cybernetics
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
C2 noun ˌsaɪ.bəˈnet.ɪks

cybernetics

控制论
Meaning
The science of communications and automatic control systems in both machines and living things.
Example
Cybernetics plays a crucial role in artificial intelligence.
控制论在人工智能中起着至关重要的作用。
C2 verb /ˈkɒd.l̩/

coddle

过度溺爱
Meaning
to treat someone with excessive care or kindness, often in a way that is overprotective
Example
Parents should support their children without coddling them.
父母应该在不溺爱孩子的情况下支持他们。
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。
C2 noun /ˈkɒkskoʊm/

Cockscomb

公鸡冠花
Meaning
a tropical plant with bright, velvety flowers that resemble a rooster's comb
Example
The bright red cockscomb flowers added vibrant color to the garden bed.
鲜艳的红色公鸡冠花为花坛增添了生动的色彩。
C2 adjective /kəˈrɛlətɪv/

correlative

相关的
Meaning
having a mutual relationship; corresponding
Example
The increase in temperature is correlative with the melting of glaciers.
温度的升高与冰川的融化有关。
C2 adjective /sərˈkjuːɪtəs/

circuitous

迂回路线
Meaning
Longer than the most direct way; roundabout.
Example
He took a circuitous route to avoid traffic.
他走了一条迂回路线以避开交通。
C2 adjective /ˈkjʊərətɪv/

curative

治愈性
Meaning
Able to cure disease or restore health.
Example
The doctor prescribed a curative treatment for the illness.
医生为疾病开出了治愈性的治疗方案。
C2 adjective /ˌkɒn.tjʊˈmeɪ.ʃəs/

contumacious

固执的, 叛逆的
Meaning
stubbornly disobedient or rebellious
Example
The contumacious student refused to follow the school rules.
那位固执的学生拒绝遵守学校的规章制度。
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。
C2 adjective /kənˈdʒɛktʃərəl/

conjectural

推测的
Meaning
based on guesswork or incomplete evidence rather than certain knowledge
Example
His explanation was purely conjectural and lacked proof.
他的解释完全是推测性的，缺乏证据。
C2 noun /ˌkɒnvəˈluːʃən/

convolution

卷曲，复杂的转折或结构
Meaning
a twist, coil, or a complex and intricate shape or arrangement
Example
The brain has many convolutions that increase its surface area.
大脑有许多卷曲的形状，增加了其表面积。
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。
C2 noun /koʊˈkɛt/

coquette

卖弄风情的女人
Meaning
a woman who flirts lightheartedly
Example
She was a coquette, always charming everyone at the party.
她是个卖弄风情的女人，总是在聚会上迷倒所有人。
C2 verb /ˈkrɪŋ.kəl/

crinkle

皱纹
Meaning
To form small creases or wrinkles.
Example
She crinkled her nose at the strange smell.
她对那股奇怪的气味皱起了鼻子。
C2 adjective /ˈkrɒtʃ.ə.ti/

crotchety

脾气坏
Meaning
bad-tempered, easily annoyed, and often complaining
Example
The crotchety old man yelled at the children for playing near his house.
那个脾气坏的老人对在他家附近玩耍的孩子们大喊。
C2 verb /kəˈriːn/

careen

失控地移动
Meaning
To move swiftly and in an uncontrolled way, especially in a specific direction.
Example
The car careened down the slippery road.
汽车在滑溜的道路上失控地冲了下去。
C2 adjective /ˈtʃɜːrlɪʃ/

churlish

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

Custard Apple

奶油苹果
Meaning
a tropical fruit with sweet creamy white flesh and black seeds
Example
The custard apple has a sweet and creamy texture.
奶油苹果具有甜美和奶油般的口感。
C2 verb /ˈtʃeɪfɪŋ/

chafing

摩擦引起疼痛
Meaning
To make sore by rubbing; to become irritated.
Example
The rough shoes were chafing his heels.
粗糙的鞋子擦痛了他的脚跟。
C2 noun /ˈkɔːldrən/

caldron

大铁锅
Meaning
A large metal pot used for boiling liquids or cooking over an open fire.
Example
The witch stirred her potion in a bubbling caldron.
女巫在一个冒泡的锅里搅拌她的药水。
C2 noun /ˈsaɪ.nəˌʃʊr/

cynosure

众人焦点
Meaning
A person or thing that is the center of attention or admiration.
Example
She was the cynosure of all eyes at the party.
她是派对上所有人焦点。
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/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。
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。
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/verb /ˈkɜːrtsi/

curtsy

屈膝礼
Meaning
a respectful bow made by women by bending the knees with one foot in front of the other
Example
She gave a quick curtsy before leaving the stage.
她在离开舞台前做了一个快速的屈膝礼。
C2 noun /ˈtʃæt.əl/

chattel

动产 / 个人财产
Meaning
a personal possession; historically, movable property including slaves
Example
In the past, slaves were considered the chattel of their owners.
在过去，奴隶被视为他们主人的动产。
C2 verb /kɔːk/

caulk

密封
Meaning
to seal a crack or gap with a waterproof filler
Example
He caulked the window frames to stop the draft.
他用密封胶封住了窗框，以阻止空气流通。
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。
C2 adjective /ˈkɒndaɪn/

condign

应得的
Meaning
deserved, appropriate, and fitting (especially punishment)
Example
The criminal received condign punishment for his crimes.
罪犯因其罪行受到了应得的惩罚。
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。
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。
C2 adjective /kənˈdʌktəbl̩/

conductible

导电的
Meaning
capable of being conducted, especially electricity or heat
Example
Copper is highly conductible to electricity.
铜的导电性很高。
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。
C2 adjective /ˈkɒnfluənt/

confluent

汇流
Meaning
Flowing together or merging; coming together at one point.
Example
The confluent streams formed a mighty river.
汇流的溪流形成了一条强大的河流。
C2 adjective /kənˈvɪviəl/

convivial

友好、活跃和愉快；社交
Meaning
friendly, lively, and enjoyable; sociable
Example
The party had a convivial atmosphere with music and laughter.
派对上有着充满活力的氛围，伴随着音乐和欢笑。
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 noun /kaɪˈmɪərə/

chimera

奇美拉
Meaning
A mythical creature with parts from different animals; also used to mean a fanciful illusion or unattainable dream.
Example
The idea of a perfect society is often a chimera.
完美社会的概念往往是一种幻想。
C2 noun /ˈkɒntrətɑː̃/

contretemps

意外争执
Meaning
an unexpected and unfortunate event or disagreement; a minor dispute
Example
There was a small contretemps between the two colleagues during the meeting.
会议期间，两位同事之间发生了一个小的意外争执。
C2 noun /ˈkɔːrsər/

courser

快速马或猎马
Meaning
a swift horse or a hunting horse
Example
The knight rode a fast courser into battle.
骑士骑着一匹快速的科赛尔进入战斗。
C2 noun /kɒn.tɪˈɡjuː.ɪ.ti/

contiguity

接壤
Meaning
the state of being in direct contact or next to each other
Example
The contiguity of the two countries facilitates trade.
这两个国家的接壤促进了贸易。
C2 noun /ˈkloʊtʃər/

cloture

辩论结束程序
Meaning
a procedure for ending a debate and taking a vote.
Example
The Senate invoked cloture to end the lengthy debate.
参议院启动了辩论结束程序以结束长时间的辩论。
C2 noun /kəˈdævər/

cadaver

尸体
Meaning
A dead human body, especially one used for medical study.
Example
Medical students dissected the cadaver to learn about human anatomy.
医学生解剖了尸体以了解人体解剖学。
C2 noun /ˈkɔːrmərənt/

cormorant

一种大黑色海鸟，通过潜水捕捉鱼类
Meaning
a large black sea bird that catches fish by diving
Example
The cormorant perched on the rock, drying its wings after a dive.
鸬鹚停在岩石上，潜水后晾干翅膀。
C2 noun /kəˈmɛstɪbəl/

comestible

可食用的
Meaning
An item of food that can be eaten.
Example
The picnic basket was full of delicious comestibles.
野餐篮子里装满了美味的可食用物品。
C2 noun /ˈklɔɪstər/

cloister

回廊
Meaning
a covered walk in a convent, monastery, or cathedral, typically with a wall on one side and a colonnade open to a quadrangle on the other.
Example
The monks walked silently through the cloister.
僧侣们默默地走过了修道院的回廊。
C2 noun /sɛnˈtjʊəriən/

centurion

百夫长
Meaning
A commander of a unit of one hundred soldiers in the ancient Roman army.
Example
The centurion led his men into battle with courage.
百夫长带领他的士兵英勇作战。
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。
C2 adjective /sɛnˈtrɪpɪtəl/

centripetal

向心的
Meaning
Moving or directed toward a center.
Example
Centripetal force keeps the planets in orbit around the sun.
向心力使行星保持在围绕太阳的轨道上。
C2 adjective /krɪˈpʌskjʊlər/

crepuscular

与黄昏相关
Meaning
relating to twilight or active during twilight
Example
Bats are crepuscular animals, most active at dawn and dusk.
蝙蝠是黄昏活动的动物，在黎明和黄昏时最活跃。
C2 noun /ˈkɒnk.leɪv/

conclave

秘密会议
Meaning
a private meeting, especially a secret or important one
Example
The leaders met in a secret conclave to discuss the strategy.
领导们在一个秘密的集会上讨论战略。
C2 adjective /ˈkræbɪd/

crabbed

难以阅读, 脾气坏
Meaning
difficult to read or understand; ill-tempered
Example
His handwriting was crabbed and almost illegible.
他的字迹难以阅读，几乎无法辨认。
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 /kəmˈpleɪzənt/

complaisant

过于顺从
Meaning
willing to please others or to accept what they do or say without protest
Example
He was too complaisant to refuse their demands.
他太顺从以至于无法拒绝他们的要求。
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。
C2 adjective /kəˈmoʊdiəs/

commodious

宽敞
Meaning
spacious and comfortable; having plenty of room
Example
They rented a commodious apartment in the city.
他们在城市里租了一间宽敞的公寓。
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。
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 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。
C2 noun, verb /ˈkaʊntərˌtʃɑːrdʒ/

countercharge

反诉
Meaning
an opposing charge or accusation; to make an opposing attack
Example
The lawyer filed a countercharge against the accuser.
律师对指控者提起了反诉。
C2 verb /ˈkævəl/

cavil

提出无谓的反对
Meaning
to make petty or unnecessary objections
Example
She caviled at every detail of the plan.
她对计划的每个细节都提出了无谓的反对。
C2 noun /ˈsɪɡnət/

cygnet

天鹅幼崽
Meaning
a young swan
Example
The cygnet swam closely behind its mother.
小天鹅在母亲后面游泳。
C2 noun /ˌkɒnsæŋˈɡwɪnɪti/

consanguinity

血缘关系
Meaning
The fact of being descended from the same ancestor; blood relationship.
Example
The degree of consanguinity was important in inheritance laws.
继承法中，血缘关系的程度至关重要。
C2 noun /ˈklaʊdˌbɜːrst/

cloudburst

突然的暴雨
Meaning
a sudden and very heavy rainfall
Example
The picnic was ruined by a sudden cloudburst.
野餐被突如其来的暴雨摧毁。
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。
C2 noun /kəmˈpleɪsəns/

complacence

Meaning
a feeling of quiet pleasure or self-satisfaction, often without awareness of potential danger
Example
His complacence prevented him from noticing the risks.
C2 adjective /sɛnˈtrɪfjʊɡəl/

centrifugal

离心
Meaning
Moving or tending to move away from a center.
Example
The centrifugal force pushes the clothes to the sides of the washing machine.
离心力将衣物推向洗衣机的两侧。
C2 noun /krəˈnɒmɪtər/

chronometer

计时器
Meaning
An instrument for measuring time precisely, especially used in navigation.
Example
The sailor relied on the chronometer to determine his position at sea.
水手依靠计时器来确定他在海上的位置。
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 /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。
C2 adjective /ˌkɑːmənˈsɛnsɪkəl/

commonsensical

有常识的
Meaning
based on or showing sound practical judgment; sensible
Example
It was commonsensical to carry an umbrella on a rainy day.
在雨天带伞是有常识的。
C2 noun /kəˈbɑl/

Cabal

阴谋集团
Meaning
a secret political clique or faction
Example
The journalists exposed a cabal of corrupt politicians working together.
记者揭露了一个腐败政治家的秘密团体，他们一起合作。
C2 adjective /kəˈmɛnʃərət/

commensurate

相称的
Meaning
corresponding in size, degree, or extent; proportionate
Example
Salary will be commensurate with experience.
薪资将与经验相称。
C2 noun /ˈkɒmɪti/

comity

礼貌，互相尊重
Meaning
Courtesy and considerate behavior towards others; mutual respect.
Example
The meeting was conducted with comity and respect.
会议是以礼貌和尊重的方式进行的。
C2 noun /kəˈrɑːləri/

corollary

直接或自然的结果
Meaning
a direct or natural consequence or result
Example
One corollary of the new policy was increased public awareness.
新政策的一个结果是公众意识的提高。
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 /kiˌɑːrəˈskjʊəroʊ/

chiaroscuro

光与暗的戏剧性对比
Meaning
The use of strong contrasts between light and dark in art or literature to create a dramatic effect.
Example
The artist's painting used chiaroscuro to highlight the figure's face.
艺术家的画作使用了基阿罗斯库罗来突出人物的面部。
C2 noun /kɒzˈmɒɡ.ə.ni/

cosmogony

宇宙起源学
Meaning
the study or theory of the origin of the universe
Example
The book provides an overview of different cosmogonies throughout history.
这本书提供了关于历史上不同宇宙起源学的概述。
C2 noun /ˌser.əˈbreɪ.ʃən/

cerebration

脑力活动
Meaning
the process of thinking or using the brain actively
Example
The lecture sparked intense cerebration among the students.
这场讲座激发了学生们的强烈脑力活动。
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 /ˈkʌlvərt/

culvert

涵洞
Meaning
a tunnel or drain that carries water under a road or railway
Example
The heavy rainwater flowed through the culvert under the bridge.
沉重的雨水通过桥下的涵洞流动。
C2 adjective /kɔːrˈpɔːriəl/

corporeal

有形的, 物质的
Meaning
relating to the physical body; material or tangible
Example
Ghosts are often described as having no corporeal form.
鬼魂通常被描述为没有有形的形态。
C2 verb /kənˈstrɪndʒ/

constringe

收缩
Meaning
to cause to shrink or contract; to constrict
Example
The medicine helped constringe the swollen tissues.
药物帮助收缩肿胀的组织。
C2 noun ˌsɜːkəmˈspekʃən

circumspection

谨慎, 避免风险
Meaning
The quality of being wary and unwilling to take risks; prudence.
Example
His circumspection ensured no mistakes were made.
他的谨慎确保没有犯错误。
C2 noun /ˈkjuːbeb ˈpepər/

Cubeb Pepper

胡椒柯贝贝
Meaning
aromatic spice with a slightly bitter taste and cooling aftertaste
Example
Cubeb pepper is used in traditional Indonesian cuisine.
胡椒柯贝贝用于传统的印度尼西亚菜肴。
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。
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。
C2 verb /ˈkælvɪnaɪz/

calvinize

用加尔文主义的原则使人信服
Meaning
to imbue with the principles or doctrines of Calvinism
Example
The preacher sought to calvinize the community with strict teachings.
传教士试图通过严格的教义来将社区加尔文化。
C2 verb /kædʒ/

cadge

乞讨
Meaning
To beg or obtain something, especially food or money, without paying for it.
Example
He tried to cadge a free meal from the restaurant.
他试图从餐厅要一顿免费的饭。
C2 noun /ˈtʃæm.pæk/

Champak

香木花
Meaning
a fragrant yellow or white flower from a tree native to South Asia, used in perfumes and religious ceremonies
Example
The champak tree in the temple courtyard bloomed with golden flowers.
寺庙庭院中的香木花树开满了金色的花。
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。
C2 noun kəmˈpʌŋk.ʃən

compunction

悔恨
Meaning
A feeling of guilt or moral scruple that prevents or follows the doing of something bad.
Example
He felt compunction after lying to his friend.
他说谎后感到悔恨。
C2 noun /ˈkɒn.tjʊ.mə.si/

contumacy

不服从, 固执
Meaning
stubborn refusal to obey authority
Example
His contumacy led to his suspension from the council.
他的不服从导致他被从委员会中停职。
C2 noun /ˈkrɪptəɡræm/

cryptogram

秘密代码
Meaning
a text written in code or cipher
Example
The detective solved the cryptogram hidden in the letter.
侦探解开了信中隐藏的密码图。
C2 verb /ˈkæstɪˌɡeɪt/

castigate

严厉批评
Meaning
To criticize someone severely or to punish harshly.
Example
The teacher castigated the students for their poor behavior.
老师因学生不良行为而严厉批评他们。
C2 noun /kwɑːˈfjʊr/

coiffure

发型
Meaning
A person's hairstyle, typically an elaborate one.
Example
Her elegant coiffure impressed everyone at the party.
她优雅的发型让聚会上的每个人都印象深刻。
C2 verb /kəˈvɔrt/

cavort

开心地跳跃
Meaning
to jump or dance around excitedly
Example
The children cavorted happily in the garden.
孩子们在花园里高兴地跳跃。
C2 noun /ʃɪˈfɒn/

chiffon

雪纺
Meaning
A lightweight, sheer fabric often used in dresses or scarves.
Example
She wore a beautiful chiffon dress at the party.
她在派对上穿了一件美丽的雪纺裙子。
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。
C2 verb /ˈkɒsɪt/

cosset

宠爱
Meaning
to care for and protect in an overindulgent way
Example
The little girl was cosseted by her grandparents.
小女孩被她的祖父母宠爱着。
C2 verb /kəˈnoʊt/

connote

暗示
Meaning
To suggest or imply an additional meaning beyond the literal one.
Example
The word 'youthful' connotes energy and vitality.
‘青春’一词暗示着活力和生气。
C2 noun /ˈkɒɡ.nɪ.zəns/

cognizance

认知
Meaning
Awareness, knowledge, or understanding of something; conscious perception.
Example
The judge took cognizance of the new evidence.
法官注意到新的证据。
C2 adjective /kəˈnaɪ.vɪŋ/

conniving

阴险的
Meaning
secretly scheming or plotting to help in wrongdoing
Example
He is a conniving politician who manipulates people for power.
他是一个阴险的政治家，利用权力操纵人民。
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。
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。
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。
C2 adjective /ˈkɑːrpɪŋ/

carping

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

contraposition

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

canonize

Meaning
To officially declare a dead person a saint; to regard as great or significant.
Example
The church canonized the martyr after years of investigation.
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。
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。
C2 noun /kənˈkɔːrdəns/

concordance

一致性
Meaning
Agreement; also an alphabetical index of the principal words in a book.
Example
There is a strong concordance between the two reports.
这两个报告之间有很强的一致性。
C2 adjective /ˈkreɪvən/

craven

懦夫
Meaning
cowardly; lacking courage
Example
He was too craven to stand up for his beliefs.
他太懦弱，无法捍卫自己的信念。
C2 noun /ˈkælvɪnɪzəm/

calvinism

卡尔文主义
Meaning
A Protestant theological system based on John Calvin’s teachings, emphasizing predestination and the sovereignty of God.
Example
Calvinism played a major role in shaping Protestant theology.
加尔文主义在塑造新教神学中发挥了重要作用。
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 /kənˈdʒiːl/

congeal

凝固
Meaning
to become thick or solid, especially from cooling
Example
The soup began to congeal after being left on the table.
汤开始在桌子上放置后变稠。
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。
C2 verb /kəˈdʒoʊl/

cajole

哄骗
Meaning
To persuade someone to do something by flattery or gentle urging.
Example
She managed to cajole her friend into joining the trip.
她成功地说服她的朋友加入这次旅行。
C2 noun /ˈkjʊriˌoʊ/

curio

奇特物品
Meaning
a small unusual or interesting object, often collected for its rarity
Example
She bought a curio from the antique shop.
她从古董店买了一个奇特物品。