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。

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。

B2 noun /ˈet.ɪ.kət/

Etiquette

礼仪

Meaning

the customary code of polite behavior in society or among members of a particular profession

Example

Proper etiquette requires standing when a lady enters the room.

适当的礼仪要求在女士进入房间时起立。

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。

C1 adjective /ɪkˈskruːʃieɪtɪŋ/

excruciating

剧烈的

Meaning

causing extreme physical or mental pain

Example

She was in excruciating pain after the accident.

她在事故后痛苦不堪。

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。

B2 adjective ɪkˈstɪŋkt

extinct

灭绝

Meaning

No longer in existence; having died out completely.

Example

Some species are becoming extinct due to overfishing.

一些物种由于过度捕捞而濒临灭绝。

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。

B2 verb ˈɛskəleɪt

escalate

升级

Meaning

To increase rapidly; to become more intense or serious

Example

The aging population is escalating at an alarming rate.

老龄化人口正在以惊人的速度升级。

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。

C2 noun /ɪkˈskrɛsəns/

excrescence

异常生长

Meaning

An abnormal outgrowth or lump, often considered unattractive.

Example

The building was considered an excrescence on the landscape.

这座建筑被认为是景观中的一种异常生长。

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。

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。

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。

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。

B1 adjective /ɪnˈkɝr.ɪ.dʒɪŋ/

Encouraging

鼓励的; 激励的

Meaning

giving support or confidence; inspiring; motivating

Example

The teacher's encouraging words motivated the students.

老师的鼓励性话语激励了学生。

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。

C2 noun /ɪkˌspɒstjʊˈleɪʃən/

expostulation

抗议

Meaning

the act of expressing protest or disagreement

Example

His expostulation against the unfair rules was ignored.

他对不公平规则的抗议被忽视了。

C2 noun /ɪˈfluːviəm/

effluvium

难闻的气味

Meaning

an unpleasant or harmful odor, secretion, or discharge

Example

The effluvium from the factory spread across the neighborhood.

工厂的废气弥漫到整个社区。

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。

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。

C1 adjective /ɪɡˈzɔːr.bɪ.tənt/

exorbitant

过高的

Meaning

Unreasonably high in price or cost; excessive.

Example

The hotel charged an exorbitant price for a basic room.

酒店为一个普通房间收取了过高的费用。

C2 adjective /ɪkˈspɒzɪtəri/

expository

说明的

Meaning

intended to explain or describe something

Example

The teacher gave an expository lecture on the topic.

老师就这个话题进行了说明性的讲座。

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。

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 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。

B1 verb /ɪkˈsplɔːr/

explore

探索

Meaning

to travel through or study something in order to learn more about it

Example

They decided to explore the forest together.

他们决定一起探索森林。

A2 verb ɜrn

earn

赚取

Meaning

To obtain money, typically as payment for work or through investment; to acquire or deserve through one's efforts.

Example

Assets help you earn income even while sleeping.

资产帮助你即使在睡觉时也能赚取收入。

C2 adjective /ˈɛdɪfaɪɪŋ/

edifying

启发性的

Meaning

Providing moral or intellectual instruction or enlightenment.

Example

The documentary was both entertaining and edifying.

这部纪录片既娱乐又启发人心。

B1 verb /ɪɡˈzæm.ɪn/

examine

幸福

Meaning

to look at something carefully in order to understand it

Example

The doctor will examine the patient tomorrow.

当她收到奖项时，她无法掩饰自己的幸福。

C2 adjective /ɪˈfjuːsɪv/

effusive

溢于言表的

Meaning

Expressing feelings of gratitude, pleasure, or approval in an unrestrained or heartfelt manner.

Example

She gave him an effusive welcome after his long journey.

在她漫长的旅程后，她给了他一个溢于言表的欢迎。

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。

C2 adverb /ɪkˈstem.pɔːr/

Extempore

即兴的；即席的；未经准备的

Meaning

without preparation; spontaneously; improvised

Example

The speaker delivered an impressive extempore speech at the conference.

演讲者在会议上发表了一场令人印象深刻的即兴演讲。

C2 verb /ɪkˈstɛnjueɪt/

extenuate

减轻

Meaning

to make an offense, fault, or situation seem less serious by providing an excuse or explanation

Example

The lawyer tried to extenuate his client's actions by highlighting his difficult childhood.

律师通过强调客户的艰难童年，试图减轻他的行为。

C2 noun /ɪkˈspiːdiənsi/

expediency

机会主义

Meaning

the quality of being convenient and practical despite possibly being improper or immoral

Example

He acted out of political expediency rather than principle.

他是出于政治机会主义而非原则行事。

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 ˌiː.kəʊˈfrend.li ˌɜː.bən.aɪˈzeɪ.ʃən

eco-friendly urbanization

生态友好的城市化

Meaning

The development of cities in a way that is not harmful to the environment.

Example

Eco-friendly urbanization reduces environmental degradation.

生态友好的城市化减少了环境退化。

Meaning

to become twisted together or caught in something; to involve in difficulties

Example

The fish got entangled in the net.

B1 verb /ˈɛmfəˌsaɪz/

emphasize

强调

Meaning

to give special importance or attention to something

Example

The teacher emphasized the importance of homework.

老师强调了作业的重要性。

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。

B1 noun /ˈɛlɪmənt/

element

元素

Meaning

A basic or essential part of something; a simple substance that cannot be broken down further.

Example

Trust is a key element of any strong relationship.

信任是任何强大关系的关键元素。

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。

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。

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。

C2 noun /eɪˈklɑː/

eclat

巨大成功

Meaning

Brilliant success, acclaim, or great public approval.

Example

The artist's debut performance was met with great éclat.

艺术家的首次演出获得了巨大的成功。

C1 adjective /ɪkˈsaɪtəbl̩/

excitable

易激动的

Meaning

easily excited or emotionally aroused

Example

The child was excitable and laughed at every small thing.

这个孩子很容易激动，对每个小事都笑。

C2 noun /ɪkˈsɪʒən/

excision

切除

Meaning

the act of cutting something out, especially by surgical removal

Example

The excision of the infected tissue prevented further complications.

切除感染的组织防止了进一步的并发症。

C1 adjective /ɪnˈdjʊər.ə.bəl/

Endurable

可忍受的

Meaning

able to be endured; bearable; tolerable

Example

The pain was endurable with proper medication.

使用适当的药物，疼痛是可以忍受的。

C2 adjective /ˈeksɪkrəbl/

execrable

可憎的

Meaning

Extremely bad or unpleasant.

Example

The movie was so execrable that many people left the theater early.

这部电影糟糕透顶，以至于许多人早早就离开了影院。

B1 adjective ɪˈfɪʃ.ənt

efficient

高效

Meaning

Working in a well-organized way; competent and effective in performance.

Example

Efficient farming methods improve yields.

高效的农业方法提高产量。

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 /ˈɛləˌveɪtər/

elevator

电梯

Meaning

a machine that carries people or goods up and down between floors in a building

Example

We took the elevator to the tenth floor.

我们乘坐电梯到达了第十层。

C2 noun /ɪɡˈzækʃən/

exaction

敲诈

Meaning

the act of demanding or obtaining something, especially unfairly

Example

The peasants suffered under the king's heavy exactions.

农民在国王的沉重敲诈下受苦。

B2 noun /ˌɛvəˈluːʃən/

evolution

进化

Meaning

the gradual development of something, especially from a simple to a more complex form

Example

The theory of evolution explains how species change over time.

进化论解释了物种如何随着时间变化。

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 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 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 /ˈɛkˌsaɪz/

excise

切除

Meaning

to cut out or remove completely, often by surgery

Example

The surgeon excised the tumor successfully.

外科医生成功地切除了肿瘤。

B2 adverb /ɪˈməʊʃənəli/

emotionally

情感上

Meaning

in a way that relates to a person's feelings or emotions

Example

She became emotionally attached to her pet.

她变得情感上依赖她的宠物。

A1 adjective /ˈevri/

Every

每个; 所有; 无一例外

Meaning

each one; all; without exception

Example

Every student must complete their homework.

每个学生都必须完成作业。

B2 noun /ˈɛθɪks/

ethics

伦理

Meaning

moral principles that govern a person's behavior or the conduct of an activity

Example

Business ethics require companies to act fairly and responsibly.

商业伦理要求公司公平且负责任地行事。

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。

C2 adjective /ɪˈbʊliənt/

ebullient

兴高采烈

Meaning

cheerful and full of energy

Example

She was ebullient after receiving the good news.

收到好消息后，她兴高采烈。

C2 adjective /ˌɛfləˈrɛsənt/

efflorescent

盛开的

Meaning

in the process of blooming or flourishing

Example

The efflorescent trees made the park look beautiful.

盛开的树木让公园看起来很美丽。

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 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。

B1 adjective /ɪnˌvaɪrənˈmɛntl/

environmental

环境的

Meaning

relating to the natural world and the impact of human activity on its condition

Example

The company adopted new policies to reduce environmental damage.

公司采取了新的政策以减少环境损害。

B1 noun /ɪˈmoʊ.ʃən/

Emotion

情感

Meaning

a strong feeling deriving from one's circumstances, mood, or relationships

Example

Her face showed every emotion she was feeling inside.

她的脸上展现了她内心的每一种情感。

C1 adjective /ɪɡˈzuːbərənt/

exuberant

欣喜若狂

Meaning

full of energy, excitement, and cheerfulness

Example

The children were exuberant after winning the game.

孩子们在赢得比赛后欣喜若狂。

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。

A2 adverb /ˈiːzɪli/

Easily

轻松地; 容易地

Meaning

without difficulty; in a simple or effortless manner

Example

She easily solved the math problem in minutes.

她轻松地在几分钟内解决了数学问题。

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。

C2 adjective /ɪˈpɪstələri/

epistolary

书信体

Meaning

Related to the writing of letters; expressed in or through letters.

Example

The novel is written in an epistolary style, consisting of letters between characters.

这本小说是以书信体风格写的，由人物之间的信件组成。

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。

A2 adjective /ˈemp.ti/

Empty

空的; 无内容的

Meaning

containing nothing; vacant; without contents

Example

The glass is empty and needs to be refilled.

玻璃杯是空的，需要重新填充。

C2 noun /ɪˈmɒljʊmənt/

emolument

工资

Meaning

payment for work or services; salary or fees

Example

The professor received his annual emolument from the university.

教授从大学收到了他的年薪。

C2 noun /ˈeb.taɪd/

Ebb-tide

退潮

Meaning

the movement of the tide out to sea; a time when the sea level is falling

Example

During ebb-tide, we could walk further out on the beach.

在退潮期间，我们可以在海滩上走得更远。

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。

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 noun ɪˈpɪf.ə.ni

epiphany

突然的启示或顿悟

Meaning

A moment of sudden revelation or insight.

Example

He had an epiphany about his true purpose in life.

他对自己生命的真正意义有了显现。

C2 noun /ɪkˌsprəʊ.priˈeɪ.ʃən/

expropriation

征用

Meaning

The act of government taking private property, also known as confiscation, nationalization, or seizure.

Example

The land expropriation led to disputes among landowners.

土地征用导致了土地所有者之间的争议。

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。

B2 noun ˈikoʊ ˈfrɛndli tɛkˈnɑləʤiz

eco-friendly technologies

环保技术

Meaning

Technologies that are designed to minimize environmental impact and promote sustainability.

Example

Eco-friendly technologies can mitigate pollution.

环保技术可以减轻污染。

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。

B2 noun /ˈɛntəti/

entity

实体

Meaning

something that exists as a single and complete unit; an organization or being

Example

The new company will operate as a separate legal entity.

新公司将作为一个独立的法律实体运作。

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。

A1 verb /ɪnˈdʒɔɪ/

enjoy

享受

Meaning

to take pleasure in; to have a good time

Example

I enjoy reading books in my free time.

我在空闲时间享受阅读书籍。

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。

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。

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。

C2 noun /ˈɛkwɪpɪdʒ/

equipage

装备或带有配件的马车

Meaning

Equipment or a carriage with its accessories.

Example

The nobleman arrived in a grand equipage.

贵族乘坐豪华马车到达。

B2 noun ˌel.ɪ.dʒəˈbɪl.ə.ti

eligibility

资格

Meaning

The state of having the right to do or obtain something through satisfaction of the appropriate conditions.

Example

Eligibility criteria maintain fairness.

资格标准确保公平。

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 /ɪˈmeɪʃieɪt/

emaciate

消瘦

Meaning

To make abnormally thin or weak, usually because of illness or lack of food.

Example

The prisoners were emaciated after months without proper food.

囚犯在没有合适食物的几个月后变得极度消瘦。

C2 noun /ɪksˈtʃɛkər/

exchequer

国库

Meaning

The treasury of a state or country.

Example

The government announced new measures to improve the exchequer.

政府宣布了新的措施，以改善国库。

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。

Meaning

to involve something as a necessary or inevitable part or consequence

Example

The job will entail a lot of travel across the country.

C2 adjective /ˌɛlɪˈfæntaɪn/

elephantine

像大象一样的

Meaning

Huge, clumsy, or resembling an elephant in size or movement.

Example

The man moved with an elephantine grace.

那个人以大象般的优雅走动。

A1 noun/adjective /ˈɪŋɡlɪʃ/

english

英语

Meaning

The language of England, widely spoken around the world; relating to England or its people.

Example

She is learning English to study abroad.

她正在学习英语，以便出国留学。

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。

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。

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!'

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。

C2 verb /ɪnˈsaɪfər/

encipher

将消息转换为代码或密码

Meaning

to convert a message into code or cipher

Example

The agent enciphered the secret message before sending it.

特工在发送消息之前将其加密。

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。

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 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。

C1 noun ɪˈveɪ.ʒən

evasion

逃避

Meaning

The practice of avoiding or escaping from something, especially responsibility or duty.

Example

His evasion of responsibilities frustrated his colleagues.

他逃避责任的行为使同事们感到沮丧。