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A1 verb /klɪr/

clear

清理
Meaning
to remove obstructions; to make clean or transparent
Example
Please clear the table after dinner.
请在晚餐后清理桌子。
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。
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 /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。
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。
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。
C1 adjective /ˈkæn.dɪd/

Candid

坦诚; 直率; 诚实
Meaning
truthful and straightforward; frank and honest in expression
Example
I appreciate your candid opinion about the project.
我很欣赏你对这个项目的坦诚意见。
B1 noun /ˈkæləri/

calorie

卡路里
Meaning
A unit of energy, often used to measure the energy content of food and drink.
Example
She checks the calorie count before eating any packaged food.
她在吃任何包装食品之前会检查卡路里的含量。
C2 noun /ˈkæt.aɪ.ɒn ɪksˌtʃeɪndʒ/

cation-exchange

阳离子交换
Meaning
A chemical process in soil that helps retain nutrients.
Example
The cation-exchange capacity of soil affects plant growth.
土壤的阳离子交换容量会影响植物的生长。
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。
C1 adjective /kənˈdʒiːniəl/

congenial

和蔼可亲
Meaning
pleasant and friendly because of having similar interests or qualities
Example
They found the café a congenial place to meet and talk.
他们发现那家咖啡馆是一个和蔼可亲的地方，适合见面和交谈。
B1 noun /kənˈviː.ni.əns/

Convenience

便利
Meaning
the state of being able to proceed with something without difficulty; a thing that contributes to an easy way of life
Example
The convenience of online shopping has changed how people buy products.
在线购物的便利改变了人们购买产品的方式。
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。
B1 adverb /ˈtʃɪəfəli/

cheerfully

愉快地
Meaning
in a happy and positive manner; with visible good spirits
Example
She greeted everyone cheerfully despite the long day.
尽管一天很长，她还是愉快地向大家打招呼。
A2 verb /kaʊnt/

count

计数
Meaning
to determine the total number of something
Example
She carefully counted the money on the table.
她小心翼翼地数着桌子上的钱。
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。
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。
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。
C2 noun /ˈkeɪ.tɪf/

caitiff

懦夫
Meaning
A contemptible or cowardly person.
Example
The knight despised the caitiff who betrayed his comrades.
骑士鄙视那个背叛同伴的懦夫。
C1 noun /ˈsɪstərn/

cistern

蓄水池
Meaning
A tank or container for storing water, usually for household use.
Example
The old house still had a cistern to collect rainwater.
这座老房子仍然有一个蓄水池来收集雨水。
C2 noun /ˈkʌvən/

coven

女巫集会
Meaning
a group or gathering of witches
Example
The witches met secretly in a coven in the forest.
女巫们在森林中的一个女巫集会中悄悄聚集。
B2 noun ˈkrɪt.ɪ.kəl ˈθɪŋ.kɪŋ

critical thinking

批判性思维
Meaning
The objective analysis and evaluation of an issue in order to form a judgment.
Example
Critical thinking helps in making informed decisions.
批判性思维有助于做出明智的决定。
B2 noun /ˌkɔːrpəˈreɪʃən/

corporation

公司
Meaning
A large company or group of companies that is legally recognized as a single entity.
Example
The corporation invested heavily in renewable energy projects.
该公司在可再生能源项目上进行了大量投资。
C1 noun /kəˈloʊkwiəˌlɪzəm/

colloquialism

口语表达
Meaning
a word or phrase used in informal speech or writing
Example
The novel is full of regional colloquialisms.
这本小说充满了地区性的口语表达。
B1 noun /ˈkɑn.fɪ.dəns/

Confidence

自信
Meaning
the feeling or belief that one can rely on someone or something; firm trust; self-assurance
Example
She spoke with great confidence during the job interview.
她在面试中表现出极大的自信。
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 ক্লাইম্যাটিক কন্ডিশন্স

climatic conditions

气候条件
Meaning
The atmospheric or weather patterns of a particular region.
Example
Specific climatic conditions are required for snowfall.
降雪需要特定的气候条件。
A2 noun kɒsts

Costs

成本
Meaning
An amount that has to be paid or spent to buy or obtain something.
Example
Reducing costs improves profit margins.
降低成本可以提高利润率。
C1 adjective /kɔɪ/

coy

害羞的, 内向的
Meaning
reluctant to give details or reveal feelings; shy or reserved
Example
She gave a coy smile when asked about her plans.
当被问及她的计划时，她露出了一丝害羞的微笑。
A2 noun /kriːm/

Cream

奶油
Meaning
the thick white or pale yellow fatty liquid that rises to the top of milk
Example
She whipped the cream until it became fluffy.
她打发奶油，直到它变得蓬松。
C2 noun /kɒnˌtek.stʃu.ə.laɪˈzeɪ.ʃən/

contextualization

情境化
Meaning
The process of placing something in its proper context or setting to understand it better.
Example
Contextualization of historical events helps students understand them better.
历史事件的情境化帮助学生更好地理解它们。
C2 adjective /ˌkɒnsæŋˈɡwɪniəs/

consanguineous

同血缘的
Meaning
Related by blood; descended from the same ancestor.
Example
The study focused on genetic disorders in consanguineous families.
研究集中于同血缘家庭中的遗传疾病。
C1 noun, verb /kriːs/

crease

褶皱, 折痕
Meaning
a line or fold produced on paper, cloth, or other material; to make a fold or wrinkle
Example
She ironed the shirt carefully to remove every crease.
她小心地熨烫衬衫，去除每一道褶皱。
C1 noun /krʌks/

crux

关键
Meaning
the most important or decisive point of an issue
Example
The crux of the problem lies in poor communication.
问题的关键在于沟通不畅。
B2 adjective /ˈkɒmɪkəl/

comical

滑稽
Meaning
Funny in a strange or silly way; amusing.
Example
His comical expressions made everyone laugh.
他滑稽的表情让所有人都笑了。
A1 adjective /kloʊzd/

closed

关闭
Meaning
not open; shut
Example
The store is closed on Fridays.
商店星期五关闭。
B2 noun /ˈkɒmənˌtɛri/

commentary

评论
Meaning
An expression of opinions or explanations about an event, situation, or text.
Example
The professor's commentary on the novel was insightful.
教授对小说的评论非常有见地。
B2 adjective /ˈsɪn.ɪ.kəl/

cynical

愤世嫉俗
Meaning
Believing that people are motivated by self-interest; distrustful of human sincerity or integrity.
Example
She was cynical about the politician's promises.
她对政治家的承诺持愤世嫉俗的态度。
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。
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。
A2 noun /ˈkʌm.pə.ni/

company

公司
Meaning
a business organization; the presence of other people
Example
She started her own company to sell handmade products.
她开设了自己的公司来销售手工制作的产品。
C2 noun /ˈtʃɜː.nɪŋ stɪk/

Churning stick

搅拌棒
Meaning
a wooden stick used for stirring and churning butter, milk, or other liquids
Example
Grandmother used a churning stick to make fresh butter.
祖母用搅拌棒制作新鲜的黄油。
B2 adjective /kənˈsek.jə.tɪv/

Consecutive

连续的
Meaning
following each other in uninterrupted succession; sequential
Example
She won three consecutive matches in the tournament.
她在比赛中赢得了三场连续的比赛。
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。
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。
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 sɪvɪˈlɪzeɪʃənz

civilizations

文明
Meaning
The stage of human social development and organization that is considered most advanced.
Example
Ancient civilizations developed complex systems of governance.
古代文明发展了复杂的治理体系。
B2 noun /kɜːrv/

Curve

曲线; 转弯
Meaning
a line or outline that gradually deviates from being straight; a bend or turn in a road or path
Example
The driver slowed down as he approached the sharp curve in the mountain road.
当司机接近山路中的急转弯时，他减慢了速度。
C1 noun /ˈkɔːrdən/

cordon

警戒线
Meaning
a line or circle of police, soldiers, or guards preventing access
Example
The police set up a cordon around the crime scene.
警方在犯罪现场周围设立了封锁线。
C1 noun ˌkæl.ɪˈbreɪ.ʃən

calibration

校准
Meaning
The action or process of adjusting or determining the accuracy of measuring instruments.
Example
The accuracy of a scale depends on regular calibration.
秤的准确性取决于定期校准。
B2 adverb /kənˈsɪstəntli/

consistently

持续地
Meaning
in a way that does not vary; regularly and dependably
Example
She has been performing consistently well in her studies.
她在学习中始终表现得很好。
C2 verb /kənˈtjuːz/

contuse

撞伤
Meaning
to bruise by striking or hitting
Example
He contused his arm when he fell off the bike.
他从自行车上摔下来，手臂被撞伤。
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 /ˌkɑm.pənˈseɪ.ʃən/

Compensation

补偿; 赔偿
Meaning
something given or received as an equivalent for services, debt, loss, injury, or suffering; payment or reward
Example
The company provided financial compensation to the workers injured in the accident.
公司向在事故中受伤的工人提供了经济补偿。
C1 noun /ˈkɑr.nɪdʒ/

Carnage

屠杀
Meaning
the killing of a large number of people; widespread slaughter
Example
The battlefield was filled with carnage after the brutal war.
战争后，战场上充满了大屠杀。
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。
C2 adjective /koʊˈiːvəl/

coeval

同时代
Meaning
Having the same age, date of origin, or duration; contemporary.
Example
The philosopher was coeval with the rise of modern science.
这位哲学家与现代科学的崛起是同一时代的。
C1 noun /ˌkɑːr.diˈɒl.ə.dʒɪst/

cardiologist

心脏病学家
Meaning
A doctor specializing in diagnosing and treating heart diseases.
Example
She made an appointment with a cardiologist for her chest pain.
她因胸痛预约了心脏病学家的诊察。
B2 verb /kənˈstrʌkt/

construct

建造
Meaning
to build or form something by putting parts together
Example
They plan to construct a new bridge over the river.
他们计划在河上建一座新桥。
C2 noun /ˌkɒməˈsɛəriət/

commissariat

供应部门
Meaning
A department responsible for supplying food and equipment, especially in the military.
Example
The army commissariat ensured that the soldiers had enough supplies.
军队供应部门确保士兵们有足够的物资。
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。
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。
A1 verb /ˈkæri/

carry

携带
Meaning
To support and move something or someone from one place to another.
Example
She carried the bag across the street.
她把包从街对面带了过来。
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 verb /kənˈstreɪn/

constrain

限制
Meaning
to limit or restrict someone or something; to force or compel
Example
The new regulations constrain businesses from polluting the environment.
新规定限制企业不允许污染环境。
B2 noun /kənˈfɛkʃəneri/

confectionery

糖果店
Meaning
sweets, candies, and other food items made with sugar
Example
The shop sells a wide variety of confectionery.
商店出售各种各样的糖果。
C1 noun /kənˈveɪəns/

conveyance

运输
Meaning
The action or process of transporting or carrying someone or something from one place to another.
Example
The conveyance of goods was delayed due to bad weather.
由于恶劣的天气，货物的运输被延迟。
B2 verb /ˈkɒnstɪtjuːt/

constitute

构成
Meaning
To make up, form, or establish something.
Example
These documents constitute the legal agreement between the two parties.
这些文件构成了两方之间的法律协议。
C1 noun /ˈkʌvənənt/

covenant

契约
Meaning
a formal agreement or promise, often legally binding
Example
The landlord and tenant signed a covenant to maintain the property.
房东和租户签署了一份契约，以保持财产。
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 /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 /kənˈvɪk.ʃən/

conviction

信念
Meaning
A firmly held belief or opinion.
Example
She spoke with conviction, making everyone believe her.
她充满信念地说话，使每个人都相信她。
C1 adjective /kənˈsɜːrtɪd/

concerted

协调的
Meaning
done with great effort, planned and performed together by multiple people
Example
The workers made a concerted effort to improve conditions.
工人们为改善条件做出了协调的努力。
B1 verb /krɔːl/

crawl

爬行
Meaning
to move slowly on hands and knees; to move very slowly
Example
The baby crawled across the floor to reach the toy.
宝宝爬过地板去拿玩具。
B2 adjective /ˈtʃʌbi/

chubby

圆润
Meaning
slightly fat in a way that looks healthy and pleasant
Example
The baby has chubby cheeks.
宝宝有圆润的脸颊。
A2 adjective /ˈkloʊ.sɪst/

closest

最近的
Meaning
nearest in distance or relationship
Example
He is my closest friend.
他是我最亲密的朋友。
C1 noun /ˌkʌl də ˈsæk/

cul de sac

死胡同
Meaning
A street or passage closed at one end; a dead end.
Example
They bought a house at the end of a quiet cul de sac.
他们在一个安静的死胡同的尽头买了一栋房子。
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。
A2 verb /klaɪm/

climb

爬
Meaning
to go up using hands and feet; to ascend
Example
We decided to climb the mountain.
我们决定爬山。
C1 verb /klɪntʃ/

clinch

Meaning
To secure or settle something decisively; to grasp tightly.
Example
The team clinched the championship with a last-minute goal.
A2 verb /tʃɪər/

cheer

欢呼
Meaning
to shout in encouragement or support; to make someone feel happier
Example
The fans cheered loudly when their team scored a goal.
当他们的队伍得分时，球迷大声欢呼。
B1 noun /ˌkæl.kjəˈleɪ.ʃən/

Calculation

计算
Meaning
a mathematical determination of the size or number of something
Example
His calculation of the total cost was accurate to the penny.
他的总成本计算准确到分。
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。
C2 verb /ˈtʃeɪ.sən/

chasten

惩罚 / 使屈服
Meaning
to correct or discipline; to humble or subdue
Example
The coach chastened the team after their poor performance.
教练在他们的糟糕表现后惩罚了球队。
C2 noun /kəˈlɒsəti/

callosity

粗厚的皮肤
Meaning
A thickened or hardened area of skin; insensitivity or hardness of character.
Example
Years of manual labor left callosity on his hands.
多年的体力劳动使他的手上留下了厚皮。
C1 adjective, noun /ˈkɑːr.dɪ.nəl/

cardinal

红衣主教 / 基本的
Meaning
As an adjective: of prime importance; as a noun: a high-ranking Catholic clergyman or a type of bird.
Example
Honesty is a cardinal virtue in life.
诚实是生活中的一种基本美德。
C1 verb /siːd/

cede

放弃
Meaning
to give up power, territory, or rights to another
Example
The country ceded territory after losing the war.
这个国家在输了战争后，放弃了领土。
C2 adjective /kəmˈbʌstɪbəl/

combustible

可燃的
Meaning
Capable of catching fire and burning easily.
Example
Dry leaves are highly combustible.
干叶子非常易燃。
A1 noun /klɑːs/

class

班级
Meaning
a group of students taught together or a category of people or things with shared characteristics
Example
Our class meets every morning at nine.
我们的班级每天早上九点见面。
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。
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。
B2 noun/verb /ˈkɒmplɪmənt/

complement

补充
Meaning
something that completes or goes well with something; to add something that enhances or improves
Example
The scarf complements her outfit perfectly.
围巾完美地补充了她的装束。
C2 noun /kɔːrˈteɪʒ/

cortege

葬礼队伍
Meaning
a solemn procession, especially for a funeral
Example
A cortege of mourners followed the hearse to the cemetery.
一队哀悼的人跟随灵车到墓地。
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。
B1 noun /ˈkɒnflɪkt/

conflict

冲突
Meaning
A serious disagreement or argument, often a prolonged one.
Example
The two countries are trying to resolve the conflict through negotiations.
这两个国家正在通过谈判解决冲突。
B2 verb /kənˈsɜːrv/

conserve

节约
Meaning
to protect something from harm or destruction; to use resources carefully to avoid waste
Example
We must conserve water during the dry season.
我们必须在干旱季节节约水。
C1 noun /ˈkɒlərə/

cholera

Meaning
An infectious disease of the small intestine causing severe vomiting and diarrhea.
Example
The village suffered an outbreak of cholera after the flood.
C1 noun /krʊk/

crook

骗子
Meaning
a dishonest person, especially a criminal
Example
The police finally caught the crook who had been stealing cars.
警方终于抓住了那个偷车的骗子。
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。
C1 noun /ˈsɛntrɪˌfjuːdʒ/

centrifuge

离心机
Meaning
A machine that spins substances at high speed to separate different components.
Example
The lab technician used a centrifuge to separate the blood cells from the plasma.
实验室技术员使用离心机将血细胞从血浆中分离出来。
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。
C2 verb /kəˈlʌmnieɪt/

calumniate

诽谤
Meaning
To make false and damaging statements about someone; to slander.
Example
He was furious when he realized they had calumniated his reputation.
当他意识到他们已经毁坏了他的名声时，他非常生气。
A2 noun ʃef

chef

主厨
Meaning
A professional cook, especially the chief cook in a restaurant or hotel.
Example
The chef specializes in avant-garde dishes.
厨师专门做先锋菜肴。
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。
B1 adjective /ˈklæsɪk/

classic

经典，杰出
Meaning
Judged over a period of time to be of the highest quality and outstanding of its kind.
Example
That movie is a classic example of 90s comedy.
那部电影是90年代喜剧的经典范例。
C2 noun /ˈkʌvi/

covey

一小群鸟
Meaning
a small group of birds, especially partridges or quails
Example
A covey of quails flew across the field.
一群鹌鹑飞过了田野。
B1 adverb /ˈkɒnstəntli/

Constantly

不断地; 总是; 不停地
Meaning
continuously over a period of time; always; without stopping
Example
The baby was constantly crying throughout the night.
婴儿整晚不停地哭泣。
B2 adjective /ˈkɜːrtiəs/

courteous

有礼貌的
Meaning
polite, respectful, or considerate in manner
Example
The staff at the hotel were very courteous to all guests.
酒店的员工对所有客人都非常有礼貌。
B2 adjective ˌkɒn.stɪˈtjuː.ʃən.əl

constitutional

宪法的
Meaning
Relating to an established set of principles governing a state; in accordance with a political constitution.
Example
Constitutional reforms ensure fairness in the system.
宪法改革确保系统中的公平性。
C2 noun, adjective /klɛərˈvɔɪənt/

clairvoyant

Meaning
a person who claims to have clairvoyance; having the ability to see beyond normal senses
Example
The clairvoyant predicted that she would travel abroad soon.
C1 noun /ˈkætərækt/

cataract

白内障 / 瀑布
Meaning
A medical condition causing clouding of the eye's lens; also a large waterfall.
Example
The old man suffered from cataracts in both eyes.
那位老年人双眼都患有白内障。
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。
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。
B1 noun /ˌkænsəˈleɪʃən/

cancellation

取消
Meaning
the act of stopping something that was planned or scheduled; the act of nullifying or invalidating something
Example
The airline announced the cancellation of several flights due to bad weather.
由于恶劣天气，航空公司宣布了航班取消。
C1 verb /ˈkaʊər/

cower

因恐惧而蹲下
Meaning
to crouch down in fear
Example
The child cowered behind the sofa during the thunderstorm.
孩子在雷暴中躲在沙发后面。
B2 noun /ˈkæʒ.u.əl.ti/

Casualty

伤亡; 受害者; 损失
Meaning
a person killed or injured in a war or accident; a victim of circumstances
Example
The hospital treated many casualties from the car accident.
医院治疗了许多来自车祸的伤者。
B2 adjective /ˈsɜːrkjələr/

circular

圆形的
Meaning
shaped like a circle; round in form
Example
The kids sat in a circular arrangement around the campfire.
孩子们围坐在篝火旁，形成圆形的布局。
C1 noun /kənˈsɜːvəˌtɔːri/

conservatory

温室 / 音乐和艺术学校
Meaning
A greenhouse for growing plants or a school for music and the arts.
Example
They grew exotic plants in the conservatory.
他们在温室里种植了异国植物。
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 noun /tʃiːk/

Cheek

脸颊; 无礼;
Meaning
either side of the face below the eye; impudent or disrespectful behavior
Example
The baby's rosy cheeks showed she was healthy and happy.
宝宝的红润脸颊显示她健康快乐。
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。