corpuscle
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C2 noun /ˈkɔːrpəskəl/

corpuscle

小颗粒或细胞，尤其是血细胞
Meaning
a small particle or cell, especially a blood cell
Example
Red corpuscles carry oxygen throughout the body.
红血球在体内运输氧气。
A1 noun /ˈkʌl.ər/

Colour

颜色
Meaning
the property possessed by an object of producing different sensations on the eye as a result of the way it reflects light; hue, tint, shade
Example
What is your favorite colour for painting the bedroom walls?
你最喜欢的卧室墙面涂什么颜色？
A2 noun /kəˈmjuː.nə.ti/

community

社区
Meaning
a group of people living in the same place or sharing common interests
Example
The community worked together to clean the park.
这个社区一起工作，清理了公园。
C2 adjective /tʃəˈruːbɪk/

cherubic

天使般的
Meaning
Innocent, sweet, and angelic, like a cherub.
Example
The baby had a cherubic smile that melted everyone’s heart.
宝宝的笑容如天使般甜美，融化了所有人的心。
B2 noun /kɒd fɪʃ/

Cod fish

鳕鱼
Meaning
A large marine fish with white flesh, commonly used for food
Example
The fisherman caught a large cod fish in the North Atlantic.
渔夫在北大西洋捕到了一条大鳕鱼。
C1 adjective /ˈkɔː.stɪk/

caustic

腐蚀性的, 尖刻的
Meaning
able to burn or corrode by chemical action; severely sarcastic
Example
Her caustic remarks hurt his feelings.
她尖刻的评论伤害了他的感情。
C1 noun /ˈkælɪbər/

caliber

口径
Meaning
The quality of someone's ability or character; the internal diameter of a gun barrel.
Example
The university attracts students of high caliber.
这所大学吸引了高口径的学生。
C2 verb /kənˈtɔːrt/

contort

扭曲
Meaning
to twist or bend out of the normal shape
Example
She contorted her face in pain after the injury.
受伤后，她痛苦地扭曲了脸。
C2 noun /klɛərˈvɔɪəns/

clairvoyance

通灵
Meaning
the supposed ability to perceive events beyond normal sensory contact; psychic insight
Example
She claimed to have clairvoyance and predicted the future.
她声称自己有通灵能力，并预言了未来。
C2 adjective /ˈkʌsɪd/

cussed

倔强
Meaning
Annoyingly stubborn or difficult.
Example
He was too cussed to admit his mistake.
他太倔强，无法承认自己的错误。
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。
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。
C2 adjective /kɒnˈsæŋɡwɪn/

consanguine

同血缘的
Meaning
Of the same blood or origin; related by birth.
Example
The two families were consanguine through their grandparents.
这两个家庭通过他们的祖父母是同血缘的。
C1 noun /ˌkɒk.əˈtuː/

Cockatoo

凤头鹦鹉
Meaning
a large parrot with a prominent crest that can be raised or lowered
Example
The white cockatoo raised its beautiful crest.
白色凤头鹦鹉举起了它美丽的冠羽。
B2 adverb /kənˈsɪdərəbli/

Considerably

显著地；相当大地
Meaning
to a notably large degree; significantly; substantially
Example
The price has increased considerably over the past year.
过去一年价格显著上涨。
C1 verb /kənˈfaʊnd/

confound

Meaning
to confuse or surprise someone, often by acting against their expectations
Example
The magician's trick seemed to confound the entire audience.
B2 noun /kraɪˈtɪəriən/

criterion

标准
Meaning
A standard or rule used to make a judgment or decision.
Example
Honesty is an important criterion for this job.
诚实是这份工作的一个重要标准。
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 noun /ˈtʃɪk piː/

Chick pea

鹰嘴豆
Meaning
round beige legume; protein-rich pulse used in various dishes
Example
Soak the chick peas overnight before cooking them for better digestion.
将鹰嘴豆浸泡一整晚，然后烹饪，以改善消化。
C1 noun /kʌˈstoʊ.di.ən/

Custodian

看门人; 守护者; 管理员
Meaning
a person who has responsibility for or looks after something; a caretaker or guardian
Example
The school custodian ensures that all buildings are clean and secure.
学校管理员确保所有建筑物干净和安全。
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。
C2 verb /kəˈmɪŋɡəl/

commingle

混合
Meaning
To mix or blend different things together.
Example
The charity does not commingle donations with operational funds.
慈善机构不会将捐款与运营资金混合。
C1 verb /kənˈsɛptʃuəlaɪz/

conceptualize

构思
Meaning
to form an idea or concept of something in your mind
Example
The artist conceptualized a new design for the exhibition.
艺术家为展览构思了一个新的设计。
B2 noun /kənˈdʒʌŋkʃən/

conjunction

连词
Meaning
a word used to connect clauses or sentences, or to coordinate words
Example
The words 'and' and 'but' are common conjunctions.
'和' 和 '但是' 是常见的连词。
C2 adjective /kəmˈprɛsəbl̩/

compressible

可压缩的
Meaning
Capable of being compressed or reduced in volume.
Example
Air is a compressible substance, unlike water.
空气是一种可压缩的物质，不像水。
C1 noun /ˈtʃæs.tɪ.ti/

Chastity

贞洁; 处女; 节制;
Meaning
the practice of refraining from extramarital or premarital sexual relations; sexual purity
Example
Many religious traditions value chastity as a virtue of moral purity.
许多宗教传统把贞洁看作是一种道德纯洁的美德。
C2 noun /ˈkɒŋ.kɔː.dæt/

concordat

教廷协议
Meaning
An agreement or treaty, especially between the Vatican and a secular government.
Example
The concordat established the rights of the church within the country.
教廷协议确立了教会在该国的权利。
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。
B1 noun /ˈkɛmɪkəl/

chemical

化学物质
Meaning
a substance produced by or used in a chemical process
Example
The factory releases harmful chemicals into the river.
工厂将有害的化学物质排放到河中。
A2 adjective ˈkʌmftəbəl

comfortable

舒适
Meaning
Giving a feeling of physical ease and relaxation; free from hardship or unpleasant conditions.
Example
Urban planning aims to make cities more comfortable.
城市规划旨在使城市更加舒适。
C2 noun /ˈkrɪsəndəm/

christendom

基督教世界
Meaning
the worldwide body or community of Christians
Example
The news spread quickly across Christendom.
新闻迅速传播到整个基督教世界。
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。
C2 noun /ˈkɒn.tɪ.nəns/

continence

节制
Meaning
self-restraint, especially regarding bodily functions or desires
Example
He practiced continence to maintain focus on his studies.
他练习节制以保持对学业的专注。
B2 verb /kənˈfaɪn/

confine

限制
Meaning
to restrict someone or something within certain limits; to keep someone in a closed space
Example
The prisoner was confined to his cell for 23 hours a day.
囚犯每天被关在他的牢房里23小时。
C1 adjective /ˌkætəˈɡɒrɪkəl/

categorical

绝对的
Meaning
Absolute and without exception; expressed clearly and directly.
Example
She gave a categorical denial of the allegations.
她对指控作出了绝对否认。
B2 verb /ˈsɜːrkjəˌleɪt/

circulate

循环, 流通
Meaning
to move continuously or freely through a closed system or area
Example
Air circulated freely in the open hall.
空气在开放的大厅自由流通。
B2 adjective /ˈtʃeɪn.dʒə.bəl/

Changeable

可变的; 易变的
Meaning
able to be changed; likely to change frequently
Example
The weather is very changeable in spring.
春天的天气非常多变。
C2 noun /kənˈtɔːrʃənz/

contortions

扭曲的复数形式; 多个弯曲或扭曲的形状
Meaning
plural form of contortion; multiple twisted or bent shapes
Example
The magician's contortions left the crowd in awe.
魔术师的扭曲让观众惊叹不已。
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。
B1 adjective /kənˈtroʊld/

controlled

受控的
Meaning
managed or regulated carefully; kept within limits
Example
The experiment was conducted in a controlled environment.
实验是在一个受控的环境中进行的。
B1 noun /kənˈteɪ.nər/

container

集装箱
Meaning
A receptacle or box used for storage or transportation.
Example
Containers are essential for logistics.
集装箱对于物流至关重要。
B2 noun kəˈmɒd.ə.ti

commodity

商品
Meaning
A raw material or primary agricultural product that can be bought and sold.
Example
Oil is a valuable commodity in the global market.
石油是全球市场上有价值的商品。
A2 noun/verb /kənˈsɜːrn/

concern

Meaning
to relate to or affect; a matter of worry or interest
Example
Environmental issues concern all of us.
A2 noun /ˈkæb.ɪdʒ/

Cabbage

卷心菜
Meaning
a cultivated plant eaten as a vegetable, having thick green or purple leaves surrounding a spherical heart
Example
She chopped the fresh cabbage to make coleslaw for dinner.
她切了新鲜的卷心菜，准备做沙拉。
C1 noun /kəmˈpʌl.ʃən/

Compulsion

强迫; 强制;
Meaning
the action or state of forcing or being forced to do something; an irresistible urge to behave in a certain way
Example
He felt a strong compulsion to check his phone every few minutes.
他感到强烈的冲动，每隔几分钟就检查一次手机。
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.
C1 verb /klæsp/

clasp

抓住 / 扣子
Meaning
to grasp or hold tightly; also a device for fastening
Example
She clasped her hands together in prayer.
她在祈祷时将手紧紧地握在一起。
A2 noun /ˈkæptɪn/

Captain

舰长
Meaning
a military officer of middle rank; the person in command of a ship or aircraft
Example
The captain ordered his troops to advance forward.
舰长命令他的部队向前进发。
C1 noun /kəˈnɛəri/

canary

金丝雀
Meaning
a small, usually yellow bird known for its singing; also used as a warning sign in dangerous conditions
Example
The canary sang beautifully in its cage.
金丝雀在它的笼子里唱得非常动听。
B2 noun /ˌsɜː.kjʊˈleɪ.ʃən/

circulation

zh_translation
Meaning
The movement of blood through the body, or the movement of any fluid through a closed system.
Example
Proper circulation ensures that oxygen and nutrients reach every cell.
zh_example_sentence_translation
A2 noun /kraɪm/

crime

犯罪
Meaning
An illegal act punishable by law.
Example
The police are investigating the crime.
警方正在调查犯罪。
B2 adjective /kəˈrɛspɒndɪŋ/

corresponding

相关的
Meaning
matching or related to something
Example
The corresponding page in the book explains the process in detail.
书中的相关页面详细解释了该过程。
A1 noun /kəmˈpjuːtə(r)/

computer

计算机
Meaning
an electronic device for storing and processing data
Example
I bought a new computer for my office work.
我为我的办公室工作买了台新电脑。
B1 adjective /kənˈsɪdərəbl/

considerable

相当的
Meaning
large in amount, size, or importance
Example
The project required a considerable amount of time and money.
该项目需要相当多的时间和金钱。
B2 noun /ˈkʌs.tə.mər rɪˈten.ʃən/

Customer Retention

客户保持
Meaning
The ability of a company or product to retain its customers over some specified period.
Example
High customer retention increases business sustainability.
高客户保持率增加了商业可持续性。
B2 adjective /ˈkɑːmjənl/

communal

公共的
Meaning
Shared by all members of a community; for common use.
Example
The villagers worked together in the communal garden.
村民们在公共花园里一起劳动。
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.
B1 adjective /ˈkɒmplɪˌkeɪtɪd/

complicated

复杂
Meaning
consisting of many interconnected parts; difficult to understand
Example
The instructions for the machine are too complicated to follow.
机器的说明书太复杂，无法跟随。
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。
A2 noun /kæp/

Cap

帽子
Meaning
a head covering with a visor; a protective covering
Example
He wore a baseball cap to protect himself from the sun.
他戴着棒球帽以保护自己免受阳光照射。
B2 noun /ˈkɑn.trəˌvɜr.si/

Controversy

争议; 分歧
Meaning
prolonged public disagreement or heated discussion; a dispute or argument involving opposing viewpoints
Example
The new policy sparked a major controversy among the citizens.
新政策在市民中引发了巨大的争议。
B2 adverb /ˈtʃiːfli/

chiefly

主要
Meaning
mainly; primarily
Example
The festival is celebrated chiefly by young people.
这个节日主要由年轻人庆祝。
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.
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。
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 adjective /kənˈvɪnst/

convinced

确信的
Meaning
completely certain or sure about something
Example
She was convinced that he was telling the truth.
她确信他在说实话。
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。
C1 verb /ˈklæmbər/

clamber

吃力地爬
Meaning
to climb with effort or difficulty, often using both hands and feet
Example
The children clambered over the rocks to reach the cave.
孩子们费力地爬过岩石，到达了洞穴。
C2 noun /ˈkætɪˌkɪzəm/

catechism

教义问答
Meaning
A summary of religious principles often in the form of questions and answers; also a set of fixed questions or beliefs.
Example
The priest taught the children the catechism every Sunday.
牧师每周日都教孩子们教义问答。
C2 verb /kənˈdəʊl/

condole

表示同情
Meaning
To express sympathy for someone who is suffering or grieving.
Example
Neighbors came to condole with the family after the tragedy.
邻居们在悲剧后前来向家属表示慰问。
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。
C1 verb /ˌkɒndɪˈsɛnd/

condescend

从高处以友善的态度
Meaning
to behave as if one is superior while being gracious to others
Example
He would not condescend to answer such a trivial question.
他不会屈尊回答如此琐碎的问题。
C2 noun /ˈklæŋər/

clangor

响声，轰鸣
Meaning
A loud, resonant, and continuous noise, often metallic.
Example
The clangor of the church bells filled the town square.
教堂钟声的轰鸣充满了小镇的广场。
B2 noun /ˈkʌmbæk/

comeback

东山再起
Meaning
A return to a former status or success after a period of decline.
Example
The singer made a remarkable comeback after years of silence.
歌手在沉默多年后取得了显著的东山再起。
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。
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。
B2 verb /ˈkɒm.plɪ.keɪt/

complicate

使复杂
Meaning
To make something more difficult or confusing.
Example
The new rules will only complicate the process.
新规则只会使这个过程更加复杂。
C1 adjective /kənˈtɪɡ.ju.əs/

contiguous

相邻
Meaning
sharing a common border; touching
Example
The two continguous houses shared a wall.
这两座相邻的房子共享了一面墙。
B2 verb /ˈkæt.ɪ.ɡə.raɪzd/

categorized

分类
Meaning
Placed in a particular class or group.
Example
The city was categorized as highly polluted.
这个城市被归类为高度污染。
C2 noun /ˈkæm.fər/

Camphor

樟脑
Meaning
a white crystalline substance with a strong aromatic smell, used in medicine and religious ceremonies
Example
The temple was filled with the fragrant smoke of burning camphor.
寺庙里充满了燃烧的樟脑散发出的芳香烟雾。
B1 noun /ˈkaʊn.səl/

council

委员会
Meaning
an assembly of people chosen or elected to make decisions or advise on matters
Example
The city council voted to improve public transportation.
市议会投票决定改善公共交通。
C1 verb /kʌl/

cull

Meaning
to select or remove from a larger group, often to reduce numbers
Example
The farmers decided to cull the sick animals from the herd.
C2 noun /ˈkreɪniəm/

cranium

颅骨
Meaning
the skull, especially the part enclosing the brain
Example
The archaeologists carefully examined the ancient cranium.
考古学家仔细检查了古老的颅骨。
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。
C1 noun /tʃæmp/

champ

冠军 / 胜利者
Meaning
an informal word for champion or winner.
Example
He is the new champ of the boxing tournament.
他是拳击比赛的新冠军。
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。
C1 noun /ˈsɪtrɪk ˈæsɪd/

Citric Acid

柠檬酸
Meaning
a natural acid found in citrus fruits, used as a food preservative and flavoring agent
Example
Add a pinch of citric acid to preserve the color of the fruit jam.
加入一撮柠檬酸以保持果酱的颜色。
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。
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 /ˌkɑn.frənˈteɪ.ʃən/

Confrontation

对抗
Meaning
a hostile or argumentative meeting or situation between opposing parties; direct challenge or opposition
Example
The confrontation between the two leaders ended without any agreement.
两位领导人之间的对抗以没有任何协议结束。
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。
C2 noun /kənˌdʒiː.niˈæl.ə.t̬i/

congeniality

和蔼可亲
Meaning
The quality of being pleasant, friendly, and easy to talk to.
Example
His congeniality makes him popular among friends.
他的和蔼可亲使他在朋友中很受欢迎。
B2 noun /ˈkɔːr.əs/

Chorus

合唱团；一首歌曲中在每节之后重复的部分
Meaning
a large organized group of singers; a part of a song that is repeated after each verse
Example
The school chorus performed beautifully at the annual concert.
学校合唱团在年度音乐会上表现得非常好。
B1 adjective ˈkʌltʃərəl

cultural

文化的
Meaning
Relating to the arts and to intellectual achievements.
Example
Schools organize cultural programs to honor Victory Day.
学校组织文化活动来纪念胜利日。
B1 noun ˈkɒn.fər.əns

conference

会议
Meaning
A formal meeting of people with a shared interest, typically one that takes place over several days.
Example
The climate conference emphasized renewable energy.
气候会议强调了可再生能源的重要性。
B2 noun /ˈkɒpɪraɪt/

copyright

版权
Meaning
the legal right of the creator of a work to control its use and distribution
Example
She holds the copyright for the book.
她拥有这本书的版权。
C2 verb /kənˈsɪlieɪt/

conciliate

Meaning
to stop someone from being angry; to win over by friendly acts
Example
He tried to conciliate the angry customer with an apology.
C2 noun /ˈkæbəˌlɪzəm/

cabalism

卡巴利主义
Meaning
The doctrines, practices, or secretive dealings of a cabal.
Example
The historian wrote extensively about cabalism in the royal court.
历史学家在王室宫廷中广泛写作关于卡巴利主义的内容。
A2 noun /kənˈtrəʊl/

control

控制
Meaning
The power to influence or direct people's behavior or the course of events.
Example
Proper control measures are necessary.
需要适当的控制措施。
C2 adjective /ˈkɒrɪdʒəbl/

corrigible

可修正的
Meaning
capable of being corrected or improved
Example
The student's mistakes were corrigible with practice.
学生的错误通过练习是可以修正的。
C1 noun /krʌst/

crust

外壳
Meaning
the hard outer surface of something, especially bread or the Earth's outer layer
Example
He cut off the crust of the bread before eating.
他在吃之前切去了面包的外壳。
A2 noun/verb /kɔːz/

cause

原因 / 造成
Meaning
a person or thing that gives rise to an action, phenomenon, or condition; to make something happen
Example
The heavy rain caused flooding in the city.
大雨造成了城市的洪水。
C2 noun /ˈkriːdoʊ/

credo

信条
Meaning
A statement of the beliefs or aims that guide someone's actions.
Example
Honesty has always been the central credo of his life.
诚实一直是他生活中的核心信条。
C2 adjective /ˈkɒr.ə.ɡeɪ.tɪd/

corrugated

波纹状或折叠的
Meaning
shaped into ridges and grooves; wrinkled or folded
Example
The roof was made of corrugated metal sheets.
屋顶是由波纹状金属板制成的。
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。
C2 verb /kruːn/

croon

用柔和、低沉、温柔的声音唱歌或哼歌
Meaning
to sing or hum in a soft, low, and gentle voice
Example
She crooned a lullaby to help the baby fall asleep.
她唱着摇篮曲帮助婴儿入睡。
C1 noun, adjective /ˈsɛntənəri/ or /sɛnˈtɛnəri/

centenary

百年纪念
Meaning
The hundredth anniversary of a significant event; relating to a period of 100 years.
Example
The school celebrated its centenary with a grand event.
学校以一场盛大的活动庆祝了它的百年纪念。
C2 noun /kɒŋk/

Conck

海螺
Meaning
a shell, especially a large spiral one used as a horn or for decoration
Example
The priest blew the conch shell to signal the start of the ceremony.
祭司吹响了海螺，标志着仪式的开始。
B1 noun /ˈkɒliːɡ/

colleague

同事
Meaning
a person with whom one works, especially in a profession or business
Example
She invited her colleagues to the office party.
她邀请了她的同事参加办公室聚会。
B2 noun kənˈtrækʃən

contraction

收缩
Meaning
The process of becoming smaller; a decrease in size or quantity.
Example
The economic contraction resulted in a rise in unemployment.
经济收缩导致失业率上升。
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。
C2 verb /ˈkʌzən/

cozen

欺骗，诈骗
Meaning
to deceive, cheat, or trick someone
Example
He cozened the old man out of his money.
他欺骗了老人并夺走了他的錢。
C2 adjective /ˌkrɪp.təˈɡræf.ɪk/

cryptographic

加密的
Meaning
Relating to cryptography; involving or using secret codes or ciphers for security.
Example
Banks use cryptographic technology to protect transactions.
银行使用加密技术来保护交易。
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。
C1 noun/adjective /klɛft/

cleft

裂缝
Meaning
a split or crack; a space or opening made by cleavage
Example
The goat disappeared into a cleft in the rocks.
山羊消失在岩石中的裂缝里。
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。
B1 adverb /ˈkʌrəntli/

currently

目前
Meaning
at the present time; now
Example
He is currently working on a new project.
他目前正在做一个新项目。
B2 noun /ˈkɑːrɡoʊ/

cargo

货物
Meaning
goods carried by a ship, plane, or other transport
Example
The ship was loaded with valuable cargo.
船上装载了珍贵的货物。
B2 noun /ˈkɑːmpaʊnd/

compound

化合物 / 封闭区域
Meaning
a thing that is composed of two or more separate elements; an enclosed area with buildings
Example
The scientist studied the chemical compound in the lab.
科学家在实验室研究了化学化合物。
C1 noun/verb /kroʊˈʃeɪ/

crochet

Meaning
Needlework made by interlocking loops of thread with a hooked needle; the act of making such items.
Example
She learned how to crochet a scarf for winter.
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。