C2 noun /ˈɛksplətɪv/

expletive

脏话

Meaning

a word or phrase used as an exclamation, often offensive or profane

Example

He shouted an expletive when he dropped the hammer on his foot.

当他把锤子掉到脚上时，他喊出了一个脏话。

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。

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。

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。

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。

C2 verb /ɪɡˈzɪləreɪt/

exhilarate

激动

Meaning

To make someone feel very happy, animated, or excited.

Example

The mountain view exhilarated the travelers.

山脉的景色让旅行者兴奋。

B1 adjective ɪˈməʊʃənl

emotional

情感的

Meaning

Having feelings that are easily excited and openly displayed.

Example

Visiting the burial site made him emotional.

参观墓地让他变得情感丰富。

A2 adjective /ˌjʊərəˈpiːən/

european

欧洲的

Meaning

Relating to Europe or its people.

Example

She studied European history at university.

她在大学学习了欧洲历史。

B2 noun /ɪˈrʌp.ʃən/

Eruption

火山喷发

Meaning

a sudden violent occurrence or outburst; volcanic explosion

Example

The volcanic eruption forced thousands of people to evacuate the area.

火山喷发迫使成千上万的人疏散该地区。

C2 noun /ɛˌspriː də ˈkɔːr/

esprit de corps

团队精神

Meaning

A feeling of pride, fellowship, and loyalty shared by members of a group.

Example

The team's esprit de corps was evident in their cooperative effort.

团队的精神在他们的合作努力中显而易见。

A2 noun /ɪˈfekt/

Effect

效果; 结果; 后果

Meaning

a change that is a result or consequence of an action or other cause

Example

The new medicine had a positive effect on the patient's recovery.

新药物对患者的恢复产生了积极的效果。

C1 verb /iːk/

eke

节省

Meaning

to make a small amount of something last longer by using it sparingly

Example

The family tried to eke out their savings during the tough months.

这个家庭在艰难的月份里尽量节省他们的积蓄。

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 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 noun /ɛmˈpɔːriəm/

emporium

大型商场

Meaning

A large retail store selling a wide variety of goods.

Example

They visited the new emporium to buy furniture and home decor.

他们参观了新的emporium，购买了家具和家居装饰。

B1 noun /ˌek.spləˈneɪ.ʃən/

Explanation

解释; 阐明;

Meaning

a statement or account that makes something clear; clarification of meaning

Example

The teacher gave a detailed explanation of the complex mathematical concept.

老师详细解释了这个复杂的数学概念。

C1 noun/verb /ɪˈstiːm/

esteem

尊敬

Meaning

Respect and admiration, typically for a person.

Example

She is held in high esteem by her colleagues.

她受到了同事们的高度尊敬。

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。

C2 noun /juː/

Ewe

母羊

Meaning

a female sheep

Example

The ewe gave birth to twin lambs.

母羊生下了双胞胎羔羊。

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 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。

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 adjective /ˈɛrənt/

errant

迷途的

Meaning

behaving wrongly or straying from the proper course or standards

Example

The teacher disciplined the errant student.

老师惩罚了那个迷途的学生。

B1 adverb /ɛtˈsɛtərə/

etcetera

等等

Meaning

used at the end of a list to indicate that other similar items are included

Example

She bought apples, oranges, bananas, etcetera from the market.

她从市场买了苹果、橙子、香蕉等等。

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。

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。

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 noun /ɪkˈspɛktənsi/

expectancy

期望

Meaning

the state of expecting something; anticipation or likelihood

Example

There was a sense of expectancy in the room before the results were announced.

在结果公布之前，房间里充满了期待感。

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。

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 /ˌek.spekˈteɪ.ʃən/

Expectation

期望; 希望;

Meaning

a strong belief that something will happen or be the case; anticipation

Example

The new teacher exceeded everyone's expectations with her innovative teaching methods.

新老师通过其创新的教学方法超越了所有人的期望。

B1 noun /ˈɛpɪsoʊd/

episode

剧集

Meaning

An event or part of a story, or one installment in a series.

Example

The last episode of the drama was watched by millions.

这部戏剧的最后一集被数百万人观看。

C2 noun /ˈɪrˌʃɑːt/

earshot

听力范围

Meaning

the range or distance within which a sound can be heard

Example

The children whispered secrets out of earshot of their parents.

孩子们在父母的听力范围之外低声说着秘密。

C2 noun /juːˈdʒen.ɪks/

eugenics

优生学

Meaning

the study or practice of improving the genetic quality of the human population

Example

Eugenics has been criticized for its unethical applications in history.

优生学因其在历史上的不道德应用而受到批评。

C1 verb /ɪkˈspend/

expend

花费

Meaning

to use up or consume; to spend energy or resources

Example

He expended all his energy on the project.

他把所有的精力都投入到这个项目上。

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。

C2 adjective /ˌɛvəˈnɛsənt/

evanescent

短暂的

Meaning

Quickly fading or disappearing; lasting for only a very short time.

Example

The beauty of the sunset was evanescent, fading within minutes.

夕阳的美丽是短暂的，在几分钟内消失了。

B1 adjective /ɪkˈstendɪd/

extended

扩展的

Meaning

longer or larger than usual; continuing for a longer time

Example

They took an extended vacation in Europe this summer.

他们这个夏天在欧洲度过了一个扩展的假期。

C2 verb /ɪˈdjuːs/

educe

引出

Meaning

To draw out or bring forth something latent or hidden.

Example

The teacher tried to educe a response from the shy student.

老师试图从害羞的学生那里引导出回应。

C1 noun /ɛnˈdɔːr.fɪnz/

endorphins

内啡肽

Meaning

Chemical compounds produced by the brain that reduce pain and create feelings of happiness.

Example

Exercise releases endorphins, reducing stress and pain.

锻炼释放内啡肽，减轻压力和疼痛。

C2 noun /ˈjuːfəni/

euphony

和谐的音调

Meaning

The quality of being pleasing to the ear, especially through harmonious combination of words.

Example

The orator's speech was full of euphony and rhythm.

演讲者的演讲充满了和谐的音韵和节奏。

B2 adjective ˌiːkəˈlɒdʒɪkəl

ecological

生态的

Meaning

Relating to ecology or the environment.

Example

Deforestation threatens the ecological balance of the planet.

森林砍伐威胁到地球的生态平衡。

B2 verb /ɪnˈroʊl/

enroll

注册

Meaning

to officially join or register in a school, course, or organization

Example

He decided to enroll in a computer programming course.

他决定报名参加计算机编程课程。

C2 verb /ɛnˈkɪndl/

enkindle

点燃，激发

Meaning

to set on fire or inspire strong emotion

Example

The speech enkindled hope in the audience.

演讲点燃了观众心中的希望。

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 /ɪkˈsiːd/

exceed

超越

Meaning

to go beyond a limit or expectation

Example

The athlete exceeded everyone's expectations by winning the gold medal.

运动员通过赢得金牌超越了每个人的期望。

B1 noun /ɪnˈkʌrɪdʒmənt/

encouragement

鼓励

Meaning

the action of giving someone support, confidence, or hope

Example

Her encouragement helped me finish the project.

她的鼓励帮助我完成了项目。

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。

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。

C2 noun /ˌɛpɪzəʊˈɒtɪk/

epizootic

动物疫病

Meaning

An outbreak of disease affecting many animals of one kind at the same time.

Example

The farmer feared an epizootic might wipe out his cattle.

农民担心动物疫病会消灭他的家畜。

C1 noun ɪˌlæˈstɪs.ə.ti

elasticity

弹性

Meaning

The responsiveness of demand or supply to changes in price.

Example

The elasticity of demand for luxury goods is high.

奢侈品的需求弹性很高。

C2 verb /ɪkˈstruːd/

extrude

挤出

Meaning

to force something out through a small opening; to shape by pushing material through a mold

Example

The factory extrudes plastic pipes using modern machines.

工厂使用现代机器挤出塑料管。

C1 noun /ɪkˈstriː.mɪst/

Extremist

极端分子

Meaning

a person who holds extreme political or religious views

Example

The government is taking measures to prevent extremist activities.

政府正在采取措施防止极端分子活动。

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。

C1 noun /ˈɛpɪˌlɔːɡ/

epilogue

结语

Meaning

A section at the end of a book, play, or speech that serves as a conclusion.

Example

The author included an epilogue to explain what happened to the characters later.

作者添加了结语，以解释后来的角色发生了什么。

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。

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。

B1 adjective ɪɡˈzɪs.tɪŋ

existing

现有的

Meaning

In existence; present; current.

Example

The commission reviews existing provisions.

委员会审查现有的规定。

B1 noun /ˌiːkəˈnɒmɪks/ or /ˌɛkəˈnɒmɪks/

economics

经济学

Meaning

The study of production, consumption, and transfer of wealth.

Example

He is studying economics at university.

他在大学学习经济学。

B2 noun /ˈɛksələns/

excellence

卓越

Meaning

the quality of being outstanding or extremely good

Example

The school is known for its academic excellence.

这所学校因其学术卓越而闻名。

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。

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。

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。

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。

B1 adjective /ɪkˈspɛktɪd/

expected

预期的

Meaning

Regarded as likely to happen; anticipated or predicted.

Example

The unemployment rate is expected to decline further.

预计失业率将进一步下降。

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。

B2 verb /ɪkˈskluːd/

exclude

排除

Meaning

To deliberately leave out or prevent someone or something from being included.

Example

The list excludes temporary workers.

该列表排除了临时工。

B2 verb /ɪkˈspoʊz/

expose

揭示

Meaning

to reveal or uncover; to make visible or known

Example

The investigation exposed the truth about the scandal.

调查揭示了丑闻的真相。

B2 adjective /ɪˈkwɪv.ə.lənt/

Equivalent

等价的; 相等的

Meaning

equal in value, amount, function, or meaning; having the same effect or result

Example

This amount is equivalent to ten dollars.

这个金额等于十美元。

B2 verb /ɪnˈkʌmpəs/

encompass

涵盖

Meaning

To include comprehensively; to surround or encircle.

Example

The project will encompass all aspects of rural development.

该项目将涵盖农村发展的各个方面。

B2 noun /ˈaɪ.lɪd/

Eyelid

眼皮

Meaning

either of the upper or lower folds of skin that cover the eye when closed

Example

Her eyelids felt heavy with sleep.

她的眼皮因睡意而感到沉重。

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。

A2 noun /ɪkˈspɪə.ri.əns/

Experience

经验

Meaning

practical contact with and observation of facts or events; knowledge gained through involvement

Example

Her years of teaching experience made her an excellent mentor for new teachers.

她多年的教学经验使她成为新教师的优秀导师。

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。

A2 adjective /ɪmˈbærəst/

embarrassed

尴尬

Meaning

feeling awkward, ashamed, or self-conscious about something

Example

He felt embarrassed when he forgot her name.

当他忘记她的名字时，他感到尴尬。

A2 noun /ɪˈvent/

event

事件

Meaning

something that happens, especially something important

Example

The concert was the biggest event of the year.

音乐会是今年最大的事件。

Meaning

to make amends for guilt or wrongdoing

Example

He tried to expiate his crime by helping the poor.

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。

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。

C1 noun /ˈiːkwɪnɒks/

equinox

昼夜平衡

Meaning

The time or date when day and night are of equal length, occurring twice a year.

Example

The spring equinox marks the beginning of longer days.

春分标志着白天时间变长的开始。

B1 noun /ɪˈlɛkʃən/

election

选举

Meaning

The process of choosing someone for public office by voting.

Example

The election will be held next month.

选举将在下个月举行。

B1 noun /ɪɡˌzæm.ɪˈneɪ.ʃən/

examination

考试

Meaning

a formal test of knowledge or ability

Example

She is preparing for her final examination.

她正在为她的期末考试做准备。

A2 adjective /ɪˌlɛkˈtrɒnɪk/

electronic

电子的

Meaning

Operating with or produced by the use of electronic devices.

Example

She bought an electronic keyboard for her music lessons.

她为她的音乐课买了一台电子键盘。

Meaning

to come into view or become apparent; to arise or appear from something

Example

New opportunities will emerge as the industry grows.

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。

C2 verb /ɪˈfeɪsɪŋ/

effacing

抹去 / 使自己不显眼

Meaning

erasing or making oneself inconspicuous; to remove or diminish in significance

Example

She kept effacing herself during the meeting so that others could shine.

她在会议期间不断抹去自己，以便其他人能够发光。

A2 abbreviation /ɛtˈsɛtərə/

etc

等等

Meaning

Used to indicate additional, similar items in a list that are not mentioned.

Example

The shop sells fruits, vegetables, dairy, etc.

商店出售水果、蔬菜、乳制品等等。

C1 verb /ɪˈroʊd/

erode

侵蚀

Meaning

to gradually wear away or destroy by natural forces such as water, wind, or chemical action

Example

The coastline has begun to erode due to constant waves.

海岸线因持续的波浪开始侵蚀。

B1 verb ɪkˈspændɪŋ

expanding

扩展

Meaning

Becoming larger or more extensive; increasing in size, number, or importance.

Example

Expanding education opportunities helps reduce inequality.

扩展教育机会有助于减少不平等。

C2 noun /ɪɡˈzɔːrbɪtəns/

exorbitance

过度

Meaning

The quality of being excessive, unreasonable, or going beyond proper limits.

Example

The exorbitance of the hotel's prices shocked the tourists.

酒店价格的过度让游客们震惊。

C2 verb /ɪkˈspɒstjʊleɪt/

expostulate

表示不同意见

Meaning

to express strong disapproval or disagreement

Example

She expostulated with her friend about the risky decision.

她对她朋友关于冒险决定的看法表达了不同意见。

A1 pronoun /ˈɛvrɪθɪŋ/

everything

一切

Meaning

all things; the whole lot

Example

He packed everything in his suitcase.

他把所有东西都装进了他的行李箱。

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。

B2 noun /ˌɛkspɜːˈtiːz/

expertise

专业知识

Meaning

Expert knowledge or skill in a particular area.

Example

His expertise in graphic design is widely recognized.

他的图形设计专业知识被广泛认可。

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。

B1 adjective /ɪmˈbær.ə.sɪŋ/

Embarrassing

尴尬的; 令人不安的; 使羞愧的

Meaning

causing shame or awkwardness; uncomfortable; humiliating

Example

It was embarrassing when I forgot her name.

当我忘记她的名字时，那真是太尴尬了。

C1 noun /ˈɛn.kleɪv/

enclave

飞地

Meaning

a distinct area or group enclosed within a larger one

Example

The city has a small Italian enclave where traditions are preserved.

这座城市有一个小的意大利飞地，保留着传统。