externally
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B2 adverb /ɪkˈstɜrnəli/

externally

外部地
Meaning
in a way that relates to the outer surface or outside appearance
Example
The building appeared externally modern, but inside it was quite old-fashioned.
这栋建筑外部看起来很现代,但里面相当老式。
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。
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。
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 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。
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。
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。
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。
A1 number /ɪˈlɛvən/

eleven

十一
Meaning
the number after ten and before twelve; 11
Example
There are eleven students in the classroom.
教室里有十一名学生。
B2 verb /ɪmˈbɑːrkɪŋ/

embarking

开始旅行
Meaning
Beginning a journey or enterprise.
Example
The group is embarking on a long journey.
小组正在开始一段长途旅行。
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 /ɪˈrɒtɪk/

erotic

色情的
Meaning
relating to or tending to arouse sexual desire or excitement
Example
The novel contained several erotic scenes.
这本小说包含了几个色情场景。
C1 noun /ɪnˈdɪrmənt/

endearment

亲切的词语
Meaning
A word or phrase expressing affection or love.
Example
She whispered a gentle endearment to her child.
她低声对孩子说了一个亲切的词语。
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 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 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。
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。
B1 noun /ɪˈdɪʃən/

edition

版本
Meaning
a particular version or printing of a book, newspaper, or other publication
Example
The latest edition of the magazine sold out quickly.
杂志的最新版本很快卖完了。
B2 adjective /ɪkˈstɜːr.nəl/

External

外部的
Meaning
coming from or relating to the outside; not belonging to or originating from within
Example
The company hired external consultants to review their business strategy.
公司聘请了外部顾问来审查他们的商业战略。
C2 noun /juːˌtrɑː.fɪˈkeɪ.ʃən/

eutrophication

湖泊或其他水体中过多的营养物质
Meaning
Excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.
Example
Excess fertilizers lead to eutrophication in lakes.
过多的肥料导致湖泊中的优氮化。
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。
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。
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。
C2 adjective ˈen.də.krɪn

endocrine

内分泌
Meaning
Relating to or denoting glands that secrete hormones directly into the blood.
Example
The endocrine system regulates metabolism and growth.
内分泌系统调节代谢和生长。
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。
B2 adjective /ˈɛθnɪk/

ethnic

民族的
Meaning
relating to a population subgroup with a common national or cultural tradition
Example
The festival celebrated the city's diverse ethnic communities.
这个节日庆祝了城市中各种民族的社区。
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。
C1 noun /ɪkˌsperɪˈmɛnteɪʃən/

experimentation

实验
Meaning
The process of performing a scientific procedure to make a discovery, test a hypothesis, or demonstrate a known fact.
Example
Experimentation leads to groundbreaking products.
实验引领创新产品。
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。
A1 verb /iːt/

eat

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 /ɛnˈsɪklɪkəl/

encyclical

教皇通谕
Meaning
a formal letter sent by the Pope to Catholic churches, usually addressing important issues
Example
The Pope issued an encyclical on climate change and moral responsibility.
教皇发布了关于气候变化和道德责任的通谕。
A2 noun /ɪksˈtʃeɪndʒ/

Exchange

交换
Meaning
an act of giving one thing and receiving another in return
Example
The exchange of gifts is a common tradition during the holidays.
节日期间互赠礼物是一个常见的传统。
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。
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。
C2 verb /ɛnˈdʒɔɪn/

enjoin

命令,禁止
Meaning
to instruct or urge someone to do something; to prohibit legally
Example
The judge enjoined the company from continuing its activities.
法官禁止公司继续其活动。
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。
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。
C1 adjective /ˌɛpɪˈsɒdɪk/

episodic

集集式的
Meaning
Happening occasionally or in separate parts; related to episodes.
Example
Her interest in art was episodic, coming and going over the years.
她对艺术的兴趣是间歇性的,随着岁月的流逝而来又去。
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 verb /ɪmˈbɒdi/

embody

体现
Meaning
To give tangible or visible form to an idea, quality, or feeling.
Example
She embodies the spirit of generosity.
她体现了慷慨的精神。
A2 noun /ˈɛndɪŋ/

ending

结局
Meaning
the final part of something, such as a story, event, or period of time
Example
The movie had a surprising ending that no one expected.
这部电影有一个令人惊讶的结局,没人预料到。
B1 noun ɪˈməʊʃənz

emotions

情感
Meaning
Strong feelings deriving from one's circumstances, mood, or relationships with others.
Example
Emotions ran high during the protests.
在抗议期间,情感高涨。
B2 noun /ɪˈmɜːrdʒəns/

emergence

出现
Meaning
the process of coming into view, existence, or prominence
Example
The emergence of new technologies has transformed communication.
新技术的出现改变了沟通方式。
B2 adjective /ɪkˈstræv.ə.ɡənt/

Extravagant

奢华
Meaning
spending much more than is necessary; wasteful; lacking restraint in spending
Example
His extravagant lifestyle included expensive cars and luxury vacations.
他奢华的生活方式包括昂贵的汽车和奢华的度假。
B2 verb /ɪmˈpaʊər/

empower

Meaning
To give someone the power or authority to do something; to make someone stronger or more confident.
Example
Education can empower people to improve their lives.
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。
C2 adjective /ˈɛstɪməbl/

estimable

值得尊敬的
Meaning
Worthy of great respect.
Example
Her estimable achievements inspired the whole community.
她值得尊敬的成就鼓舞了整个社区。
C1 adjective /ɪɡˈzæspəˌreɪtɪd/

exasperated

非常恼火
Meaning
greatly annoyed or irritated
Example
She gave him an exasperated look after his repeated mistakes.
在他的重复错误后,她给了他一个非常恼火的眼神。
C1 noun ˌes.kəˈleɪ.ʃən

escalation

快速增加;上涨。
Meaning
A rapid increase; a rise.
Example
The escalation of production costs impacts profitability.
生产成本的增加影响了盈利能力。
B2 verb /ɛksˈheɪl/

exhale

呼气
Meaning
to breathe out air from the lungs
Example
She slowly exhaled after holding her breath.
她屏住呼吸后慢慢地呼气。
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。
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 verb /ɛksˈproʊprieɪt/

expropriate

征用
Meaning
To take property from its owner, especially by authority or for public use.
Example
The government decided to expropriate the land for a new highway.
政府决定征用这块土地来修建一条新高速公路。
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。
A2 noun /ɪˈkɒn.ə.mi/

economy

经济
Meaning
The wealth and resources of a country or region.
Example
A stable economy is essential for national growth.
稳定的经济对国家的增长至关重要。
C1 adjective ɪˈroʊ.ni.əs

erroneous

错误的, 不正确的
Meaning
Wrong; incorrect.
Example
His assumptions were completely erroneous.
他的假设完全是错误的。
C1 noun /ɪɡˌzɪl.əˈreɪ.ʃən/

exhilaration

兴奋或快乐
Meaning
A feeling of excitement, happiness, or elation.
Example
The feeling of exhilaration after a roller-coaster ride is amazing.
过山车后的兴奋感真是不可思议。
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 /ɪnˈθrɔː.lɪŋ/

enthralling

引人入胜
Meaning
Captivating and holding one's attention completely; fascinating.
Example
The movie was enthralling, keeping the audience engaged till the end.
电影非常引人入胜,使观众直到最后都保持专注。
B1 adjective /ˈel.ɪ.ɡənt/

Elegant

优雅的
Meaning
graceful and stylish; refined; sophisticated
Example
She wore an elegant dress to the party.
她穿着一件优雅的连衣裙去参加聚会。
B2 adjective ɪkˈsɛsɪv

excessive

过度的
Meaning
More than is necessary, normal, or desirable; immoderate.
Example
Excessive population growth leads to resource depletion.
过度的人口增长导致资源枯竭。
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。
B1 noun ɪɡˈzek.jə.tɪv

executive

执行
Meaning
The branch of government responsible for implementing and enforcing laws.
Example
The executive body enforces policies.
执行机关执行政策。
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。
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。
B2 adverb /ɪkˈsplɪsɪtli/

explicitly

明确地
Meaning
in a clear and detailed manner, leaving no room for confusion or doubt
Example
The instructions were explicitly written to avoid any confusion.
指示明确地写出来,以避免任何混淆。
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。
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。
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。
B1 verb /ɪkˈspɔːrt/

export

出口
Meaning
to send goods or services to another country for sale
Example
The company exports cars to many countries.
公司将汽车出口到许多国家。
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。
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。
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。
B2 verb /ɪnˈvɪʒən/

envision

想象
Meaning
to imagine or picture something in the future; to visualize a possibility or goal
Example
She envisions a world where everyone has equal access to education.
她设想了一个每个人都能平等接受教育的世界。
C2 noun /ɪˈskʌtʃən/

escutcheon

带有家族徽章的盾牌
Meaning
a shield or emblem bearing a coat of arms
Example
The family crest was displayed on the escutcheon above the fireplace.
家族徽章展示在壁炉上方的盾牌上。
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。
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。
C1 verb /ˈɛkstrəˌdaɪt/

extradite

引渡
Meaning
to hand over a person accused or convicted of a crime to another country or state
Example
The government agreed to extradite the fugitive to his home country.
政府同意将逃犯引渡到他的祖国。
B2 adjective /ɪkˈskluːsɪv/

exclusive

仅限于特定的人、团体或区域;不与他人共享
Meaning
restricted to a particular person, group, or area; not shared with others
Example
The hotel offers exclusive access to a private beach.
酒店提供专属通往私人海滩的通道。
C2 adjective /juːˈdʒɛnɪk/

eugenic

优生学
Meaning
Relating to or aiming at improving the genetic quality of a population.
Example
In the early 20th century, some scientists supported eugenic policies.
20世纪初,一些科学家支持优生学政策。
B2 adjective /ɪˈlɛktərəl/

electoral

选举的
Meaning
related to elections or voting
Example
The electoral process in the country has been reformed in recent years.
该国的选举程序在近年来进行了改革。
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。
B1 adjective /ˈɛstɪmeɪtɪd/

estimated

估计的
Meaning
roughly calculated or judged; an approximate value or amount
Example
The estimated cost of the project is five million dollars.
该项目的估计成本为五百万美元。
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 adjective /ˈɛrzæts/

ersatz

替代品
Meaning
made or used as a substitute, typically an inferior one
Example
The cheap shoes were made of ersatz leather.
便宜的鞋子是用仿皮革做的。
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 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。
C1 verb /ɪkˈstɔːrt/

extort

勒索
Meaning
to obtain something, especially money, by force, threats, or unfair means
Example
The gang attempted to extort money from local shopkeepers.
这个团伙试图从当地店主那里勒索钱财。
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。
C2 noun /ɪˈklɛktɪˌsɪzəm/

eclecticism

折衷主义
Meaning
A method or practice of deriving ideas, style, or taste from a broad and diverse range of sources.
Example
The architect’s work shows eclecticism by blending modern and traditional elements.
建筑师的作品展示了折衷主义,融合了现代和传统元素。
C2 noun /ɪnˈkʌmbrəns/

encumbrance

负担 / 障碍
Meaning
a burden or obstacle that makes progress or movement difficult
Example
Debt can become a serious encumbrance in life.
债务可能成为生活中的严重负担。
C2 adjective /ˌɛsəˈtɛrɪk/

esoteric

深奥的
Meaning
intended for or understood by only a small number of people with special knowledge
Example
The professor gave an esoteric lecture on ancient philosophy.
教授做了一场关于古代哲学的深奥讲座。
A2 verb /ɪnˈkɜːrɪdʒ/

encourage

鼓励
Meaning
to give support, confidence, or hope; to motivate
Example
Teachers should encourage students to ask questions.
老师应该鼓励学生提出问题。
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。
C2 noun /ˈɛpɪtɑːf/

epitaph

墓志铭
Meaning
A short text written on a tombstone in memory of the deceased.
Example
The gravestone bore an epitaph honoring the soldier’s bravery.
墓碑上刻有纪念这位士兵勇敢的墓志铭。
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。
C2 verb /ˈɛdɪfaɪ/

edify

Meaning
To instruct or improve someone morally or intellectually.
Example
Good books can both entertain and edify the reader.
B1 noun /ˌek.sɪˈbɪʃ.ən/

Exhibition

展览
Meaning
a public display of works of art or other items of interest
Example
The art exhibition featured paintings from local artists throughout the region.
这场艺术展览展示了来自本地区的本地艺术家的画作。
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 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。
B1 verb /ɪˈstæblɪʃ/

establish

建立
Meaning
To set up, create, or bring into existence something on a firm basis.
Example
The company plans to establish a new office in Dhaka.
公司计划在达卡设立一个新办公室。
B2 noun /ˌep.ɪˈdem.ɪk/

Epidemic

流行病
Meaning
a widespread occurrence of an infectious disease in a community
Example
The flu epidemic affected thousands of people across the country.
流感疫情影响了全国成千上万的人。
A2 preposition/conjunction /ɪkˈsɛpt/

except

除了
Meaning
not including; other than
Example
Everyone was invited except John.
每个人都被邀请,除了约翰。
C2 adjective /ˌeθ.noʊˈsen.trɪk/

ethnocentric

民族中心主义
Meaning
evaluating other cultures according to the standards of one's own culture
Example
His ethnocentric attitude made it hard for him to appreciate foreign traditions.
他的民族中心主义态度让他很难欣赏外国的传统。
B1 noun /ɪɡˈzɪs.təns/

Existence

存在
Meaning
the fact or state of living or having objective reality; being alive
Example
Scientists are searching for evidence of life's existence on other planets.
科学家正在寻找其他星球上生命存在的证据。
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 /ɪˌlɪzəˈbiːθən/

elizabethan

伊丽莎白时代
Meaning
Relating to the reign of Queen Elizabeth I of England (1558–1603), especially the style of that period.
Example
Shakespeare wrote many of his plays during the Elizabethan era.
莎士比亚在伊丽莎白时代写了许多剧作。
B1 noun /ɪkˈspens/

Expense

费用; 支出;
Meaning
the cost required for something; money spent on something
Example
The travel expense for the business trip was covered by the company.
商务旅行的费用由公司承担。
C2 noun /ˌɛfəˈvɛsəns/

effervescence

泡沫
Meaning
The release of gas bubbles; vivacity or high-spiritedness.
Example
Her effervescence made her the life of the party.
她的泡沫让她成为派对的灵魂。
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。
C1 adjective /ɪkˈstreɪ.ni.əs/

extraneous

无关
Meaning
Not directly related or essential to the matter at hand; irrelevant.
Example
The editor removed extraneous details from the report.
编辑从报告中删除了无关的细节。
A2 noun/adjective /ˈekspɜːt/

expert

专家
Meaning
a person who has a lot of knowledge or skill in a particular area
Example
He is an expert in computer programming.
他是计算机编程方面的专家。
B2 noun /iˈkɒl.ə.dʒi/

ecology

生态学
Meaning
the study of how living things interact with each other and their environment
Example
Ecology helps us understand how pollution affects animals and plants.
生态学帮助我们理解污染如何影响动物和植物。
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 /ˈɛləkwəns/

eloquence

口才
Meaning
Fluent or persuasive speaking or writing.
Example
His eloquence in speech won him great respect.
他在演讲中的口才为他赢得了极大的尊重。
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。
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。
A2 noun ˌedʒ.ʊˈkeɪ.ʃən

education

教育
Meaning
The process of receiving or giving systematic instruction, especially at a school or university.
Example
Quality education is key to progress.
优质教育是进步的关键。
C1 noun /ɪkˈstrɛmɪti/

extremity

极限
Meaning
The farthest point or limit of something; a severe or extreme condition.
Example
He was pushed to the extremity of his patience.
他被推到了耐心的极限。
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 noun /ɪnˈtriːti/

entreaty

恳求
Meaning
An earnest or humble request or plea.
Example
She made an entreaty for peace during the heated argument.
她在激烈的争论中恳求和平。