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C1 noun ˈɛksəʊˌplænɪt

exoplanet

绕着一颗恒星公转的星球，位于太阳系外
Meaning
A planet that orbits a star outside the solar system.
Example
Astronomers have discovered thousands of exoplanets in the last decade.
天文学家在过去十年发现了成千上万的外行星。
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。
C2 noun /ˈɛmɪsɛri/

emissary

特使
Meaning
A person sent on a special mission, usually as a diplomatic representative.
Example
The king sent an emissary to negotiate peace.
国王派遣了一名特使去谈判和平。
B2 noun /ˈɛdʒuˌkeɪtər/

educator

教育工作者
Meaning
a person who provides education; a teacher or instructor
Example
She is a dedicated educator who inspires her students every day.
她是一位献身的教育工作者，每天都在激励她的学生。
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 /ˌɛkskləˈmeɪʃən/

exclamation

感叹
Meaning
A sudden cry or remark expressing strong emotion or surprise.
Example
She let out an exclamation of joy when she heard the news.
当她听到这个消息时，她发出了喜悦的感叹。
B2 verb, noun /ɪkˈsplɔɪt/

exploit

Meaning
to make full use of and derive benefit from (a resource); to use someone unfairly for one’s own advantage
Example
The company was accused of exploiting child labor.
B2 noun /ɪnˈfɔːrsmənt/

enforcement

执法
Meaning
the act of making sure that laws or rules are followed
Example
The police are responsible for law enforcement.
警察负责执法。
B2 noun /ɪnˌvaɪrənˈmɛntəl ˈmuːvmənt/

environmental movement

环境运动
Meaning
A social or political movement aimed at protecting the environment and promoting sustainable practices through advocacy, education, and policy changes.
Example
The environmental movement focuses on reducing pollution and protecting ecosystems.
环境运动专注于减少污染并保护生态系统。
C2 verb /ɪsˈtʃuː/

eschew

避开
Meaning
to deliberately avoid or abstain from something
Example
She chose to eschew junk food for a healthier diet.
她选择避开垃圾食品，选择更健康的饮食。
B2 noun ɪkˈspænʃən

expansion

扩展
Meaning
The action of becoming larger or more extensive; growth or development.
Example
Volunteering helps in the expansion of social networks.
志愿服务有助于社交网络的扩展。
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。
C2 verb /ɪˈvɪns/

evince

展示
Meaning
to show or demonstrate clearly
Example
She evinced her interest in the project through active participation.
她通过积极参与展示了对该项目的兴趣。
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。
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。
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 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 /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 adjective /ɪˈfɛm.ər.əl/

ephemeral

短暂
Meaning
Lasting for a very short time; temporary or transitory.
Example
The beauty of cherry blossoms is ephemeral.
樱花的美丽是短暂的。
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。
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 /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。
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。
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。
C2 adjective /ˌiːvənˈhændɪd/

evenhanded

公正无私
Meaning
Fair and impartial; showing no bias or favoritism.
Example
The judge was praised for her evenhanded approach to the case.
法官因其公正无私的案件处理方式而受到赞扬。
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。
A1 pronoun /ˈɛvrɪwʌn/

everyone

每个人
Meaning
every person; all people
Example
Everyone must bring their own lunch.
每个人都必须带自己的午餐。
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。
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。
B2 noun /iːz/

Ease

轻松；舒适
Meaning
absence of difficulty or effort; comfort and relaxation
Example
After years of practice, she played the piano with great ease.
经过多年的练习，她弹钢琴时非常轻松。
C2 adverb /ˌɛkspəˈdɪʃəsli/

expeditiously

迅速而高效地
Meaning
in a quick and efficient manner
Example
The application was processed expeditiously.
申请被迅速而高效地处理了。
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。
B2 noun /ˈaɪ.saɪt/

Eyesight

视力
Meaning
the ability to see; vision
Example
Regular eye checkups are important for maintaining good eyesight.
定期眼部检查对于保持良好的视力至关重要。
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。
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。
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。
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。
A1 noun /ɪɡˈzɑːm.pəl/

example

例子
Meaning
a thing or person regarded as a model to be followed or avoided
Example
He is a good example of a hardworking student.
他是一个勤奋学生的好例子。
B2 adjective ɪˈvɒlvɪŋ

evolving

演变的
Meaning
Developing gradually, especially from a simple to a more complex form; changing and developing.
Example
Education plays a role in evolving societal norms.
教育在社会规范的演变中发挥着作用。
C1 verb ˈɛk.spɪ.daɪt

expedite

加快
Meaning
Make an action or process happen sooner or be accomplished more quickly.
Example
The government took steps to expedite the approval process.
政府采取措施以加快审批流程。
C1 verb /ɪˈleɪt/

elate

使高兴
Meaning
To make someone very happy or proud.
Example
The success of the project elated the whole team.
项目的成功让整个团队都感到非常高兴。
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。
C1 noun/adjective /ɪˈliːtɪst/

elitist

精英主义者
Meaning
A person who believes that a society should be led by an elite; showing preference for a privileged class.
Example
His elitist attitude made him unpopular among his peers.
他的精英主义态度使他在同事中不受欢迎。
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 /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。
A2 noun/verb /ˌɛndʒɪˈnɪər/

engineer

工程师
Meaning
A person trained to design, build, or maintain engines, machines, or structures; to skillfully arrange or bring about.
Example
The engineer designed a new bridge across the river.
工程师设计了一个新桥，跨越了这条河流。
C1 noun /ˈiːdɪkt/

edict

法令
Meaning
An official order, proclamation, or decree issued by an authority.
Example
The king issued an edict banning smoking in public places.
国王发布了一个禁烟令，禁止在公共场所吸烟。
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。
A2 adjective /ɪkˈsaɪtɪŋ/

exciting

激动人心
Meaning
Causing great enthusiasm and eagerness.
Example
The journey has been an exciting experience.
这次旅行是一次激动人心的经历。
C2 noun /ɪˌkliːziˈæstɪk/

ecclesiastic

神职人员
Meaning
A member of the clergy or church official.
Example
The council was attended by several high-ranking ecclesiastics.
理事会由几位高级神职人员参加。
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。
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 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。
C1 noun /ˈɛksədəs/

exodus

大规模撤离
Meaning
A mass departure of people from a place.
Example
There was a sudden exodus of workers after the strike began.
罢工开始后，工人们突然发生了大规模撤离。
B2 verb /ɪˈkwɪp/

equip

装备
Meaning
to provide someone or something with the necessary items or skills for a task
Example
The school equipped its students with modern technology.
学校为学生配备了现代科技。
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。
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 verb /ɪˈloʊp/

elope

偷偷结婚
Meaning
to run away secretly in order to get married, especially without parental consent
Example
The young couple decided to elope to another city.
这对年轻情侣决定逃到另一个城市结婚。
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。
B1 adjective ɪkˈstriːm

extreme

极端
Meaning
Reaching a high or the highest degree; very great.
Example
Extreme weather patterns disrupt ecosystems.
极端的天气模式扰乱了生态系统。
B1 noun /ˈempaɪər/

empire

帝国
Meaning
a group of countries or regions controlled by one ruler or government
Example
The Roman Empire lasted for centuries.
罗马帝国延续了几个世纪。
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。
B1 verb /ɪmˈplɔɪ/

employ

雇佣
Meaning
to hire someone to do a job; to use something effectively
Example
The company plans to employ more engineers next year.
公司计划明年雇用更多的工程师。
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 /ˈɛstjʊəri/

estuary

河口
Meaning
the tidal mouth of a large river, where the tide meets the stream
Example
The city is located near the estuary of the river.
这座城市位于河口附近。
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。
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。
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。
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。
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 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。
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。
C2 adjective /ˌɛl.ɪˈdʒaɪ.ək/

elegiac

哀歌的
Meaning
Expressing sorrow, often for something past; resembling an elegy.
Example
The novel ends on an elegiac note, mourning the lost era.
这本小说以哀歌的语气结束，哀悼失落的时代。
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。
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 /ˈen.mə.ti/

Enmity

仇恨
Meaning
a state or feeling of active opposition or hostility
Example
The enmity between the two families lasted for generations.
两家族之间的仇恨持续了几代人。
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。
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。
C2 verb /ɪˈnəʊbəl/

ennoble

使高贵
Meaning
to give someone a noble rank or to elevate in dignity or honor
Example
His selfless actions ennobled his character in the eyes of others.
他的无私行为使他在他人眼中的品格得到了提升。
B2 noun /ˈɜːrnər/

earner

收入者
Meaning
A person who earns money through work or business
Example
She is the primary earner in her family.
她是家庭中的主要收入者。
C2 noun /ˈɛpɪˌsaɪkl/

epicycle

外行星环
Meaning
a small circle whose center moves around the circumference of a larger one, used in ancient astronomy
Example
The concept of the epicycle was used to explain planetary motion.
外行星环的概念被用来解释行星的运动。
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。
C1 noun /ˈjuːlədʒi/

eulogy

悼词
Meaning
A speech or piece of writing that praises someone, especially after their death.
Example
Her brother delivered a heartfelt eulogy at the funeral.
她的哥哥在葬礼上发表了感人的悼词。
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。
C1 verb /ɪnˈɡroʊs/

engross

专注
Meaning
to absorb all the attention or interest of someone
Example
She was so engrossed in the book that she forgot the time.
她如此专心读书，以至于忘记了时间。
C2 noun /ˈaɪ.sɔːr/

Eyesore

令人不悦的视觉效果; 恶心的景象
Meaning
something that is very ugly and unpleasant to look at
Example
The abandoned building has become an eyesore in the neighborhood.
废弃的建筑已成为社区中的眼中钉。
C1 noun /ˌɛks.həˈleɪ.ʃən/

exhalation

呼气
Meaning
The action of breathing out.
Example
Slow exhalation calms the nervous system.
缓慢的呼气使神经系统平静。
B2 verb /ɪˈlɛkt/

elect

选举
Meaning
To choose someone for a position or office by voting.
Example
The citizens elected a new president.
公民选举了新总统。
C1 noun /ɪɡˈzɛkjətər/

executor

遗嘱执行人
Meaning
A person appointed to carry out the terms of someone's will after their death.
Example
The executor managed the estate according to the deceased’s wishes.
遗嘱执行人根据已故者的意愿管理财产。
A2 adjective ˈiːkwəl

equal

平等
Meaning
Being the same in quantity, size, degree, or value; having the same status or treatment.
Example
Bose was regarded as Galileo's equal.
Bose被认为是伽利略的平等。
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 adjective /ɪˈnɔː.məs/

Enormous

巨大的; 庞大的; 异常大的
Meaning
very large in size, quantity, or extent; huge
Example
The elephant was enormous and weighed several tons.
大象非常巨大，重达几吨。
A2 noun /ˌen.təˈteɪn.mənt/

Entertainment

娱乐
Meaning
the action of providing or being provided with amusement or enjoyment
Example
The concert provided excellent entertainment for the entire family.
音乐会为全家人提供了极好的娱乐。
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。
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。
B2 verb /ɪmˈbɑːrk/

embark

开始
Meaning
to begin a journey, project, or activity
Example
She decided to embark on a new career in medicine.
她决定开始医学领域的新事业。
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。
B1 adjective /ˈiː.ɡər/

Eager

渴望的; 兴奋的; 热切的
Meaning
showing keen interest; enthusiastic; having or showing desire and excitement
Example
She was eager to start her new job.
她急切地等待着开始她的新工作。
C1 adjective /ˌɛm.briˈɒn.ɪk/

embryonic

胚胎的
Meaning
in an early or undeveloped stage; relating to an embryo
Example
The project is still in its embryonic stage.
这个项目仍处于胚胎阶段。
C1 verb ɪˈluː.sɪ.deɪt

elucidate

阐明, 阐述
Meaning
make (something) clear; explain.
Example
The professor elucidated the theory with simple examples.
教授通过简单的例子阐明了这个理论。
B2 adjective /ɪkˈsten.sɪv/

Extensive

广泛的; 大规模的; 广阔的
Meaning
covering or affecting a large area; comprehensive; wide-ranging
Example
The company conducted extensive research before launching the new product.
公司在推出新产品之前进行了广泛的研究。
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。
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。
C1 adjective /ɪˈlɪptɪkl/

elliptical

椭圆形的
Meaning
Having the shape of an ellipse; also, a style of speech that is concise and sometimes obscure.
Example
The planet follows an elliptical orbit around the sun.
行星沿着椭圆形的轨道围绕太阳运行。
B2 verb /ɪˈnækt/

enact

制定
Meaning
to make into law; to perform or act out
Example
The government decided to enact a new policy on education.
政府决定制定一项关于教育的新政策。
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。
C2 noun /ɪˈpɪsəl/

epistle

书信
Meaning
A letter, especially a formal or didactic one; often used for letters in the New Testament.
Example
He wrote a long epistle to his friend about his travels.
他写了一封长信给他的朋友，讲述了他的旅行。
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。
B1 noun /ˈaɪ.braʊ/

Eyebrow

眉毛
Meaning
the strip of hair growing on the ridge above the eye socket
Example
She raised her eyebrow in surprise.
她惊讶地抬起了眉毛。
C2 adjective /ˈɛksplɪkəbəl/

explicable

可解释的
Meaning
able to be explained or understood
Example
His sudden anger was explicable given the stressful situation.
他的突然愤怒是可以解释的，考虑到紧张的情况。
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。
C2 verb ɪɡˈzɔːrt

exhort

敦促
Meaning
To strongly encourage or urge someone to do something.
Example
The teacher exhorted students to work hard for exams.
老师敦促学生为了考试而努力学习。
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。
C1 noun ˈiːkəʊˌsɪstəm ˈsɜːvɪsɪz

ecosystem services

生态系统服务
Meaning
The benefits people obtain from ecosystems.
Example
Forests provide valuable ecosystem services, such as purifying air and water.
森林提供有价值的生态系统服务，如空气和水的净化。
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 /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 /ˌiː.tiˈɒ.lə.dʒi/

etiology

病因学
Meaning
the cause or origin of a disease or condition
Example
Doctors are studying the etiology of the new virus.
医生们正在研究新病毒的病因学。
B1 noun /ɪkˈsep.ʃən/

Exception

例外
Meaning
a person or thing that is excluded from a general statement or does not follow a rule
Example
Most students passed the exam, with the exception of a few who were absent.
大多数学生通过了考试，唯一的例外是几位缺席的学生。
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。
B1 verb /ɪɡˈzɪst/

exist

存在
Meaning
to have being or reality; to be present
Example
Dinosaurs existed millions of years ago.
恐龙在几百万年前就存在。
B1 noun /edʒ/

Edge

边缘; 锋利的边
Meaning
the outside limit of an object or area; a sharp side of a blade
Example
Be careful not to cut yourself on the sharp edge of the knife.
小心不要被刀的锋利边缘割伤。