coarse
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B2 adjective /kɔːrs/

coarse

粗糙, 粗鲁
Meaning
Rough in texture or manner; not smooth or refined.
Example
The fabric felt coarse to the touch.
这块布料摸起来很粗糙。
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。
B2 verb /ˈkɒmbæt/

combat

对抗
Meaning
to fight against something, especially to reduce or stop it
Example
The government is taking steps to combat corruption.
政府正在采取措施来对抗腐败。
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。
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。
B2 noun /koʊl/

coal

煤炭
Meaning
a black or dark brown rock used as fuel, formed from decomposed plant matter
Example
The factory still uses coal as its main source of energy.
工厂仍然将煤炭作为其主要的能源来源。
A2 adverb /ˈker.fə.li/

Carefully

小心地
Meaning
with great attention and caution; thoughtfully and attentively
Example
Please read the instructions carefully.
请仔细阅读说明书。
B1 noun /ˈsɪt.ɪ.zənz/

citizens

公民
Meaning
A legally recognized subject or national of a state or commonwealth.
Example
Citizens must follow pollution regulations.
公民必须遵守污染法规。
B1 noun /ˈkaʊnti/

county

县
Meaning
A territorial division within a country, typically a region with its own local government.
Example
She grew up in a small county in northern England.
她在英格兰北部的一个小县长大。
B2 noun /ˈkɜːr.tə.si/

Courtesy

礼貌; 客气;
Meaning
the showing of politeness in one's attitude and behavior toward others; a polite gesture or remark
Example
He showed great courtesy by holding the door open for elderly people.
他通过为老年人打开门来表现出极大的礼貌。
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.
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。
C1 noun ˌkɒn.əˈteɪ.ʃən

connotation

隐含的或暗示的意义
Meaning
The implied or suggested meaning of a word beyond its literal definition
Example
The word 'home' has a warm connotation of comfort and family.
‘家’这个词有着温暖的含义，代表着舒适和家庭
B2 adjective /kəˈreɪdʒəs/

Courageous

勇敢的; 无畏的; 在面对危险时展现勇气
Meaning
brave; fearless; showing courage in the face of danger
Example
The courageous firefighter rescued the family from the burning building.
勇敢的消防员从燃烧的建筑物中救出了家庭。
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。
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。
B1 adjective /ˈkɜːrli/

curly

卷曲的
Meaning
having curls or waves; shaped with bends or coils
Example
She has naturally curly hair.
她有自然的卷曲头发。
C2 noun /ˈkɒɡneɪt/

cognate

同源词
Meaning
a word related to another word in origin; having the same linguistic root
Example
The Spanish word 'madre' and the English word 'mother' are cognates.
西班牙语单词'madre'和英语单词'mother'是同源词。
B1 noun /ˈkʊkər/

cooker

炊具; 电饭煲
Meaning
a device or appliance used for cooking food; a person or thing that cooks
Example
The rice cooker makes cooking meals much easier.
电饭煲让做饭变得更简单。
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。
B2 noun /ˈkæp.tɪv/

Captive

俘虏
Meaning
a person who has been taken prisoner or an animal that has been confined
Example
The captive was held in a small cell for several months.
俘虏被关押在一个小牢房里好几个月。
C1 verb /tʃæsˈtaɪz/

chastise

Meaning
to criticize or punish severely
Example
The teacher chastised the student for being late.
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。
A1 noun /kæt/

Cat

猫
Meaning
a small domesticated carnivorous mammal with soft fur, a short snout, and retractile claws
Example
The cat sat on the windowsill watching birds.
猫坐在窗台上看着鸟儿。
B1 noun /ˈtʃiːtər/

cheater

作弊者
Meaning
a person who cheats or acts dishonestly to gain an advantage
Example
He was caught and labeled as a cheater during the exam.
他在考试中被称为作弊者。
A2 adjective kɑːm

calm

平静
Meaning
Not showing or feeling nervousness, anger, or other strong emotions; peaceful.
Example
The calm environment supports healing.
安静的环境有助于康复。
C1 noun /ˈkɒz.moʊs/

Cosmos

宇宙花
Meaning
a colorful annual flower with daisy-like blooms and feathery foliage
Example
The cosmos flowers swayed gently in the summer breeze across the meadow.
宇宙花在夏季的微风中轻轻摇摆，穿过草地。
B2 noun /ˈkænvəs/

canvas

Meaning
A strong, coarse cloth used for tents, sails, or painting.
Example
The artist prepared a canvas for his new painting.
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。
B2 noun /ˈkjuː.bɪ.kəl/

cubicle

办公隔间
Meaning
A small partitioned-off area of a room, typically in an office.
Example
She works in a cubicle with three other colleagues.
她和另外三位同事在一个办公隔间里工作。
B1 noun /ˈkɒtən/

cotton

幸福
Meaning
A soft white fibrous substance used to make cloth and thread.
Example
This shirt is made of pure cotton.
当她收到奖项时，她无法掩饰自己的幸福。
C2 adjective /ˈkɔːpjʊlənt/

corpulent

肥胖的, 胖
Meaning
fat or obese; having a large bulky body
Example
The corpulent man struggled to fit into the small chair.
那个肥胖的男人努力地坐进了小椅子。
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。
A1 noun /klɒk/

Clock

时钟
Meaning
an instrument used to indicate, keep, and co-ordinate time
Example
The clock on the wall shows three o'clock.
墙上的时钟显示三点。
C1 noun /ˈtʃaɪ.nə.weər/

China-ware

瓷器
Meaning
dishes, plates, cups, and other tableware made of porcelain or fine ceramic
Example
The expensive china-ware was displayed in the cabinet.
昂贵的瓷器被展示在橱柜里。
B2 noun/verb /sɪˈmɛnt/

cement

Meaning
a powdery substance that binds materials together; to make something strong or permanent
Example
The treaty helped cement the relationship between the two countries.
C1 adjective /kənˈteɪ.dʒəs/

Contagious

传染性; 有感染力
Meaning
likely to spread to and affect others; infectious
Example
Her laughter is contagious and makes everyone smile.
她的笑声具有传染性，让每个人都微笑。
C1 adjective /kənˈɡrɛʃənl/

congressional

国会的
Meaning
relating to a congress, especially the US Congress
Example
The bill received strong congressional support.
该法案获得了强烈的国会支持。
A2 adjective /kənˈfjuːzd/

confused

困惑的
Meaning
unable to think clearly; uncertain or puzzled
Example
She felt confused by the complicated instructions.
她被复杂的指示弄得很困惑。
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 /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。
A1 verb, noun /tʃɛk/

check

检查
Meaning
To examine, inspect, or verify something; also a written order to a bank to pay money.
Example
Please check the report before submitting it.
请在提交之前检查报告。
B2 noun, adjective /ˈkɒrəl/

coral

珊瑚
Meaning
a hard, rock-like marine organism formed by tiny sea animals; a pinkish-orange color resembling coral
Example
The coral in the reef provides shelter for many sea creatures.
珊瑚礁中的珊瑚为许多海洋生物提供庇护。
C2 adjective /kəˈnjuːbiəl/

connubial

婚姻的
Meaning
Relating to marriage or the relationship of a married couple.
Example
They celebrated their connubial bliss with a honeymoon trip.
他们通过蜜月旅行庆祝他们的婚姻幸福。
B1 noun /ˌkɒmpəˈzɪʃən/

composition

作文
Meaning
the act of creating a piece of writing, music, or art; the way parts are arranged
Example
Her composition won first prize in the contest.
她的作文在比赛中获得了第一名。
C1 noun /ˈkɒb.lər/

Cobbler

鞋匠
Meaning
a person who repairs shoes and other leather goods
Example
The cobbler fixed my broken shoes perfectly.
鞋匠完美地修好了我的破鞋。
B2 noun /kəˈmiː.li.ən/

Chameleon

变色龙
Meaning
a lizard that can change color to match its surroundings
Example
The chameleon changed its color from green to brown.
变色龙将颜色从绿色变为棕色。
B2 noun /klɔː/

Claw

爪子
Meaning
sharp curved nail on the foot of an animal or bird
Example
The cat extended its sharp claws to climb the tree.
猫伸出锋利的爪子爬上了树。
A2 noun /klʌb/

club

俱乐部
Meaning
an organization of people with a common interest; also a place for social gatherings or entertainment
Example
He joined the local tennis club to meet new people.
他加入了当地的网球俱乐部，以结识新朋友。
B2 noun /kəˈlɪʒ.ən/

Collision

碰撞; 冲突
Meaning
an instance of one moving object hitting violently against another; a conflict of opposing ideas or interests
Example
The collision between two cars caused a major traffic jam.
两辆车之间的碰撞造成了严重的交通堵塞。
C1 noun /ˈkɒt.ən ˈfæb.rɪk/

Cotton Fabric

棉布
Meaning
textile made from cotton fibers, known for being soft, breathable, and comfortable
Example
Cotton fabric is perfect for summer clothing.
棉布是夏季衣物的完美选择。
C2 noun /ˈkɒnsənəns/

consonance

和谐, 音响和谐
Meaning
Agreement or harmony among parts; a pleasing combination of sounds in music or words.
Example
The consonance between their ideas made the project successful.
他们的思想之间的和谐使得项目成功。
C2 noun /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。
C1 noun /kənˈvʌl.ʃən/

convulsion

抽搐
Meaning
a sudden, violent, involuntary contraction of muscles; a seizure
Example
The medicine helped prevent convulsions in children.
药物帮助预防儿童的抽搐。
C2 noun /ˈkæn.toʊ/

canto

章
Meaning
A main division of a long poem, especially in epic poetry.
Example
The Divine Comedy is divided into several cantos.
神曲被分为几个章节。
B1 verb /ˈkrɪtɪsaɪz/

criticize

批评
Meaning
to express disapproval or find fault with someone or something
Example
The teacher criticized the student's poor handwriting.
老师批评了学生的糟糕字迹。
C1 noun kəˈmjunəl ˈhɑrməni

communal harmony

社区和谐
Meaning
Peaceful coexistence and cooperation among different groups in a community.
Example
Maintaining communal harmony requires mutual respect and understanding.
维护社区和谐需要相互尊重和理解。
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 /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。
A2 noun /kɑːrˈtuːn/

cartoon

卡通片
Meaning
a humorous or animated drawing, especially one in newspapers or television
Example
Children love watching cartoons on TV.
孩子们喜欢看电视上的卡通片。
C1 verb /kənˈdʒɛst/

congest

拥堵
Meaning
To block or overcrowd a space, making movement or flow difficult.
Example
Heavy traffic can congest the city streets during rush hour.
繁忙的交通可能会在高峰时段拥堵城市的街道。
C1 adjective ˈser.ɪ.brəl

cerebral

大脑的
Meaning
Of the cerebrum of the brain.
Example
Cerebral functions regulate thoughts.
大脑功能调节思想。
B1 noun ˈkɒnsept

concept

概念
Meaning
An abstract idea or general notion
Example
The concept of chasing two rabbits teaches focus.
追逐两只兔子的概念教会了我们专注。
A2 noun /ˈkrɪk.ɪt/

Cricket

蟋蟀
Meaning
a jumping insect that makes a chirping sound by rubbing its wings together
Example
We could hear crickets chirping in the evening.
我们能在傍晚听到蟋蟀的叫声。
C1 noun /ˌkɒnfɪˈdɑːnt/

confidante

知己
Meaning
A woman with whom one shares a secret or private matter, trusting her not to repeat it.
Example
The queen’s maid became her most trusted confidante.
皇后的女仆成为了她最信任的知己。
C2 noun /ʃəˈɡrɪn/

chagrin

懊悔
Meaning
Distress or embarrassment at having failed or been humiliated.
Example
She left the room in chagrin after forgetting her lines.
她在忘记台词后，带着懊悔离开了房间。
C1 noun /ˈkæn.ɪ.bəl/

Cannibal

食人者
Meaning
a person who eats the flesh of other human beings
Example
The explorer's journal described rumors of cannibals living on the remote island.
探险家的日志描述了有关食人者在偏远岛屿上生活的谣言。
A2 verb /kræʃ/

crash

幸福
Meaning
To collide violently; to suddenly stop working (for machines or computers).
Example
The car crashed into the wall at high speed.
她在获得奖项时无法掩饰自己的幸福。
B1 noun /ˈkærɪdʒ/

carriage

马车
Meaning
a vehicle, typically a four-wheeled one, used for transporting goods or people, especially in the past
Example
The royal family traveled in a beautiful carriage during parades.
王室家族在游行期间乘坐了一辆美丽的马车。
C2 noun /ˌkɑːrt ˈblɑːnʃ/

carte blanche

Meaning
complete freedom to act as one wishes
Example
The manager gave her team carte blanche to design the project.
C1 noun /ˈkɒnfɪdænt/

confidant

知己
Meaning
A person with whom one shares a secret or private matter, trusting them not to repeat it.
Example
She found a true confidant in her childhood friend.
她在她的童年朋友中找到了一个真正的知己。
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 /ˈkɜːrsəri/

cursory

草率
Meaning
Hasty and therefore not thorough or detailed.
Example
He gave the report only a cursory glance before the meeting.
他在会议前匆忙地扫了一眼报告。
C1 noun /krɛst/

crest

山顶
Meaning
the top of a hill, wave, or mountain; a symbol of identity
Example
The hikers reached the crest of the mountain at sunrise.
登山者在日出时达到了山顶。
C2 noun /ˈkær.ə.weɪ siːdz/

Caraway seeds

葛缕子籽
Meaning
aromatic seeds of the caraway plant used as a spice in cooking and baking
Example
The bread was flavored with caraway seeds.
这块面包带有葛缕子籽的香味。
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。
B1 verb /kənˈfɜːrm/

confirm

确认
Meaning
to establish the truth, accuracy, or validity of something
Example
The hotel will confirm your reservation by email.
酒店将通过电子邮件确认您的预订。
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。
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。
B1 adjective /kəmˈpetətɪv/

competitive

竞争的
Meaning
relating to or characterized by competition; having a strong desire to win or be more successful
Example
She has a competitive spirit that drives her to excel.
她有一种竞争精神，推动她追求卓越。
C1 noun /ˈkoʊmə/

coma

昏迷
Meaning
A deep state of prolonged unconsciousness caused by illness or injury.
Example
The patient remained in a coma for several weeks.
病人昏迷了几周。
C1 noun koʊˈhisɪv ˈjunɪts

cohesive units

凝聚的单元
Meaning
Groups or organizations that work together as unified wholes, with members closely bound together.
Example
Early humans formed cohesive units for survival.
早期人类为了生存，形成了凝聚的单元。
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。
A2 noun /ˈkæs.əl/

Castle

城堡; 宫殿;
Meaning
a large fortified building or set of buildings; a fortress
Example
The medieval castle stood majestically on top of the hill.
中世纪的城堡庄严地矗立在山顶。
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。
C1 adjective /ˌkætəˈklɪzmɪk/

cataclysmic

灾难性的
Meaning
Relating to or denoting a violent natural event or upheaval.
Example
The war had cataclysmic effects on the nation's economy.
战争对该国经济产生了灾难性的影响。
A1 verb, adjective /kloʊz/ (verb), /kloʊs/ (adjective)

close

关闭，接近
Meaning
To shut something (verb); near in space or relationship (adjective).
Example
Please close the door when you leave.
请在您离开时关门。
A1 noun /ker/

Care

照顾; 保护; 关怀
Meaning
the provision of what is necessary for health, welfare, or protection
Example
The nurse provided excellent care for the elderly patients.
护士为老年患者提供了出色的照顾。
B2 noun /kəˈrɪz.mə/

charisma

个人魅力
Meaning
Compelling attractiveness or charm that can inspire devotion in others.
Example
His charisma helped him become a great leader.
他的个人魅力帮助他成为一位伟大的领导者。
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 /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。
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。
C2 noun /kənˈfɛsər/

confessor

忏悔者
Meaning
A person who confesses sins or secrets, especially to a priest.
Example
The confessor listened patiently to the troubled man.
忏悔者耐心地听着困扰的男人。
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。
C1 noun /ˈkleɪmənt/

claimant

索赔人
Meaning
a person who makes a claim, especially in a legal or financial context
Example
The claimant filed for compensation after the accident.
索赔人事故后申请赔偿。
B2 verb /kəˈrɛspɒnd/

correspond

通信
Meaning
to communicate by exchanging letters or messages
Example
I correspond regularly with my old friends.
我与我的老朋友定期通信。
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。
B2 verb /kənˈveɪ/

convey

传达, 沟通, 运输
Meaning
To communicate or make known; to transport or carry from one place to another.
Example
The teacher conveys the lesson clearly to students.
老师清楚地把课程传达给学生。
A2 noun /kənˌɡrætʃ.əˈleɪ.ʃənz/

Congratulations

祝贺
Meaning
words expressing praise for an achievement or good wishes on a special occasion
Example
Congratulations on your promotion! You really deserved this success.
恭喜晋升！你真的值得这次成功。
C1 noun /ˈʃoʊ.və.nɪst/

chauvinist

极端偏袒的人
Meaning
A person displaying excessive or prejudiced loyalty to a group, cause, or gender.
Example
He was labeled a chauvinist after his remarks about women in the workplace.
在工作场所对女性的评论之后，他被贴上了沙文主义者的标签。
B2 noun /kənˈsʌmp.ʃən/

Consumption

消费
Meaning
The using up of a resource or the amount of a product consumed by consumers.
Example
High energy consumption leads to increased electricity bills.
高能耗导致电费增加。
B2 noun /kraɪst/

christ

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

contumely

侮辱，轻蔑
Meaning
insulting or humiliating treatment
Example
He endured the contumely of his colleagues with patience.
他耐心地忍受了同事们的轻蔑。
B2 verb /kənˈfaɪd/

confide

Meaning
To tell someone about a secret or private matter while trusting them not to repeat it.
Example
He confided his worries to his best friend.
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 verb /ˈkɒnskrɪpt/

conscript

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

Casein

酪蛋白
Meaning
the main protein found in milk and cheese, used in food production and supplements
Example
Casein protein powder is popular among athletes for muscle recovery.
酪蛋白粉在运动员中因其对肌肉恢复的帮助而受到欢迎。
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。
C1 verb /ˈkætəˌlaɪz/

catalyze

催化
Meaning
To cause or accelerate a reaction or change.
Example
The new law catalyzed reforms across the sector.
新法律催化了整个行业的改革。
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。
C2 noun /ˈkænə/

Canna

坎纳
Meaning
a tropical flowering plant with large, colorful flowers and broad leaves
Example
The bright orange canna lilies grew tall beside the pond.
明亮的橙色坎纳百合在池塘旁长高。
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。
C1 adjective /kəˈləʊ.kwi.əl/

colloquial

口语
Meaning
Used in ordinary conversation rather than formal speech or writing; informal language.
Example
His colloquial expressions made the speech relatable.
他的口语表达让演讲更加生动。
C1 noun /kənˈkʌrəns/

concurrence

一致
Meaning
Agreement or union in action, opinion, or occurrence; simultaneous happening of events.
Example
The project was completed with the concurrence of all departments.
这个项目是在所有部门的共识下完成的。
C2 noun /ˌkɒl.əˈneɪd/

colonnade

柱廊
Meaning
A row of evenly spaced columns supporting a roof, often in classical architecture.
Example
The visitors admired the grand colonnade at the entrance of the temple.
游客们欣赏着寺庙入口处的宏伟柱廊。
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。
B1 noun /ˈsɜːr.kəmˌsˌtæn.sɪz/

Circumstances

情况
Meaning
the conditions that affect a situation, action, or event; facts or conditions connected with or relevant to an event
Example
Under normal circumstances, she would have arrived by now.
在正常情况下，她应该已经到了。
B2 noun /ˌkɒrəˈleɪʃən/

correlation

相关
Meaning
a mutual relationship or connection between two or more things
Example
Researchers found a strong correlation between diet and heart disease.
研究人员发现饮食与心脏病之间有着强烈的相关性。
B1 adjective /ˈsɪvəl/

civil

公民的
Meaning
Relating to ordinary citizens and their concerns, or being polite and courteous.
Example
They settled the matter through civil discussion.
他们通过公民的讨论解决了这个问题。