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C1 noun /ˈvɛriəns/

variance

方差
Meaning
the state of being different or inconsistent; in statistics, a measure of the spread between numbers
Example
There is a wide variance in students' performance levels.
学生的表现水平有很大的方差。
C1 noun /ˈpɛntəɡən/

pentagon

Meaning
A plane figure with five straight sides and five angles; also refers to the US Department of Defense building.
Example
The Pentagon is one of the most iconic government buildings in the United States.
C1 noun /prəˈdʒɛktaɪl/

projectile

弹丸
Meaning
An object fired, thrown, or propelled, especially from a weapon.
Example
The soldier dodged the incoming projectile.
士兵躲过了来袭的弹丸。
C1 verb /ˈmɜːrmər/

murmur

低语
Meaning
To say something in a low, soft, or indistinct voice.
Example
She murmured a prayer before going to sleep.
她在睡觉前低声念了一句祷告。
C1 adjective /ˌæbəˈrɪdʒənəl/

aboriginal

土著
Meaning
Relating to the original inhabitants of a region.
Example
The museum has a large collection of aboriginal art.
博物馆里有大量的土著艺术收藏。
C1 noun /ɔːr/

Oar

桨
Meaning
a long pole with a flat blade used to row a boat
Example
He dipped the oar into the water and pulled the boat forward.
他将桨浸入水中并拉动船向前。
C1 noun ˌɪnfɛsˈteɪʃən

infestation

侵扰, 在某个地方出现异常大量的昆虫或动物
Meaning
The presence of an unusually large number of insects or animals in a place, causing damage or disease.
Example
The infestation of ants in the kitchen led to immediate pest control measures.
厨房里蚂蚁的侵扰导致了立即采取害虫控制措施。
C1 noun /twɪndʒ/

twinge

剧烈的痛苦
Meaning
a sudden, sharp pain or an emotional pang
Example
He felt a twinge of guilt after lying to his friend.
他在对朋友撒谎后感到一阵罪恶感的剧烈痛苦。
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 noun /ˈpoʊtənsi/

potency

效能
Meaning
The power or ability of something to affect or influence; strength or effectiveness.
Example
The potency of the new medicine amazed the doctors.
新药的效能令医生们惊讶。
C1 verb koʊˈɜrs

coerce

强迫
Meaning
To force someone to do something against their will using threats or intimidation.
Example
The manager tried to coerce the employees into working overtime.
经理试图迫使员工加班。
C1 noun /ˈɛspiənɑːʒ/

espionage

间谍活动
Meaning
The practice of spying or using spies to gather secret information, usually for political or military purposes.
Example
The agent was arrested on charges of espionage against the state.
该特工因涉嫌间谍活动被逮捕。
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 noun /ˈprɒv.ɜːb/

Proverb

幸福
Meaning
a short saying that expresses a general truth or gives advice
Example
The proverb 'Early to bed, early to rise' teaches us about good habits.
当她收到奖项时，她无法掩饰自己的幸福。
C1 verb /ɪnˈkrɪmɪˌneɪt/

incriminate

使犯罪
Meaning
to make someone appear guilty of a crime or wrongdoing
Example
The new evidence could incriminate the suspect in the robbery case.
新证据可能会让嫌疑犯在抢劫案件中使犯罪。
C1 adjective /ˈtraɪflɪŋ/

Trifling

微不足道的; 琐碎的; 不重要的
Meaning
of little importance; trivial; insignificant
Example
Don't worry about such trifling matters.
别为这些琐碎的事情担心。
C1 verb /praʊl/

prowl

悄悄走动（猎取或寻找）
Meaning
To move around quietly and secretly, especially while hunting or searching.
Example
The cat prowled around the garden at night.
猫在夜间悄悄地绕着花园走。
C1 adjective /ɪnˈɔːdəbl/

inaudible

听不见的
Meaning
Unable to be heard.
Example
Her voice was almost inaudible over the noise.
她的声音几乎在噪音中听不见。
C1 adjective /ˈrɛvərənt/

reverent

虔诚的
Meaning
Showing deep and solemn respect.
Example
They listened to the speech in a reverent silence.
他们在虔诚的沉默中听取了演讲。
C1 verb /ˈtræmpəl/

trample

Meaning
to tread heavily on something and cause damage or injury
Example
The crowd trampled the flowers in the park.
C1 adjective /præɡˈmæt.ɪk/

pragmatic

务实
Meaning
Dealing with things sensibly and realistically in a way that is based on practical rather than idealistic considerations.
Example
He took a pragmatic approach to solving the financial crisis.
他采取了实用主义的方法来解决金融危机。
C1 noun /ˈhɪr.seɪ/

Hearsay

谣言
Meaning
information received from other people that one cannot adequately substantiate; rumor
Example
The accusations were based on hearsay rather than concrete evidence or eyewitness testimony.
这些指控是基于谣言，而不是确凿的证据或目击者证词。
C1 verb /ˈsaɪdˌstɛp/

sidestep

回避
Meaning
To avoid something by stepping aside; to evade a problem or question indirectly.
Example
The politician tried to sidestep the difficult question.
那位政治家试图回避那个棘手的问题。
C1 verb /kʌl/

cull

Meaning
to select or remove from a larger group, often to reduce numbers
Example
The farmers decided to cull the sick animals from the herd.
C1 verb /ɪmˈpiːtʃ/

impeach

Meaning
To charge a public official with misconduct while in office.
Example
The parliament voted to impeach the president.
C1 verb /əbˈzɒlv/

absolve

赦免
Meaning
to free someone from blame, guilt, or responsibility; to pardon
Example
The priest absolved him of his sins.
牧师赦免了他所有的罪。
C1 noun /ɪˌmæn.sɪˈpeɪ.ʃən/

Emancipation

解放
Meaning
the fact or process of being set free from legal, social, or political restrictions
Example
The emancipation of slaves was a significant moment in American history.
奴隶的解放是美国历史上的一个重要时刻。
C1 adjective /dɪˈskrɪmɪˌneɪtɪŋ/

discriminating

挑剔的
Meaning
Having refined taste or good judgment; able to recognize subtle differences.
Example
She is known for her discriminating taste in art.
她以自己在艺术上的挑剔眼光而闻名。
C1 noun /ˌvəʊ.kəl.aɪˈzeɪ.ʃən/

vocalization

发声，表达思想或情感的语言
Meaning
The action of producing sounds with the voice; the expression of thoughts or feelings in spoken words.
Example
The vocalization of the singer captivated the audience.
歌手的发声吸引了观众。
C1 adjective /ˌsuː.pəˈsɒn.ɪk/

Supersonic

比声音的速度更快; 与超过声音速度的速度相关
Meaning
faster than the speed of sound; relating to speeds greater than the speed of sound
Example
The supersonic jet broke the sound barrier.
超音速飞机打破了音障。
C1 verb /snɪər/

sneer

嘲笑
Meaning
to smile or speak in a mocking or contemptuous way
Example
She sneered at his attempt to sing.
她嘲笑他的唱歌尝试。
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 noun əˈniː.mi.ə

anemia

贫血
Meaning
A condition in which there is a deficiency of red blood cells or hemoglobin in the blood.
Example
Genetic therapy addresses anemia effectively.
基因疗法有效地治疗贫血。
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。
C1 adjective /ɪˈlɪsɪt/

illicit

非法的
Meaning
Forbidden by law, rules, or custom.
Example
The police shut down the illicit drug operation.
警方关闭了非法毒品交易。
C1 verb /ˌaʊtˈweɪ/

outweigh

比...更重要
Meaning
To be more important, valuable, or significant than something else.
Example
The benefits of the new policy outweigh the risks.
新政策的好处超过了风险。
C1 noun ˌɒp.tɪ.maɪˈzeɪ.ʃən

optimization

优化
Meaning
Improving processes to increase performance and efficiency.
Example
SEO optimization helps websites rank higher on search engines.
SEO优化帮助网站在搜索引擎中排名更高。
C1 noun /ˈkɜːrlər/

curler

卷发器
Meaning
A small roller used for curling hair.
Example
She used a curler to style her hair for the party.
她用卷发器为派对造型她的头发。
C1 noun /ˌdʒenəˈræləti/

generality

概括性
Meaning
A vague, non-specific statement or principle that applies broadly.
Example
The speech was full of generalities and lacked concrete details.
演讲充满了概括性，缺乏具体的细节。
C1 adjective /ˈɡruːsəm/

gruesome

可怕
Meaning
Causing horror or disgust.
Example
The police discovered a gruesome crime scene.
警方发现了一个可怕的犯罪现场。
C1 verb, noun /spraʊt/

sprout

发芽
Meaning
to begin to grow; to produce new leaves or shoots
Example
The seeds began to sprout after a few days of rain.
种子在几天的雨后开始发芽。
C1 adjective ˌmiː.ti.ər.əˈlɒdʒ.ɪ.kəl

meteorological

气象的
Meaning
Relating to weather conditions and atmospheric phenomena.
Example
Meteorological conditions affect farming cycles.
气象条件影响农业周期。
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 adjective ˌsʌbˈlɪm.ɪ.nəl

subliminal

低于意识阈值存在或运作，未被意识到的影响或感知
Meaning
Existing or operating below the threshold of consciousness; perceived by or affecting someone's mind without their being aware of it.
Example
Advertisements often have subliminal messages.
广告常常包含潜意识的讯息。
C1 noun ˌræʃ.ən.əl.ɪˈzeɪ.ʃən

rationalization

理性化
Meaning
The practice of finding reasons for behavior or actions that are not the real reasons.
Example
His rationalization of the mistake was not convincing.
他对错误的理性化并不令人信服。
C1 verb /ˈʌndərkʌt/

undercut

Meaning
to sell at a lower price than a competitor; to weaken or undermine something
Example
The company tried to undercut its rivals by offering lower prices.
C1 adjective /ɪɡˈzæspəˌreɪtɪd/

exasperated

非常恼火
Meaning
greatly annoyed or irritated
Example
She gave him an exasperated look after his repeated mistakes.
在他的重复错误后，她给了他一个非常恼火的眼神。
C1 verb /ˌɪntəˈsɛkt/

intersect

交叉
Meaning
to cross or pass through each other
Example
The two roads intersect at the city center.
这两条道路在市中心交汇。
C1 adjective /nɪˈɡlɛktfʊl/

neglectful

疏忽的
Meaning
Failing to give proper care or attention.
Example
The neglectful parent left the child alone for hours.
疏忽的父母把孩子独自留下几个小时。
C1 noun /ˈkriː.dəns/

credence

可信度, 信任
Meaning
belief in or acceptance of something as true
Example
The witness gave credence to the defendant's alibi.
证人给予被告的不在场证明可信度。
C1 adjective ˈɛl.ə.kwənt

eloquent

雄辩
Meaning
Fluent or persuasive in speaking or writing; clearly expressing or indicating something.
Example
Her eloquent speech inspired the entire audience.
她雄辩的演讲激励了整个观众。
C1 noun dɪˌlɪb.əˈreɪ.ʃən

deliberation

深思熟虑
Meaning
Long and careful consideration or discussion.
Example
The agreement was finalized after much deliberation.
协议在经过长时间的深思熟虑后最终确定。
C1 adjective /kəˈrəʊsɪv/

corrosive

腐蚀性，损害
Meaning
tending to cause corrosion; harmful or destructive to materials or people
Example
The chemical is highly corrosive and should be handled with care.
该化学物质具有高度的腐蚀性，应该小心处理。
C1 adjective ʌnˈtʃɑːtɪd

uncharted

未标记
Meaning
Not mapped or surveyed; unknown or unexplored.
Example
The mission aimed to explore uncharted areas of the planet.
该任务旨在探索星球上未标记的区域。
C1 noun /ˈspɪnstər/

spinster

未婚女性
Meaning
An unmarried woman, often one who is older and considered unlikely to marry
Example
The novel featured a kind-hearted spinster who cared for the village children.
小说中有一位心地善良的未婚女性，她照顾着村里的孩子们。
C1 noun /dɪsˈɪntrəst/

disinterest

冷漠
Meaning
lack of interest or concern
Example
His disinterest in the project was obvious.
他对这个项目的冷漠是显而易见的。
C1 adjective /pəˈdæntɪk/

pedantic

过于关注细节或规则的人
Meaning
Excessively concerned with minor details or rules; overly academic or bookish.
Example
Her pedantic explanations made the lecture dull.
她的呗丹提克解释让讲座变得无聊。
C1 noun /ˈprɒdɪdʒi/

prodigy

神童
Meaning
a person, especially a young one, with exceptional talents or abilities
Example
Mozart was a child prodigy in music.
莫扎特是一个音乐神童。
C1 adjective /ˌɪməˈtɪəriəl/

immaterial

无关紧要
Meaning
Not important or relevant; lacking physical substance.
Example
The judge ruled that the argument was immaterial to the case.
法官裁定，该论点与案件无关。
C1 noun /ˈræmpɑːrt/

rampart

城墙
Meaning
a defensive wall of a castle or fort
Example
The soldiers stood on the rampart, watching the enemy approach.
士兵们站在城墙上，观察着敌人的接近。
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。
C1 noun /ɪnˈdɪrmənt/

endearment

亲切的词语
Meaning
A word or phrase expressing affection or love.
Example
She whispered a gentle endearment to her child.
她低声对孩子说了一个亲切的词语。
C1 verb /rɪˈprɛs/

repress

Meaning
To restrain, suppress, or keep under control, especially emotions or desires.
Example
He tried to repress his anger during the meeting.
C1 noun/verb /ɡrʌdʒ/

grudge

Meaning
A persistent feeling of ill will or resentment from a past insult or injury.
Example
She still holds a grudge against him for what happened years ago.
C1 verb /ˈpɛtrɪfaɪ/

petrify

石化
Meaning
to make someone so frightened that they are unable to move or think; to turn into stone
Example
The loud noise petrified the little child.
大声的噪音让孩子石化了。
C1 noun /ˈfoʊk.lɔːr/

folk-lore

民间传说
Meaning
The traditional beliefs, customs, stories, songs, and practices of a community, passed down through generations.
Example
Bangladeshi folk-lore is rich with myths and legends.
中国的民间传说充满了神话和传说。
C1 noun /ˈsækrɪlɪdʒ/

sacrilege

亵渎
Meaning
Violation or misuse of what is regarded as sacred.
Example
Stealing from the temple was considered an act of sacrilege.
从寺庙偷窃被视为亵渎行为。
C1 verb /mɑːr/

mar

破坏
Meaning
to spoil or damage the appearance or quality of something
Example
The scratch will mar the beauty of the painting.
刮痕将破坏画作的美丽。
C1 adjective /ɪnˈɡreɪnd/

engrained

根深蒂固，难以改变
Meaning
Firmly fixed or established; difficult to change.
Example
Cultural practices are often deeply engrained in the fabric of society.
文化习俗常常深深植根于社会的结构中。
C1 noun /ˈkleɪmənt/

claimant

索赔人
Meaning
a person who makes a claim, especially in a legal or financial context
Example
The claimant filed for compensation after the accident.
索赔人事故后申请赔偿。
C1 adjective /kənˈtɛmptʃuəs/

contemptuous

轻蔑的, 鄙视的
Meaning
showing or expressing contempt; scornful
Example
She gave him a contemptuous glance.
她给了他一个轻蔑的眼神。
C1 noun /ˈnɔːrmən/

Norman

Meaning
A member of a people of mixed Scandinavian and Frankish origin who settled in Normandy, or relating to their culture.
Example
The Normans conquered England in 1066.
C1 noun /əˈkʌmpənɪmənt/

accompaniment

伴奏
Meaning
Something that goes together with or complements another thing, often music or food.
Example
The dish was served with a spicy sauce as an accompaniment.
这道菜与辣酱一起作为配菜提供。
C1 verb /sɪft/

sift

筛 / 仔细检查
Meaning
to separate or sort through carefully, often using a sieve or by examining closely
Example
She sifted the flour before adding it to the cake mixture.
她在把面粉加到蛋糕混合物中之前筛选了面粉。
C1 adjective /ˈæmərəs/

amorous

多情的
Meaning
Showing, feeling, or relating to romantic love or desire.
Example
He sent her an amorous letter filled with declarations of love.
他给她写了一封充满爱情宣言的情书。
C1 adjective/verb /ˈkɒn.sə.mət/

consummate

以极大的技巧完成或完善某物
Meaning
To complete or perfect something with great skill
Example
He is a consummate artist with years of experience.
他是一个技艺精湛的艺术家，拥有多年的经验。
C1 adverb /ˈnoʊɪŋli/

knowingly

故意
Meaning
in a way that shows you are aware of something; intentionally
Example
She knowingly kept the secret from her friends.
她故意对朋友们保守了秘密。
C1 verb /dɪˈsɛləˌreɪt/

decelerate

减速
Meaning
to reduce speed; to slow down
Example
The car began to decelerate as it approached the traffic light.
汽车接近红绿灯时开始减速。
C1 verb /dɪsˈtrʌst/

distrust

不信任
Meaning
to have no confidence or trust in someone or something
Example
Many people distrust politicians.
许多人不信任政治家。
C1 noun /fɑːrs/

farce

闹剧
Meaning
a comic dramatic work using buffoonery and horseplay, or a ridiculous situation
Example
The meeting turned into a complete farce with everyone arguing.
会议变成了一场彻底的闹剧，大家都在争论。
C1 adjective /ˌhɪpəˈkrɪtɪkəl/

Hypocritical

虚伪的
Meaning
behaving in a way that contradicts one's stated beliefs or values
Example
It's hypocritical to preach honesty while lying yourself.
在讲诚实的同时撒谎是虚伪的。
C1 verb ɪˈmɜːrs

immerse

沉浸
Meaning
To involve oneself deeply in a particular activity or interest; to surround completely.
Example
Immerse yourself in the new language.
沉浸在新的语言中。
C1 adjective /klænˈdɛstaɪn/

clandestine

Meaning
kept secret or done secretly, especially for illicit purposes
Example
They held a clandestine meeting late at night.
C1 noun, adjective /ˌproʊlɪˈtɛəriən/

proletarian

无产阶级
Meaning
Relating to the working class, especially those who do not own property.
Example
The movement was rooted in proletarian struggles.
这场运动根植于无产阶级的斗争中。
C1 adjective /ɪnˈflɛksəbl/

inflexible

不灵活
Meaning
Not able to bend or change; unwilling to change ideas or behavior.
Example
His inflexible attitude made negotiations difficult.
他那不灵活的态度使谈判变得困难。
C1 adjective /ʌnˈkɛmpt/

unkempt

邋遢
Meaning
Having an untidy or disheveled appearance.
Example
He looked unkempt after sleeping outdoors all night.
他睡了一整晚露天后，看起来邋遢。
C1 noun /ɪnˈfɜːrnoʊ/

inferno

火灾
Meaning
a large, intense fire that is dangerously out of control
Example
The building turned into an inferno within minutes.
这座建筑在几分钟内变成了火灾。
C1 adjective /ɪnˈsʌf.ər.ə.bəl/

insufferable

无法忍受
Meaning
Too extreme to bear; intolerable.
Example
The heat during the summer was insufferable.
夏天的炎热是无法忍受的。
C1 noun /təˈræntjʊlə/

tarantula

塔兰图拉
Meaning
A large hairy spider found in warm regions.
Example
The tarantula crawled across the desert floor.
塔兰图拉爬过沙漠的地面。
C1 adjective ɪˈluː.sər.i

illusory

虚幻的
Meaning
Based on illusion; not real although seeming to be.
Example
His sense of security was entirely illusory.
他的安全感完全是虚幻的。
C1 noun /ˈbuːt.stræp.ɪŋ/

bootstrapping

自筹资金
Meaning
Starting a business with personal resources or small investments without external funding or venture capital.
Example
Many entrepreneurs rely on bootstrapping to launch their businesses.
许多企业家依靠自筹资金启动他们的业务。
C1 noun/verb /ˈtʌtʃ.ʌp/

touch-up

小修正或改进
Meaning
Small corrections or improvements made to something.
Example
The artist gave a quick touch-up to the painting.
艺术家对画作进行了快速的修饰。
C1 adjective /ˈdɒɡɪd/

dogged

顽强
Meaning
showing stubborn determination and persistence
Example
She succeeded through dogged determination.
她通过顽强的决心取得了成功。
C1 noun /ˈdɛmənˌstreɪtər/

demonstrator

示范者, 抗议者
Meaning
a person who shows how something works or takes part in a public protest
Example
The demonstrators marched peacefully through the city streets.
示威者和平地穿过城市街道游行。
C1 adjective /ʌnˈvɔɪst/

unvoiced

未表达
Meaning
not expressed in speech; in phonetics, a sound produced without vocal cord vibration
Example
The student kept her opinion unvoiced during the meeting.
学生在会议期间保持她的意见未表达。
C1 adjective /ɪnˈtrɛpɪd/

intrepid

无畏
Meaning
fearless and adventurous, often used humorously
Example
The intrepid traveler explored the jungle alone.
那个无畏的旅行者独自探险了丛林。
C1 adjective /ˈbleɪtənt/

blatant

明显的
Meaning
done openly and unashamedly; obvious and offensive
Example
The company's blatant disregard for safety regulations angered the public.
公司对安全规定的公然蔑视激怒了公众。
C1 verb /ˈbæfəl/

baffle

困惑
Meaning
to confuse; to be too difficult to understand
Example
The math problem baffles me completely.
数学问题完全把我搞糊涂了。
C1 noun /ˈwiː.vər bɜːd/

Weaver bird

织布鸟
Meaning
a small bird that builds elaborate woven nests from grass and twigs
Example
The weaver bird skillfully constructs its intricate nest.
织布鸟巧妙地建造它复杂的巢穴
C1 verb /kənˈdəʊn/

condone

宽容
Meaning
To accept or allow behavior that is morally wrong or offensive.
Example
The manager refused to condone harassment in the workplace.
经理拒绝在工作场所宽容骚扰。
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 noun /ˈdʒɛntri/

gentry

贵族阶层
Meaning
People of good social position, usually of high birth or wealthy landowners
Example
The gentry of the town gathered for the annual ball.
城市的贵族阶层聚集在一起参加年度舞会。
C1 noun /ˈnɔːrməlsi/

normalcy

正常
Meaning
The condition of being normal; a return to usual or expected conditions.
Example
After the flood, the town struggled to regain a sense of normalcy.
洪水过后，城镇努力恢复正常状态。
C1 noun /wɪm/

whim

一时兴起
Meaning
a sudden or unpredictable idea, desire, or decision
Example
She bought the dress on a whim.
她一时兴起买了那条裙子。
C1 noun /krɛst/

crest

山顶
Meaning
the top of a hill, wave, or mountain; a symbol of identity
Example
The hikers reached the crest of the mountain at sunrise.
登山者在日出时达到了山顶。
C1 adjective /ˈaɪərnˌklæd/

ironclad

铁定的
Meaning
impossible to change, break, or dispute; very strong and firm
Example
The company had an ironclad contract with its suppliers.
公司与其供应商签订了铁定合同。
C1 verb /ˈlɔːndər/

launder

洗衣服 / 隐瞒非法获得的钱的来源
Meaning
to wash clothes, linens, etc.; or to conceal the origins of money obtained illegally
Example
She laundered all the dirty clothes on Sunday.
她在星期天洗了所有脏衣服。
C1 noun /ˌænəlˈdʒiːzɪk/

analgesic

止痛药
Meaning
A drug or substance that relieves pain.
Example
She took an analgesic to ease her headache.
她吃了止痛药来缓解头痛。
C1 verb /ˈprɒfəsaɪ/

prophesy

预言
Meaning
to state or predict that something will happen in the future, especially as if divinely inspired
Example
The monk prophesied that peace would return to the land.
那位和尚预言和平将会回到这个国家。
C1 noun /ˌekspəˈzɪʃən/

exposition

阐述 / 展览
Meaning
a detailed explanation or a large public exhibition
Example
The scientist gave a clear exposition of the theory.
科学家清楚地阐述了这个理论。
C1 noun /ˈlɪŋɡwɪst/

linguist

语言学家
Meaning
A person skilled in foreign languages or in the scientific study of language.
Example
She is a linguist who speaks six languages fluently.
她是一位能流利讲六种语言的语言学家。
C1 noun /ˈpɛdlər/

peddler

小贩
Meaning
a person who sells goods, often traveling from place to place
Example
The peddler walked through the village selling fresh fruits.
小贩走过村庄，卖着新鲜的水果。
C1 noun /ˈhɒl.ə.kɔːst/

holocaust

大屠杀
Meaning
A large-scale destruction, especially by fire; historically, the genocide of Jews during World War II.
Example
Millions of people perished during the Holocaust.
在大屠杀期间，数百万人死亡。
C1 adjective /ˈpɛnsɪv/

pensive

沉思
Meaning
Engaged in deep or serious thought.
Example
She looked pensive as she stared out of the window.
她看起来若有所思地凝视着窗外。
C1 noun ˌeə.rəʊ.daɪˈnæm.ɪks

aerodynamics

空气动力学
Meaning
The study of the properties of moving air and the interaction between the air and solid bodies moving through it.
Example
The aerodynamics of an aircraft determines its speed and efficiency.
一架飞机的空气动力学决定了它的速度和效率。
C1 adjective /fəˈnɛtɪk/

phonetic

语音的
Meaning
relating to the sounds of speech or pronunciation
Example
The teacher taught the students the phonetic spelling of difficult words.
老师教学生们困难单词的音标拼写。
C1 verb ɪˈluː.sɪ.deɪt

elucidate

阐明, 阐述
Meaning
make (something) clear; explain.
Example
The professor elucidated the theory with simple examples.
教授通过简单的例子阐明了这个理论。
C1 noun /ˌɪnækˈtɪvɪti/

inactivity

不活动
Meaning
the state of not being active physically or mentally; lack of action
Example
Prolonged inactivity can negatively affect both physical and mental health.
长期不活动会对身体和心理健康产生负面影响。
C1 noun /ˈkɒn.vɔɪ/

convoy

车队
Meaning
a group of vehicles or ships traveling together, often for protection
Example
The military convoy moved through the desert at dawn.
军队车队黎明时穿越沙漠。
C1 noun /ʃɑːrd/

shard

碎片
Meaning
a broken piece of glass, metal, or pottery
Example
He cut his finger on a shard of glass.
他用玻璃碎片割伤了手指。
C1 noun /brɪm/

Brim

边缘; 边沿
Meaning
the projecting edge of a hat; the edge or lip of something
Example
The wide brim of his hat protected him from the scorching sun.
他帽子宽大的边缘保护他免受炽热阳光的照射。