Extravagance
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C1 noun /ɪkˈstræv.ə.ɡəns/

Extravagance

过度开支; 浪费
Meaning
lack of restraint in spending money; excessive expense
Example
The wedding celebration was criticized for its unnecessary extravagance.
婚礼庆典因不必要的奢华而受到批评。
B1 adverb /ɪnˈtaɪərli/

Entirely

完全地; 完全
Meaning
completely; wholly; fully
Example
The building was entirely destroyed in the fire.
这座建筑在火灾中完全被摧毁。
B2 adjective /ɪkˈsploʊsɪv/

explosive

爆炸性
Meaning
able to cause an explosion; likely to burst out suddenly
Example
The situation became explosive after the argument.
争论后局势变得爆炸性。
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。
B1 noun /ɪˈfɛk.tɪv kəˌmjuː.nɪˈkeɪ.ʃən/

effective communication

有效沟通
Meaning
Clear and meaningful exchange of information that achieves its intended purpose.
Example
Effective communication is key to strong relationships.
有效沟通是建立强大关系的关键。
A1 adjective/adverb /ˈɜːrli/

early

早
Meaning
before the usual or expected time
Example
She arrived early to the meeting.
她早早到达了会议。
C1 adjective /ɪˈlɪptɪkl/

elliptical

椭圆形的
Meaning
Having the shape of an ellipse; also, a style of speech that is concise and sometimes obscure.
Example
The planet follows an elliptical orbit around the sun.
行星沿着椭圆形的轨道围绕太阳运行。
B2 noun ˈiːkoʊˌtʊrɪzəm

Eco-tourism

生态旅游
Meaning
A form of tourism involving responsible travel to natural areas that conserves the environment and improves the well-being of local people.
Example
Eco-tourism promotes responsible travel to natural areas.
生态旅游促进了负责任的自然地区旅游。
B1 noun /edʒ/

Edge

边缘; 锋利的边
Meaning
the outside limit of an object or area; a sharp side of a blade
Example
Be careful not to cut yourself on the sharp edge of the knife.
小心不要被刀的锋利边缘割伤。
B1 noun /ɪkˈsten.ʃən/

Extension

延长; 扩展
Meaning
the action of extending something; additional time or space
Example
The professor granted an extension for the assignment deadline.
教授为作业截止日期延长了时间。
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。
B2 adjective /ɪkˈsten.sɪv/

Extensive

广泛的; 大规模的; 广阔的
Meaning
covering or affecting a large area; comprehensive; wide-ranging
Example
The company conducted extensive research before launching the new product.
公司在推出新产品之前进行了广泛的研究。
C1 noun /ˌɛksɛnˈtrɪsəti/

eccentricity

怪癖
Meaning
the quality of being unconventional or slightly strange
Example
His eccentricity made him both admired and misunderstood.
他的怪癖使他既受到钦佩也被误解。
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。
B2 noun /ɪnˈdjʊə.rəns/

endurance

耐力
Meaning
The fact or power of enduring an unpleasant or difficult process or situation without giving way.
Example
Running a marathon requires exceptional endurance.
跑马拉松需要非凡的耐力。
B2 noun /ɪˈlɛktrɪk drɪl/

Electric drill

电动钻孔机
Meaning
A power tool used for drilling holes in various materials
Example
He used an electric drill to make holes in the wall for hanging pictures.
他用电动钻孔机在墙上打孔，用于挂画。
B1 noun /ˈiː.tɪŋ ˈhæb.ɪts/

eating habits

饮食习惯
Meaning
A person's usual pattern and preferences in food consumption.
Example
Developing good eating habits leads to better health.
养成良好的饮食习惯有助于改善健康。
B2 verb /ɪmˈbreɪs/

embrace

拥抱
Meaning
to hold someone closely in your arms; to accept willingly
Example
She embraced her friend at the airport.
她在机场拥抱了她的朋友。
C1 verb /ɪmˈbrɔɪl/

embroil

卷入
Meaning
to involve someone deeply in a conflict, argument, or difficult situation
Example
The politician was embroiled in a major corruption scandal.
政治家卷入了一起重大腐败丑闻。
B1 noun /ɪˈkɒnəmɪst/

economist

经济学家
Meaning
A person who studies or is an expert in economics.
Example
The economist predicted a rise in inflation.
经济学家预测了通货膨胀的上升。
B2 adverb /ɪkˈstɛnsɪvli/

extensively

广泛地
Meaning
in a thorough or wide-ranging manner
Example
She traveled extensively across Europe for her research.
她为她的研究广泛地旅行了欧洲。
B1 verb /ɪmˈplɔɪ/

employ

雇佣
Meaning
to hire someone to do a job; to use something effectively
Example
The company plans to employ more engineers next year.
公司计划明年雇用更多的工程师。
A2 noun /ɪkˈskjuːs/

Excuse

借口
Meaning
a reason or explanation put forward to defend or justify a fault or offense
Example
Being tired is not a valid excuse for not completing your homework.
疲劳不是一个有效的借口，不能完成作业。
B2 noun ɪˌvæljuˈeɪʃən

evaluation

评估
Meaning
The making of a judgment about the amount, number, or value of something; assessment.
Example
Accurate evaluation helps determine resource sustainability.
准确的评估有助于确定资源的可持续性。
C2 adjective /ɪkˌstɛmpəˈreɪniəs/

extemporaneous

没有准备的讲话或行为
Meaning
Spoken or done without preparation.
Example
He gave an extemporaneous speech at the meeting.
他在会议上发表了即兴演讲。
C2 noun/adjective /ɪˈmɒliənt/

emollient

软化皮肤的物质
Meaning
a substance that softens or soothes the skin
Example
She used an emollient cream to treat her dry skin.
她用了一种伊摩利安特面霜来治疗她的干燥皮肤。
C2 noun /ˌɛksɪˈkreɪʃən/

execration

诅咒
Meaning
An act of cursing or denouncing someone or something with hatred.
Example
The dictator’s name was spoken with execration after his fall.
独裁者的名字在他倒台后带着诅咒被提起。
B1 noun /ɪnˈɡeɪdʒ.mənt/

engagement

参与, 订婚
Meaning
The action of engaging or being engaged; participation or involvement.
Example
Social media engagement helps brands connect with their audience.
社交媒体参与帮助品牌与其受众建立联系。
B2 noun ɪnˈhɑːns.mənt

enhancement

增强
Meaning
An increase or improvement in quality, value, or extent.
Example
Enhancement of education quality is vital.
教育质量的提升至关重要。
A2 adjective /ɪkˈsaɪtɪŋ/

exciting

激动人心
Meaning
Causing great enthusiasm and eagerness.
Example
The journey has been an exciting experience.
这次旅行是一次激动人心的经历。
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。
C2 noun /ˌiː.mɛnˈdeɪ.ʃən/

emendation

修正
Meaning
a correction or improvement made to a text
Example
The article required several emendations before it was ready for print.
这篇文章在准备打印之前需要几次修正。
A2 noun /ˈɪər.ɪŋ/

Ear-ring

耳环
Meaning
a piece of jewelry worn on the earlobe or ear
Example
Her diamond earrings caught everyone's attention.
她的钻石耳环吸引了所有人的注意。
C1 verb /ˈɛkskəˌveɪt/

excavate

幸福
Meaning
to dig out or remove earth carefully, often for building or archaeological purposes
Example
The workers excavated the site to prepare for construction.
她在收到奖项时，无法掩饰她的幸福。
B2 noun /ɪkˈsploʊʒən/

explosion

爆炸
Meaning
a violent burst or release of energy, often causing damage and noise
Example
The explosion shook the entire neighborhood.
爆炸震动了整个社区。
C1 verb /ɪnˈlɪst/

enlist

报名
Meaning
to join or sign up, especially for military service; to secure someone's support or help
Example
He decided to enlist in the army after graduation.
他决定毕业后加入军队。
B1 verb /ɪkˈspɪəriənsɪŋ/

experiencing

经历
Meaning
Encountering or undergoing an event or occurrence.
Example
The travelers are experiencing the thrill of adventure.
旅行者正在体验冒险的刺激。
B2 adjective ˈel.ɪ.dʒə.bəl

eligible

有资格的
Meaning
Having the right to do or obtain something through satisfaction of the appropriate conditions.
Example
Only eligible candidates are considered for appointments.
只有有资格的候选人才会被考虑任命。
C1 noun /ˈaɪ.wɪt.nəs/

Eyewitness

目击者
Meaning
a person who has seen something happen and can give evidence about it
Example
The police interviewed several eyewitnesses to the accident.
警方采访了多位事故的目击者。
C1 adjective /ɪɡˈzɪləreɪtɪŋ/

exhilarating

令人振奋的
Meaning
Making someone feel very excited, happy, or thrilled.
Example
Skydiving was the most exhilarating experience of his life.
跳伞是他一生中最令人振奋的经历。
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。
C2 verb /ɪˈvɜːrt/

evert

翻转向外
Meaning
To turn inside out or outward.
Example
The surgeon had to evert the eyelid during the procedure.
外科医生在手术过程中必须翻转眼睑。
A2 adjective /ˈɛkstrə/

extra

额外的
Meaning
More than what is usual, expected, or necessary
Example
She brought some extra food for the picnic.
她为野餐带来了额外的食物。
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。
B2 adjective /ɪˈlæs.tɪk/

Elastic

弹性
Meaning
able to stretch and return to original shape; flexible; adaptable
Example
The elastic band can stretch and return to its original shape.
弹性带可以拉伸并恢复到原来的形状。
B1 noun /ˈɛnvəloʊp/

envelope

信封
Meaning
a flat paper container used to enclose a letter or document
Example
She sealed the letter in an envelope and posted it.
她把信封好，并寄出了。
B2 verb /ɪnˈhæns/

enhance

提升
Meaning
to improve the quality, value, or extent of something
Example
The new features will enhance the user experience.
新的功能将提升用户体验。
C2 noun /ˈjuːər/

ewer

水罐
Meaning
a large jug with a wide mouth, especially used in the past for carrying water
Example
The servant filled the ewer with fresh water.
仆人把水罐装满了新鲜的水。
C2 verb /ˈekspərˌɡeɪt/

expurgate

删改
Meaning
To remove offensive or objectionable parts from a text or speech.
Example
The publisher decided to expurgate the novel before reprinting it.
出版社决定在再版前删改这部小说。
A2 verb /ɪkˈspekt/

expect

期望
Meaning
to think something will happen; to anticipate
Example
I expect the meeting to start at 9 AM.
我预计会议将在上午9点开始。
A1 adjective /ˈiː.vən/

Even

平坦; 均匀; 平级
Meaning
flat and smooth; equal or uniform; level
Example
The surface was completely even and smooth.
表面完全平坦且光滑。
C1 noun /ˌiː.kəˈnɒm.ɪk dɪˈspær.ɪ.ti/

Economic Disparity

经济不平等
Meaning
The unequal distribution of income and opportunity between different groups in society.
Example
Addressing economic disparity is crucial for social stability.
解决经济不平等问题对社会稳定至关重要。
A1 noun /ˈiːv.nɪŋ/

evening

晚上
Meaning
the part of the day between afternoon and night
Example
We went for a walk in the cool evening.
我们在凉爽的晚上去散步。
B1 noun /ɪnˈdʒɔɪmənt/

enjoyment

享受
Meaning
the state or process of taking pleasure or satisfaction in something
Example
She felt great enjoyment while reading her favorite book.
她在阅读她最喜欢的书时感到极大的享受。
C1 adjective /ˈen.vi.ə.bəl/

Enviable

值得羡慕的
Meaning
causing envy; desirable
Example
Her success was enviable among her peers.
她的成功在同事中是值得羡慕的。
C2 verb /ɛmˈbleɪzən/

emblazon

以显著的方式展示
Meaning
To decorate or display something in a noticeable or impressive way.
Example
The team's logo was emblazoned on their uniforms.
团队的标志被显著地展示在他们的制服上。
B1 noun /ˈen.tri/

Entry

入口; 注册
Meaning
an act of going or coming in; an item written or printed in a record
Example
His entry into the competition was submitted just before the deadline.
他在截止日期前提交了参加比赛的入口。
C1 noun ˈɛksəʊˌplænɪt

exoplanet

绕着一颗恒星公转的星球，位于太阳系外
Meaning
A planet that orbits a star outside the solar system.
Example
Astronomers have discovered thousands of exoplanets in the last decade.
天文学家在过去十年发现了成千上万的外行星。
C2 verb /ɛnˈfrænˌtʃaɪz/

enfranchise

幸福
Meaning
To grant the right to vote or other rights of citizenship.
Example
The new law enfranchised thousands of people.
当她收到奖项时，她无法掩饰自己的幸福。
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。
C2 noun /ɪˌnʌn.siˈeɪ.ʃən/

enunciation

发音，清晰发音
Meaning
The act of saying or pronouncing words clearly and distinctly.
Example
His enunciation was clear during the presentation.
他的发音在演讲中很清晰。
B1 adjective /ˌɛdjuˈkeɪʃənl/

educational

教育的
Meaning
Relating to the provision of education or having an educative effect.
Example
The journey was an educational experience.
这次旅行是一次教育性的体验。
C2 verb /ˈɛdɪfaɪ/

edify

Meaning
To instruct or improve someone morally or intellectually.
Example
Good books can both entertain and edify the reader.
B1 adjective ɪˈstæb.lɪʃt

established

建立的
Meaning
Having been in existence for a long time and therefore recognized and generally accepted; set up on a firm or permanent basis.
Example
Democracy was established under strong leadership.
民主是在强有力的领导下建立的。
C2 noun /ˈɛnsaɪn/

ensign

旗帜
Meaning
A flag or standard, especially a military or naval one indicating nationality; also a junior officer in the navy or coast guard.
Example
The ship raised its national ensign before leaving the harbor.
这艘船在离开港口之前升起了它的国旗。
B2 adjective ˌɒn.trə.prəˈnɜː.ri.əl

entrepreneurial

企业家精神
Meaning
Relating to or characterized by the activity of setting up a business or businesses, taking on financial risks in the hope of profit.
Example
His entrepreneurial spirit led him to establish a successful startup.
他的企业家精神使他创办了一个成功的创业公司。
A2 verb /ɪkˈspres/

express

表达
Meaning
to show or make known a feeling, thought, or opinion
Example
She expressed her gratitude for the help she received.
她表达了对收到帮助的感激之情。
C2 noun /ɛθˈnɒlədʒi/

ethnology

民族学
Meaning
the study of the characteristics of different peoples and the differences and relationships between them
Example
She specialized in ethnology to better understand cultural diversity.
她专攻民族学，以更好地理解文化多样性。
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。
C2 noun /ɪˌdʒækjʊˈleɪʃən/

ejaculation

射精 / 突然的呼喊
Meaning
The action of suddenly saying something or the release of semen during sexual climax.
Example
His sudden ejaculation of joy surprised everyone in the room.
他突然的欢乐射精让房间里的每个人都感到惊讶。
A2 verb /ˈentər/

enter

进入
Meaning
to go into; to come or go inside
Example
Please knock before you enter the room.
请在进入房间之前敲门。
A2 noun /ɪˌlɛkˈtrɪsɪti/

electricity

电力
Meaning
A form of energy resulting from the existence of charged particles.
Example
The storm caused a power cut and we had no electricity.
风暴导致了停电，我们没有电力。
C2 noun /ˈɒnwiː/ or /ˈɑːnwiː/

ennui

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

expenditure

支出
Meaning
The action of spending funds; an amount of money spent.
Example
Managing expenditure is critical for budgeting.
管理支出对于制定预算至关重要。
C2 verb /ɛksˈhjuːm/

exhume

掘出
Meaning
to dig out something buried, especially a body from the ground
Example
The archaeologists decided to exhume the ancient remains.
考古学家决定挖掘古老的遗骸。
B2 adjective /ɪnˈvaɪrənmənt ˈfrɛndli/

environment-friendly

环保
Meaning
Designed or produced in a way that causes minimal harm to the environment, often using sustainable materials and processes that reduce ecological impact.
Example
Environment-friendly products are designed to reduce ecological damage.
环保产品旨在减少生态损害。
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 adjective /ɪˈkwɛstriən/

equestrian

骑术的
Meaning
Relating to horse riding or horseback riders.
Example
She won several equestrian competitions.
她赢得了几场马术比赛。
B1 noun ɪˈkwɒl.ə.ti

equality

平等
Meaning
The state of being equal, especially in status, rights, and opportunities.
Example
Equality in education is a key goal.
教育中的平等是一个关键目标。
A2 verb /ɪkˈsaɪt/

excite

使兴奋
Meaning
to cause strong feelings of enthusiasm or eagerness
Example
The idea of traveling abroad excites her.
出国旅行的想法让她感到兴奋。
B1 adjective /ɪˈsɛnʃəl/

essential

必要的
Meaning
Absolutely necessary; extremely important.
Example
Water is essential for life.
水对生命至关重要。
B1 adverb /ɪˈventʃuəli/

Eventually

最终; 最后
Meaning
in the end; finally; at last
Example
After years of hard work, she eventually became a doctor.
经过多年的努力工作，她最终成了医生。
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。
B2 noun /ˌɒn.trə.prəˈnɜːr/

Entrepreneur

组织和经营一个或多个企业的人
Meaning
a person who organizes and operates a business or businesses
Example
The young entrepreneur started her own tech company at age 22.
这位年轻的企业家在22岁时创办了自己的科技公司。
B1 adjective ɪˈfek.tɪv

effective

有效的
Meaning
Successful in producing a desired or intended result; having the power to influence or produce a result.
Example
Effective policies drive organizational success.
有效的政策推动组织成功。
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。
B2 verb /ɪkˈskleɪm/

exclaim

呼喊
Meaning
to cry out suddenly in surprise, strong emotion, or excitement
Example
She exclaimed with joy when she saw the gift.
她看到礼物时高兴地叫了出来。
B2 noun /ˈep.ɪk/

Epic

史诗
Meaning
a long poem telling of heroic deeds; something heroic or grand in scale
Example
The Iliad is one of the most famous epics in world literature.
《伊利亚特》是世界文学中最著名的史诗之一。
C2 noun /ɪkˈstɛnsər/

extensor

伸肌
Meaning
a muscle that serves to extend or straighten a limb or part of the body.
Example
The extensor muscles in the arm help straighten the elbow.
手臂的伸肌帮助伸直肘部。
C2 verb /ɪnˈtriːt/

entreat

恳求
Meaning
To ask earnestly or beg someone to do something.
Example
She entreated him to stay a little longer.
她恳求他再待一会儿。
C2 noun /ɪˈbʊliəns/

ebullience

热情
Meaning
the quality of being cheerful, enthusiastic, and full of energy
Example
The teacher's ebullience inspired her students.
老师的热情激励了她的学生。
C2 verb /ɪnˈθroʊn/

enthrone

加冕
Meaning
to install someone on a throne or to give someone high status
Example
The king was enthroned in a grand ceremony.
国王在盛大的仪式上加冕。
B1 verb /ɪkˈstend/

extend

扩展
Meaning
to make longer or larger; to stretch out; to offer or give
Example
The company decided to extend the deadline for the project.
公司决定延长项目的截止日期。
B1 noun /ˌiː.kəˈnɒm.ɪk ɡrəʊθ/

Economic Growth

经济增长
Meaning
The increase in the production of goods and services in an economy over time, measured by the expansion of economic output, income, and investment.
Example
The country's economic growth has been remarkable over the past decade.
该国的经济增长在过去十年中表现出色。
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。
C2 noun /ɛnˈkoʊmiəm/

encomium

赞扬
Meaning
A speech or piece of writing that praises someone or something highly.
Example
He delivered an encomium to his retiring teacher.
他为即将退休的老师送上了赞扬的演讲。
B2 adjective ɪkˈsplɪsɪt

explicit

明确
Meaning
Stated clearly and in detail, leaving no room for confusion or doubt.
Example
The instructions were explicit, leaving no room for confusion.
这些指令是明确的，没有留下任何混淆的空间。
B2 verb /ɪnˈkaʊntər/

encounter

遇见 / 遇到
Meaning
to unexpectedly meet someone or experience something, especially something difficult or new
Example
During the hike, we encountered a wild bear.
在徒步旅行中，我们遇到了一只野生熊。
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。
C2 verb /ɪˈfɛktʃueɪt/

effectuate

实施
Meaning
to put into force or cause to happen; to bring about
Example
The manager effectuated the changes to improve efficiency.
经理为了提高效率，实施了这些变更。
C1 noun /ˈek.stə.si/

Ecstasy

极乐
Meaning
an overwhelming feeling of great happiness or joyful excitement
Example
She was in complete ecstasy when she heard the good news.
她听到好消息时完全陷入了极乐。
B2 noun /ɪnˈθuziæst/

enthusiast

爱好者
Meaning
a person who is very interested in a particular activity or subject
Example
He is a football enthusiast and watches every match.
他是一个足球爱好者，看每一场比赛。
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。
C2 verb /ɪnˈtwaɪn/

entwine

缠绕
Meaning
to twist or wind together; to become closely connected or involved
Example
The vines entwine around the old fence.
藤蔓绕过老围栏。
C2 noun /ɪˈlɛk.trə.taɪp/

electrotype

电铸版
Meaning
A duplicate printing plate made by electroplating a mold of the original.
Example
The printer used an electrotype to produce multiple copies of the page.
打印机使用了电铸版来制作页面的多个副本。
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。
C2 noun /ɪˈfɛmɪnəsi/

effeminacy

女性化
Meaning
The quality of showing traits traditionally associated with women, such as delicacy or softness.
Example
In ancient times, effeminacy was often criticized as a sign of weakness.
在古代，女性化常常被批评为软弱的标志。
A1 determiner/pronoun/conjunction/adverb /ˈaɪðər/ or /ˈiːðər/

either

任一
Meaning
Used to indicate a choice between two alternatives.
Example
You can either call me tonight or send me an email.
你可以今晚打电话给我，或者给我发电子邮件。
C2 noun ˌɛr.jʊˈdɪʃ.ən

erudition

博学
Meaning
The quality of having or showing great knowledge or learning; scholarship.
Example
His erudition in history impressed the entire audience.
他在历史方面的博学给整个观众留下了深刻的印象。
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。
B1 noun /ɪˈskeɪp/

Escape

逃脱; 逃离; 解救
Meaning
an act of breaking free from confinement or control; a way out
Example
The prisoner's escape from the jail shocked the authorities.
囚犯从监狱的逃脱震惊了当局。
C2 adjective /ˈɛkstənt/

extant

现存
Meaning
Still in existence; surviving.
Example
Only a few manuscripts from the ancient library are extant.
只有几份古老图书馆的手稿仍然存在。
C1 noun /ˌɛtɪˈmɒlədʒi/

etymology

词源学
Meaning
The study of the origin of words and how their meanings and forms have evolved.
Example
The etymology of the word 'salary' comes from the Latin word for salt.
'工资'这个词的词源来自拉丁语中的盐的词汇。
C2 verb /ɪmˈbɪtər/

embitter

使愤怒
Meaning
To make someone resentful or angry; to cause bitterness.
Example
The unfair treatment embittered the employees.
不公平的待遇使员工感到愤怒。
B1 noun /ˈaɪ.braʊ/

Eyebrow

眉毛
Meaning
the strip of hair growing on the ridge above the eye socket
Example
She raised her eyebrow in surprise.
她惊讶地抬起了眉毛。
C1 noun /ɪɡˈzɜːr.ʃən/

exertion

体力或脑力劳动
Meaning
Using energy or effort to achieve something.
Example
Excessive exertion can lead to fatigue and burnout.
过度的exertion可能导致疲劳和精疲力竭。
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。
B2 verb /ɪnˈlaɪtən/

enlighten

幸福
Meaning
to give someone greater knowledge or understanding about a subject or situation
Example
The teacher tried to enlighten the students about ancient history.
她在收到奖项时无法掩饰自己的幸福。
B2 verb ɪˈrɛktɪŋ

erecting

建造
Meaning
To build; construct; set up in a vertical position.
Example
The workers were erecting a new building downtown.
工人们正在市中心建设一座新建筑。
C1 adjective /ˈevər ˈlæstɪŋ/

Ever-lasting

永恒的; 持久的;
Meaning
eternal; permanent; enduring forever
Example
Their love is ever-lasting and will never fade.
他们的爱是永恒的，永不褪色。