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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。
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。
B1 noun /ˈɛdɪtər/

editor

编辑
Meaning
a person responsible for the final content of a newspaper, magazine, or book
Example
The editor approved the article before publication.
编辑在出版前批准了文章。
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。
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 noun ɪkˌstræp.əˈleɪ.ʃən

extrapolation

外推
Meaning
The action of estimating or concluding something by assuming that existing trends will continue.
Example
His extrapolation of market trends helped in financial planning.
他对市场趋势的外推帮助了财务规划。
C2 verb /ˌɛfəˈvɛs/

effervesce

起泡
Meaning
To give off bubbles of gas; to show excitement, liveliness, or enthusiasm.
Example
The soda began to effervesce as soon as it was opened.
汽水打开后开始起泡。
C1 adjective /ˌɛk.spəˈnɛn.ʃəl/

exponential

以增加的速度快速增长或扩展
Meaning
Rapid growth or expansion at an increasing rate
Example
Technology is advancing at an exponential rate.
技术以指数速度发展。
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。
A2 noun /ɪˈkwɪpmənt/

equipment

设备
Meaning
the necessary tools, machines, or other items needed for a particular purpose
Example
The laboratory bought new equipment for research.
实验室购买了新的设备用于研究。
B1 noun /ɪnˈθjuː.zi.æz.əm/

Enthusiasm

热情; 兴奋; 激情
Meaning
intense and eager enjoyment, interest, or approval
Example
Her enthusiasm for the project inspired the entire team.
她对这个项目的热情鼓舞了整个团队。
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。
B2 verb /ɪkˈspɛl/

expel

开除
Meaning
to officially force someone to leave a place or organization
Example
The student was expelled from school for misconduct.
这名学生因不良行为被学校开除。
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 verb /ɪˈspaʊz/

espouse

支持
Meaning
To adopt or support a cause, belief, or way of life.
Example
She espoused the philosophy of nonviolence throughout her career.
她在整个职业生涯中支持了非暴力的哲学。
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。
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 /ˌɛpɪˈdɜːrmɪs/

epidermis

皮肤的外层
Meaning
the outer layer of cells covering the body of an organism, especially the skin
Example
The epidermis protects the body from harmful bacteria.
表皮保护身体免受有害细菌的侵害。
B2 noun /ɪnˈrɪtʃ.mənt/

enrichment

丰富
Meaning
The action of improving or enhancing the quality or value of something.
Example
Cultural enrichment fosters a deeper understanding of traditions.
文化丰富促进对传统的更深理解。
B2 verb /ɪkˈstrækt/

extract

提取
Meaning
to remove or take out something, often with effort
Example
The dentist had to extract the damaged tooth.
牙医不得不提取受损的牙齿。
C1 verb /ɪnˈsɜːrkəl/

encircle

围绕
Meaning
to form a circle around something
Example
The protesters encircled the building in a human chain.
抗议者围绕着建筑物站成一条人链。
C1 verb /ɪɡˈzuːd/

exude

流露
Meaning
to display a quality strongly and openly; to release a liquid or smell slowly
Example
He exudes confidence whenever he speaks in public.
他每次在公众场合讲话时都会散发出自信。
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。
B2 verb /ɪnˈdɔːrs/

endorse

支持
Meaning
To give approval or support to someone or something; to publicly recommend.
Example
The celebrity endorsed the new skincare product.
这位名人支持了新的护肤产品。
C2 verb /ɪˈfjuːz/

effuse

表达
Meaning
To pour out or express feelings freely and openly.
Example
She effused gratitude for the help she received.
她表达了对收到帮助的感激之情。
B1 noun ɪɡˌzæm.ɪˈneɪ.ʃənz

examinations

考试
Meaning
A detailed inspection or investigation; a formal test of a person's knowledge or proficiency.
Example
BPSC conducts rigorous examinations.
BPSC 进行严格的考试。
C1 noun /ɪˈlɛk.trəʊ.laɪts/

electrolytes

电解质
Meaning
Minerals in body fluids that carry an electric charge and are essential for many bodily functions.
Example
Electrolytes help maintain proper fluid balance in the body.
电解质有助于维持体内的液体平衡。
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。
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。
C2 adjective /ˈɛksɪdʒənt/

exigent

紧急
Meaning
demanding immediate action or attention; urgent
Example
The patient’s exigent condition required immediate surgery.
病人的紧急情况需要立即进行手术。
A2 verb /ˈeksərsaɪz/

exercise

锻炼
Meaning
to do physical activity; to use or practice
Example
I exercise at the gym three times a week.
我每周三次在健身房锻炼。
C2 adjective /ˌɛkjʊˈmɛnɪkəl/

ecumenical

生态化宗教团结
Meaning
Promoting unity among different Christian churches or religions.
Example
The leaders gathered for an ecumenical conference to encourage dialogue.
领导们为促进对话召开了一个生态化会议。
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 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 noun /ɪˌkwɪvəˈkeɪʃən/

equivocation

使用含糊不清的语言
Meaning
The use of ambiguous language to conceal the truth or to avoid committing oneself.
Example
The politician’s equivocation frustrated voters who wanted a clear answer.
政治家的模棱两可让想要清晰答案的选民感到沮丧。
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。
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。
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 /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。
B1 adverb /ɪˈfɛktɪvli/

effectively

有效地
Meaning
in a way that produces the desired result; efficiently and successfully
Example
The team worked together effectively to finish the project on time.
团队有效地合作，按时完成了项目。
C2 verb /ɪɡˈzʌlt/

exult

欢呼
Meaning
to show or feel great joy, often as a result of success
Example
The fans exulted after their team won the championship.
球迷们在他们的球队赢得冠军后欢呼雀跃。
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。
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 verb /ɪkˈstɪŋ.ɡwɪʃ/

extinguish

熄灭
Meaning
to put out a fire, light, or to end something
Example
The firefighters managed to extinguish the blaze within an hour.
消防员在一个小时内成功扑灭了大火。
C1 noun /ˈɑːnkɔːr/

encore

安可
Meaning
An additional performance demanded by an audience at the end of a show.
Example
The band returned to the stage for an encore.
乐队返回舞台进行安可表演。
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。
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。
C2 adjective /ˌɛnkəˈmiːæstɪk/

encomiastic

赞美的
Meaning
Expressing praise; laudatory.
Example
The book was filled with encomiastic remarks about the author.
这本书充满了对作者的赞美评论。
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。
C1 adjective /ˈɜːrθ.li/

Earthly

尘世的; 物质的; 世界的
Meaning
relating to the earth or human life; worldly; material rather than spiritual
Example
He focused on earthly pleasures rather than spiritual growth.
他专注于尘世的乐趣，而不是精神上的成长。
A1 number /eɪt/

eight

八
Meaning
The number equivalent to the product of two and four; one more than seven.
Example
There are eight apples in the basket.
篮子里有八个苹果。
C2 noun /ˈɛpɪkjʊr/

epicure

美食家
Meaning
A person who enjoys fine food and drink, often with refined taste.
Example
As an epicure, she always sought out the finest restaurants in the city.
作为美食家，她总是寻找城市中最好的餐厅。
B1 verb /ɪkˈspænd/

expand

扩展
Meaning
To increase in size, number, or importance.
Example
The company plans to expand its operations into new markets.
公司计划将其业务扩展到新市场。
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。
C1 adjective /ɪˈnæmərd/

enamored

着迷
Meaning
filled with love or admiration
Example
He became enamored with classical music after attending the concert.
他在参加音乐会后爱上了古典音乐。
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。
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。
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。
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 /ɪɡˈzɔːstɪbəl/

exhaustible

可消耗
Meaning
able to be used up completely; not infinite
Example
Coal and oil are exhaustible resources.
煤炭和石油是可消耗的资源。
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。
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。
B2 adjective ɪkˈsep.ʃən.əl

exceptional

卓越的
Meaning
Unusually good; outstanding; forming an exception; not typical.
Example
Exceptional talent drives innovation.
卓越的才能推动创新。
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 noun /ˈɒntreɪ/ (UK), /ˈɑːntreɪ/ (US)

entree

主菜
Meaning
The main course of a meal (US); the right to enter or access (formal).
Example
The restaurant’s signature steak was served as the main entree.
餐厅的招牌牛排作为主菜上桌。
A2 adverb /ˈev.ri.weər/

Everywhere

到处
Meaning
in all places; wherever you go
Example
The internet allows us to connect with people everywhere.
互联网让我们可以与到处的人连接。
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。
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。
B2 verb /ɪˈveɪd/

evade

回避
Meaning
To escape or avoid something, especially by cleverness or trickery.
Example
He tried to evade the question by changing the subject.
他通过换话题来回避问题。
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。
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。
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。
A2 adjective /ɪˈlɛktrɪk/

electric

电的
Meaning
Relating to or operated by electricity.
Example
The room was lit by an electric lamp.
房间里用电灯照明。
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。
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 /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。
A1 noun /iːst/

east

东
Meaning
The direction from which the sun rises; one of the four cardinal points.
Example
The sun rises in the east.
太阳从东方升起。
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。
B2 verb /ɪˈrʌpt/

erupt

爆发
Meaning
to burst forth suddenly and violently
Example
The volcano erupted after centuries of dormancy.
火山在沉寂了几个世纪后爆发。
C2 verb /ˈeksɪkreɪt/

execrate

痛恨
Meaning
To feel or express great loathing or hatred for something.
Example
The community execrated the corrupt politician.
社区谴责了腐败的政治家。
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。
A1 noun /ɪər/

Ear

耳朵; 听力; 听的能力
Meaning
the organ of hearing; the ability to hear or listen
Example
She whispered something in his ear during the meeting.
她在会议期间低声在他耳边说了些什么。
B2 verb ɪnˈhɑːnst

enhanced

增强的
Meaning
Intensify, increase, or further improve the quality, value, or extent of something.
Example
Enhanced strategies improve outcomes.
增强的策略改善了结果。
B2 verb /ɪnˈtaɪtəl/

entitle

授予权利
Meaning
to give someone the right to have or do something
Example
Employees are entitled to receive paid holidays.
员工有权享受带薪假期。
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 /ˈɛnərˌveɪt/

enervate

使虚弱
Meaning
To weaken or drain someone of strength or vitality.
Example
The long hours of work enervated him.
长期的工作使他感到虚弱。
C1 noun /ɪɡˌzæm.ɪˈniː/

Examinee

考生
Meaning
a person who is being tested in an examination
Example
Each examinee was given two hours to complete the test.
每个考生都有两小时来完成考试。
C1 noun /ɪkˈspæns/

expanse

广阔的区域
Meaning
a wide, open area of land, sea, or sky
Example
The desert is a vast expanse of sand and rock.
沙漠是一个广阔的沙子和岩石区域。
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。
C1 verb /ɪˈkɒnəmaɪz/

economize

节省
Meaning
To reduce spending or use resources carefully.
Example
Families are trying to economize by cutting unnecessary expenses.
家庭正在通过减少不必要的支出来节省开支。
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 verb /ɪˈmænsɪpeɪt/

emancipate

解放
Meaning
to set someone free from legal, social, or political restrictions; to liberate from slavery or oppression
Example
The law was designed to emancipate slaves and grant them full citizenship.
这项法律旨在解放奴隶并授予他们完整的公民身份。
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 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 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。
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。
B2 verb /ɪnˈdeɪndʒər/

endanger

危及
Meaning
To put someone or something at risk or in danger.
Example
Cutting down forests can endanger many species of animals.
砍伐森林可能会使许多物种面临危险。
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。
B1 adjective /ˈɛd.jʊ.keɪ.tɪd/

educated

有教养的
Meaning
Having received a good level of formal schooling or training; knowledgeable
Example
She is an educated woman who values lifelong learning.
她是一个受过良好教育的女性，重视终身学习。
C1 adjective ɪˈθɪə.ri.əl

ethereal

天上的, 精致的, 超自然的
Meaning
Extremely delicate and light in a way that seems too perfect for this world.
Example
Her voice had an ethereal quality.
她的声音有一种以太的品质。
B1 noun /ˈɝːθ.kweɪk/

earthquake

地震
Meaning
A sudden and violent shaking of the ground as a result of movements within the earth's crust.
Example
A powerful earthquake struck Japan last night.
昨晚日本发生了强烈的地震。
B2 verb /ˈɛskɔrt/

escort

护送
Meaning
to accompany someone; to guide or protect while going somewhere
Example
The guard escorted the visitor to the office.
卫兵护送来访者到办公室。
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。
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。
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 verb /ɪkˈspʌndʒ/

expunge

擦除
Meaning
To erase or remove completely, often something unwanted.
Example
He managed to expunge the embarrassing memory from his mind.
他设法把尴尬的记忆从脑海中抹去。
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。
C2 noun /ˈiːɡlət/

eaglet

小鹰
Meaning
A young eagle.
Example
The eaglet waited in the nest for its mother to return.
小鹰在巢中等待母亲回来。
B2 noun ˌiːkəˈlɒdʒɪkəl ˈbæləns

ecological balance

生态平衡
Meaning
A state of dynamic equilibrium within a community of organisms.
Example
Maintaining ecological balance is essential for a sustainable planet.
维持生态平衡对可持续的星球至关重要。
B2 adjective /ɪkˈskluːdɪd/

Excluded

被排除; 被孤立
Meaning
not included; left out; barred from participation
Example
He felt excluded from the group activities and conversations.
他感到被排除在小组活动和对话之外。
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。
B2 noun /ɪkˈskluːʒən/

exclusion

排斥
Meaning
The process or state of being left out or denied access.
Example
The policy led to the exclusion of certain groups.
该政策导致某些群体被排斥。
C2 verb /ɪˈvɪsəˌreɪt/

eviscerate

取出内脏，摧毁
Meaning
to remove the internal organs of; to deprive of essential content
Example
The critics eviscerated the movie for its weak storyline.
评论家因为电影的弱剧情而摧毁了电影。
A2 noun ɪnˈvaɪ.rən.mənt

environment

环境
Meaning
The surroundings or conditions in which a person, animal, or plant lives or operates.
Example
Protecting the environment is crucial for future generations.
保护环境对未来几代人至关重要。
C2 adjective /ˈek.wə.bəl/

Equable

平和
Meaning
calm and even-tempered; not easily disturbed
Example
He maintained an equable temperament throughout the crisis.
他在整个危机期间保持了平和的性格。
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。
C1 adjective ɛnˈdɛm.ɪk

endemic

地方性
Meaning
Native and restricted to a certain place.
Example
The Bengal tiger is endemic to the Indian subcontinent.
孟加拉虎是印度次大陆的地方性物种。
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 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。
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。
C1 noun /ˈiːɡoʊˌɪzəm/

egoism

自我主义
Meaning
An ethical theory that treats self-interest as the foundation of morality; also, excessive preoccupation with oneself.
Example
His decisions were often driven by egoism rather than concern for others.
他的决定常常受到自我主义的驱使，而不是关心他人。