extradition
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C1 noun /ˌɛkstrəˈdɪʃən/

extradition

引渡
Meaning
the official process of sending someone accused of a crime to another country or state
Example
The extradition of the suspect was delayed due to legal issues.
由于法律问题，嫌疑人的引渡被延迟了。
C1 adjective /ɪˈvɒkətɪv/

evocative

唤起的
Meaning
bringing strong images, memories, or feelings to mind
Example
The music was evocative of her childhood memories.
这段音乐唤起了她的童年回忆。
C1 verb /ɜːr/

err

犯错
Meaning
to make a mistake or be incorrect
Example
To err is human, to forgive divine.
犯错是人类的本性，宽恕是神圣的。
C1 noun /ɪkˈspʌlʃən/

expulsion

开除
Meaning
The act of forcing someone to leave a place, especially a school or country.
Example
His constant misbehavior led to his expulsion from school.
他不断的坏行为导致他被学校开除。
C1 adjective /ɪnˈtrɛntʃt/

entrenched

根深蒂固
Meaning
Firmly established and unlikely to change.
Example
Corruption is deeply entrenched in the system.
腐败在这个系统中根深蒂固。
C1 noun /ˈiːzl̩/

easel

画架
Meaning
a frame for supporting an artist's canvas while painting or drawing
Example
The artist placed the canvas on the easel before starting to paint.
艺术家在开始绘画之前，将画布放在画架上。
C1 noun /ˈɒntʊrɑːʒ/

entourage

随行人员
Meaning
A group of people attending or surrounding an important person.
Example
The celebrity arrived with her entourage of assistants and bodyguards.
名人带着她的随行人员和保镖到达了。
C1 verb /ˈiːkwəlaɪz/

equalize

平衡
Meaning
To make equal or level in status, value, or amount.
Example
The team equalized the score in the last minute.
团队在最后一分钟将比分扳平。
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 /ˈiːɡoʊˌɪzəm/

egoism

自我主义
Meaning
An ethical theory that treats self-interest as the foundation of morality; also, excessive preoccupation with oneself.
Example
His decisions were often driven by egoism rather than concern for others.
他的决定常常受到自我主义的驱使，而不是关心他人。
C1 verb /ɪnˈɡʌlf/

engulf

吞没
Meaning
to completely surround or cover something or someone
Example
The village was engulfed by floodwaters.
村庄被洪水吞没了。
C1 verb ɪɡˈzæsərbeɪt

exacerbate

加剧
Meaning
To make a problem, bad situation, or negative feeling worse.
Example
Climate change exacerbates flooding issues.
气候变化加剧了洪水问题。
C1 adjective ˈek.wɪ.tə.bəl

equitable

公平的
Meaning
Fair and impartial
Example
Equitable AI ensures fairness in technology use.
公平的人工智能确保了技术使用中的公平性。
C1 noun /ˈɛskəpeɪd/

escapade

冒险
Meaning
an adventurous, exciting, or reckless act
Example
Their summer escapade included camping and mountain climbing.
他们的夏季冒险包括露营和登山。
C1 verb /ɪnˈreɪdʒ/

enrage

激怒
Meaning
To make someone extremely angry.
Example
His unfair remarks enraged the audience.
他的不公正言论激怒了观众。
C1 verb /ɪnˈsɜːrkəl/

encircle

围绕
Meaning
to form a circle around something
Example
The protesters encircled the building in a human chain.
抗议者围绕着建筑物站成一条人链。
C1 verb /ɪɡˈzuːd/

exude

流露
Meaning
to display a quality strongly and openly; to release a liquid or smell slowly
Example
He exudes confidence whenever he speaks in public.
他每次在公众场合讲话时都会散发出自信。
C1 verb /ɪnˈθrɔːl/

enthrall

迷住
Meaning
to captivate or hold someone’s attention completely
Example
The magician’s tricks enthralled the children.
魔术师的技巧让孩子们着迷。
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 adjective /ɪˈstiːmd/

Esteemed

尊敬的
Meaning
respected and admired; held in high regard
Example
He is an esteemed professor at the university.
他是大学里一位受人尊敬的教授。
C1 noun /ˈɪrˌplʌɡ/

earplug

耳塞
Meaning
a device inserted into the ear to block out noise or water
Example
He wore earplugs to sleep during the noisy night.
他在嘈杂的夜晚睡觉时戴了耳塞。
C1 verb /ɪˈleɪt/

elate

使高兴
Meaning
To make someone very happy or proud.
Example
The success of the project elated the whole team.
项目的成功让整个团队都感到非常高兴。
C1 noun /ˈiː.dən/

Eden

伊甸园
Meaning
a place or state of great happiness; paradise
Example
The garden was like Eden, filled with beautiful flowers and peaceful atmosphere.
这个花园就像伊甸园，充满了美丽的花朵和宁静的气氛。
C1 noun /ɪˈleɪʃən/

elation

极乐
Meaning
A feeling of great happiness and excitement.
Example
His elation was evident after winning the championship.
赢得冠军后，他的极乐心情显而易见。
C1 noun /ɪkˈstɔːr.ʃən/

extortion

敲诈勒索
Meaning
the practice of obtaining something, especially money, through force or threats
Example
The businessman was arrested for extortion after threatening his partner.
商人因威胁其合作伙伴后被捕，罪名是敲诈勒索。
C1 noun /ɪˈvæp.ər.ə.tɪv ˈkuː.lər/

Evaporative cooler

蒸发冷却器
Meaning
a cooling device that uses water evaporation to reduce air temperature
Example
The evaporative cooler works best in dry climates.
蒸发冷却器在干燥的气候中效果最好。
C1 noun /ɪˈklɪps/

Eclipse

日蚀 (太阳或月亮)
Meaning
an obscuring of light from one celestial body by another; a decline or loss
Example
The total solar eclipse darkened the sky for several minutes.
完全的太阳日食让天空暗了好几分钟。
C1 noun /ɪmˈbɑː.ɡoʊ/

embargo

贸易禁令
Meaning
A trade ban, restriction, or prohibition imposed by a government or international organization on a country.
Example
The UN imposed an embargo on arms exports.
联合国对武器出口实施了禁运。
C1 adjective ɪmˈpɪr.ɪ.kəl

empirical

经验的或基于经验的
Meaning
Based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.
Example
Scientific research relies on empirical evidence.
科学研究依赖于经验性证据。
C1 noun /ˈɒntreɪ/ (UK), /ˈɑːntreɪ/ (US)

entree

主菜
Meaning
The main course of a meal (US); the right to enter or access (formal).
Example
The restaurant’s signature steak was served as the main entree.
餐厅的招牌牛排作为主菜上桌。
C1 verb /ɪˈspaʊz/

espouse

支持
Meaning
To adopt or support a cause, belief, or way of life.
Example
She espoused the philosophy of nonviolence throughout her career.
她在整个职业生涯中支持了非暴力的哲学。
C1 adjective ɪˈveɪ.sɪv

evasive

回避的, 狡猾的, 模糊的
Meaning
Tending to avoid commitment or self-revelation, especially by responding only indirectly.
Example
He gave an evasive answer to avoid trouble.
他给出了一个回避的答案，以避免麻烦。
C1 exclamation /juˈriːkə/

eureka

尤里卡!
Meaning
An exclamation used to express a sudden discovery or realization.
Example
When the solution finally came to him, he shouted, 'Eureka!'
当解决方案最终浮现在他脑海中时，他喊道：'尤里卡!'
C1 verb /ɪnˈlaɪvən/

enliven

使生动
Meaning
to make something more lively, interesting, or cheerful
Example
Her jokes helped enliven the dull meeting.
她的笑话帮助让枯燥的会议变得生动。
C1 noun /ˈen.mə.ti/

Enmity

仇恨
Meaning
a state or feeling of active opposition or hostility
Example
The enmity between the two families lasted for generations.
两家族之间的仇恨持续了几代人。
C1 adjective /ɪɡˈzæktɪŋ/

exacting

苛刻的
Meaning
demanding a lot of effort, attention, or precision
Example
She is known for her exacting standards in design.
她因其苛刻的设计标准而闻名。
C1 verb /ɪkˈstɪŋ.ɡwɪʃ/

extinguish

熄灭
Meaning
to put out a fire, light, or to end something
Example
The firefighters managed to extinguish the blaze within an hour.
消防员在一个小时内成功扑灭了大火。
C1 adjective /ɪˈmɜːrdʒənt/

emergent

新兴
Meaning
just coming into existence or becoming prominent
Example
The emergent startup quickly attracted investors.
新兴的创业公司迅速吸引了投资者。
C1 verb /ˈɛm.ə.neɪt/

emanate

散发
Meaning
To come out or spread from a source.
Example
A sweet fragrance emanated from the garden.
从花园中散发出一股甜美的香气。
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 /iːl/

Eel

鳗鱼
Meaning
a long, snake-like fish that lives in both fresh and salt water
Example
The electric eel can generate powerful electric shocks.
电鳗可以产生强大的电击。
C1 adjective /ˈɛm.ɪ.nənt/

eminent

杰出
Meaning
Famous and respected within a particular sphere or profession.
Example
He is an eminent scientist known for groundbreaking research.
他是一个杰出的科学家，以开创性的研究而闻名。
C1 adjective /ˌiːɡoʊˈsentrɪk/

egocentric

自我中心
Meaning
thinking only about yourself and not about others
Example
His egocentric behavior annoyed everyone at the meeting.
他的自我中心行为让会议上的每个人都很不舒服。
C1 adjective /ˈɜːr.θən/

Earthen

由土或粘土制成; 与陶瓷有关
Meaning
made of earth or clay; relating to pottery or ceramic materials
Example
The kitchen had beautiful earthen pots for storage.
厨房里有美丽的陶土罐用来存储。
C1 adjective ɪˌlektrəʊmæɡˈnetɪk

electromagnetic

电磁的
Meaning
Relating to both electricity and magnetism or their interaction.
Example
Electromagnetic forces repel protons.
电磁力排斥质子。
C1 noun /ˌɛlɪˈveɪʃən/

elevation

海拔
Meaning
The act of raising something to a higher position or level.
Example
The hikers reached a high elevation after hours of climbing.
登山者经过数小时的攀登后达到了较高的海拔。
C1 noun /ɪkˈskriːʃən/

excretion

排泄
Meaning
the process of eliminating waste matter from the body
Example
Excretion is vital for maintaining a healthy body.
排泄对保持健康的身体至关重要。
C1 adjective /ɪˈstreɪndʒd/

estranged

疏远
Meaning
no longer close or affectionate with someone; alienated
Example
She felt estranged from her family after the long dispute.
她在长时间的争执后感到与家人疏远。
C1 phrase ˈiː.kəʊˌsɪs.təm kəˈlæps

ecosystem collapse

生态系统崩溃
Meaning
The complete breakdown of an ecological system, resulting in the inability to maintain its structure and function.
Example
Unchecked deforestation can lead to ecosystem collapse.
不受控制的森林砍伐可能导致生态系统崩溃。
C1 noun /ˈef.ɪ.dʒi/

Effigy

肖像; 抗议模型
Meaning
a sculpture or model of a person, especially one made as a protest
Example
The protesters burned an effigy of the corrupt politician in the square.
抗议者在广场上烧毁了腐败政治家的肖像。
C1 verb /ɪnˈθjuːz/

enthuse

激动
Meaning
to express excitement or admiration
Example
She enthused about her trip to Italy.
她对她的意大利之旅充满了热情。
C1 adjective /ɪkˈspænsɪv/

expansive

广阔的
Meaning
covering a wide area or having a wide range of ideas or emotions
Example
They enjoyed the expansive view from the hilltop.
他们享受从山顶看到的广阔景色。
C1 adjective /ɪkˈsplɔɪtətɪv/

exploitative

剥削性的
Meaning
making use of a situation or people unfairly and unethically for one's own advantage
Example
The workers protested against the exploitative practices of the factory.
工人们抗议工厂的剥削行为。
C1 noun /ɪnˈtaɪərəti/

entirety

完整性
Meaning
the whole of something; the complete form
Example
He watched the movie in its entirety.
他完整地看完了这部电影。
C1 adjective + noun এক্সেসিভ স্ট্রেইন

excessive strain

过度的压力
Meaning
An amount of physical pressure or stress that is more than what is normal or acceptable.
Example
Excessive strain on fingers can cause musculoskeletal issues.
手指上的过度压力可能导致肌肉骨骼问题。
C1 noun /ɪnˈkrəʊtʃmənt/

encroachment

侵占
Meaning
the act of gradually intruding or taking over someone’s rights, land, or space
Example
The villagers protested against the encroachment on their farmland.
村民们抗议侵占他们的农田。
C1 adjective /ɪkˈstætɪk/

ecstatic

欣喜若狂
Meaning
Feeling or expressing overwhelming happiness or excitement.
Example
The fans were ecstatic after their team won the championship.
球迷在他们的球队赢得冠军后欣喜若狂。
C1 adjective /ˌɛvərˈlæstɪŋ/

everlasting

永恒的
Meaning
Lasting forever or for an indefinitely long time.
Example
The poet wrote about his everlasting love for nature.
诗人写下了他对大自然永恒的爱。
C1 verb /ˈɛnərˌdʒaɪz/

energize

激发
Meaning
To give energy or vitality to something or someone.
Example
The motivational speech helped energize the team.
激励演讲帮助激励了团队。
C1 verb /ɪnˈtʃænt/

enchant

Meaning
to delight or charm greatly; to cast a spell over
Example
The storyteller enchanted the children with his tales.
C1 adjective ɪɡˈzɛmpləri

exemplary

典范
Meaning
Serving as a desirable model; representing the best of its kind.
Example
She was praised for her exemplary work ethic and dedication.
她因其典范的工作态度和奉献精神而受到表扬。
C1 verb ɪɡˈzɛm.plɪ.faɪ

exemplify

举例说明
Meaning
To be a typical example of or to illustrate something clearly, to show as an example or demonstrate.
Example
His dedication exemplifies true leadership.
他的奉献展示了真正的领导力。
C1 verb ɪˈræd.ɪ.keɪt

eradicate

根除
Meaning
To destroy completely; to put an end to something undesirable.
Example
Vaccination programs help eradicate infectious diseases.
疫苗接种计划帮助根除传染性疾病。
C1 noun /ˈek.saɪl/

Exile

流亡
Meaning
the state of being barred from one's native country; enforced removal from one's homeland
Example
The political leader was forced into exile after the military coup.
政治领袖在军事政变后被迫流亡。
C1 noun /ˈiː.zi tʃeər/

Easy-chair

安乐椅
Meaning
a comfortable chair with arms and a back that reclines
Example
He relaxed in his favorite easy-chair after work.
他下班后在他最喜欢的安乐椅上放松。
C1 adjective /ɪˈluːsɪv/

elusive

难以捉摸
Meaning
Difficult to find, catch, or achieve; hard to understand or define.
Example
The solution to the problem proved elusive.
问题的解决方案证明难以捉摸。
C1 noun /ɪɡˈzuːbərəns/

exuberance

兴奋
Meaning
the quality of being full of energy, excitement, and cheerfulness
Example
Her exuberance made the whole team feel motivated.
她的兴奋让整个团队感到鼓舞。
C1 adverb /ˈiːstwədz/

Eastwards

向东
Meaning
towards the east; in an eastern direction
Example
The river flows eastwards into the ocean.
河流向东流入海洋。
C1 adjective /ˈɛntərˌpraɪzɪŋ/

enterprising

有企业家精神的
Meaning
showing initiative and resourcefulness; willing to take risks to achieve success
Example
She is an enterprising young entrepreneur.
她是一个有企业家精神的年轻企业家。
C1 verb /ɪnˈdʒen.dər/

engender

引起
Meaning
To cause or give rise to a feeling, situation, or condition.
Example
The speech engendered hope among the people.
演讲激发了人们的希望。
C1 verb /ˈɪə.mɑːrk/

earmark

指定
Meaning
To designate funds, resources, or time for a particular purpose.
Example
The government has earmarked funds for education.
政府已为教育指定资金。
C1 adjective /ɪˈklɛktɪk/

eclectic

折衷的
Meaning
Selecting or deriving ideas, styles, or tastes from a broad and diverse range of sources.
Example
Her taste in music is eclectic, ranging from classical to hip-hop.
她的音乐口味是折衷的，从古典到嘻哈。
C1 noun /ɪˈnɔːrmɪti/

enormity

巨大性
Meaning
The extreme scale, seriousness, or extent of something perceived as bad or morally wrong.
Example
The enormity of the crime shocked the entire community.
犯罪的巨大性震惊了整个社区。
C1 verb ɪˈluːd

elude

逃避
Meaning
Evade or escape from, typically in a skillful or cunning way; avoid being caught.
Example
The thief managed to elude the police.
小偷成功逃脱了警察。
C1 verb /ɪnˈsjuː/

ensue

发生
Meaning
to happen as a result or consequence
Example
After the argument, silence ensued.
争论后，沉默随之而来。
C1 noun /ˈɛdɪfɪs/

edifice

大楼
Meaning
A large, impressive building or structure.
Example
The museum is an impressive edifice in the city center.
博物馆是市中心一座令人印象深刻的大楼。
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 verb /ɪˈnʌnsieɪt/

enunciate

清晰地发音
Meaning
to pronounce words clearly; to express an idea clearly
Example
The teacher asked him to enunciate each word.
老师让他清晰地发音每个单词。
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。
C1 verb /ɛmˈbɛzəl/

embezzle

Meaning
to steal or misuse money or property entrusted to one's care
Example
The accountant was arrested for embezzling company funds.
C1 adjective /ɪkˈspiːdiənt/

expedient

权宜之计
Meaning
suitable or convenient for achieving a particular end, sometimes at the expense of morality
Example
It was expedient to take the shortcut despite the risks.
尽管有风险，走捷径是权宜之计。
C1 adverb ˌekspəˈnenʃəli

exponentially

指数地
Meaning
At a rapidly increasing rate; growing or expanding very quickly and intensely.
Example
Internet adoption is growing exponentially worldwide.
互联网的采用在全球范围内指数增长。
C1 noun /ɪnˈtaɪtəlmənt/

entitlement

权利
Meaning
the belief that one is inherently deserving of privileges or special treatment; a right to benefits
Example
The program provides entitlement to health care.
该项目提供医疗保健的权利。
C1 verb /ɪˈvɪkt/

evict

驱逐
Meaning
To expel someone from a property, usually by legal process.
Example
The landlord decided to evict the tenants for not paying rent.
房东决定因未支付租金而驱逐租户。
C1 noun /ˌɛksɪˈkjuːʃənər/

executioner

刽子手
Meaning
A person who carries out a death sentence by execution.
Example
The executioner prepared the gallows for the condemned prisoner.
刽子手为被定罪的囚犯准备了绞刑架。
C1 adjective /ɪkˈskjuːzəbl/

excusable

可原谅的
Meaning
Able to be forgiven or justified.
Example
Her mistake was excusable given the circumstances.
考虑到情况，她的错误是可以原谅的。
C1 adjective /ɪnˈlaɪ.tənd/

Enlightened

开明的; 觉悟的; 智慧的;
Meaning
having or showing a rational, modern outlook; having spiritual knowledge or understanding
Example
The enlightened teacher shared wisdom with all her students.
那位开明的老师与她的所有学生分享了智慧。
C1 adverb ɪkˌsperɪˈmentəli

experimentally

实验性地
Meaning
In a way that is based on or derived from experiment and observation rather than theory.
Example
Bose demonstrated findings experimentally.
Bose 通过实验性地展示了结果。
C1 verb /ɪˈkɒnəmaɪz/

economize

节省
Meaning
To reduce spending or use resources carefully.
Example
Families are trying to economize by cutting unnecessary expenses.
家庭正在通过减少不必要的支出来节省开支。
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 adjective /ɪɡˈzɪləreɪtɪd/

exhilarated

兴奋的
Meaning
feeling very happy, animated, or elated
Example
She felt exhilarated after finishing the marathon.
她在完成马拉松后感到非常兴奋。
C1 adjective /ˌiːɡəˈtɪstɪkəl/

egotistical

自私的
Meaning
Excessively self-absorbed or conceited.
Example
Her egotistical behavior made it difficult for her to maintain friendships.
她自私的行为使得她很难维持友谊。
C1 noun /ɒnˈsɒmbəl/

ensemble

合奏, 团体
Meaning
a group of things or people viewed as a whole, especially performers in music or theater
Example
The theater ensemble gave a spectacular performance.
剧院合奏团进行了精彩的演出。
C1 noun /ɪˈnæməl/

enamel

牙釉质
Meaning
a hard, glossy substance used as a protective or decorative coating; the hard outer layer of teeth
Example
The dentist explained that enamel protects the teeth from decay.
牙医解释说，牙釉质可以保护牙齿免受蛀牙的侵害。
C1 verb /ɪkˈskriːt/

excrete

排泄
Meaning
to eliminate waste matter from the body
Example
Humans excrete carbon dioxide through breathing.
人类通过呼吸排出二氧化碳。
C1 adjective /ˈɜːr.nɪst/

Earnest

真诚的; 诚恳的; 表现出深刻和认真的信念
Meaning
sincere; genuine; showing deep and serious conviction
Example
He made an earnest attempt to solve the problem.
他做出了一个认真尝试去解决这个问题。
C1 noun /ɪmˈbɛzlmənt/

embezzlement

挪用公款
Meaning
The act of dishonestly taking money or property entrusted to one's care.
Example
The accountant was arrested for embezzlement of company funds.
会计因挪用公司资金而被逮捕。
C1 verb /ɪˈdʒektɪd/

ejected

弹射
Meaning
to force someone or something to leave a place; to push or throw something out forcefully
Example
The pilot was ejected from the aircraft during the emergency.
飞行员在紧急情况下被弹射出飞机。
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 adjective /ɪˈmeɪʃieɪtɪd/

emaciated

消瘦
Meaning
Abnormally thin or weak, usually due to illness or lack of food.
Example
The emaciated dog was rescued from the abandoned house.
那只消瘦的狗从废弃的房子里被救出来。
C1 verb /ɪˈlɪsɪt/

elicit

引出
Meaning
To draw out a response, answer, or reaction from someone.
Example
The teacher’s question elicited thoughtful answers from the students.
老師的問題引發了學生的深思熟慮的回答。
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 verb /ɪnˈdɪr/

endear

使受喜爱
Meaning
To cause someone to be loved or liked.
Example
Her kindness and generosity endeared her to the community.
她的善良和慷慨使她深受社区喜爱。
C1 adjective /ɛnˌsaɪkləˈpiːdɪk/

encyclopedic

百科全书的
Meaning
Having comprehensive knowledge of many subjects; relating to or characteristic of an encyclopedia.
Example
Her encyclopedic knowledge of history amazed everyone at the conference.
她对历史的百科全书式知识令会议上的所有人都惊讶不已。
C1 adjective /ˈed.jʊ.keɪ.tɪv/

Educative

教育性的; 启发性的; 信息丰富的
Meaning
providing education; instructive; informative
Example
The documentary was highly educative and informative.
这部纪录片非常具有教育意义且信息丰富。
C1 noun /ɪkˈstrækʃən/

extraction

提取
Meaning
the act of removing something, especially by pulling it out
Example
The extraction of oil from the ground requires special equipment.
从地下提取石油需要特殊的设备。
C1 noun ɪɡˌzæs.pəˈreɪ.ʃən

exasperation

恼怒
Meaning
Extreme irritation or frustration.
Example
He sighed in exasperation after hearing the same excuse again.
他在再次听到同样的借口后，因恼怒而叹了口气。
C1 noun /ɪˌlæbəˈreɪʃən/

elaboration

阐述 / 详细说明
Meaning
the process of adding more detail or expanding on something
Example
The teacher appreciated the student's elaboration of the topic.
老师欣赏了学生对主题的详细阐述。
C1 verb /ɪˈlɛktrɪfaɪ/

electrify

通电; 激动
Meaning
to charge with electricity; to excite or thrill intensely
Example
The speaker's speech electrified the audience.
演讲者的演讲让观众感到兴奋。
C1 verb /ɪkˈstoʊl/

extol

赞扬
Meaning
to praise enthusiastically and highly
Example
The teacher extolled the student's dedication and hard work.
老师赞扬了学生的奉献和辛勤工作。
C1 verb ɪkˈstræp.ə.leɪt

Extrapolate

外推
Meaning
Making future estimates based on existing information
Example
Scientists extrapolate climate changes based on past data.
科学家根据过去的数据外推气候变化。
C1 verb /ɪnˈtæŋɡəl/

entangle

Meaning
to become twisted together or caught in something; to involve in difficulties
Example
The fish got entangled in the net.
C1 noun ˈeʃ.ə.lɒn

echelon

级别，等级，阶层
Meaning
A level or rank in an organization, a profession, or society.
Example
He climbed to the upper echelon of the corporate world.
他爬升到了公司世界的最高层。
C1 verb /ˈiːvzdrɒp/

eavesdrop

偷听
Meaning
to secretly listen to a conversation
Example
She stood near the door to eavesdrop on their conversation.
她站在门口偷听他们的谈话。
C1 noun /eb/

Ebb

退潮; 海水下降
Meaning
the receding tide; a gradual decline or reduction
Example
The fishermen waited for the ebb before returning to shore.
渔民们在回到岸边之前等待着退潮。
C1 verb /ɪˈdʒɛkt/

eject

驱逐
Meaning
to force someone or something out, usually from a place or position
Example
The referee had to eject the player for unsportsmanlike behavior.
裁判不得不因不体育行为将球员逐出场外。
C1 adjective /ˈɜːrstwaɪl/

erstwhile

曾经
Meaning
former or in the past
Example
They were erstwhile friends but no longer speak.
他们曾经是朋友，但现在不再交谈。
C1 verb /ɪnˈdaʊ/

endow

Meaning
To provide with a quality, ability, or gift; to donate funds for a purpose.
Example
The university was endowed with a generous donation.
C1 verb /ɪnˈtrɛntʃ/

entrench

扎根
Meaning
To establish something so firmly that it is difficult to change.
Example
The company entrenched its position in the market through innovation.
公司通过创新巩固了其市场地位。
C1 adjective, verb /ɪɡˈzɛmpt/

exempt

免除
Meaning
Free from an obligation or liability imposed on others.
Example
Students with high grades are exempt from the final exam.
成绩优异的学生可以免除期末考试。
C1 noun /ɪkˈspoʊnənt/

exponent

指数
Meaning
a person who supports, promotes, or explains an idea; in math, a symbol denoting power
Example
She is a leading exponent of modern dance.
她是现代舞蹈的领先指数。