wisp
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C1 noun /wɪsp/

wisp

一小束或一片
Meaning
A small thin or twisted bunch, piece, or amount of something.
Example
A wisp of smoke rose from the chimney.
一缕烟雾从烟囱升起。
C1 adjective /ˌoʊvərˈbɛrɪŋ/

overbearing

专横
Meaning
unpleasantly or arrogantly domineering
Example
His overbearing attitude made everyone uncomfortable.
他的专横态度让所有人都感到不舒服。
C1 noun /ˈprəʊ.lɒɡ/

prologue

序言
Meaning
an introduction to a book, play, or event
Example
The novel begins with a short prologue set in the past.
这本小说以一段设定在过去的简短序言开始。
C1 noun kəˈrəʊ.ʒən

corrosion

腐蚀
Meaning
The gradual destruction of materials by chemical or electrochemical reaction, especially of metals by oxidation.
Example
Corrosion in pipes leads to leakage.
管道中的腐蚀导致泄漏。
C1 verb /ˈmiː.di.eɪt/

mediate

调解
Meaning
To act as an intermediary in bringing about agreement or reconciliation between parties.
Example
She was asked to mediate between the two companies.
她被要求在两家公司之间调解。
C1 noun /ˈɛpɪθɛt/

epithet

绰号
Meaning
A descriptive phrase or word used to characterize someone or something, often as a nickname.
Example
He earned the epithet ‘The Great’ for his remarkable achievements.
由于其卓越的成就，他赢得了‘伟大’的绰号。
C1 noun səˌsɛp.təˈbɪl.ə.ti

susceptibility

易感性
Meaning
The quality of being likely to be influenced or harmed by a particular thing; vulnerability.
Example
High susceptibility to infections requires extra care.
对感染的高易感性需要额外的护理。
C1 verb /ˈhaɪdʒæk/

hijack

劫机
Meaning
to take control of a vehicle or situation illegally or by force
Example
The criminals attempted to hijack the airplane.
罪犯试图劫持飞机。
C1 preposition /ˈbɑːrɪŋ/

barring

除非，除了
Meaning
except for; if not for
Example
Barring a miracle, the team will not win the championship.
除非有奇迹发生，否则团队将无法赢得冠军。
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。
C1 adjective /dɪˈɡreɪdɪd/

degraded

退化
Meaning
Reduced in quality, dignity, or condition.
Example
The villagers were forced to live in degraded conditions.
村民们被迫在退化的条件下生活。
C1 adjective, noun /ˈdɛrəlɪkt/

derelict

废弃的
Meaning
in poor condition due to neglect or disuse; a homeless or neglected person
Example
The old factory stood derelict for decades.
那座老工厂废弃了几十年。
C1 adjective /ˈbed.rɪd.ən/

Bedridden

卧床不起
Meaning
confined to bed; unable to leave one's bed due to illness or infirmity
Example
The elderly man has been bedridden for several months.
这位年长的男士已经卧床不起好几个月了。
C1 noun /ˌɡræt.ɪ.fɪˈkeɪ.ʃən/

gratification

满足
Meaning
Pleasure, especially when gained from the satisfaction of a desire.
Example
The instant gratification of social media affects patience.
社交媒体的即时满足影响耐心。
C1 noun /ɪˈlɪpsɪs/

ellipsis

省略号
Meaning
The omission of words in a sentence, represented by three dots (...).
Example
The writer used an ellipsis to show that part of the quote was omitted.
作者使用省略号来表示引用的部分被省略。
C1 noun /ˈkɑːrtrɪdʒ/

cartridge

墨盒
Meaning
A container holding a substance or device, such as ink for printers or bullets for firearms.
Example
The printer stopped working because the ink cartridge was empty.
打印机停止工作，因为墨盒已空。
C1 noun /krʌtʃ/

crutch

拐杖, 支撑
Meaning
a support used by someone injured to walk; also something relied upon for support or help
Example
He had to use crutches after breaking his leg.
他在摔断腿后不得不用拐杖。
C1 verb /ˈdiːmɑːrˌkeɪt/

demarcate

划定
Meaning
to set the boundaries or limits of something
Example
The land was demarcated with fences to avoid disputes.
土地被围栏划定以避免争议。
C1 noun /ˈʃæpəroʊn/

chaperon

陪伴者
Meaning
An older person who accompanies and supervises young people in social situations.
Example
The teacher acted as a chaperon during the school dance.
老师在学校舞会期间担任了陪伴者的角色。
C1 noun /liːtʃ/

Leech

水蛭
Meaning
an aquatic or terrestrial annelid worm with suckers at both ends; metaphorically, a person who extorts profit from others
Example
The leech attached itself to his leg while swimming.
水蛭在他游泳时附着在他的腿上。
C1 noun /ˈpaɪ.ə.ti/

Piety

虔诚
Meaning
the quality of being religious or reverent; devout religious belief and practice
Example
His piety was evident in his daily prayers.
他的虔诚在他每天的祈祷中显而易见。
C1 noun /ˈheɪvən/

haven

避风港
Meaning
a safe place or shelter
Example
The library became a haven for students during exams.
图书馆在考试期间成为了学生们的避风港。
C1 adjective /ɪnˈdefɪnət/

Indefinite

不确定的
Meaning
not clearly defined; uncertain; vague; unlimited in time
Example
The meeting has been postponed for an indefinite period.
会议被推迟到一个不确定的时期。
C1 noun /kənˈtɪnjuəm/

continuum

连续体
Meaning
A continuous sequence in which adjacent elements are not perceptibly different from each other, but the extremes are quite distinct.
Example
Life and death are often seen as part of the same continuum.
生与死常常被视为同一连续体的一部分。
C1 noun /ˈhɔːl.mɑːrk/

hallmark

标志性特征
Meaning
a typical characteristic or feature of someone or something
Example
Honesty is the hallmark of a good leader.
诚实是一个好领导者的标志性特征。
C1 noun /ˈpiːɒn/

peon

皮恩
Meaning
a low-ranking worker, often performing menial tasks
Example
The office peon delivered the files to each department.
办公室的皮恩将文件送到每个部门。
C1 noun /ˈpleɪn.tɪf/

Plaintiff

原告
Meaning
a person who brings a case against another in a court of law; the person who initiates a lawsuit
Example
The plaintiff filed a lawsuit against the company.
原告对公司提起了诉讼。
C1 noun /ˈæmplɪtjuːd/

amplitude

振幅
Meaning
the maximum extent of a vibration or oscillation, or the size of something
Example
The amplitude of the earthquake was measured on the Richter scale.
地震的振幅在里氏震级上被测量。
C1 verb /wɛt/

whet

Meaning
To sharpen the blade of a tool or to stimulate interest or appetite.
Example
The smell of food whetted my appetite.
C1 noun əˈtrɒs.ɪ.tiz

atrocities

暴行
Meaning
Extremely wicked or cruel acts, typically involving physical violence or injury.
Example
The atrocities shocked the international community.
这些暴行震惊了国际社会。
C1 noun /ˈmɒnəʊˌkʌltʃər/

monoculture

单一种植
Meaning
The agricultural practice of growing only one type of crop over a large area and for many consecutive years, which can lead to increased vulnerability to pests and diseases.
Example
Monoculture can lead to soil depletion and increased pest vulnerability.
单一种植可能导致土壤退化并增加对害虫的脆弱性。
C1 adjective /ˈpjuːtrɪd/

putrid

腐烂的
Meaning
decayed and emitting a foul smell
Example
The garbage smelled putrid after days in the sun.
垃圾在阳光下几天后开始发臭，变得腐烂。
C1 adjective /ˌfɑːrˈfɛtʃt/

far-fetched

牵强附会
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late was a bit far-fetched.
他解释迟到的理由有点牵强附会。
C1 adjective /ɪnˈɡroʊst/

engrossed

全神贯注
Meaning
completely absorbed or deeply involved in something
Example
She was so engrossed in the book that she forgot the time.
她全神贯注地看书，以至于忘记了时间。
C1 verb /ˈmɑːrʃəl/

marshal

组织
Meaning
To arrange or organize people, events, or resources in an orderly way.
Example
The teacher marshaled the students for the field trip.
老师组织学生参加远足。
C1 verb /dɪˈfɔːrm/

deform

变形
Meaning
to change the shape or form of something, especially in a way that makes it ugly or damaged; to distort
Example
The intense heat began to deform the plastic container.
高温开始使塑料容器变形。
C1 noun /ˈtrɪviə/

trivia

琐事
Meaning
Details or information that are considered unimportant or of little value.
Example
The quiz was filled with fun trivia about movies and music.
测验中充满了关于电影和音乐的有趣琐事。
C1 adjective /dɪˈvɪzəbl/

divisible

可被除
Meaning
Capable of being divided by another number without leaving a remainder.
Example
Twelve is divisible by three and four.
十二可以被三和四整除。
C1 verb /əˈkwɪt/

acquit

宣告无罪
Meaning
to declare someone not guilty of a criminal charge; to conduct oneself in a specified way
Example
The jury decided to acquit the defendant of all charges.
陪审团决定将被告从所有指控中无罪释放。
C1 noun /rɪˈpreʃən/

Repression

压制
Meaning
the action of subduing someone or something by force; the restraint, prevention, or inhibition of a feeling, impulse, etc.
Example
The government's repression of free speech sparked widespread protests.
政府对言论自由的压制引发了广泛的抗议。
C1 noun /æbˈdʌk.ʃən/

abduction

绑架
Meaning
the act of taking someone away illegally by force; kidnapping
Example
The police are investigating the abduction of the child.
警方正在调查这起儿童绑架案。
C1 noun /ˈwɒndərlʌst/

wanderlust

旅行欲望
Meaning
A strong desire to travel and explore the world.
Example
Her wanderlust took her to every corner of the globe.
她的旅行欲望带她走遍了世界的每个角落。
C1 verb /prəˈlɪf.ə.reɪt/

proliferate

扩散
Meaning
To increase rapidly in numbers; to grow or spread quickly and extensively.
Example
Startups tend to proliferate in a thriving economy.
初创公司在繁荣的经济中往往会迅速扩展。
C1 noun /rɪˌmjuː.nəˈreɪ.ʃən/

Remuneration

报酬; 薪酬; 奖金
Meaning
money paid for work or services; compensation or reward
Example
The job offers excellent remuneration and benefits.
这份工作提供了优厚的报酬和福利。
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。
C1 adjective /ˈbuːzi/

boozy

酒气的
Meaning
containing or involving a lot of alcohol; slightly drunk from alcohol
Example
The party became boozy as the night went on.
随着夜晚的进行，派对变得很有酒气。
C1 verb /ɪnˈskraɪb/

inscribe

铭刻
Meaning
to write or carve words or symbols on a surface
Example
They inscribed her name on the trophy.
他们把她的名字刻在奖杯上。
C1 noun /stɛlθ/

stealth

隐秘, 安静地移动
Meaning
The act of moving, doing, or achieving something quietly and secretly.
Example
The cat moved with stealth towards its prey.
猫悄悄地向它的猎物走去。
C1 noun /ˈædɪdʒ/

adage

格言
Meaning
a short, well-known saying that expresses a general truth or piece of advice
Example
The old adage says that honesty is the best policy.
古老的格言说，诚实是最好的政策。
C1 noun /ˈzɛnəˌfoʊb/

xenophobe

仇外者
Meaning
a person who dislikes or fears people from other countries or cultures
Example
The politician was criticized as a xenophobe due to his anti-immigrant policies.
由于他反移民的政策，这位政治家被批评为仇外者。
C1 adjective /ˈpæl.ə.tə.bəl/

palatable

可口的
Meaning
pleasant or acceptable to the taste, mind, or feelings
Example
The meal was simple but quite palatable.
这顿饭很简单，但相当可口。
C1 adjective /ˌrɛprɪˈhɛnsəbl̩/

reprehensible

可耻的
Meaning
Deserving strong criticism or blame.
Example
His dishonest actions were truly reprehensible.
他的不诚实行为真是可耻的。
C1 noun /ɪˌreɡjəˈlærɪti/

irregularity

不规则性
Meaning
lack of regularity or consistency; a deviation from what is normal, expected, or orderly
Example
The audit revealed several financial irregularities in the company’s records.
审计发现该公司的记录中存在多项财务不规则性。
C1 noun /əˈliː.dʒəns/

allegiance

忠诚
Meaning
Loyalty or commitment of a subordinate to a superior or of an individual to a group or cause.
Example
Soldiers take an oath of allegiance to their country.
士兵宣誓效忠他们的国家。
C1 noun ɪˌræd.ɪˈkeɪ.ʃən

eradication

根除
Meaning
The complete destruction or elimination of something unwanted.
Example
Carbon eradication is a key goal of the project.
碳的根除是该项目的一个关键目标。
C1 verb /ˈdɪs.ɪ.peɪt/

dissipate

逐渐消失
Meaning
To disappear or cause to disappear gradually.
Example
The tension in the room slowly dissipated.
房间里的紧张气氛慢慢消失了。
C1 adjective /ˈbɒt.əl ɡriːn/

Bottle-green

瓶绿色
Meaning
a dark green color similar to that of a green glass bottle
Example
She wore a beautiful bottle-green dress to the evening party.
她穿了一件漂亮的瓶绿色连衣裙参加晚宴。
C1 verb /dɪˈluːd/

delude

欺骗
Meaning
To mislead someone into believing something that is not true.
Example
He deluded himself into thinking he could win the race without training.
他欺骗自己认为自己可以不训练就赢得比赛。
C1 verb /aʊtˈlɪv/

outlive

比…活得长
Meaning
to live longer than someone or something else
Example
She outlived all her siblings.
她活过了所有的兄弟姐妹。
C1 adjective /ˈpaɪ.əs/

Pious

虔诚的
Meaning
devoutly religious; showing reverence for God
Example
The pious monk spent hours in prayer every day.
这位虔诚的僧侣每天花费数小时祈祷。
C1 noun /ˈfjuː.də.lɪ.zəm/

feudalism

封建主义
Meaning
the social system in medieval Europe in which people worked and fought for nobles who gave them protection and land in return
Example
Feudalism shaped the political structure of medieval Europe.
封建主义塑造了中世纪欧洲的政治结构。
C1 verb /fɔːrˈʃædoʊ/

foreshadow

预示
Meaning
To indicate or suggest something that will happen in the future
Example
Dark clouds foreshadowed an approaching storm.
乌云预示着即将来临的暴风雨。
C1 adjective /ˈmɜːki/

murky

浑浊
Meaning
Dark, gloomy, and difficult to see through; obscure.
Example
We avoided swimming in the murky river.
我们避免在浑浊的河水中游泳。
C1 verb /riːk/

wreak

造成损害
Meaning
to cause or inflict something, especially damage or harm
Example
The storm wreaked havoc on the coastal villages.
暴风雨在沿海村庄造成了严重损害。
C1 adjective /ˈhiːdləs/

heedless

疏忽
Meaning
showing a reckless lack of care or attention
Example
He drove with heedless disregard for the rules.
他开车时对规则表现出疏忽。
C1 adjective /ˈriː.fleks/

Reflex

反射
Meaning
an action performed without conscious thought; relating to reflection
Example
The doctor tested her reflex response by tapping her knee.
医生通过轻轻敲打她的膝盖来测试她的反射反应。
C1 adjective /səˈdʒɛstɪv/

suggestive

暗示的
Meaning
tending to suggest ideas or images; sometimes implies something sexual or provocative
Example
The painting was highly suggestive and sparked much debate.
这幅画非常暗示，并引发了许多争论。
C1 verb /ɪnˈkæp.sjʊ.leɪt/

encapsulate

概括
Meaning
To express the essential features of something succinctly; to summarize or contain within.
Example
The introduction should encapsulate the main points of the article.
引言应该概括文章的主要观点。
C1 noun /ˈdaɪhɑːrd/

diehard

Meaning
A person who strongly resists change and remains loyal to a belief or cause.
Example
He is a diehard fan of classic rock music.
C1 noun /ˈprɛljuːd/

prelude

前奏
Meaning
An action, event, or statement that serves as an introduction to something more important.
Example
The small fight was only a prelude to a bigger conflict.
小争执只是更大冲突的前奏。
C1 adjective /kənˈsɛntrɪk/

concentric

同心的
Meaning
having a common center, as in circles or spheres
Example
The artist drew concentric circles on the canvas.
艺术家在画布上画了同心圆。
C1 noun /ˌrɛspɪˈreɪʃən/

respiration

Meaning
The process of breathing or the exchange of gases in living organisms.
Example
Respiration is essential for all living beings.
C1 noun /ˈkroʊ.bɑːr/

Crowbar

撬棍
Meaning
a heavy iron bar with a curved end used as a lever for prying things apart
Example
He used a crowbar to remove the old nails.
他用撬棍把旧钉子取了出来。
C1 verb /kriːk/

creak

发出高音尖锐的吱吱声
Meaning
to make a high-pitched, squeaking noise when moved
Example
The old door creaked as she opened it.
那扇旧门在她打开时发出了咯吱声。
C1 noun /weɪl/

Wail

哀号; 叫喊
Meaning
a prolonged cry of pain, grief, or anger; to cry loudly
Example
The child's wail could be heard throughout the house.
孩子的哭声在整座房子里都能听到。
C1 verb /ˈnʌrɪʃ/

nourish

滋养
Meaning
To provide with food or other substances necessary for growth, health, and good condition
Example
Good books nourish the mind.
好书滋养心灵。
C1 adjective /ˈɡæstrɪk/

gastric

胃的 / 胃部问题
Meaning
Relating to the stomach.
Example
She was prescribed medicine for her gastric problems.
她被开了治疗胃病的药。
C1 noun /ˈpɔɪ.nən.si/

poignancy

悲伤, 痛苦
Meaning
the quality of evoking a keen sense of sadness or regret; emotionally touching
Example
The poignancy of the farewell brought tears to everyone's eyes.
告别的悲痛让每个人的眼睛都充满了泪水。
C1 verb /dɪˈsɛkt/

dissect

Meaning
to cut apart an animal, plant, or other organism to study its internal parts; to analyze something in detail
Example
In biology class, students had to dissect a frog to learn about its anatomy.
C1 adjective /ˈsaɪt.ləs/

Sightless

盲目; 无视力
Meaning
unable to see; blind; lacking vision
Example
The sightless man navigated the street with his guide dog.
盲人带着他的导盲犬穿过街道。
C1 adjective /ˈtækt.fəl/

Tactful

圆滑的; 老练的;
Meaning
showing skill and sensitivity in dealing with others or difficult situations
Example
He gave a tactful response to avoid hurting her feelings.
他给出了一个圆滑的回答，以避免伤害她的感情。
C1 adjective /ˈseɪ.vər.i/

savory

美味的（咸的或辣的）
Meaning
Having a pleasant salty or spicy taste; morally acceptable.
Example
The restaurant serves a variety of savory dishes.
这家餐厅提供各种美味的菜肴。
C1 adjective /ˈsɛnʃənt/

sentient

有感觉的
Meaning
Able to perceive or feel things.
Example
Humans are sentient beings capable of reasoning.
人类是能够推理的感知生命。
C1 adjective ʌnˈwɔːr.rən.tɪd

unwarranted

不合理的
Meaning
Not justified or necessary; without good reason.
Example
His anger toward the staff was completely unwarranted.
他对员工的愤怒是完全不合理的。
C1 adjective /ˈpjuː.ni/

puny

虚弱的
Meaning
Small, weak, or insignificant.
Example
He felt puny compared to his stronger classmates.
与他更强大的同学相比，他感觉自己很虚弱。
C1 noun /ɪnˈtɛstɪn/

intestine

肠
Meaning
The part of the digestive system where food is digested and absorbed, extending from the stomach to the anus.
Example
The doctor explained how nutrients are absorbed in the small intestine.
医生解释了营养物质如何在小肠中被吸收。
C1 noun /ˈtraɪæd/

triad

三合会
Meaning
a group of three closely related people or things
Example
The project was managed by a triad of experts.
该项目由一个三人专家小组管理。
C1 noun /prəˈvaɪzoʊ/

proviso

条件
Meaning
a condition or stipulation attached to an agreement
Example
He accepted the job offer with the proviso that he could work remotely twice a week.
他接受了工作邀请，前提是他每周可以远程工作两次。
C1 adjective /kənˈkluː.sɪv/

Conclusive

决定性的; 终结的; 完全解决问题
Meaning
final; decisive; settling a matter completely
Example
The evidence was conclusive and left no room for doubt.
证据是决定性的，没有留下任何怀疑的空间。
C1 adjective /ʃrɪl/

shrill

尖锐的声音
Meaning
High-pitched and piercing in sound.
Example
The shrill whistle startled everyone in the room.
尖锐的哨声让房间里的每个人都吓了一跳。
C1 verb /ˈɡɑːbəl/

gobble

狼吞虎咽
Meaning
to eat something quickly and greedily
Example
The children gobbled their food in minutes.
孩子们在几分钟内狼吞虎咽地吃完了他们的食物。
C1 verb /dɪˈpliːt/

deplete

耗尽
Meaning
to reduce the quantity or supply of something
Example
The long war has depleted the country's resources.
长时间的战争已经耗尽了该国的资源。
C1 noun /rɪˈtriː.vəl/

retrieval

检索
Meaning
The process of getting something back, especially from storage or memory.
Example
The brain's retrieval system helps recall past experiences.
大脑的检索系统帮助回忆过去的经历。
C1 adjective /kəmˈplaɪənt/

compliant

顺从
Meaning
Willing to agree with or follow rules, requests, or demands.
Example
She was compliant with all the safety requirements.
她遵守了所有安全要求。
C1 verb /ɡeɪp/

gape

张嘴凝视
Meaning
to stare with mouth wide open; to be wide open
Example
The crowd gaped at the amazing magic trick.
人群睁大眼睛，惊讶地看着魔术表演。
C1 adjective /ˌʌnəˈfɛktɪd/

unaffected

不受影响的, 自然的
Meaning
Not influenced or touched by something; genuine and natural.
Example
He remained unaffected by the criticism and kept working hard.
他对批评毫不受影响，继续努力工作。
C1 noun /ˈpɪntʃərz/

pinchers

钳子
Meaning
a tool used for gripping or squeezing objects
Example
Use the pinchers to remove the hot coal safely.
使用拼钳安全地取下热煤。
C1 adjective /ˈɡreɪsləs/

graceless

不雅
Meaning
Lacking elegance, charm, or social refinement.
Example
His graceless behavior embarrassed everyone at the party.
他的不雅行为让派对上的每个人都感到尴尬。
C1 noun /ɒpˈtɒmɪtrɪst/

optometrist

眼科验光师
Meaning
A healthcare professional who examines eyes and prescribes corrective lenses.
Example
The optometrist prescribed new glasses for her.
眼科验光师为她开了新的眼镜。
C1 adjective /hɪpˈnɒtɪk/

hypnotic

催眠的
Meaning
Producing sleep or a trance-like state; mesmerizing.
Example
The music had a hypnotic effect on the audience.
这首音乐对观众产生了催眠效果。
C1 verb /ˌʌndərˈsɛl/

undersell

Meaning
to sell something at a lower price than competitors or to downplay the value of something
Example
The shop undersold its rivals by offering huge discounts.
C1 adjective /səkˈsɪŋkt/

succinct

简洁
Meaning
Briefly and clearly expressed; characterized by clear, precise expression in few words.
Example
His speech was succinct and impactful.
他的演讲简洁且有影响力。
C1 adjective + noun ˈfeɪvərəbəl klaɪˈmætɪk kənˈdɪʃənz

favorable climatic conditions

有利的气候条件
Meaning
Weather conditions that are suitable and beneficial for growth or development
Example
Winter offers favorable climatic conditions for farming.
冬天为农业提供有利的气候条件。
C1 noun /ˌpɜːrmjuˈteɪʃən/

permutation

置换
Meaning
An arrangement or reordering of elements, often in mathematics or logic.
Example
The puzzle can be solved by trying all possible permutations of the tiles.
通过尝试所有可能的拼图块置换，可以解决这个难题。
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.
C1 adjective /ˈper.ɪ.ləs/

perilous

危险的, 危险的, 不安全的
Meaning
Full of danger or risk; hazardous and threatening.
Example
The explorers took a perilous journey.
探险家们进行了危险的旅行。
C1 noun /rəˈpɪdəti/

rapidity

迅速
Meaning
The quality of moving or happening quickly; swiftness or speed.
Example
The rapidity of technological change is astonishing.
技术变化的速度令人震惊。
C1 noun /ˌfəʊtəʊˈsɪnθɛtɪk ɪˈfɪʃənsi/

photosynthetic efficiency

光合作用效率
Meaning
The measure of how effectively plants convert light energy into chemical energy through the process of photosynthesis, directly affecting plant growth and crop yield.
Example
Improving photosynthetic efficiency can increase crop yields.
提高光合作用效率可以增加作物产量。
C1 adjective /ɪmˈpɛtʃ.u.əs/

impetuous

冲动的
Meaning
Acting or done quickly and without thought or care; impulsive.
Example
His impetuous decision led to unexpected consequences.
他冲动的决定导致了意想不到的后果。
C1 adjective /ˌaʊt ən ˈaʊt/

out-and-out

完全
Meaning
complete; absolute; used to emphasize something extreme
Example
The speech was an out-and-out lie.
这个演讲是一个完全的谎言。
C1 noun /poʊˈlær.ɪ.ti/

polarity

极性
Meaning
the state of having two opposite or contradictory tendencies, opinions, or aspects
Example
The polarity between the two political parties is growing stronger.
两个政治党派之间的极性越来越强。
C1 verb /ˈɡrændstænd/

grandstand

通过炫耀行为或言语寻求关注或掌声
Meaning
To seek attention or applause by behaving or speaking in a showy way.
Example
The actor was accused of grandstanding during the charity event.
那位演员在慈善活动中被指控做作。
C1 verb /ɪmˈpɑːrt/

impart

传授
Meaning
to make information known; to bestow or communicate
Example
The teacher imparted valuable knowledge to her students.
老师将宝贵的知识传授给她的学生。
C1 verb /mɪns/

mince

切碎
Meaning
to cut into very small pieces; to walk with short quick steps
Example
She minced the garlic for the recipe.
她把大蒜切成末以用于这道菜的配方。
C1 noun /ˈɛf.ɪ.kə.si/

efficacy

效能
Meaning
The ability to produce a desired or intended result; effectiveness.
Example
The efficacy of the vaccine has been proven in trials.
疫苗的效能在试验中得到了证明。
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。
C1 noun ˈsɛlf pəˈzɪʃən

self-possession

自控力
Meaning
The quality of being calm and confident and in control of one's emotions; composure.
Example
His self-possession during the crisis was remarkable.
他在危机中的自控力令人钦佩。
C1 noun /ˈtændʒənt/

tangent

Meaning
a straight line or plane that touches a curve or curved surface at a point but does not cross it
Example
The teacher drew a tangent to the circle on the board.
C1 noun /pəˈtɜːrnəti/

paternity

父亲身份
Meaning
The state of being someone's father.
Example
He demanded a paternity test to confirm his relationship with the child.
他要求进行亲子鉴定，以确认他与孩子的关系。
C1 adjective /əˈtrəʊ.ʃəs/

Atrocious

可怕的; 极其糟糕或令人不悦的
Meaning
horrifyingly wicked; extremely bad or unpleasant
Example
The conditions in the prison were atrocious.
监狱的条件非常糟糕。
C1 noun /ˈpriːsɪŋkt/

precinct

区
Meaning
A district or area within the boundaries of a city, often for police or electoral purposes.
Example
She went to vote at her local precinct.
她去了她当地的选区投票。