slack
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
B2 adjective /slæk/

slack

松弛
Meaning
not tight, firm, or busy; lacking tension or activity
Example
Business is slack during the rainy season.
在雨季生意很清淡。
B2 noun /dɪˈsɛnt/

descent

下降 / 血统
Meaning
the action of moving downward, falling, or dropping; ancestry or origin
Example
The climbers began their descent from the mountain peak.
登山者从山顶开始下降。
B2 noun /pætʃ/

Patch

补丁
Meaning
a small piece of material used to mend a hole; a small area of something different
Example
She sewed a patch over the hole in her jeans.
她在她的牛仔裤上的洞上缝了一个补丁。
B2 verb /rɪˈkɔːl/

recall

回忆
Meaning
to bring (a memory, fact, or situation) back into one's mind
Example
I can't recall the last time we met.
我记不得我们上次见面是什么时候。
B2 verb ˈstɪmjəleɪt

stimulate

刺激
Meaning
To encourage or promote the development or growth of something
Example
Proper sunlight stimulates plant growth.
适当的阳光刺激植物生长。
B2 noun /ˈlɪvər/

liver

肝脏
Meaning
a large organ in the body that cleans the blood and produces bile to help digest food.
Example
The liver plays a vital role in removing toxins from the body.
肝脏在清除体内毒素中起着至关重要的作用。
B2 adjective /kəmˈpækt/

Compact

紧凑; 小巧且高效设计
Meaning
closely and neatly packed together; small and efficiently designed
Example
She bought a compact car that fits easily in small parking spaces.
她买了一辆紧凑型汽车，轻松停入小停车位。
B2 noun /ˈɔr.fən/

Orphan

孤儿
Meaning
a child whose parents are dead; someone without protective support
Example
The orphan was adopted by a loving family.
孤儿被一户充满爱心的家庭收养了。
B2 adjective /ˈθret.ən.ɪŋ/

Threatening

威胁的; 恐吓的
Meaning
expressing a threat; menacing; intimidating
Example
The dark clouds looked threatening before the storm.
暴风雨来临前，黑暗的云看起来威胁重重。
B2 noun /ɪkˈskɜː.ʃən/

Excursion

短途旅行；旅游
Meaning
a short journey or trip, especially one engaged in as a leisure activity
Example
The school organized an excursion to the science museum for all students.
学校为所有学生组织了去科学博物馆的短途旅行。
B2 verb /blɛnd/

blend

混合
Meaning
to mix things together smoothly; to combine harmoniously
Example
She blends the ingredients carefully.
她小心地混合了配料。
B2 noun /kənˈtɛmpt/

contempt

Meaning
a strong feeling of dislike and lack of respect towards someone or something
Example
He spoke with contempt about the corrupt officials.
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 noun /ˈoʊvərpæs/

overpass

立交桥
Meaning
A bridge that carries one road or railway over another.
Example
The new overpass reduced traffic congestion in the city.
新的立交桥减少了城市的交通拥堵。
B2 adjective /veɪn/

Vain

虚荣; 徒劳
Meaning
having excessive pride in one's appearance; futile or unsuccessful
Example
She spent hours in front of the mirror being quite vain.
她在镜子前花了好几个小时，非常虚荣。
B2 verb /dɪˈsɛnd/

descend

Meaning
To move or fall downward; to come or go down from a higher place.
Example
The hikers descended the steep mountain path.
B2 adverb /ˈdɪmli/

dimly

昏暗
Meaning
in a faint or unclear way; with little light
Example
The room was dimly lit by a single candle.
房间被一根蜡烛微弱地照亮。
B2 adjective ˈstrʌktʃərd

structured

结构化
Meaning
Having a clear organization or framework; systematically arranged.
Example
A structured execution plan is crucial for success.
一个结构化的执行计划对于成功至关重要。
B2 noun /ˌpɪə.riˈɒd.ɪ.kəl/

periodical

期刊
Meaning
a magazine or journal published at regular intervals
Example
She subscribed to a science periodical.
她订阅了一个科学期刊。
B2 noun /ˈbænər/

banner

Meaning
a large printed sign used for advertisements or announcements
Example
The company displayed a banner to advertise their new product.
B2 noun /tækˈseɪʃən/

taxation

税收
Meaning
The system of imposing and collecting taxes.
Example
Taxation is necessary for funding public services.
税收对于资助公共服务是必要的。
B2 adjective /ʌnˈfeɪθ.fəl/

Unfaithful

不忠诚
Meaning
not loyal or true to a spouse, partner, or commitment
Example
He was unfaithful to his wife for many years.
他对妻子不忠诚多年。
B2 noun /treɪˈniː/

Trainee

实习生; 学徒
Meaning
a person undergoing training for a particular job or profession; a novice learner
Example
The medical trainee worked long hours to gain practical experience.
医学实习生工作了很长时间，以获得实践经验。
B2 noun prəˈɡreʃ.ən

progression

进展
Meaning
The process of developing or moving gradually towards a more advanced state.
Example
Progression in technology drives innovation.
技术的进展推动了创新。
B2 adjective dʒəˈnet.ɪk

genetic

遗传的
Meaning
Relating to genes or heredity; concerning the transmission of inherited characteristics.
Example
Genetic traits influence physical characteristics.
遗传特征影响身体特征。
B2 noun /ˈboʊld.nəs/

Boldness

大胆; 勇气
Meaning
willingness to take risks; confidence and courage in behavior
Example
Her boldness in confronting the problem impressed everyone.
她在面对问题时的大胆让所有人都印象深刻。
B2 noun /ˈjuː.sɪdʒ/

Usage

使用
Meaning
the action of using something; the way in which words are used in a language
Example
The dictionary explains the correct usage of difficult words.
词典解释了难词的正确用法。
B2 noun əˈsʌmp.ʃənz

assumptions

假设
Meaning
Things that are accepted as true or certain to happen, without proof.
Example
His assumptions about the project were completely wrong.
他对项目的假设完全错误。
B2 verb /lɪk/

lick

舔
Meaning
to pass the tongue over something; to defeat decisively
Example
The cat licked its paws clean.
猫舔干净了它的爪子。
B2 adjective /ɪmˈper.ə.tɪv/

imperative

命令式
Meaning
Of vital importance; crucial; giving or expressing a command.
Example
It is imperative to address the climate crisis immediately.
必须立即解决气候危机。
B2 verb /ˌkɒmprɪˈhɛnd/

comprehend

理解
Meaning
to understand or grasp the meaning of something
Example
It is difficult to comprehend the scale of the disaster.
理解灾难的规模很困难。
B2 adjective /ˈdɛntəl/

dental

牙科的
Meaning
relating to teeth or dentistry
Example
She goes for a dental checkup every six months.
她每六个月进行一次牙科检查。
B2 noun /sneɪl/

Snail

蜗牛
Meaning
a small soft creature with a shell on its back that moves very slowly
Example
The snail left a shiny trail as it crawled across the leaf.
蜗牛在叶子上爬行时留下了一条闪亮的痕迹。
B2 adjective /ˈɡlɔːr.i.əs/

Glorious

荣耀的; 著名的;
Meaning
magnificent; famous; having great beauty or splendor
Example
The sunset was absolutely glorious.
日落绝对是荣耀的。
B2 adjective /ˈtɪm.ɪd/

Timid

害羞; 胆小
Meaning
shy and lacking confidence; easily frightened
Example
She was too timid to speak in public.
她太害羞，无法在公众面前讲话。
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 adverb /ʌnˈwɪlɪŋli/

unwillingly

不情愿地
Meaning
in a way that shows reluctance or lack of desire; not willingly
Example
She unwillingly agreed to attend the meeting.
她不情愿地同意参加会议。
B2 noun /ˌdaɪəˈbiːtiːz/

diabetes

幸福
Meaning
a medical condition in which the body cannot properly control the level of sugar in the blood
Example
He was diagnosed with type 2 diabetes last year.
她收到奖项时，无法掩饰自己的幸福。
B2 noun /ˈzaɪləfoʊn/

Xylophone

木琴
Meaning
a percussion instrument consisting of wooden bars that are struck with mallets to produce musical tones
Example
The children enjoyed playing the colorful xylophone in music class.
孩子们在音乐课上很喜欢玩颜色鲜艳的木琴。
B2 noun /ˌɪntərˈfɪərəns/

interference

干扰
Meaning
the action of interfering with something
Example
The radio signal was disrupted due to interference from nearby electronics.
由于附近电子设备的干扰，无线电信号受到了干扰。
B2 adverb /əˈfek.ʃən.ət.li/

Affectionately

亲切地
Meaning
in a way that shows feelings of liking or love; with fondness and care
Example
She hugged her grandmother affectionately.
她温柔地拥抱了她的祖母。
B2 noun /rɪˈstrɪk.ʃən/

Restriction

限制; 限定; 控制
Meaning
a limiting condition or measure; the limitation or control of someone or something
Example
There are strict restrictions on smoking in public places.
在公共场所吸烟有严格的限制。
B2 noun /ˌmedɪˈkeɪʃən/

medication

药物
Meaning
a drug or other form of medicine used to treat or prevent disease
Example
The doctor prescribed medication for his headache.
医生为他的头痛开了药物。
B2 noun/verb /bʌk/

buck

Meaning
A male deer; also to resist or oppose strongly.
Example
The horse began to buck wildly as the rider tried to hold on.
B2 noun /flɛkˈsɪbɪləti/

flexibility

灵活性
Meaning
The quality of bending easily without breaking; willingness to change or compromise.
Example
The flexibility of the working hours made it easier to balance work and personal life.
工作时间的灵活性使得平衡工作和个人生活变得更加容易。
B2 noun /ˈɔːɡənɪzəm/

organism

有机体
Meaning
a living thing that has an organized structure and can grow and reproduce
Example
Every organism needs water to survive.
每个有机体都需要水才能生存。
B2 noun /ˈɡɑː.mənt/

garment

衣物
Meaning
An item of clothing.
Example
She bought a new garment for the party.
她为派对买了件新衣物。
B2 adjective /ˈʃæb.i/

Shabby

破旧的; 状况差的; 显示磨损迹象的; 不公平或残忍的
Meaning
worn out; in poor condition; showing signs of wear; unfair or mean
Example
His shabby clothes showed that he had been traveling for days.
他的破旧衣服显示他已经旅行了几天。
B2 adverb /ˌæksɪˈdɛntəli/

accidentally

偶然地
Meaning
happening by chance or unexpectedly
Example
He accidentally dropped the glass.
他不小心把玻璃杯打翻了。
B2 noun /ˈskuːtər/

scooter

滑板车
Meaning
a small two-wheeled vehicle powered by an engine or electricity
Example
She rides a scooter to work every day.
她每天骑滑板车去上班。
B2 adjective /ˌʌnrɪˈlaɪəbl/

Unreliable

不可靠的; 不能被信任或依赖
Meaning
not dependable; not able to be trusted or relied upon
Example
The old car is unreliable and breaks down frequently.
这辆老车不可靠，常常坏掉。
B2 adjective /rɪˈlaɪ.ənt/

reliant

依赖的
Meaning
depending on someone or something for support
Example
The country is too reliant on imported goods.
这个国家过于依赖进口商品。
B2 noun ˈʃeɪdɪd ˈɛəriə

shaded area

遮阳区
Meaning
An area that is protected from direct sunlight.
Example
We sat in a shaded area by the riverbank.
我们坐在河岸的遮阳区。
B2 verb ˈwɜːrsən

worsen

恶化
Meaning
To make or become worse; to deteriorate in quality, condition, or degree.
Example
Lack of education can worsen poverty levels.
缺乏教育可能会恶化贫困水平。
B2 adjective /ˈkwestʃənəbl/

Questionable

可疑的
Meaning
doubtful; dubious; suspicious; open to doubt or suspicion
Example
His questionable business practices led to an investigation.
他的可疑商业行为导致了一项调查。
B2 adjective /ˈpɒlɪʃt/

polished

精致，优雅和精炼
Meaning
refined, sophisticated, and elegant in appearance or behavior
Example
She gave a polished performance at the recital.
她在音乐会上的表演非常精致。
B2 verb /prɪˈsiːd/

precede

先行
Meaning
to come before something in time, order, or position
Example
A brief introduction precedes each chapter.
简短的介绍先于每一章。
B2 verb /ɪˈvoʊk/

evoke

唤起
Meaning
to bring a feeling, memory, or image into the mind
Example
The old song evoked memories of her childhood.
那首老歌唤起了她童年的回忆。
B2 noun, adjective /hjuːˌmænɪˈtɛəriən/

humanitarian

人道主义者
Meaning
A person who seeks to promote human welfare, or something relating to human welfare and compassion.
Example
The organization provides humanitarian aid to disaster victims.
该组织为灾难受害者提供人道主义援助。
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 noun /stæns/

stance

立场
Meaning
a person's attitude, opinion, or position on an issue
Example
The company took a strong stance on environmental protection.
公司在环境保护问题上采取了强硬立场。
B2 verb /ˈtɜːrmɪˌneɪt/

terminate

终止
Meaning
to bring something to an end or to stop something from continuing
Example
The company decided to terminate his contract.
公司决定终止他的合同。
B2 verb /ˈræl.i/

rally

Meaning
to come together for a common purpose or to recover strength or spirit
Example
The team rallied after halftime and won the match.
B2 noun /ˈskɒl.ər/

Scholar

学者；学术人员
Meaning
a person who has studied a subject for a long time and knows a lot about it; an academic
Example
The renowned scholar published several books on ancient history.
著名学者出版了几本关于古代历史的书籍。
B2 adjective /fəˈɡɪv.ɪŋ/

Forgiving

宽容
Meaning
ready and willing to forgive; merciful; lenient
Example
She has a forgiving nature and rarely holds grudges.
她有宽容的天性，几乎不记仇。
B2 adjective ˌæn.tiˌdɪs.krɪˈmɪn.eɪ.ʃən

anti-discrimination

反歧视的
Meaning
Opposed to or working against discrimination; promoting equal treatment regardless of differences.
Example
The anti-discrimination movement was groundbreaking.
反歧视运动是突破性的。
B2 adjective /ˈwɪt.i/

Witty

机智的; 有趣的
Meaning
having or showing quick intelligence; amusing in a clever way
Example
Her witty response to the critic's question impressed the entire audience.
她机智的回答让批评者的问题给整个观众留下了深刻的印象。
B2 noun /rɪˈfreʃ.mənt/

Refreshment

茶点
Meaning
food and drink that is served as a light meal; something that refreshes
Example
We served light refreshments after the meeting.
我们在会议后提供了轻便的茶点。
B2 noun /ˈfɪʃ.ɪŋ/

phishing

通过欺诈手段窃取信息
Meaning
The fraudulent practice of sending emails purporting to be from reputable companies in order to induce individuals to reveal personal information.
Example
Phishing emails often trick people into revealing passwords.
钓鱼邮件通常会欺骗他人泄露密码。
B2 noun /ˈaʊtɪŋ/

outing

短途旅行
Meaning
a short trip or excursion, often for leisure or enjoyment
Example
They had a lovely outing at the beach last weekend.
他们上周末在海滩上度过了一个美好的短途旅行。
B2 noun /ˌkovuːɪɡˈzɪs.təns/

Co-existence

共存
Meaning
the state of existing together at the same time or in the same place; peaceful cohabitation
Example
The peaceful co-existence of different cultures makes this city unique.
不同文化的和平共存使这座城市独一无二。
B2 noun /θret/

Threat

威胁
Meaning
a statement of intention to inflict harm; a person or thing likely to cause danger
Example
The storm poses a serious threat to coastal areas.
暴风雨对沿海地区构成严重威胁。
B2 verb /dɪˈvaɪz/

devise

设计
Meaning
To plan or invent something carefully.
Example
The engineers devised a new method to reduce costs.
工程师们设计了一种新的方法来降低成本。
B2 noun /fɪst/

Fist

拳头; 拳击
Meaning
a person's hand when the fingers are bent in toward the palm and held there tightly
Example
He raised his fist in victory after winning the championship match.
他在赢得冠军比赛后举起了拳头。
B2 noun ˈwɜːrkˌləʊd

workload

工作量
Meaning
The amount of work to be done by someone or something.
Example
His workload has increased dramatically in the past month.
他的工作量在上个月急剧增加。
B2 noun, adjective, adverb /ˌnɔːrθˈwest/

northwest

西北
Meaning
the direction that is between north and west; situated in or moving toward this direction
Example
Seattle is located in the northwest of the United States.
西雅图位于美国的西北部。
B2 noun /ɡaʊn/

Gown

礼服
Meaning
a long dress, typically worn on formal occasions; a loose robe worn for comfort or in professional settings
Example
She looked elegant in her evening gown at the graduation ceremony.
她在毕业典礼上穿着晚礼服，看起来很优雅。
B2 noun /ˈhɑːr.bər/

Harbour

港口
Meaning
a place on the coast where vessels may find shelter; a place of safety or refuge
Example
The fishing boats returned safely to the harbour before the storm hit the coastline.
渔船在风暴袭击海岸之前安全地回到了港口。
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 noun /ˈsæksəfoʊn/

Saxophone

萨克斯风
Meaning
a wind musical instrument with a curved metal body and a single reed mouthpiece
Example
The jazz musician played a beautiful solo on his saxophone.
爵士乐手在他的萨克斯风上演奏了一首美妙的独奏。
B2 adjective /ˈpæʃənət/

passionate

热情的
Meaning
showing or caused by strong feelings or a strong belief
Example
He is passionate about environmental conservation.
他对环境保护充满热情。
B2 noun /ˈtɜːr.nɪp/

Turnip

萝卜
Meaning
a round root vegetable with white or purple skin and white flesh
Example
We grew turnips in our vegetable garden.
我们在菜园里种了萝卜。
B2 adjective /ʌnˈkwɒl.ɪ.faɪd/

Unqualified

不合格的; 无资格的;
Meaning
not having the necessary skills or qualifications; complete or absolute
Example
He was unqualified for the engineering position due to lack of experience.
他因缺乏经验而不适合这个工程职位。
B2 noun dɪˈveləpɪŋ ˈriːdʒənz

developing regions

发展中国家
Meaning
Areas or countries that are in the process of economic growth and development
Example
Pollution affects developing regions the most.
污染最严重地影响发展中国家。
B2 adjective /trænˈspærənt/

Transparent

透明的
Meaning
allowing light to pass through; clear and obvious; honest and open
Example
The company maintains transparent business practices.
公司保持透明的商业实践。
B2 verb /kənˈsoʊl/

console

安慰
Meaning
to comfort someone who is sad or disappointed; to provide solace
Example
She tried to console her friend after the loss.
她试图在失落后安慰她的朋友。
B2 adjective /ˌpeɪ.triˈɑː.tɪk/

Patriotic

爱国的
Meaning
showing love for one's country
Example
The patriotic citizens celebrated Independence Day with great enthusiasm.
爱国的公民们以极大的热情庆祝独立日。
B2 adjective /ˈmɛtrɪk/

metric

米特里克
Meaning
Relating to the metric system of measurement; also, a standard of measurement used to assess performance.
Example
The company tracks success using clear performance metrics.
公司通过使用清晰的绩效指标来追踪成功。
B2 noun əˈʃɔː.rəns

assurance

保证
Meaning
A positive declaration intended to give confidence; a promise.
Example
Assurance of quality is a priority for the council.
质量保证是委员会的优先事项。
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 /vɪkˈtɔː.ri.əs/

Victorious

胜利的
Meaning
having won a victory; successful in a struggle or contest
Example
The victorious team celebrated their championship win with great joy.
胜利的队伍以巨大的喜悦庆祝他们的冠军胜利。
B2 adjective /kənˈsɜːvətɪv/

conservative

保守的
Meaning
Favoring traditional views and values; resistant to change.
Example
He has conservative views on family and society.
他对家庭和社会持有保守的看法。
B2 verb /pɪntʃ/

pinch

捏
Meaning
to squeeze tightly between the fingers; to take a small amount
Example
She pinched a bit of salt into the soup.
她在汤里放了一点盐。
B2 adjective /ˈstæt.ɪk/

static

静态
Meaning
Lacking in movement, action, or change; stationary.
Example
Static ideas hinder progress.
静态的想法阻碍了进步。
B2 adjective /ˌfɪl.əˈsɒf.ɪ.kəl/

philosophical

哲学的
Meaning
relating to the study of the fundamental nature of knowledge, reality, and existence
Example
She maintained a calm and philosophical attitude during the crisis.
她在危机期间保持了冷静和哲学的态度。
B2 noun /ˈmaɪnd.fʊl.nəs/

mindfulness

正念
Meaning
The basic human ability to be fully present, aware of where we are and what we're doing.
Example
Mindfulness practices improve focus and emotional balance.
正念练习可以改善专注力和情感平衡。
B2 verb /poʊk/

poke

戳
Meaning
to push or prod with a finger or pointed object
Example
Don't poke me with your finger.
不要用手指戳我。
B2 noun /ˈwel.feər/

Welfare

福利; 健康; 幸福
Meaning
the health, happiness, and fortunes of a person or group; care and support
Example
The government is responsible for the welfare of its citizens.
政府负责公民的福利。
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。
B2 noun /əˌveɪləˈbɪləti/

availability

可用性
Meaning
the state of being able to be used or obtained
Example
The availability of clean water is crucial for health.
清洁水的可用性对健康至关重要。
B2 noun /ˈhɔːr.ər/

Horror

恐怖; 强烈的恐惧感; 厌恶
Meaning
an intense feeling of fear, shock, or disgust; something that causes such feelings
Example
The survivors described the horror of the earthquake that destroyed their entire village.
幸存者描述了地震的恐怖，地震摧毁了他们整个村庄。
B2 verb /ˈtɑːləreɪt/

tolerate

容忍
Meaning
to accept or endure something unpleasant without complaining; to allow something to exist
Example
I cannot tolerate such rude behavior in my classroom.
我不能容忍在我的课堂上出现如此粗鲁的行为。
B2 verb /ˈsɒfən/

soften

使变软
Meaning
to make or become less hard, severe, or strong.
Example
Heat will soften the butter quickly.
热量会很快使黄油变软。
B2 noun /ˈsikwəns/

Sequence

序列
Meaning
a particular order in which related events, movements, or things follow each other; a set of related events, movements, or things that follow each other in a particular order
Example
The dance sequence was perfectly choreographed.
舞蹈序列被完美地编排。
B2 noun /ˈskʌlp.tər/

Sculptor

雕塑家
Meaning
an artist who creates sculptures by carving, modeling, or shaping materials
Example
The sculptor spent months creating a beautiful marble statue.
雕塑家花了几个月时间制作一座美丽的大理石雕像。
B2 adjective ˈmem.ər.ə.bəl

memorable

值得记住的
Meaning
Worth remembering or easily remembered, especially because of being special or unusual.
Example
Memorable events inspire generations.
值得记住的事件激励着一代又一代。
B2 noun /ˈbæk.boʊn/

Backbone

脊柱
Meaning
the series of vertebrae extending from the skull to the pelvis; spine
Example
He injured his backbone in the accident.
他在事故中伤了他的脊柱。
B2 noun /veɪn/

Vein

静脉; 血管
Meaning
a blood vessel that carries blood back to the heart; a streak or marking of a different color
Example
The nurse found a vein in his arm to draw blood.
护士在他手臂上找到了静脉来抽血。
B2 adjective /ˈwʌrisəm/

Worrisome

令人担忧的; 令人不安的
Meaning
causing anxiety or concern; troubling
Example
The student's declining grades were worrisome to his parents.
学生的成绩下降让他的父母感到担忧。
B2 noun ˈoʊzoʊn dɪˈpliʃən

ozone depletion

臭氧消耗
Meaning
The reduction in the amount of ozone in the Earth's stratosphere, leading to increased UV radiation.
Example
Ozone depletion increases UV radiation.
臭氧消耗增加了紫外线辐射。
B2 noun /braʊ/

brow

额头
Meaning
the part of the face above the eyes; forehead
Example
She wiped the sweat from her brow.
她擦去了额头上的汗水。
B2 verb dɪˈspætʃt

dispatched

派遣
Meaning
To send off to a destination or for a purpose.
Example
A team was dispatched quickly.
一支队伍被迅速派遣。
B2 noun /ˈden.sə.ti/

Density

密度
Meaning
the degree of compactness of a substance; the quantity of something per unit area
Example
The density of population in the city center is extremely high.
市中心的人口密度极高。
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 adjective /ˈɒp.ʃən.əl/

Optional

可选的
Meaning
not compulsory; left to choice
Example
Wearing a tie is optional for this event.
穿领带是这个活动的可选项。
B2 verb rɪˈstɔːr

restore

恢复
Meaning
To bring back to a former or original state; to reinstate.
Example
Restoring the tradition of student politics is necessary.
恢复学生政治传统是必要的。
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 noun /'ræd.ɪʃ/

Radish

小萝卜
Meaning
a small pungent edible root vegetable with white or red skin
Example
The farmer harvested fresh radishes from the garden.
农民从花园里收获了新鲜的小萝卜。
B2 verb /ɪɡˈzɜrt/

exert

施加
Meaning
to apply or bring to bear; to use physical or mental effort
Example
He exerted all his strength to lift the heavy box.
他全力以赴抬起沉重的箱子。
B2 noun /broʊtʃ/

brooch

Meaning
a decorative jewelry pin that is attached to clothing
Example
She wore a beautiful silver brooch on her jacket.
B2 adjective /ˈʃeɪ.di/

Shady

有阴影的; 可疑的; 不诚实的;
Meaning
providing shade; dishonest; suspicious
Example
The shady businessman made a suspicious deal.
那个有阴影的商人做了一笔可疑的交易。