense.
Example
Cost-efficient solutions benefit industries.
节约成本的解决方案有利于各行各业。
C1 adjective kəˈlɒs.əl

Colossal

巨大的
Meaning
Extremely large, gigantic, enormous in size or extent.
Example
The colossal pyramids of Egypt are a marvel of architecture.
埃及的巨大神庙是建筑学的奇迹。
B2 adjective /kəmˈpɛlɪŋ/

compelling

引人注目的
Meaning
Evoking interest, attention, or admiration in a powerful way.
Example
She gave a compelling speech about climate change.
她就气候变化发表了引人注目的演讲。
C1 adjective /ˈkɒn.ɪ.fər.əs/

coniferous

与针叶树有关
Meaning
Relating to cone-bearing trees that usually have needle-like leaves and remain green year-round.
Example
Pine trees are coniferous and grow in colder climates.
松树是针叶树，在寒冷的气候中生长。
C2 noun /ˌkɒzməˈpɒlɪtənɪzəm/

cosmopolitanism

国际主义
Meaning
the ideology that all human beings belong to a single community
Example
Cosmopolitanism promotes respect and understanding across cultures.
国际主义促进不同文化之间的尊重和理解。
C1 noun/adjective /kənˈfɛdərət/

confederate

同盟
Meaning
a person, group, or state joined in an alliance or union; relating to a confederacy
Example
The confederate soldiers fought bravely in the war.
同盟士兵在战争中英勇作战。
B1 noun /tʃɪl/

Chill

寒冷; 恐惧或焦虑的感觉; 放松
Meaning
an unpleasant feeling of coldness; a feeling of fear or anxiety; to relax
Example
There was a chill in the air as autumn approached.
当秋天临近时，空气中感到一阵寒冷。
B2 adjective /kənˈdɪʃ.ən.əl/

Conditional

有条件的; 依赖于条件
Meaning
dependent on certain conditions; not absolute
Example
The job offer is conditional upon passing the background check.
工作机会取决于通过背景调查。
B2 noun /ˈkʊk.uː/

Cuckoo

布谷鸟
Meaning
a bird known for its distinctive call and for laying eggs in other birds' nests
Example
We heard the cuckoo calling from the forest early in the morning.
我们在清晨听到了从森林传来的布谷鸟的叫声。
B2 noun /ˈkoʊ.brə/

Cobra

眼镜蛇
Meaning
a venomous snake with a hood that can be spread when threatened
Example
The cobra raised its hood and hissed at the intruder.
眼镜蛇抬起了它的帽子，对入侵者发出了嘶嘶声。
C2 verb /kɒnˈkætəneɪt/

concatenate

连接
Meaning
To link things together in a series or chain.
Example
The program concatenates two strings into one.
程序将两个字符串连接为一个。
C2 verb /ˈkɒndʒʊɡeɪt/

conjugate

变位
Meaning
to list the different forms of a verb according to tense, person, and number
Example
Students are asked to conjugate the verb 'to be'.
学生被要求变动动词'是'的形式。
B1 adjective /ˈtʃɑːr.mɪŋ/

charming

迷人
Meaning
Very pleasing or delightful in a way that attracts people.
Example
The village is full of charming little houses.
这个村庄充满了迷人的小房子。
B2 verb /kənˈsiːd/

concede

Meaning
to admit something is true or valid, often reluctantly
Example
She finally conceded that she was wrong.
B1 noun /kəmˈpænjən/

companion

伙伴
Meaning
a person or animal you spend time with or travel with
Example
He was my companion during the long journey.
他是我在漫长旅程中的伴侣。
C1 adverb kəmˈpæktli

compactly

紧凑地
Meaning
In a closely packed or dense manner.
Example
Protons and neutrons are compactly arranged.
质子和中子紧密地排列。
A2 noun /keɪdʒ/

Cage

笼子
Meaning
a structure with bars or wire for keeping birds or animals
Example
The parrot lives in a large cage.
鹦鹉生活在一个大笼子里。
A2 adjective /kənˈsɜːnd/

concerned

担忧的
Meaning
worried or anxious about something; involved or interested in something
Example
She was concerned about her mother's health.
她对母亲的健康感到担忧。
B2 noun /kəˈdɛt/

cadet

军校生
Meaning
A young trainee in the armed forces, police, or other organization.
Example
The cadet marched proudly in the parade.
军校生在游行中自豪地行进。
B1 noun /kənˌɡrætʃəˈleɪʃən/

congratulation

祝贺
Meaning
an expression of praise or joy for someone’s achievement or good fortune
Example
She sent a congratulation to her friend on winning the award.
她向朋友送上了获奖的祝贺。