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B2 noun /kənˈstreɪnt/

constraint

限制
Meaning
a limitation or restriction
Example
Time is the biggest constraint in completing the project.
时间是完成项目的最大限制。
B2 verb /kreɪv/

crave

渴望, 强烈的欲望
Meaning
to have a strong desire for something
Example
She craves adventure and often travels to remote places.
她渴望冒险，并经常前往偏远的地方。
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。
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。
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 /koʊˈɪn.sɪ.dəns/

Coincidence

巧合
Meaning
a remarkable occurrence of events or circumstances without apparent causal connection; chance happening
Example
It was a strange coincidence that they both wore the same dress to the party.
这是一个奇怪的巧合，他们俩都穿着相同的衣服参加派对。
B2 adjective /keɪˈɒtɪk/

Chaotic

混乱的; 无秩序的
Meaning
in a state of complete confusion and disorder
Example
The situation became chaotic after the announcement.
情况在公告后变得混乱。
B2 adjective /ˈtʃær.ɪ.tə.bəl/

Charitable

慈善的; 慷慨的; 仁慈的
Meaning
generous in giving to those in need; showing kindness
Example
She is known for her charitable work in the community.
她因在社区的慈善工作而闻名。
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 verb /kənˈsiːd/

concede

Meaning
to admit something is true or valid, often reluctantly
Example
She finally conceded that she was wrong.
B2 noun /kɜːrl/

Curl

卷发; 螺旋形状
Meaning
a piece of hair that curves or coils; something with a spiral or curved shape
Example
She had beautiful natural curls that framed her face perfectly.
她有美丽的自然卷发，完美地框住了她的脸。
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。
B2 verb /kəmˈpaɪl/

compile

编制
Meaning
to collect information or material and put it together in a list, report, or book
Example
She compiled the research data into a detailed report.
她将研究数据编纂成一份详细报告。
B2 noun /ˌkɒn.tɪˈnjuː.ɪ.ti/

continuity

连续性
Meaning
the state of being continuous or connected; consistency over time
Example
Maintaining continuity in leadership is essential for organizational stability.
在领导力中保持连续性对于组织稳定性至关重要。
B2 noun ˌsaɪ.bə.sɪˈkjʊə.rɪ.ti

cybersecurity

网络安全
Meaning
The practice of protecting systems, networks, and programs from digital attacks
Example
Cybersecurity ensures safe digital operations.
网络安全确保数字化运营的安全。
B2 noun /kəmˈplek.ʃən/

Complexion

肤色
Meaning
the natural color, texture, and appearance of a person's skin, especially on the face
Example
Her fair complexion glowed beautifully in the morning sunlight.
她的肤色在早晨的阳光下美丽地发光。
B2 noun /ˈkɒləni/

colony

殖民地
Meaning
a territory or community controlled by another country or group of people
Example
India was once a British colony.
印度曾是英国的殖民地。
B2 verb /kloʊð/

clothe

穿衣
Meaning
to put clothes on; to dress; to provide with clothing
Example
She clothed the baby in warm garments.
她把宝宝穿上了温暖的衣服。
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。
B2 adjective /ˌkɒm.plɪˈmen.tər.i/

Complimentary

赠送的；赞美的；作为礼节免费提供
Meaning
expressing praise or admiration; given or supplied free of charge as a courtesy
Example
The hotel offers complimentary breakfast for all guests.
酒店为所有客人提供免费的早餐。
B2 noun /ˈsɜːrkɪt/

circuit

电路 / 电气通路
Meaning
A roughly circular line, route, or movement that starts and ends at the same place; also an electrical pathway.
Example
The runners completed the circuit around the park.
跑步者完成了环绕公园的电路。
B2 noun /ˈkaʊn.səl.ɪŋ/

counselling

心理咨询
Meaning
the process of giving professional guidance and support to help someone deal with personal, social, psychological, or career-related problems
Example
She decided to seek counselling to manage stress and anxiety.
她决定通过心理咨询来缓解压力。
B2 noun /kəʊˌɔːdɪˈneɪʃən/

coordination

协调
Meaning
the process of organizing different elements to work together effectively
Example
The coordination between the teams was flawless.
团队之间的协调无可挑剔。
B2 noun /ˈkʊriər/

courier

快递员
Meaning
a person or company that delivers messages, packages, or mail
Example
The courier delivered the documents on time.
快递员准时交付了文件。
B2 adjective /kənˈtɛntɪd/

contented

满足的
Meaning
Feeling or expressing happiness and satisfaction.
Example
She was contented with her simple life.
她对她简单的生活感到满足。
B2 noun /kwɪˈziːn/

cuisine

美食
Meaning
A style or method of cooking, especially characteristic of a particular country or region.
Example
Italian cuisine is famous all over the world.
意大利美食在全世界都很有名。
B2 noun /kəˈrɪkjələm/

curriculum

课程
Meaning
The subjects comprising a course of study in a school, college, or university.
Example
The school updated its curriculum to include more digital literacy courses.
学校更新了其课程，增加了更多的数字素养课程。
B2 noun /kəˈdɛt/

cadet

军校生
Meaning
A young trainee in the armed forces, police, or other organization.
Example
The cadet marched proudly in the parade.
军校生在游行中自豪地行进。
B2 noun /kraɪˈtɪəriə/

criteria

标准
Meaning
Standards or principles by which something is judged or decided.
Example
The candidates were evaluated based on strict criteria.
候选人根据严格的标准进行评估。
B2 noun ˈkɑː.bən

carbon

碳
Meaning
The chemical element of atomic number 6, occurring as diamond, graphite, and charcoal.
Example
Carbon emissions must be controlled.
碳排放必须得到控制。
B2 adverb /ˈkɒnsɪkwəntli/

consequently

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

catholicism

天主教
Meaning
The faith, practice, and church order of the Roman Catholic Church.
Example
Catholicism has a long history and rich traditions.
天主教有着悠久的历史和丰富的传统。
B2 adjective kəˈlɛktɪv

collective

集体的
Meaning
Done by people acting as a group; shared by all members of a group.
Example
Victory Day represents our collective pride.
胜利日代表着我们的集体荣誉。
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。
B2 noun /ˈklɪərəns/

clearance

许可 / 批准
Meaning
official permission or authorization; the removal of something unwanted; the distance between two objects
Example
The pilot received clearance to land the plane.
飞行员获得了着陆许可。
B2 verb /kənˈtæmɪneɪt/

contaminate

Meaning
To make something impure, dirty, or harmful by contact with a poisonous or polluting substance.
Example
The river was contaminated by industrial waste.
B2 noun ˈsɜːrkjələr ɪˈkɒnəmi

circular economy

循环经济
Meaning
An economic system aimed at eliminating waste and the continual use of resources through reuse, sharing, repair, refurbishment, remanufacturing and recycling.
Example
Adopting a circular economy can reduce waste.
采用循环经济可以减少废物。
B2 adjective /ˈtʃuː.zi/

Choosey/Choosy

挑剔的; 非常挑选的; 对喜欢或接受的东西非常挑剔
Meaning
very careful in choosing; selective; particular about what one likes or accepts
Example
He's very choosy about the restaurants where he eats.
他对他吃的餐馆非常挑剔。
B2 noun /ˈkɒmɜːs/

commerce

商业
Meaning
the activity of buying and selling goods and services
Example
International commerce has expanded significantly in recent years.
国际商务在最近几年显著增长。
B2 verb /kənˈfɔːrm/

conform

遵守
Meaning
To comply with rules, standards, or laws.
Example
Students must conform to the school regulations.
学生必须遵守学校的规定。
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.
B2 noun /ˈkɒntræktər/

contractor

承包商
Meaning
a person or company that agrees to provide materials or labor to perform a service or do a job
Example
The contractor completed the building project on time.
承包商按时完成了建筑项目。
B2 noun /ˈkɒmpɪtəns/

competence

能力
Meaning
the ability to do something successfully or efficiently
Example
Her competence as a manager impressed the board.
作为经理，她的能力给董事会留下了深刻印象。
B2 noun /kənˈsɛnt/

consent

同意
Meaning
permission for something to happen or agreement to do something
Example
She gave her consent before the operation.
她在手术前给了她的同意。
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。
B2 noun /ˈklaɪ.mət əˌdæp.teɪ.ʃən/

climate adaptation

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

Centipede

蜈蚣
Meaning
a long thin creature with many legs that lives in dark places
Example
I found a centipede crawling under the rock.
我在石头下发现了一只蜈蚣。
B2 verb /kəˈmɛns/

commence

开始
Meaning
to begin or start something
Example
The ceremony will commence at noon.
仪式将在中午开始。
B2 noun /kleɪ/

clay

黏土
Meaning
a natural material made of fine earth that becomes hard when baked, used for making pottery
Example
The artist molded the wet clay into a beautiful vase.
艺术家把湿黏土塑造成一个美丽的花瓶。
B2 noun /ˌkɒnsərˈveɪʃən ˈmuːvmənt/

Conservation Movement

自然保护运动
Meaning
A political, environmental, and social movement that seeks to protect natural resources including plant and animal species as well as their habitat for the future.
Example
The conservation movement began in the 19th century to protect wildlife.
自然保护运动在19世纪开始，旨在保护野生动物。
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。
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 /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。
B2 noun /ˈkeɪ.ɒs/

Chaos

混乱; 无序; 混沌
Meaning
complete disorder and confusion; a state of total confusion with no order
Example
The earthquake caused chaos in the city as buildings collapsed and people panicked.
地震造成了城市的混乱，建筑物倒塌，人们陷入恐慌。
B2 verb /ˈklæsɪfaɪ/

classify

Meaning
to arrange or organize into categories or groups
Example
The librarian classified the books by subject.
B2 noun /ˌkɑːrboʊˈhaɪdreɪt/

carbohydrate

碳水化合物
Meaning
a nutrient that provides energy, found in foods like rice, bread, and sugar
Example
Rice and potatoes are rich in carbohydrates.
米饭和土豆富含碳水化合物。
B2 adjective ˈkɒɡnɪtɪv

cognitive

认知的
Meaning
Related to mental processes of perception, memory, judgment, and reasoning.
Example
Cognitive functions improve with practice and learning.
认知功能通过练习和学习得到改善。
B2 noun /kəmˈpliːʃən/

completion

完成
Meaning
the action or process of finishing something
Example
The completion of the project will take another few weeks.
项目的完成将再需要几周时间。
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 verb kəˈlæbəreɪt

collaborate

合作
Meaning
To work jointly with others, especially in an intellectual endeavor; cooperate.
Example
Volunteers often collaborate with local organizations.
志愿者经常与当地组织合作。
B2 noun /kʌlt/

cult

邪教
Meaning
a system of religious veneration and devotion directed toward a particular figure or object
Example
The cult followed their leader with great devotion.
邪教以极大的献身精神追随他们的领袖。
B2 noun/verb /ˈtʃɑːrtər/

charter

包机 / 租赁
Meaning
a written document granting rights or privileges; to hire a vehicle or vessel for temporary use
Example
The company decided to charter a bus for the trip.
公司决定为旅行租用一辆巴士。
B2 noun ˈkɛmɪkəl weɪst

chemical waste

化学废料
Meaning
Waste material from industrial or laboratory processes that contains harmful chemicals.
Example
Chemical waste pollutes water bodies.
化学废料污染水体。
B2 adjective /ˈklɪn.ɪ.kəl/

clinical

临床的
Meaning
Related to the observation and treatment of patients rather than theoretical study.
Example
The doctor conducted a clinical examination.
医生进行了临床检查。
B2 noun kjuːz

cues

线索
Meaning
Signals or hints from conversation or environment that help understanding
Example
Facial expressions provide cues about a person's emotions.
面部表情提供关于一个人情绪的线索。
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。
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。
B2 noun /kənˈvɜːrtər/

converter

转换器
Meaning
a device or person that changes something from one form, system, or use to another; a tool that converts data, energy, or materials
Example
The engineer used a converter to change AC power into DC power.
工程师使用转换器将交流电转换为直流电。
B2 adjective /ˈkɒm.pɪ.tənt/

Competent

有能力的; 能干的
Meaning
having the necessary skill or knowledge to do something successfully; capable
Example
She is a competent manager who handles all tasks efficiently.
她是一个能干的经理，能够高效地处理所有任务。
B2 verb /ˈkeɪtər/

cater

Meaning
To provide food, drinks, or services, usually for an event or group.
Example
The company catered the wedding reception.
B2 noun /ˈklaɪ.mæks/

Climax

高潮
Meaning
the most intense, exciting, or important point of something; the highest or most intense point in a process
Example
The movie reached its climax during the final battle scene.
电影在最后的战斗场面中达到了高潮。
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。
B2 adjective kənˈsaɪs

concise

简洁
Meaning
Brief and clearly expressed without unnecessary details.
Example
A concise speech is more impactful than a long one.
简洁的演讲比冗长的演讲更有影响力。
B2 noun /ˈsɛmɪˌtɛri/

cemetery

墓地
Meaning
a place where dead people are buried
Example
The old cemetery is located at the edge of the village.
古老的墓地位于村庄的边缘。
B2 noun ˈkɔːrəl ˈriːfs

Coral Reefs

珊瑚礁
Meaning
Underwater structures made from calcium carbonate secreted by corals, forming diverse marine ecosystems.
Example
Saint Martin's Island is known for its coral reefs.
圣马丁岛以其珊瑚礁而闻名。
B2 noun /kloʊv/

Clove

丁香
Meaning
aromatic flower buds of a tree in the family Myrtaceae, used as a spice
Example
She added a few cloves to the mulled wine for extra flavor.
她在热红酒中加入了一些丁香，以增加风味。
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。
B2 noun /kəˈlɑːʒ/

collage

拼贴画
Meaning
A piece of art made by sticking various materials such as photographs or paper onto a surface.
Example
She created a collage using old magazine pictures.
她用旧杂志的照片制作了一幅拼贴画。
B2 verb /koʊp/

cope

应对
Meaning
to deal effectively with something difficult
Example
She had to cope with a lot of pressure at work.
她不得不应对工作中的巨大压力。
B2 noun /kənˈsɛʃən/

concession

让步
Meaning
something that is granted, especially in response to demands; a compromise
Example
The company made several concessions during the negotiations.
公司在谈判中做出了几次让步。
B2 noun /kæf/

Calf

小牛
Meaning
a young cow or bull; young of various large mammals
Example
The calf stayed close to its mother.
小牛靠近它的母亲。
B2 adjective /ˈtʃuːzi/

choosy

挑剔
Meaning
very careful in choosing; selective
Example
She is very choosy about the clothes she wears.
她对她穿的衣服非常挑剔。
B2 adjective /ˈsɛl.əˌbreɪ.tɪd/

celebrated

著名
Meaning
Widely known and praised; famous for an achievement.
Example
He is a celebrated author in the field of literature.
他是文学领域的一位著名作家。
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。
B2 noun /ˈsel.ər.i/

Celery

芹菜
Meaning
a green vegetable with long crisp stems that can be eaten raw or cooked
Example
I added chopped celery to the soup for extra flavor.
我将切碎的芹菜加入汤中以增加风味。
B2 noun /ˈkæʃ.uː nʌt/

Cashew Nut

腰果
Meaning
a kidney-shaped nut with a creamy texture and mild flavor
Example
Cashew nuts are often used in cooking and as a healthy snack.
腰果常用于烹饪和作为健康的零食。
B2 adjective /ˈkʌltʃəd/

cultured

有文化的
Meaning
characterized by refined taste, manners, and education
Example
She is a cultured woman who loves art and literature.
她是一个有文化的女人，喜欢艺术和文学。
B2 noun /ˈkɒmpoʊst/

compost

堆肥
Meaning
decayed organic matter used as fertilizer
Example
The gardener added compost to enrich the soil.
园丁添加了堆肥来丰富土壤。
B2 adjective, noun /ˈkɑːmənpleɪs/

commonplace

常见的
Meaning
ordinary or unremarkable; something that is usual or commonly found
Example
Smartphones have become commonplace in modern life.
智能手机已成为现代生活中的常见事物。
B2 adjective /ˈkʌnɪŋ/

cunning

狡猾
Meaning
Having or showing skill in achieving one's ends by deceit or evasion; cleverness in a tricky way.
Example
The cunning fox tricked the farmer.
狡猾的狐狸欺骗了农夫。
B2 adjective /kəmˈpɛlɪŋ/

compelling

引人注目的
Meaning
Evoking interest, attention, or admiration in a powerful way.
Example
She gave a compelling speech about climate change.
她就气候变化发表了引人注目的演讲。
B2 noun /krɑk pɑt/

Crock pot

慢炖锅
Meaning
an electric cooking pot that cooks food slowly at low temperatures
Example
I put the chicken and vegetables in the crock pot before going to work.
我在上班前把鸡肉和蔬菜放入慢炖锅中。
B2 noun /ˌklærɪfɪˈkeɪʃən/

clarification

澄清
Meaning
The action of making a statement or situation less confused and more clearly comprehensible.
Example
The manager requested clarification on the project details.
经理要求对项目细节进行澄清。
B2 verb /kənˈfrʌnt/

confront

面对
Meaning
to face someone or something directly, especially in a challenge or conflict
Example
She had to confront her fears before making the speech.
她在演讲前必须面对自己的恐惧。
B2 noun /kəˈroʊnə/

corona

一种类似于冠状的结构；也指太阳的外层大气
Meaning
a crown or crown-like structure; also refers to the outer atmosphere of the sun
Example
The sun's corona was visible during the total solar eclipse.
太阳的日冕在一次全日蚀时可见。
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。
B2 verb /kənˈtɛnd/

contend

竞争，主张
Meaning
to strive or compete for something; to assert earnestly
Example
Athletes from around the world contend for the championship.
来自世界各地的运动员为冠军而争斗。
B2 noun /ˈsɜːr.tən.ti/

Certainty

确定性
Meaning
firm conviction that something is the case; the quality of being reliably true
Example
We can say with certainty that the project will be completed on time.
我们可以确定地说，项目将按时完成。
B2 noun/adjective /səˈvɪliən/

civilian

平民
Meaning
a person not in the armed forces or police
Example
The area was evacuated to protect the civilians.
该区域已被疏散以保护平民。
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。
B2 adjective ˌkɒn.trəˈvɜː.ʃəl

controversial

有争议的
Meaning
Giving rise to public disagreement or heated discussion.
Example
The policy remains controversial.
该政策仍然存在争议。
B2 noun /ˌkrɛd.ɪˈbɪl.ɪ.ti/

credibility

可信度
Meaning
The quality of being trusted and believed in; trustworthiness.
Example
His credibility as a leader remains unquestioned.
他作为领导者的可信度无可争议。
B2 noun /kəˈmændər/

Commander

指挥官
Meaning
a person in authority over a military unit; leader of armed forces
Example
The commander ordered his troops to advance.
指挥官命令他的部队前进。
B2 adjective /ˈtʃaɪld.laɪk/

Childlike

像孩子一样; 天真和信任; 纯净和简单
Meaning
innocent and trusting like a child; having the good qualities of a child; pure and simple
Example
She maintained a childlike wonder about the world around her.
她对周围的世界保持着孩子般的惊奇。
B2 noun /kəmˈpɑːrt.mənt/

Compartment

车厢
Meaning
a separate section or division of a larger space, especially in a train
Example
We found seats in the first-class compartment.
我们在头等舱车厢找到了座位。
B2 noun /ˈtʃeɪmbər/

chamber

房间
Meaning
a large room used for formal or public events, or a private room.
Example
The king held meetings in his private chamber.
国王在他的私人房间里举行会议。
B2 verb /siːs/

cease

停止
Meaning
to bring or come to an end; to stop doing something
Example
The noise ceased as soon as the children went inside.
噪音一旦孩子们进去了就停止了。
B2 noun /ˈkætəlɔːɡ/

catalog

目录
Meaning
a complete list of items, typically arranged systematically
Example
The library provides an online catalog of all available books.
图书馆提供所有可用书籍的在线目录。
B2 adverb /ˈkæʒ.u.ə.li/

Casually

随便地; 放松且非正式的方式
Meaning
in a relaxed and informal way; without much thought or preparation
Example
He casually mentioned that he was leaving.
他随便提到他要走了。
B2 noun /ˈkaʊn.səl.ər/

counselor

顾问
Meaning
a person trained to give guidance on personal, social, or psychological problems
Example
The school counselor helped the student deal with stress.
学校的顾问帮助学生应对压力。
B2 adjective kɒnˈtek.stju.əl

contextual

情境的
Meaning
Depending on or relating to the circumstances or setting; context-dependent.
Example
Contextual meaning changes depending on usage.
上下文意义根据使用情况而变化。
B2 verb /krʌʃ/

crush

Meaning
to press or squeeze something so hard that it is damaged or destroyed
Example
He accidentally crushed the paper cup in his hand.
B2 verb /kriːp/

creep

爬行
Meaning
to move slowly and quietly; to make someone feel uncomfortable
Example
She crept quietly up the stairs to avoid waking anyone.
她悄悄地走上楼梯，以免吵醒任何人。
B2 adverb /kənˈtɪnjuəli/

Continually

持续地; 一再
Meaning
without stopping; repeatedly
Example
She continually checked her phone for messages.
她不断检查她的手机是否有新消息。
B2 noun /ˈkɒl.ər/

Collar

项圈
Meaning
a band of material around the neck; in jewelry context, a close-fitting necklace
Example
She wore an elegant pearl collar to the formal dinner.
她在正式晚宴上戴了一条优雅的珍珠项圈。
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。
B2 adjective /ˈkɒŋ.kriːt/

Concrete

坚固的；真实的；有形的；具体的
Meaning
solid; real; tangible; actual and specific
Example
We need concrete evidence to support our claims.
我们需要具体的证据来支持我们的主张。
B2 noun; verb /ˈkætəlɒɡ/

catalogue

目录
Meaning
a complete list of items, typically one in alphabetical or systematic order; to make a systematic list of items
Example
The library decided to catalogue all new books digitally.
图书馆决定以数字方式编目所有新书。
B2 adjective ˌkæt.əˈstrɑː.fɪk

catastrophic

灾难性的, 毁灭性的
Meaning
Involving or causing sudden great damage or suffering.
Example
Climate change has catastrophic consequences.
气候变化带来了灾难性的后果。
B2 noun /ˈkaʊnsələr/

counsellor

咨询师
Meaning
a person trained to give guidance on personal, social, or psychological problems; an advisor
Example
She spoke to a counsellor to get advice about her career.
她和一名咨询师谈了自己的职业问题。
B2 noun /ˌklæsɪfɪˈkeɪʃən/

classification

分类
Meaning
the action or process of classifying something into groups based on shared characteristics.
Example
The classification of animals helps in understanding their biology.
动物的分类有助于理解它们的生物学。