circulation
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B2 noun /ˌsɜː.kjʊˈleɪ.ʃən/

circulation

zh_translation
Meaning
The movement of blood through the body, or the movement of any fluid through a closed system.
Example
Proper circulation ensures that oxygen and nutrients reach every cell.
zh_example_sentence_translation
C2 adjective /lɪˈtɪdʒəs/

litigious

好诉讼的
Meaning
prone to engage in lawsuits or overly inclined to argue legally
Example
He is known as a litigious neighbor who often sues people.
他被认为是一个爱打官司的邻居，经常起诉别人。
B1 verb /spaɪ/

spy

间谍
Meaning
to secretly collect information about a person, group, or country
Example
He was caught spying on his neighbor through the window.
他在窗户旁边偷偷地监视邻居时被抓住了。
B2 noun /ˈkɒm.ɪt/

Comet

彗星
Meaning
a celestial object consisting of ice and dust that develops a tail when approaching the sun
Example
Halley's Comet appears in the sky every 76 years.
哈雷彗星每76年出现在天空中。
B2 noun /taɪm/

thyme

百里香
Meaning
A small aromatic herb used in cooking and medicine.
Example
She sprinkled thyme on the roasted chicken.
她撒上百里香在烤鸡上。
B2 adjective /ɪkˈskluːsɪv/

exclusive

仅限于特定的人、团体或区域；不与他人共享
Meaning
restricted to a particular person, group, or area; not shared with others
Example
The hotel offers exclusive access to a private beach.
酒店提供专属通往私人海滩的通道。
C1 adjective /ɪˈɡriːdʒəs/

egregious

极其严重
Meaning
Outstandingly bad; shocking.
Example
The company was fined for its egregious safety violations.
该公司因其极其严重的安全违规行为而被罚款。
C2 noun /əˈbeɪəns/

abeyance

暂时中止
Meaning
a state of temporary suspension or inactivity
Example
The project was held in abeyance until funds became available.
该项目已暂停，直到资金可用。
B2 verb /ˌdɪsɪnˈfɛkt/

disinfect

消毒
Meaning
to clean something thoroughly to destroy bacteria or viruses
Example
The nurse disinfected the wound before applying a bandage.
护士在敷上绷带之前消毒了伤口。
C1 noun /ˈædʒʌŋkt/

adjunct

附加物
Meaning
a thing added to something else as a supplementary part
Example
The professor worked as an adjunct at the university.
教授在大学担任附加职位工作。
C2 noun /ˈliːdʒənəri/

legionary

罗马士兵
Meaning
a soldier in the Roman army
Example
Each legionary carried a shield and a short sword.
每个军团士兵都带着盾牌和一把短剑。
C2 verb /ˈdʒɪb.ər/

gibber

语无伦次地说
Meaning
To speak rapidly and unintelligibly, typically through fear or shock.
Example
The frightened man began to gibber when he saw the ghost.
那个害怕的男人看到鬼魂时开始语无伦次地说话。
C1 adjective /ɪnˈdiːsənt/

indecent

不雅的
Meaning
not conforming to accepted standards of behavior or morality; improper or offensive
Example
He was warned for making an indecent remark during the meeting.
他因为说了不雅的话而受到警告。
C1 noun ˌriːˈstrʌk.tʃər.ɪŋ

restructuring

重组
Meaning
The action of organizing something differently.
Example
The company underwent restructuring to improve efficiency.
公司进行重组以提高效率。
C1 noun /ɪnˈkɒmpɪtəns/

incompetence

不称职
Meaning
Lack of ability, skill, or effectiveness in doing something.
Example
The project failed due to the manager’s incompetence.
由于经理的不称职，项目失败了。
B2 noun /ˈtrænskrɪpt/

transcript

转录本
Meaning
a written or printed version of material originally presented in another medium
Example
The professor asked for a transcript of the meeting.
教授要求提供会议的转录本。
A1 noun /wɔːl/

wall

墙
Meaning
a vertical structure that encloses or divides an area
Example
The wall in our living room is painted blue.
我们客厅的墙壁被涂成了蓝色。
C2 verb /ˈpɜːrdʒər/

perjure

作伪证
Meaning
To knowingly tell a lie in a court of law after swearing to tell the truth.
Example
He was accused of trying to perjure himself during the trial.
他被指控在审判过程中试图作伪证。
C1 verb /priːˈɛmpt/

preempt

预防
Meaning
To take action in order to prevent something from happening; to take the place of something.
Example
The government acted quickly to preempt a financial crisis.
政府迅速采取行动，预防金融危机。
C1 adjective /ˈtæŋ.i/

tangy

辛辣
Meaning
Having a strong, sharp, and pleasantly biting flavor or taste.
Example
The sauce had a tangy flavor that brightened the dish.
这个酱料有一种辛辣的味道，让菜肴更加美味。
C2 adjective /ˌɪnkəmˈprɛsəbl/

incompressible

不可压缩
Meaning
Not able to be pressed or squeezed into a smaller space.
Example
Liquids are generally considered incompressible.
液体通常被认为是不可压缩的。
C1 noun /ˌstætɪˈstɪʃən/

statistician

统计学家
Meaning
A person who specializes in collecting, analyzing, and interpreting numerical data.
Example
The statistician presented the survey results with great clarity.
统计学家以极大的清晰度展示了调查结果。
C1 verb /ˌæprɪˈhɛnd/

apprehend

逮捕
Meaning
to arrest or seize someone; to understand or perceive something
Example
The police managed to apprehend the thief after a long chase.
警察在一场长时间的追逐后成功逮捕了小偷。
C2 noun /ˌpɛkjʊˈleɪʃən/

peculation

挪用公款
Meaning
The act of embezzling or stealing money, especially from public funds.
Example
The minister resigned after being accused of peculation.
部长在被指控参与挪用公款后辞职。
B1 noun /aʊl/

Owl

猫头鹰
Meaning
a nocturnal bird of prey with large eyes and a hooked beak
Example
The owl hooted softly in the darkness of the forest.
猫头鹰在森林的黑暗中轻轻地叫了。
C2 noun /ˈtrʌmpəri/

trumpery

毫无价值的废话或浮华但无价值的东西
Meaning
worthless nonsense or showy but worthless things
Example
The speech was full of political trumpery.
这个演讲充满了政治废话。
B2 noun /ˈstæm.ɪ.nə/

Stamina

耐力
Meaning
the ability to sustain prolonged physical or mental effort
Example
Marathon runners need great stamina to complete the race.
马拉松选手需要强大的耐力才能完成比赛。
C1 adjective /daɪˈvɜːrsɪfaɪd/

diversified

多样化的
Meaning
Made or having variety in form, nature, or content.
Example
The company adopted a diversified business strategy to reduce risks.
公司采纳了多样化的商业战略来降低风险。
B2 adjective /ˈteɪst.ləs/

Tasteless

没有味道
Meaning
lacking flavor; showing poor judgment in style
Example
The soup was completely tasteless and needed more seasoning.
汤完全没有味道，需要更多的调味料。
B2 noun /ˌvʌl.nər.əˈbɪl.ə.ti/

vulnerability

脆弱性
Meaning
The quality or state of being exposed to the possibility of being attacked or harmed.
Example
Addressing vulnerability is crucial for stability.
解决脆弱性对于稳定性至关重要。
C2 noun /ˈkæʒuɪstri/

casuistry

诡辩术
Meaning
The use of clever but false reasoning, especially in relation to moral questions.
Example
The lawyer’s argument was dismissed as mere casuistry.
律师的辩论被作为单纯的诡辩术驳回了。
C1 noun ˈiːkəʊˌsɪstəm ˈsɜːvɪsɪz

ecosystem services

生态系统服务
Meaning
The benefits people obtain from ecosystems.
Example
Forests provide valuable ecosystem services, such as purifying air and water.
森林提供有价值的生态系统服务，如空气和水的净化。
B2 adverb /ˈɒdli/

oddly

奇怪地
Meaning
in a strange or unusual way; unexpectedly
Example
Oddly, he didn’t seem upset by the bad news.
奇怪的是，他似乎并没有因为坏消息而难过。
C2 noun /ˌɪmprɪˈkeɪʃən/

imprecation

诅咒
Meaning
A spoken curse or expression of strong condemnation.
Example
The angry crowd hurled imprecations at the corrupt official.
愤怒的人群向腐败的官员投掷了诅咒。
C2 adjective /ˈnɒti/

knotty

复杂
Meaning
Complicated, difficult to solve or full of knots.
Example
He faced a knotty legal issue.
他面临一个复杂的法律问题。
C1 noun /ˈpriːˌkɜrsər/

precursor

前身
Meaning
Something or someone that comes before another and indicates the approach of something else.
Example
The steam engine was a precursor to modern trains.
蒸汽机是现代火车的前身。
C1 noun /ˌdɛsɪˈmeɪʃən/

decimation

大规模摧毁
Meaning
The act of destroying or killing a large proportion of something.
Example
The decimation of the city left thousands homeless.
城市的毁灭使成千上万的人无家可归。
A1 noun /peɪdʒ/

page

页面
Meaning
one side of a sheet of paper, or a single sheet of paper in a book or document
Example
Turn to the next page for more information.
转到下一页以获取更多信息。
C2 adverb /ˈwɪtɪŋli/

wittingly

故意
Meaning
Consciously and intentionally; on purpose.
Example
He wittingly withheld information from the police.
他故意隐瞒了警方的信息。
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 noun /biːt/

Beet

甜菜
Meaning
a plant with a round dark red root that is eaten as a vegetable
Example
Roasted beet with goat cheese makes a delicious salad.
烤甜菜配山羊奶酪做成美味的沙拉。
B2 noun /ˈoʊ.dər/

Odour

气味
Meaning
a distinctive smell, especially an unpleasant one
Example
The odour of fresh bread filled the kitchen.
新鲜面包的气味充满了厨房。
B2 verb /ɪˈvæljueɪt/

evaluate

评估
Meaning
To assess or judge the value, quality, or significance of something.
Example
The teacher will evaluate the students’ projects tomorrow.
老师明天将评估学生的项目。
B2 noun /pænt/

Pant

裤子
Meaning
a piece of clothing worn on the lower body covering each leg separately
Example
She bought a new pair of pants for the party.
她为派对买了一条新裤子。
C1 adjective /məˈlɪɡnənt/

malignant

恶性
Meaning
dangerous or harmful in influence or effect; medically, tending to invade and destroy tissue
Example
Doctors confirmed that the tumor was malignant.
医生确认肿瘤是恶性的。
A2 pronoun /hɜːrˈsɛlf/

herself

她自己
Meaning
used to refer to a female person as the object of a verb or preposition when she is the subject
Example
She prepared the meal all by herself.
她自己做了饭。
C2 adjective /ˈbrækɪʃ/

brackish

咸淡水
Meaning
Slightly salty, often describing water that is a mix of fresh and seawater.
Example
The river estuary contained brackish water.
河口含有咸淡水。
B1 verb /rɪˈper/

repair

修理
Meaning
to fix something that is broken or damaged
Example
The mechanic will repair the car's engine tomorrow.
机械师明天将修理汽车发动机。
B2 adjective /əˈtɒm.ɪk/

Atomic

原子
Meaning
relating to atoms or atomic energy; extremely small
Example
The atomic structure of hydrogen is the simplest.
氢的原子结构是最简单的。
B1 noun /ˈspɛndɪŋ/

spending

Meaning
the act of paying money for goods or services
Example
Her spending on clothes was higher than expected.
C2 noun /fɪˈlɒl.ə.dʒi/

philology

研究语言在书面历史资料中的应用; 语言学
Meaning
the study of language in written historical sources; linguistics
Example
She devoted her career to philology, researching ancient manuscripts.
她将自己的职业生涯献给了语言学，研究古代手稿。
A2 adjective /maɪˈnuːt/

Minute

极小的; 微小的; 详细的; 精确的
Meaning
extremely small; tiny; detailed; precise
Example
The scientist examined minute details under the microscope.
科学家在显微镜下检查了微小的细节。
C1 noun /tɪnt/

tint

色调
Meaning
a slight shade or variation of a color
Example
The walls were painted white with a slight blue tint.
墙壁被涂成了白色，并带有一抹淡蓝色。
B1 noun /ˈvæl.juː/

Value

价值; 价格; 重要性
Meaning
the importance or worth of something; the amount of money that something is worth
Example
This antique vase has great sentimental value to our family.
这个古董花瓶对我们家来说具有很大的情感价值。
C1 noun /meɪl treɪn/

Mail train

邮政列车
Meaning
a train that carries mail and postal packages
Example
The mail train departs every evening to deliver letters across the country.
邮件列车每天晚上发车，跨越全国递送信件。
C2 noun /ˈbroʊɡən/

brogan

厚重鞋
Meaning
A heavy, sturdy shoe, often made of leather.
Example
The farmer wore old brogans while working in the field.
农民在田间工作时穿着旧布罗根鞋。
B2 noun /stəˈbɪl.ə.ti/

Stability

稳定性
Meaning
the state of being stable; firmness; steadiness
Example
Political stability is essential for economic growth.
政治稳定对经济增长至关重要。
C2 noun /ˈiːɡlət/

eaglet

小鹰
Meaning
A young eagle.
Example
The eaglet waited in the nest for its mother to return.
小鹰在巢中等待母亲回来。
B2 noun /ˌaɪ.səˈleɪ.ʃən/

Isolation

隔离
Meaning
the process or fact of isolating or being isolated; separation from other people or things
Example
The patient was kept in isolation to prevent the spread of the infectious disease.
病人被隔离，以防止传染病的传播。
C2 verb /bɪˈwɪtʃ/

bewitch

迷住
Meaning
to enchant or fascinate someone as if by magic
Example
The dancer's performance bewitched the audience.
舞蹈家的表演迷住了观众。
A2 noun /pɛt/

pet

宠物
Meaning
a domesticated animal kept for companionship or pleasure
Example
My dog is my favorite pet.
我的狗是我最喜欢的宠物。
C2 verb /ˈpælieɪt/

palliate

缓解
Meaning
to make a disease, symptoms, or problem less severe without removing the cause
Example
The doctor prescribed medicine to palliate the patient's pain.
医生开药来缓解病人的疼痛。
C1 noun /ˈvɪdʒ.ɪ.ləns/

vigilance

警觉
Meaning
The action or state of keeping careful watch for possible danger or difficulties.
Example
Constant vigilance is required in cybersecurity.
在网络安全中，持续的警觉是必需的。
B2 noun/verb /ɡʌt/

gut

胃 / 勇气
Meaning
The stomach or belly; also used for courage, instinct, or to remove the inside of something.
Example
He had the guts to stand up for his beliefs.
他有勇气捍卫自己的信念。
C2 verb /səˈbɔːrn/

suborn

贿赂
Meaning
to bribe or induce someone unlawfully to perform an act, especially to commit perjury
Example
The lawyer was accused of trying to suborn a witness.
律师被指控试图贿赂一名证人。
C1 noun ˌɪn.fɪlˈtreɪ.ʃən

infiltration

渗透，秘密进入
Meaning
The process of entering or gaining access to an organization or place surreptitiously.
Example
Cybersecurity prevents infiltration into sensitive data.
网络安全防止了对敏感数据的渗透。
A2 noun /sɜːr/

sir

先生
Meaning
a respectful or formal form of address used for a man, typically one of higher social status or authority
Example
Sir, may I assist you with your order?
先生，我可以帮您处理订单吗？
C1 noun /ˈmæk.ər.əl/

Mackerel

鲭鱼
Meaning
a streamlined marine fish with a forked tail and wavy stripes
Example
Mackerel is rich in omega-3 fatty acids.
鲭鱼富含欧米伽-3脂肪酸。
C1 adjective vəˈreɪ.ʃəs

voracious

贪吃的
Meaning
Having a very eager approach to an activity; wanting or devouring great quantities of food or having an insatiable appetite.
Example
He has a voracious appetite for knowledge.
他对知识有着贪吃的胃口。
B2 verb /kənˈsiːl/

conceal

隐藏
Meaning
to hide something or keep it secret
Example
He tried to conceal his disappointment behind a smile.
他试图用微笑掩饰自己的失望。
C2 verb /dʒaʊst/

joust

Meaning
to engage in a medieval contest on horseback with lances; to compete or argue
Example
The knights prepared to joust in front of the cheering crowd.
B1 verb /ˈɒpəreɪtɪŋ/

operating

操作
Meaning
to control or manage the functioning of something
Example
The company has been operating in this market for five years.
公司已经在这个市场运营了五年。
A1 noun /kaʊ/

Cow

奶牛
Meaning
a large farm animal kept for milk or meat
Example
The cow produces fresh milk every morning.
奶牛每天早上产鲜牛奶。
C1 noun dɪˈpliː.ʃən

depletion

枯竭
Meaning
The gradual reduction or exhaustion of a resource or substance.
Example
Overuse of groundwater leads to depletion of water resources.
过度使用地下水会导致水资源的枯竭。
C1 verb, noun /lɜːrtʃ/

lurch

Meaning
to make an abrupt, unsteady, or uncontrolled movement; a sudden movement or stagger
Example
The bus lurched forward as the driver hit the brakes.
C2 adjective /ˌhæfˈhɑːr.tɪd/

halfhearted

半心半意
Meaning
lacking enthusiasm or determination; unenthusiastic
Example
His halfhearted attempt to study did not bring good results.
他半心半意的学习尝试没有带来好结果。
A2 noun /æd/

ad

广告
Meaning
a notice or announcement in a public medium promoting a product, service, or event
Example
The company released a new ad for their smartphone.
公司发布了他们智能手机的新广告。
C2 noun /ˈtʃaɪ.nə bɑːks/

China box

月橘
Meaning
a small evergreen shrub with tiny white fragrant flowers
Example
The China box plant produced clusters of small white flowers.
月橘植物开出了成簇的小白花。
B2 adverb /ɪmˈpɒlɪtli/

impolitely

不礼貌地
Meaning
in a rude or discourteous manner; without showing respect or proper manners
Example
He spoke impolitely to the waiter despite the polite service.
尽管服务很好，他还是不礼貌地对服务员说话。
C1 noun /ˈtʃɪz.əl/

Chisel

凿子
Meaning
a tool with a sharp flat edge used for cutting or shaping wood, stone, or metal
Example
The carpenter used a chisel to carve the wood.
木匠用凿子雕刻木头。
C1 noun delˈteɪɪk ˈlændskeɪp

deltaic landscape

三角洲景观
Meaning
A geographical area formed by sediment deposits at the mouth of a river, creating a triangular land formation.
Example
Bangladesh has a unique deltaic landscape.
孟加拉国拥有独特的三角洲景观。
C1 noun /kʌˈstoʊ.di.ən/

Custodian

看门人; 守护者; 管理员
Meaning
a person who has responsibility for or looks after something; a caretaker or guardian
Example
The school custodian ensures that all buildings are clean and secure.
学校管理员确保所有建筑物干净和安全。
B1 noun, verb /ˈfaɪ.næns/ or /fəˈnæns/

finance

金融
Meaning
the management of money and investments, or to provide funds for something
Example
The company secured finance from a major bank.
公司从一家大银行获得了融资。
C1 noun æmˈbɪvələns

ambivalence

矛盾心态
Meaning
Having mixed feelings or contradictory ideas about something; uncertainty or confusion.
Example
She felt ambivalence about taking the job offer.
她在接受工作邀请时感到矛盾心态。
B2 noun /ˌɪn.dɪˈkeɪ.ʃən/

Indication

指示；标志
Meaning
a sign or piece of information that indicates something; a suggestion or hint
Example
The dark clouds were a clear indication that a storm was approaching the area.
乌云是明显的迹象，表明暴风雨正在接近该地区。
B1 noun ɪnˈtel.ɪ.dʒəns

intelligence

智能
Meaning
The ability to learn, understand, and think in a logical way about things
Example
Intelligence is key in AI development.
智能是AI发展的关键。
C1 noun /fɪlθ/

filth

肮脏
Meaning
dirty or disgusting matter; moral corruption
Example
The streets were full of filth after the storm.
暴风雨后街道上满是肮脏。
A2 noun /ˈbɑt.əm/

Bottom

底部；底层
Meaning
the lowest point or part of something; the ground under a body of water
Example
The treasure chest was lying at the bottom of the ocean.
宝箱躺在海洋的底部。
C1 verb /ˈɪnstɪˌɡeɪt/

instigate

挑拨
Meaning
To bring about or initiate an action, often something negative.
Example
He was accused of instigating the riot.
他被指控挑起暴乱。
A2 noun /əˈtɛnʃən/

attention

注意
Meaning
the act of focusing on something or someone
Example
The teacher asked for the students' attention.
老师要求学生们的注意。
C1 noun /ˈpoʊʃən/

potion

药水
Meaning
a liquid with healing, magical, or poisonous properties
Example
The witch gave the hero a healing potion.
女巫给了英雄一个治疗药水。
A2 noun /ˈkɪt.ən/

Kitten

小猫
Meaning
a young cat
Example
The little kitten loves to play with yarn balls.
小猫喜欢玩线球。
C2 noun /ˌmælˈoʊdər/

malodor

难闻的气味
Meaning
An unpleasant smell; bad odor.
Example
The garbage bin gave off a terrible malodor.
垃圾桶散发出可怕的难闻的气味。
B2 adjective /ˈsoʊ.vi.ət/

soviet

苏联的
Meaning
relating to the Soviet Union or its government
Example
The Soviet era saw significant changes in Eastern Europe.
苏联时代见证了东欧的重大变化。
A1 pronoun /ˈsʌmθɪŋ/

something

某事
Meaning
an unspecified or unknown thing
Example
I think something is wrong with my phone.
我觉得我的手机有些问题。
C1 verb /snʌb/

snub

冷落
Meaning
to insult or ignore someone by treating them rudely
Example
He felt hurt when his invitation was snubbed.
他感到受伤，当他的邀请被冷落。
B2 noun /prəˈtɛktər/

protector

保护者
Meaning
a person or thing that protects someone or something
Example
The dog was seen as the family's protector.
这只狗被视为家庭的保护者。
B2 noun /moʊd/

Mode

模式；方式
Meaning
a way or manner in which something occurs or is done; a setting
Example
The computer has a sleep mode to save energy.
计算机具有节能的睡眠模式。
C1 adjective /ˈheɪ.zi/

Hazy

朦胧的; 模糊的; 不清楚的
Meaning
covered with haze; unclear or vague; lacking clarity
Example
The mountain tops were hazy in the morning mist.
山顶在早晨的雾气中显得朦胧。
B2 noun /ˈmɒlɪkjuːl/

molecule

分子
Meaning
The smallest unit of a chemical compound that retains its chemical properties.
Example
A water molecule is made up of two hydrogen atoms and one oxygen atom.
一个水分子由两个氢原子和一个氧原子组成。
C1 verb /skwɪnt/

squint

眯眼看
Meaning
to look with partly closed eyes
Example
She squinted at the bright sunlight.
她因强烈的阳光而眯着眼睛。
C1 adjective /ɔːˈneɪt/

ornate

华丽的
Meaning
elaborately or highly decorated
Example
The palace hall was filled with ornate furniture and paintings.
宫殿的大厅里充满了华丽的家具和画作。
C2 noun /ˈmaɪtər/

miter

主教帽
Meaning
a tall, pointed hat worn by bishops; also a type of joint made between two pieces of material
Example
The bishop placed the miter on his head during the ceremony.
主教在仪式中把主教帽戴在头上。
B1 noun /ˈbæŋkər/

banker

银行家
Meaning
a person who works in or manages a bank
Example
The banker approved the loan after reviewing the documents.
银行家在审查文件后批准了贷款。
C1 adjective /ˈstɒdʒi/

stodgy

沉闷的，老式的
Meaning
Dull, uninspired, or old-fashioned; also heavy and hard to digest when referring to food.
Example
The lecture was so stodgy that many students struggled to stay awake.
讲座太沉闷了，以至于许多学生难以保持清醒。
C1 adjective ˌɪn.krəˈmen.təl

incremental

增量
Meaning
Relating to or denoting an increase or addition, especially one of a series on a fixed scale; proceeding in small stages.
Example
Incremental changes ensure sustainability.
增量变化确保可持续性。
B1 noun /ˈkɑn.træst/

Contrast

对比; 差异; 比较
Meaning
the state of being strikingly different from something else; comparison showing differences
Example
The contrast between city life and rural life is quite remarkable.
城市生活和乡村生活之间的对比相当显著。
B2 adjective + noun əˈdæptɪv ˈfiːtʃərz

adaptive features

适应性特征
Meaning
Characteristics that help organisms adjust to their environment
Example
Plants' adaptive features help them grow in winter.
植物的适应性特征帮助它们在冬季生长。
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。
A2 verb /pʊl/

pull

拉
Meaning
to exert force to move something toward oneself; to drag or tug
Example
Please pull the door to open it.
请拉门打开。
C2 noun /ˈɒnwiː/ or /ˈɑːnwiː/

ennui

倦怠
Meaning
A feeling of boredom, listlessness, or dissatisfaction arising from lack of excitement.
Example
After weeks of doing nothing, he sank into a deep sense of ennui.
在没有做任何事情的几周后，他陷入了深深的倦怠。
B2 adjective ɪkˈsɛsɪv

excessive

过度的
Meaning
More than is necessary, normal, or desirable; immoderate.
Example
Excessive population growth leads to resource depletion.
过度的人口增长导致资源枯竭。
A2 adjective /ˈhɛl.θi/

healthy

健康的
Meaning
Good physical and mental condition, free from disease or illness.
Example
Regular exercise and a balanced diet keep the body healthy.
规律的锻炼和均衡的饮食保持身体健康。
C2 adjective /ˈsætərˌnaɪn/

saturnine

忧郁的
Meaning
slow and gloomy in mood
Example
His saturnine expression made everyone in the room uncomfortable.
他的忧郁表情让房间里的人都感到不舒服。
C1 noun/adjective /ɪˈliːtɪst/

elitist

精英主义者
Meaning
A person who believes that a society should be led by an elite; showing preference for a privileged class.
Example
His elitist attitude made him unpopular among his peers.
他的精英主义态度使他在同事中不受欢迎。
C1 noun ˈflɔː.rə ænd ˈfɔː.nə

flora and fauna

植物和动物
Meaning
The plants and animals of a particular region, habitat, or geological period.
Example
The Galápagos Islands have unique flora and fauna.
加拉帕戈斯群岛拥有独特的植物和动物。
C2 noun/adjective /ˈsaɪklɔɪd/

cycloid

摆线
Meaning
a curve traced by a point on the rim of a circle as it rolls along a straight line
Example
The cycloid is often studied in mathematics and physics.
摆线常在数学和物理学中研究。
B1 verb /dɪˈlɪvər/

deliver

交付
Meaning
to bring or hand over something to the intended recipient
Example
The courier will deliver the package tomorrow.
快递员明天会送包裹。
C1 noun /ˈrɛ.trəʊ.fɪt.ɪŋ/

retrofitting

为旧系统添加新技术或功能
Meaning
The addition of new technology or features to older systems.
Example
The building underwent retrofitting to meet new safety standards.
这座建筑通过加装 retrofit 来满足新的安全标准。
C1 noun /ˈbɪɡ.ət/

bigot

偏执者
Meaning
A person who is intolerant toward those holding different opinions or beliefs.
Example
He was called a bigot for refusing to listen to others' views.
因为拒绝听取他人的观点，他被称为偏执者。
C1 noun /ˈriːpər/

reaper

割草和收获作物的人或机器
Meaning
a person or machine that cuts and gathers crops
Example
The reaper moved slowly through the golden fields.
瑞珀缓缓地穿过金色的田野。