B1 noun /ɪkˈstent/

Extent

范围; 范围程度

Meaning

the area covered by something; the degree to which something has spread

Example

The extent of the damage caused by the flood was enormous.

洪水造成的损害范围非常大。

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。

B1 verb /ˈedɪt/

edit

编辑

Meaning

to make changes to improve or correct something

Example

I need to edit this document before submission.

我需要在提交之前编辑这个文档。

B2 verb ˈɛkəʊd

echoed

回响

Meaning

To repeat or resound; to be reminiscent of something.

Example

The words of gratitude echoed in his heart.

感恩的言辞在他心中回响。

C2 noun /ɪˈfjuːʒən/

effusion

倾泻

Meaning

An unrestrained outpouring of words, feelings, or emotions.

Example

His letter was an effusion of love and longing.

他的信是一场爱情与渴望的倾泻。

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。

A1 adjective /eɪtθ/

eighth

第八

Meaning

coming after the seventh position in a sequence; one of eight equal parts

Example

She finished in eighth place in the race.

她在比赛中获得了第八名。

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。

A1 noun /aɪ/

Eye

眼睛; 视力

Meaning

the organ of sight; the ability to see

Example

Her eyes sparkled with joy.

她的眼睛闪烁着喜悦。

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 noun /ˈɛkstrəˌvɜːrt/

extrovert

外向者

Meaning

a person who is outgoing, sociable, and energized by being around other people

Example

As an extrovert, she enjoys meeting new people at social events.

作为一个外向者，她喜欢在社交活动中认识新朋友。

B2 noun /ɪˈstæblɪʃmənt/

establishment

机构

Meaning

An organization, business, or system; the act of setting something up.

Example

The restaurant is a new establishment in town.

餐厅是城市中新建立的机构。

A1 noun /end/

End

结束; 终结; 结尾;

Meaning

the final part of something; termination or conclusion

Example

The end of the movie was unexpected and left everyone surprised.

电影的结局是意外的，所有人都感到惊讶。

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 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。

B2 noun /ˈen.tə.praɪz/

Enterprise

企业，特别是一个大胆或复杂的项目

Meaning

a project or undertaking, especially a bold or complex one

Example

The space exploration enterprise required years of planning and preparation.

太空探索企业需要多年的规划和准备。

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。

B2 noun ɪˈroʊʒən

erosion

侵蚀

Meaning

The gradual destruction or diminishing of something.

Example

Power struggles often lead to the erosion of humanity.

权力斗争往往导致人类的侵蚀。

B2 verb, adjective /ɪˈlæbəreɪt/ (verb), /ɪˈlæbərət/ (adjective)

elaborate

详细说明 / 设计复杂的

Meaning

verb: to explain something in detail; adjective: detailed and complicated in design

Example

She asked him to elaborate on his proposal.

她要求他详细说明他的提议。

C2 adjective /ˌjuːləˈdʒɪstɪk/

eulogistic

赞美的

Meaning

Expressing praise or admiration, often formally.

Example

The speaker gave a eulogistic account of the leader’s achievements.

演讲者对领导人的成就给予了赞美的评价。

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 /ɪnˈdjʊər.ɪŋ/

Enduring

持久的; 永恒的; 持续很长时间的

Meaning

lasting; permanent; continuing for a long time

Example

Their enduring friendship lasted for decades.

他们持久的友谊持续了几十年。

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 /ˌiː.kwɪˈlɪb.ri.əm/

equilibrium

平衡

Meaning

A state of physical balance or stability in physical, mental, or economic conditions.

Example

The market reached an equilibrium between supply and demand.

市场在供求之间达到了平衡。

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。

C2 noun /ˈɛndaɪv/ or /ˈɑːndɪv/

endive

菊苣

Meaning

A leafy vegetable belonging to the chicory family, often used in salads.

Example

She added fresh endive to the salad for a slightly bitter flavor.

她将新鲜的菊苣加入沙拉中，增添了一丝微苦的味道。

C2 adjective /ɛmˈpaɪriəl/

empyreal

天国的

Meaning

Heavenly, divine, or relating to the highest heavens.

Example

The poet described the empyreal beauty of the stars.

诗人描述了星星的天国美丽。

B1 noun /ˈel.boʊ/

Elbow

肘部

Meaning

the joint between the forearm and the upper arm

Example

He hurt his elbow while playing tennis.

他在打网球时伤了肘部。

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。

B1 verb /ɪˈneɪbəl/

enable

启用

Meaning

to make something possible; to give power or ability

Example

This software enables users to edit videos easily.

该软件使用户能够轻松编辑视频。

B2 verb, noun /ɪnˈdevər/

endeavour

努力

Meaning

To try hard to achieve something; an attempt or effort

Example

She endeavoured to finish the project on time.

她努力按时完成项目。

C2 verb /ɛmˈbɔs/

emboss

以凸起图案装饰

Meaning

to decorate a surface with a raised design or pattern

Example

The invitation card was embossed with golden letters.

邀请卡上压印着金色字母。

A1 verb /iːt/

eat

吃

Meaning

to put food in the mouth and chew and swallow it

Example

We eat dinner at 7 PM.

我们晚上七点吃晚饭。

C2 noun /ɪˌpɪstəˈmɒlədʒɪst/

epistemologist

认识论者

Meaning

A scholar or expert who studies the nature, sources, and limits of knowledge.

Example

The epistemologist debated how humans can truly know anything with certainty.

认识论者辩论了人类如何能够确信地知道某些事情。

B2 adjective ˌiːvəˈluːʃənəri

evolutionary

进化的

Meaning

Relating to or denoting the gradual development of something, especially from a simple to a more complex form.

Example

The evolutionary changes in species are fascinating.

物种中的进化变化是迷人的。

B1 verb /ˈɛstɪˌmeɪt/

estimate

估算

Meaning

To roughly calculate or judge the value, number, quantity, or extent of something.

Example

The engineer estimated the cost of the project at $5 million.

工程师估算了项目的成本为500万美元。

B2 noun /ˈek.oʊ/

Echo

回声; 回响

Meaning

a sound that is reflected back; a repetition or imitation

Example

His voice created a clear echo in the empty cathedral.

他的声音在空荡的教堂里产生了清晰的回声。

B2 adjective /ɪɡˈzɔː.stɪd/

exhausted

筋疲力尽

Meaning

Extremely tired; having no energy left.

Example

Feeling exhausted after waking up is common.

醒来后感到筋疲力尽是很常见的。

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。

B2 noun ɪnˌvaɪrənˈmɛntəl ˌdɛɡrəˈdeɪʃən

environmental degradation

环境退化

Meaning

The deterioration of the environment through depletion of resources and destruction of ecosystems.

Example

Environmental degradation threatens biodiversity.

环境退化威胁到生物多样性。

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。

B2 verb /ˈɛmɪˌɡreɪt/

emigrate

移民

Meaning

To leave one's own country in order to settle permanently in another.

Example

Many people emigrated from Europe to America in the 19th century.

许多人在19世纪从欧洲移民到美国。

A2 noun /ˈer.ər/

Error

错误; 失误

Meaning

a mistake; something done incorrectly or wrong

Example

The error in the calculation led to incorrect results.

计算中的错误导致了不正确的结果。

C2 adjective ˈɛr.jʊ.daɪt

erudite

博学的或聪明的

Meaning

Having or showing great knowledge or learning; scholarly and intellectual.

Example

The professor's erudite lecture fascinated the students.

教授的博学讲座让学生们着迷。

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。

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 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 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。

A2 noun ɪˈvɛnts

events

事件

Meaning

A thing that happens, especially one of importance.

Example

Several events were held across the country.

全国范围内举行了几个事件。

B2 noun /ˌekspləˈreɪʃən/

exploration

探索

Meaning

the action of traveling through or studying an area to learn more about it

Example

Space exploration has expanded our understanding of the universe.

太空探索扩展了我们对宇宙的理解。

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。

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。

B2 adjective ˈɛvɪdənt

evident

明显的

Meaning

Clearly seen or understood; obvious.

Example

The result was evident.

结果是显而易见的。

C2 verb /ɛkˈskɔːrieɪt/

excoriate

严厉批评

Meaning

To strongly criticize someone; to denounce severely.

Example

The critic excoriated the film for its poor script.

评论家因影片的糟糕剧本而严厉批评了该片。

B1 noun /ˈɛldər/

elder

长者

Meaning

a person who is older or has higher rank; an older person in a family or community

Example

We should always respect our elders.

我们应该永远尊敬我们的长辈。

A1 adjective /ɪkˈsaɪtɪd/

excited

兴奋的

Meaning

very enthusiastic and eager about something

Example

The children were excited to open their presents.

孩子们迫不及待地打开了他们的礼物。

B2 adjective /ˈiːtəbl̩/

eatable

可食用

Meaning

suitable or safe for eating

Example

The berries are not only eatable but also quite tasty.

这些浆果不仅可食用，而且味道相当好。

C1 verb /ɪˈlæps/

elapse

经过

Meaning

to pass or go by, usually referring to time

Example

Several hours elapsed before he finally returned home.

经过了几个小时，他终于回到家了。

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 /ɪkˈstɛnjueɪtɪŋ/

extenuating

减轻的

Meaning

serving to make a fault or an offense seem less serious

Example

She asked for leniency due to extenuating circumstances.

她因减轻的情况请求宽恕。

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 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。

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。

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!'

B1 adjective /ɪnˌθjuːziˈæstɪk/

enthusiastic

热情的

Meaning

Having or showing intense and eager enjoyment, interest, or approval.

Example

The explorers were enthusiastic about the journey.

探险者对这次旅行充满热情。

B2 verb/noun /ɪɡˈzɪbɪt/

exhibit

展出

Meaning

To display or show publicly; something put on display.

Example

The museum will exhibit ancient artifacts.

博物馆将展出古代文物。

C2 noun /ɪɡˈzɛmplɑːr/

exemplar

典范

Meaning

A model or pattern to be copied or imitated.

Example

She is an exemplar of kindness and generosity.

她是善良和慷慨的典范。

C2 verb /ɪnˈvaɪərən/

environ

环绕

Meaning

to surround or enclose; to encircle

Example

Mountains environ the small valley.

山脉环绕着小山谷。

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。

B2 adjective /ɪnˈtaɪtəld/

entitled

有权

Meaning

having the right to do or have something; feeling deserving of special treatment

Example

Employees are entitled to paid leave.

员工有权享受带薪休假。

B2 adjective /ɪˈmɜːrdʒɪŋ/

emerging

新兴

Meaning

becoming known, developing, or starting to exist

Example

Bangladesh is one of the fastest emerging economies in the world.

孟加拉国是世界上发展最快的新兴经济体之一。

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。

B2 noun /ɪnˌsaɪkləˈpiːdiə/

encyclopedia

百科全书

Meaning

a book or set of books containing information on many subjects, usually arranged alphabetically

Example

She used an encyclopedia to complete her school project.

她使用了百科全书来完成她的学校项目。

C2 noun /ɪˈluːʒən/

elusion

回避

Meaning

The act of escaping or avoiding something, especially by cleverness or trickery.

Example

His constant elusion of responsibility frustrated his colleagues.

他不断回避责任，让他的同事感到沮丧。

B1 verb /ɪkˈsplɔːrɪŋ/

exploring

探索

Meaning

Investigating or studying thoroughly; searching into or ranging over for the purpose of discovery.

Example

They are exploring different areas of Antarctica.

他们正在探索南极的不同区域。

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。

B2 adverb /ˈiːɡərli/

Eagerly

急切地; 怀着强烈的愿望

Meaning

with keen interest or enthusiasm; with great desire

Example

The children eagerly waited for the holiday to begin.

孩子们急切地等待假期的开始。

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。

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。

B2 adverb /ɪˈfɪʃəntli/

efficiently

高效地

Meaning

in a way that achieves maximum productivity with minimum wasted effort or expense

Example

She managed to complete the task efficiently within the deadline.

她在最后期限内高效地完成了任务。

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。

A1 adverb /ˈevər/

Ever

曾经; 总是; 以任何方式

Meaning

at any time; always; in any way

Example

Have you ever been to Paris?

你曾经去过巴黎吗?

C1 verb /ɪkˈspaʊnd/

expound

详细阐述

Meaning

to present and explain in detail

Example

The professor expounded the theory in simple terms.

教授用简单的术语详细阐述了这个理论。

B1 noun ˈem.fə.sɪs

emphasis

重音

Meaning

Special importance, value, or prominence given to something; stress laid on a particular point or aspect.

Example

The speaker placed emphasis on sustainable development.

演讲者强调了可持续发展。

B2 verb /ɪˈlɪmɪneɪt/

eliminate

消除

Meaning

To completely remove or get rid of something.

Example

Eliminate time-wasting habits.

消除浪费时间的习惯。

C2 adjective /ɪˈlɪʒən/

elysian

天堂的

Meaning

Relating to or characteristic of paradise; delightful and heavenly.

Example

They spent an elysian week on the quiet island.

他们在宁静的岛屿上度过了一个天堂般的星期。

C2 verb /ɪnˈθrɔːl/

enthral

吸引

Meaning

To captivate or hold someone’s full attention.

Example

The magician’s performance enthralled the audience.

魔术师的表演让观众着迷。

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 verb /ɪˈkweɪt/

equate

等同

Meaning

To consider as equal or equivalent.

Example

Many people equate wealth with success.

许多人将财富与成功相提并论。

C2 noun /ˌiː.kəʊ.tɒkˈsɪ.kə.lə.dʒi/

ecotoxicology

生态毒理学

Meaning

The study of the effects of chemical pollution on the environment.

Example

Ecotoxicology studies the effects of pesticides on wildlife.

生态毒理学研究农药对野生动物的影响。

A2 noun /ɪkˈsaɪt.mənt/

Excitement

兴奋

Meaning

a feeling of great enthusiasm and eagerness

Example

The children could barely contain their excitement about the upcoming field trip.

孩子们几乎无法抑制他们对即将到来的学校旅行的兴奋。

C2 adjective /ˌɛkstrəˌdʒuːˈdɪʃəl/

extrajudicial

非司法的

Meaning

done outside the authority of the legal system or judicial process

Example

The activists condemned the extrajudicial killings.

活动家谴责了非司法的谋杀。

B2 noun ˌeksplɔɪˈteɪʃən

exploitation

剥削

Meaning

The action of making use of and benefiting from resources, often in an unfair or selfish way.

Example

Exploitation of marine resources has led to significant damage.

对海洋资源的开发导致了显著的损害。

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。

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 /ˈɛmbəˌlɪzəm/

embolism

栓塞

Meaning

the sudden blockage of a blood vessel by a clot or other foreign matter

Example

The patient suffered a fatal pulmonary embolism.

患者遭受了致命的肺栓塞。

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。

C2 adjective /ɪˈfɛmɪnət/

effeminate

女性化

Meaning

Having traits, tastes, or habits traditionally considered feminine, often used negatively for men.

Example

The critics described him as effeminate due to his gentle manner.

评论家因其温和的举止而将他描述为女性化。

B2 verb /ɪkˈsɛl/

excel

表现突出

Meaning

to be exceptionally good at or proficient in an activity or subject

Example

She always tries to excel in her studies.

她总是尽力在学习中表现突出。

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 noun /ˈiːən/

eon

纪元

Meaning

an indefinitely long period of time; an age

Example

Dinosaurs lived millions of years ago, in a different eon.

恐龙在几百万年前生活，在一个不同的纪元。

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。

A2 adverb /ɪˈspeʃəli/

Especially

特别; 尤其是; 尤其

Meaning

particularly; in particular; above all

Example

I love all fruits, especially mangoes.

我喜欢所有的水果，特别是芒果。

B2 noun /ɪˈfɛktɪvnəs/

effectiveness

效能

Meaning

the degree to which something is successful in producing a desired result.

Example

The effectiveness of the new policy is still being evaluated.

新政策的效能仍在评估中。

C1 adjective ɪˌɡæl.ɪˈteə.ri.ən

egalitarian

平等主义

Meaning

Believing in or based on the principle that all people are equal and deserve equal rights and opportunities.

Example

The new law promotes an egalitarian society.

新法律促进了平等主义社会的发展。

C1 adjective /ˌɛnɪɡˈmætɪk/

enigmatic

神秘的

Meaning

mysterious and difficult to interpret or understand

Example

He gave me an enigmatic smile.

他给了我一个神秘的微笑。

还有别的吗

Meaning

In addition; besides.

Example

Is there anything else you need?

你还需要其他的吗?