unmask
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C1 verb /ʌnˈmɑːsk/

unmask

揭露；暴露真相
Meaning
to remove a mask or covering; to reveal the true identity, nature, or intentions of someone or something
Example
The investigation helped unmask the real culprit behind the crime.
调查帮助揭露了犯罪背后的真正罪犯。
C1 noun /ɪˈpɪt.ə.mi/

epitome

某种特质或类型的完美例子；某物的最佳代表
Meaning
A perfect example of a particular quality or type; the best representation of something.
Example
She is the epitome of grace and kindness.
她是优雅与善良的典范。
C1 noun /ˈɜːr.θən pɒt/

Earthen pot

陶土锅
Meaning
a container made of baked clay or earth, used for cooking or storing
Example
The earthen pot keeps water naturally cool in summer.
陶土锅能在夏天自然保持水的凉爽。
C1 adjective /rɪˈpɛlənt/

repellent

驱虫剂
Meaning
Able to drive away something, especially insects or unpleasant things; causing disgust or distaste.
Example
This cream is highly effective as a mosquito repellent.
这款乳霜在防蚊方面非常有效。
C1 noun /kwɑːm/

qualm

怀疑
Meaning
a feeling of doubt, worry, or fear about something
Example
She had no qualm about speaking her mind.
她在表达自己想法时没有任何怀疑。
C1 verb /ˈɛkstrɪkeɪt/

extricate

解救
Meaning
To free someone or something from a constraint or difficulty.
Example
The firefighters extricated the passengers from the wrecked car.
消防员将乘客从翻车的汽车中解救出来。
C1 noun ˌdaɪvɜːsɪfɪˈkeɪʃən

diversification

多样化
Meaning
The practice of spreading investments across various assets or sectors to reduce risk.
Example
Diversification helps to reduce investment risk.
多样化有助于降低投资风险。
C1 adjective /dɪˈmɪnjətɪv/

diminutive

极小的
Meaning
extremely or unusually small
Example
Despite his diminutive size, he was a powerful leader.
尽管他的体型极小，他仍然是一个强大的领导者。
C1 verb /kənˈsaɪn/

consign

托付
Meaning
to deliver something to a person or place, often for selling or safekeeping
Example
He consigned the package to the shipping company.
他将包裹交给了运输公司。
C1 noun /ˈfɔːrˌrʌnər/

forerunner

先驱
Meaning
A person or thing that comes before another; a predecessor or harbinger.
Example
The Wright brothers were the forerunners of modern aviation.
莱特兄弟是现代航空的先驱。
C1 noun /fɪˈnænʃɪər/

financier

金融家
Meaning
a person who manages large amounts of money or investments
Example
The financier advised the company on its investments.
金融家为公司提供了关于投资的建议。
C1 noun /ˈmɒnəˌlɒɡ/

monologue

独白
Meaning
A long speech by one person, often in a play or performance.
Example
The actor delivered a powerful monologue on stage.
演员在舞台上做了一个强有力的独白。
C1 noun /ˈhɪntərlænd/

hinterland

内陆地区
Meaning
The remote or less developed areas away from the coast or a city.
Example
The farmers came from the rural hinterland to sell their produce in the city.
农民们从乡村的内陆地区来到城市销售他们的产品。
C1 noun /fəˈtæləti/

fatality

致命事故
Meaning
An occurrence of death by accident, disaster, or violence.
Example
The accident resulted in one fatality.
这场事故导致了一人死亡。
C1 noun kəˈmɛns.mənt

commencement

开始
Meaning
The beginning of something; a ceremony at which degrees or diplomas are conferred on graduating students.
Example
The commencement ceremony marked the start of a new journey.
开始仪式标志着新旅程的开始。
C1 noun /ˈskep.tɪ.sɪ.zəm/

skepticism

怀疑主义, 疑虑
Meaning
A skeptical attitude; doubt as to the truth of something.
Example
His skepticism about new technology often makes him resistant to change.
他对新技术的怀疑主义使他常常抗拒改变。
C1 adjective /pəˈtɜːrnəl/

paternal

父亲的
Meaning
Relating to or characteristic of a father.
Example
He took a paternal interest in the boy’s education.
他对男孩的教育表现出父亲般的兴趣。
C1 noun /ˈɪnkjʊˌbeɪtər/

incubator

恒温箱
Meaning
a device or environment that provides suitable conditions for eggs, cells, or infants to develop
Example
The premature baby was placed in an incubator for care.
早产儿被放入恒温箱接受护理。
C1 adjective /ˈɪɡ.ni.əs/

igneous

火成
Meaning
Formed through the cooling and solidification of magma or lava.
Example
Granite is an igneous rock commonly used in construction.
花岗岩是一种常用于建筑的火成岩。
C1 verb /ˈsætəˌraɪz/

satirize

讽刺
Meaning
to mock or criticize something using satire
Example
The play satirizes the greed of modern corporations.
这部剧讽刺了现代公司的贪婪。
C1 noun /ˈliːweɪ/

leeway

回旋余地
Meaning
Freedom to act within certain limits; extra space or time.
Example
The manager gave the team some leeway to finish the project.
经理给了团队一些回旋余地来完成项目。
C1 noun /ˈmɒnəˌθiːɪzəm/

monotheism

一神论
Meaning
The belief in the existence of only one God.
Example
Islam and Christianity are religions based on monotheism.
伊斯兰教和基督教是基于一神论的宗教。
C1 noun /ˌdɜːrməˈtɑːlədʒi/

dermatology

皮肤学
Meaning
The branch of medicine concerned with the skin and its diseases.
Example
He studied dermatology at medical school.
他在医学院学习了皮肤学。
C1 noun /ʃəˈmiːz/

Chemise

睡裙
Meaning
a woman's loose-fitting undergarment or dress hanging straight from the shoulders
Example
The vintage chemise was made of delicate lace and silk.
这款复古睡裙由精美的蕾丝和丝绸制成。
C1 adjective /ˈplaɪənt/

pliant

灵活的，容易受影响或适应的
Meaning
flexible; easily influenced or adaptable
Example
She has a pliant personality that adapts well to new situations.
她有一个灵活的个性，能够很好地适应新环境。
C1 noun ˈnærətɪv staɪl

narrative style

叙事风格
Meaning
The way in which a story is told, including the point of view and the voice of the narrator.
Example
Dickens' narrative style is engaging and emotional.
狄更斯的叙事风格引人入胜且富有情感。
C1 noun /ˈstrɑːtəm/

stratum

层
Meaning
a layer or level of material, or a social class in society
Example
The upper stratum of society enjoyed privileges not available to others.
社会上层享有其他人无法获得的特权。
C1 noun /ˌɑːsɪˈleɪʃən/

oscillation

摆动
Meaning
The movement back and forth at a regular speed.
Example
The oscillation of the pendulum controls the clock.
摆锤的摆动控制着时钟。
C1 verb /ˈfrɒlɪk/

frolic

欢快地玩耍
Meaning
to play and move about cheerfully, energetically, or playfully
Example
The children frolicked in the garden all afternoon.
孩子们整个下午在花园里欢快地玩耍。
C1 adjective /ˈsɪnləs/

Sinless

无罪; 天真; 纯洁
Meaning
free from sin; pure and innocent; without moral fault
Example
The innocent child appeared sinless in her pure white dress.
那天真的孩子穿着纯白色的裙子，看起来毫无罪。
C1 noun /ˌtɛrəˈdæktɪl/

pterodactyl

已灭绝的飞行爬行动物
Meaning
An extinct flying reptile of the Jurassic period, with a long slender head and wings formed by a membrane stretching along the body.
Example
The museum displayed a fossil of a giant pterodactyl.
博物馆展示了一只巨大的翼龙化石。
C1 verb, noun /ˈflʌstər/

fluster

使困惑
Meaning
to make someone agitated or confused
Example
The unexpected question flustered him.
这个意外的问题让他感到困惑。
C1 adjective ˌɜː.ɡəˈnɒm.ɪk

ergonomic

人体工学设计
Meaning
Designed for efficiency and comfort in the working environment; user-friendly and reducing strain.
Example
The chair has an ergonomic design for better posture.
这把椅子有一个人体工学设计，能保持更好的姿势。
C1 verb /səˈfɪstɪkeɪt/

sophisticate

使精致
Meaning
to make something more complex or refined; to educate or develop in taste and manners
Example
Traveling abroad helped sophisticate his worldview.
出国旅行帮助他完善了世界观。
C1 verb diːˈsɛn.sɪ.taɪz

desensitize

脱敏
Meaning
To make someone less sensitive or reactive to something through repeated exposure.
Example
Constant exposure to violence can desensitize people.
持续的暴力暴露可能会使人们麻木。
C1 adjective /ˈræb.ɪd/

rabid

狂热的
Meaning
Having extreme or fanatical support for something; relating to or suffering from rabies.
Example
He was a rabid fan of the football team.
他是足球队的狂热粉丝。
C1 adjective /ˈdrɪəri/

dreary

沉闷的 / 阴沉的
Meaning
dull, bleak, and lifeless; depressing
Example
The long, dreary winter made everyone feel gloomy.
漫长而阴沉的冬天让每个人都感到沮丧。
C1 adjective /ɪnˈdetɪd/

Indebted

负债的; 感激的
Meaning
owing money or gratitude to someone; obligated; grateful
Example
I am deeply indebted to my teacher for all her guidance.
我对我的老师为我提供的所有指导深感感激。
C1 noun /ˈævətɑːr/

avatar

阿凡达
Meaning
an icon or figure representing a person in digital contexts; in Hinduism, a divine incarnation
Example
She changed her social media avatar to a new cartoon image.
她将自己的社交媒体头像更换为新的卡通形象。
C1 noun /lɪŋˈɡwɪstɪks/

linguistics

语言学
Meaning
The scientific study of language and its structure.
Example
She decided to major in linguistics at university.
她决定在大学里攻读语言学。
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 adjective /dɪˈspɜːrst/

dispersed

分散的
Meaning
Scattered or spread across a wide area.
Example
The dispersed population made it difficult to provide public services.
分散的人口使得提供公共服务变得困难。
C1 noun /ˈmʌs.tərd siːdz/

Mustard seeds

芥菜种子
Meaning
small round seeds from the mustard plant, used as a spice and for making mustard condiment
Example
Mustard seeds are often tempered in hot oil to release their nutty flavor before adding to dishes.
芥菜种子常常在热油中炒制，释放它们的坚果味道，然后加入菜肴中。
C1 verb /səbˈmɜːrdʒ/

submerge

淹没
Meaning
to put under water or cover with liquid
Example
The floodwaters threatened to submerge the village.
洪水威胁要淹没整个村庄。
C1 verb /dɪsˈsætɪsfaɪ/

dissatisfy

使不满
Meaning
to fail to please or meet expectations; to make someone unhappy
Example
The poor service dissatisfies many customers.
糟糕的服务让许多顾客不满意。
C1 noun /pæŋ/

pang

突如其来的剧烈疼痛或情绪痛苦
Meaning
a sudden sharp feeling of pain or emotional distress
Example
She felt a pang of guilt after the argument.
她在争论后感到一阵内疚的疼痛。
C1 noun /bəˈnɛv.ə.ləns/

benevolence

仁慈或慈爱
Meaning
The quality of being well meaning and kindly; the disposition to do good.
Example
His benevolence towards the poor earned him respect.
他的仁慈使他赢得了贫穷者的尊重。
C1 noun/verb /rɪˈpriːv/

reprieve

Meaning
A temporary relief or delay from something unpleasant; to postpone or cancel punishment.
Example
The prisoner was granted a last-minute reprieve from execution.
C1 noun ˌdʒiːəˈlɒdʒɪkəl ˈstrʌktʃər

geological structure

地质结构
Meaning
The arrangement and composition of rocks, minerals, and landforms in the Earth's crust.
Example
Scientists will study the Moon's geological structure.
科学家将研究月球的地质结构。
C1 adjective /ˈwɒn.tən/

Wanton

故意且未被挑衅的; 性别不拘或放荡
Meaning
deliberate and unprovoked; sexually immodest or promiscuous
Example
The vandals caused wanton destruction to the public property.
破坏者对公共财产造成了故意的破坏。
C1 verb /əˈfɪʃieɪt/

officiate

主持
Meaning
To perform official duties, especially in a ceremony or as a referee.
Example
The priest will officiate the wedding ceremony.
牧师将主持婚礼仪式。
C1 adjective /pəˈmɪs.ɪv/

permissive

宽容的
Meaning
Allowing or characterized by great or excessive freedom of behavior; very lenient or indulgent.
Example
Permissive parenting can sometimes lead to a lack of discipline in children.
宽容的育儿方式有时可能导致孩子缺乏纪律。
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 adjective /ˈæm.ɪ.kə.bəl/

amicable

友好的
Meaning
Having a spirit of friendliness; without serious disagreement or rancor.
Example
They reached an amicable agreement.
他们达成了友好的协议。
C1 adjective ˈɒptɪmaɪzd

optimized

优化, 改善, 更有效
Meaning
Made as fully perfect, functional, or effective as possible; improved to achieve maximum efficiency.
Example
The system has been optimized for faster performance.
系统已经针对更快的性能进行了优化。
C1 adjective /ˈmænɪfoʊld/

Manifold

多方面的
Meaning
many and of several different types; multiple; various
Example
The project has manifold benefits for the community.
这个项目对社区有多方面的好处。
C1 verb /ɪmˈboʊl.dən/

embolden

激励
Meaning
To give someone the courage or confidence to do something.
Example
The coach's words emboldened the team to play aggressively.
教练的话激励了队伍去积极地比赛。
C1 noun /ˌdɛməˈlɪʃən/

demolition

拆除
Meaning
the act or process of destroying a building or structure
Example
The demolition of the old factory took several weeks.
拆除旧工厂花了好几个星期。
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 /ʌnˈsəʊʃəbl/

unsociable

不合群的
Meaning
not enjoying the company of others; avoiding social interaction
Example
He became unsociable after moving to a new city.
搬到新城市后，他变得不合群。
C1 verb /ˈɛm.jʊˌleɪt/

emulate

模仿
Meaning
to imitate someone or something with the intent to equal or surpass
Example
Young athletes often emulate their idols.
年轻运动员常常模仿他们的偶像。
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。
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 verb, adjective, noun /lɪmp/

limp

跛行 / 虚弱
Meaning
to walk with difficulty, often due to injury or weakness; lacking strength or firmness.
Example
He limped after injuring his ankle.
他在伤到脚踝后跛行。
C1 adjective /pərˈveɪsɪv/

pervasive

普遍的
Meaning
Existing in or spreading through every part of something
Example
Pervasive technology has become a fundamental part of daily life.
普遍的技术已成为日常生活的重要组成部分。
C1 adjective /pəˈleɪ.ʃəl/

palatial

宫殿般
Meaning
resembling a palace in being spacious and splendid
Example
They stayed in a palatial hotel during their vacation.
他们在度假时住在一间宫殿般的酒店里。
C1 verb /ˈlɪŋɡər/

linger

停留比需要的时间更长
Meaning
to stay in a place longer than necessary; to persist
Example
The smell of coffee lingered in the kitchen.
咖啡的味道在厨房里停留了更长时间。
C1 noun /ˈkænən/

canon

经典
Meaning
A general law, rule, principle, or collection of sacred books accepted as genuine.
Example
The book is now considered part of the literary canon.
这本书现在被认为是文学经典的一部分。
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 noun /pəˈθɒlədʒi/

pathology

病理学
Meaning
the scientific study of diseases, their causes, processes, and effects on the body
Example
Advances in pathology helped the doctors identify the rare infection quickly.
病理学的进展帮助医生迅速识别罕见的感染。
C1 adjective /ˈkoʊvərt/

covert

秘密
Meaning
hidden, secret, or not openly acknowledged
Example
The spy conducted a covert operation behind enemy lines.
间谍在敌人的线背后进行了一项秘密行动。
C1 noun /ˈræp.tʃər/

rapture

狂喜, 欣喜若狂
Meaning
A feeling of intense joy, delight, or ecstasy.
Example
She listened to the music in rapture.
她沉浸在音乐中，陶醉其中。
C1 verb /ɪnˈɡreɪv/

engrave

雕刻
Meaning
to cut or carve a design, letter, or pattern into a hard surface
Example
The craftsman engraved her name on the silver ring.
工匠在银戒指上刻下了她的名字。
C1 noun /ˈhɪp.ə.krɪt/

Hypocrite

伪君子; 假仁假义者
Meaning
a person who acts in contradiction to their stated beliefs or feelings; a pretender
Example
Don't be a hypocrite by demanding honesty from others while lying yourself.
不要做伪君子，要求别人诚实，而自己却撒谎。
C1 noun /ˈtæntrəm/

tantrum

发脾气
Meaning
An uncontrolled outburst of anger and frustration, typically in a young child.
Example
The child threw a tantrum when he didn’t get the toy.
孩子因为没有得到玩具而发脾气。
C1 adjective /rɪˈtɜː.nə.bəl/

Returnable

可退还的
Meaning
able to be returned or given back
Example
The bottle is returnable for a deposit refund.
这瓶瓶子可以退还存款退款。
C1 noun /ˈsæf.aɪər/

Saphire

蓝宝石
Meaning
a precious stone that is typically blue in color
Example
The royal crown was adorned with a large sapphire.
皇家王冠上镶嵌着一颗大蓝宝石。
C1 noun /ˈtæm.ər.ɪnd/

Tamarind

罗望子
Meaning
a brown tropical fruit with a tangy, sour taste used in cooking and beverages
Example
Tamarind is commonly used in Asian and Middle Eastern cuisines for its sour flavor.
罗望子因其酸味在亚洲和中东料理中常用。
C1 adjective /ˈhæɡ.ərd/

Haggard

看起来疲惫和虚弱，尤其是由于疲劳、担忧或痛苦
Meaning
looking exhausted and unwell, especially from fatigue, worry, or suffering
Example
After working three nights without sleep, he looked haggard.
经过三夜没睡觉，他看起来很疲惫。
C1 noun /ˈɪnkwest/

inquest

调查
Meaning
A legal or official inquiry, especially into the cause of a death.
Example
The inquest revealed the cause of the accident.
调查揭示了事故的原因。
C1 noun ɪnˌɛv.ɪ.təˈbɪl.ɪ.ti

inevitability

必然性
Meaning
The quality of being certain to happen and impossible to avoid or prevent.
Example
The inevitability of change is a part of life.
变化的必然性是生活的一部分。
C1 verb /bɪˈriːv/

bereave

失去亲人
Meaning
to deprive someone of a loved one through death
Example
She was bereaved of her husband last year.
她去年失去了她的丈夫。
C1 adjective /ænˈtɪriər/

anterior

前部的
Meaning
Situated at or toward the front; coming before in position or time.
Example
The anterior part of the brain controls logical thinking.
大脑的前部控制逻辑思维。
C1 verb /məˈnuː.vər/

manoeuver

Meaning
To move skillfully or carefully; to guide or manipulate into a desired position.
Example
The driver skillfully manoeuvered the car through the narrow street.
C1 verb /əˈfɪks/

affix

附加 / 粘贴
Meaning
to attach or stick something firmly to another thing
Example
Please affix the stamp to the envelope.
请将邮票粘在信封上。
C1 phrasal verb /ɡlɒs ˈoʊ.vər/

gloss over

忽略 / 轻描淡写
Meaning
to avoid discussing something unpleasant or make it seem less important
Example
The report glossed over the company's financial problems.
报告忽略了公司财务问题。
C1 verb/adjective /ˈɡræspɪŋ/

grasping

抓住 / 贪婪
Meaning
Holding firmly; or (as an adjective) excessively greedy.
Example
The child was grasping her mother’s hand tightly.
孩子紧紧抓住她妈妈的手。
C1 adjective /ˈnær.oʊ ˈmaɪn.dɪd/

Narrow-minded

心胸狭窄
Meaning
unwilling to consider new ideas; prejudiced; intolerant; having a limited perspective
Example
His narrow-minded attitude prevented him from accepting new ideas.
他的心胸狭窄使他无法接受新想法。
C1 adjective; noun /ɪˈmɔːrtl/

immortal

不朽的
Meaning
living forever; never dying; lasting forever in fame or memory
Example
Legends often describe heroes as immortal beings who never die.
传说中英雄是不朽的存在。
C1 noun ˈiː.pɒk

epoch

时代
Meaning
A period of time in history or a person's life, typically one marked by notable events or particular characteristics.
Example
The invention of the internet marked a new epoch in human history.
互联网的发明标志着人类历史的新纪元。
C1 adjective /ˈlɔː.ləs/

Lawless

无律; 无政府主义; 混乱; 犯罪
Meaning
without law; anarchic; unruly; criminal
Example
The frontier town was known for its lawless behavior and chaos.
边境城市以其无律行为和混乱而闻名。
C1 adjective /ˈrænsɪd/

rancid

变质的
Meaning
having a bad taste or smell due to being old or spoiled (especially fats or oils)
Example
The butter had gone rancid after being left out too long.
黄油放得太久，变质了。
C1 verb /ɪmˈplɔːr/

implore

Meaning
To beg someone earnestly or desperately to do something.
Example
She implored him to stay with her.
C1 noun /ˌpɒl.iˈtek.nɪk/

polytechnic

理工学院
Meaning
an educational institution offering practical and technical courses
Example
She studied engineering at a well-known polytechnic in her city.
她在她所在城市的知名理工学院学习工程学。
C1 verb /ˈθiːəraɪz/

theorize

理论化
Meaning
To form a theory or set of ideas to explain something.
Example
Scientists often theorize about the origins of the universe.
科学家们经常推测宇宙的起源。
C1 adverb /iːsˈθetɪkli/

aesthetically

从审美角度
Meaning
in a way that is concerned with beauty or visual appeal
Example
The building is aesthetically pleasing despite its simple design.
尽管设计简单，这座建筑在审美上很吸引人。
C1 verb /ˈdʒʌɡəl/

juggle

杂耍
Meaning
To continuously toss and catch objects in the air; to manage many tasks at the same time.
Example
He tried to juggle work, studies, and family responsibilities.
他试图同时处理工作、学习和家庭责任。
C1 verb /ˌoʊvərˈʃædoʊ/

overshadow

掩盖
Meaning
to appear more important or significant than something else, reducing its impact
Example
The scandal overshadowed his achievements.
丑闻掩盖了他的成就。
C1 verb /prəˈkræs.tɪ.neɪt/

procrastinate

拖延, 延迟, 推迟
Meaning
To delay or postpone action; to put off doing something, especially out of habitual carelessness or laziness.
Example
He tends to procrastinate when facing difficult tasks.
他在面对困难任务时倾向于拖延。
C1 verb /ˈɒfsɛt/

offset

抵消
Meaning
To counterbalance or compensate for something.
Example
The company's losses were offset by gains in other departments.
公司的亏损通过其他部门的收益得到了弥补。
C1 adjective /ˈmɑːrʃəl/

martial

军事的
Meaning
Related to war, soldiers, or military life.
Example
The country imposed martial law during the crisis.
该国在危机期间实施了戒严法。
C1 verb /ɪnˈkrəʊtʃ/

encroach

幸福
Meaning
to gradually take over or intrude on someone’s rights, territory, or space
Example
The buildings began to encroach on the protected forest land.
当她获得奖项时，她无法掩饰自己的幸福。
C1 noun /ˌəʊvərɪksˌplɔɪˈteɪʃən/

overexploitation

过度开发
Meaning
The unsustainable use of natural resources at a rate that exceeds their ability to regenerate, leading to depletion and environmental degradation.
Example
Overexploitation of natural resources leads to environmental degradation.
过度开发自然资源会导致环境退化。
C1 noun /ˈɛstjʊəri/

estuary

河口
Meaning
the tidal mouth of a large river, where the tide meets the stream
Example
The city is located near the estuary of the river.
这座城市位于河口附近。
C1 noun /ˈrɒstrəm/

rostrum

讲台
Meaning
A raised platform for speakers, performers, or leaders.
Example
The politician delivered a speech from the rostrum.
政治家在讲台上发表了演讲。
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。
C1 adjective /ˈsliːzi/

sleazy

低级的, 肮脏的, 或质量差的
Meaning
morally low, dirty, or cheap in quality
Example
He avoided the sleazy nightclub downtown.
他避免了市中心的低级夜店。
C1 noun /ˌdɛfəˈmeɪʃən/

defamation

诽谤
Meaning
the act of damaging someone's reputation by making false statements
Example
The newspaper was sued for defamation of character.
该报因诽谤被起诉。
C1 adjective /ɪˈfɛm.ər.əl/

ephemeral

短暂
Meaning
Lasting for a very short time; temporary or transitory.
Example
The beauty of cherry blossoms is ephemeral.
樱花的美丽是短暂的。
C1 noun/verb /ˈrɛprɪˌmænd/

reprimand

Meaning
A formal expression of disapproval; to scold or criticize someone officially.
Example
The teacher reprimanded the student for being late.
C1 noun /ˈdɔːrˌkiːpər/

doorkeeper

门卫
Meaning
A person whose job is to guard or manage the entrance of a building or room.
Example
The doorkeeper checked everyone’s passes before they entered the hall.
多尔基珀在大家进入大厅前检查了通行证。
C1 adjective/noun nɪˈmɒn.ɪk

mnemonic

助记符，记忆技巧
Meaning
Assisting or intended to assist memory; a device or technique to aid memory.
Example
A mnemonic device helps students remember complex concepts.
助记符有助于学生记住复杂的概念。
C1 noun /ˈnɛkˌlaɪn/

neckline

领口
Meaning
the edge of a garment around the neck, especially as cut to form a particular shape
Example
The dress has a beautiful V-shaped neckline.
这件裙子有一个漂亮的V形领口。
C1 adjective /ˈkɒz.mɪk/

cosmic

宇宙的, 广阔的
Meaning
relating to the universe or cosmos; vast
Example
Astronomers study cosmic phenomena to understand the universe.
天文学家研究宇宙现象，以理解宇宙。
C1 noun /ˈbɔɪənsi/ or /ˈbuːjənsi/

buoyancy

浮力, 快乐
Meaning
The ability to float in a liquid; cheerfulness and optimism.
Example
Her natural buoyancy lifted the mood of the group.
她自然的快乐提升了小组的氛围。
C1 noun /ɪnˈsɜːrdʒənt/

insurgent

起义者
Meaning
A person who rises in revolt against authority or government.
Example
The army arrested several insurgents after the attack.
军队在袭击后逮捕了几名起义者。
C1 noun /ˈdaɪəˌlɛkt/

dialect

方言
Meaning
A particular form of a language spoken in a specific region or by a specific group.
Example
He speaks a dialect of Bengali that is common in rural areas.
他讲的是一种在农村地区常见的孟加拉语方言。
C1 adjective /ˈhɑːrdi/

hardy

坚韧，强健
Meaning
Strong, robust, and capable of enduring difficult conditions.
Example
Hardy plants can survive the harsh winter.
坚韧的植物能在严寒的冬季生存。
C1 adjective deft

deft

灵巧
Meaning
Neatly skillful and quick in one's movements; dexterous and adroit.
Example
The artist's deft hands created a masterpiece.
艺术家的灵巧双手创造了一件杰作。
C1 verb /wiːld/

wield

持有，使用
Meaning
To hold and use a weapon, tool, or power effectively.
Example
The warrior wielded his sword with great skill.
战士熟练地使用他的剑。
C1 noun /ɪˈnɪɡ.mə/

enigma

谜团
Meaning
A person or thing that is mysterious, puzzling, or difficult to understand.
Example
Life remains an enigma to many.
生活对许多人来说仍然是一个谜团。