emissary
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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 /ɪˈlɛktrɪk drɪl/

Electric drill

电动钻孔机
Meaning
A power tool used for drilling holes in various materials
Example
He used an electric drill to make holes in the wall for hanging pictures.
他用电动钻孔机在墙上打孔，用于挂画。
C2 noun /ˈɛksplɪkeɪtər/

explicator

阐释者
Meaning
a person who explains or interprets something in detail
Example
The critic served as an explicator of the poet’s complex works.
评论家担任了诗人复杂作品的阐释者。
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。
C1 noun /ɪmˈbɑː.ɡoʊ/

embargo

贸易禁令
Meaning
A trade ban, restriction, or prohibition imposed by a government or international organization on a country.
Example
The UN imposed an embargo on arms exports.
联合国对武器出口实施了禁运。
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。
C1 noun /ɪˈlɪpsɪs/

ellipsis

省略号
Meaning
The omission of words in a sentence, represented by three dots (...).
Example
The writer used an ellipsis to show that part of the quote was omitted.
作者使用省略号来表示引用的部分被省略。
A2 verb /ɪkˈspekt/

expect

期望
Meaning
to think something will happen; to anticipate
Example
I expect the meeting to start at 9 AM.
我预计会议将在上午9点开始。
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。
C2 adjective /ɛɡˈzɪɡjuəs/

exiguous

稀缺
Meaning
small in amount; scanty or inadequate
Example
They survived on exiguous rations during the journey.
他们在旅途中依靠稀缺的口粮生存。
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。
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。
B2 adjective /ɪˈven.tʃu.əl/

Eventual

最终的
Meaning
happening or existing at the end of a process; final; ultimate
Example
The eventual outcome was better than expected.
最终结果比预期的更好。
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。
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。
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。
B2 noun /ɪmˈbærəsmənt/

embarrassment

尴尬
Meaning
a feeling of self-consciousness, shame, or awkwardness
Example
Her face turned red with embarrassment after the mistake.
她因错误而羞愧得脸红了。
C1 noun ˈiː.pɒk

epoch

时代
Meaning
A period of time in history or a person's life, typically one marked by notable events or particular characteristics.
Example
The invention of the internet marked a new epoch in human history.
互联网的发明标志着人类历史的新纪元。
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。
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。
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。
A2 noun ˈefərts

efforts

努力
Meaning
A vigorous or determined attempt; physical or mental energy
Example
Your efforts determine your success.
你的努力决定了你的成功。
B1 adjective /ɪɡˈzækt/

Exact

精确的; 正确的; 完全正确
Meaning
precise; accurate; completely correct
Example
Please give me the exact time of the meeting.
请告诉我会议的准确时间。
B2 noun /ˈɛθɪk/

ethic

伦理
Meaning
a set of moral principles, especially ones relating to a particular group, system, or profession
Example
He has a strong work ethic and always meets deadlines.
他有很强的工作伦理，总是能按时完成任务。
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。
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 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。
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 ˈɛkəʊd

echoed

回响
Meaning
To repeat or resound; to be reminiscent of something.
Example
The words of gratitude echoed in his heart.
感恩的言辞在他心中回响。
B2 noun ɪˌlɪm.ɪˈneɪ.ʃən

elimination

消除
Meaning
The complete removal or destruction of something.
Example
The elimination of emissions is a priority.
排放的消除是优先事项。
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 noun /ɪˈlɛktrɪk ˈkɛtəl/

Electric Kettle

电热水壶
Meaning
An electrical appliance that heats water quickly using electricity
Example
The electric kettle automatically turns off when the water starts boiling.
电热水壶在水开始沸腾时自动关闭。
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 /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。
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。
B2 verb /ɪˈrɛkt/

erect

竖立
Meaning
to build or construct something; to set upright
Example
They erected a statue in the town square.
他们在市中心广场竖立了一个雕像。
C2 noun /ˈɪəri/

eyry

猛禽巢
Meaning
an alternative spelling of eyrie; a nest of a bird of prey
Example
The falcon guarded its eyry fiercely.
猎鹰猛烈地守护着它的巢。
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.
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 /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 adverb /ɪkˈstriːm.li/

Extremely

极其
Meaning
to a very high degree; exceptionally
Example
The weather today is extremely hot and humid.
今天的天气极其炎热和潮湿。
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。
C2 verb /ɪnˈdjuː/

endue

赋予
Meaning
To provide or endow with a quality or ability.
Example
The leader was endued with wisdom and courage.
领导者被赋予了智慧和勇气。
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 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 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。
C1 noun /ɪˈleɪʃən/

elation

极乐
Meaning
A feeling of great happiness and excitement.
Example
His elation was evident after winning the championship.
赢得冠军后，他的极乐心情显而易见。
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。
C1 verb /ˈiːkwəlaɪz/

equalize

平衡
Meaning
To make equal or level in status, value, or amount.
Example
The team equalized the score in the last minute.
团队在最后一分钟将比分扳平。
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。
B1 noun /ɪkˈsten.ʃən/

Extension

延长; 扩展
Meaning
the action of extending something; additional time or space
Example
The professor granted an extension for the assignment deadline.
教授为作业截止日期延长了时间。
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。
C2 verb /ɪˈfɛktʃueɪt/

effectuate

实施
Meaning
to put into force or cause to happen; to bring about
Example
The manager effectuated the changes to improve efficiency.
经理为了提高效率，实施了这些变更。
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。
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。
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。
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。
B2 verb /ɪnˈdjʊər/

endure

忍受
Meaning
to suffer something difficult or unpleasant patiently
Example
He had to endure years of hardship before achieving success.
他必须忍受多年的困苦，才能取得成功。
C1 noun ˈɛf.lu.ənt

effluent

废水或污染的液体
Meaning
Liquid waste or sewage discharged into a river or the sea.
Example
Factory effluent contaminates nearby rivers and lakes.
工厂废水污染附近的河流和湖泊。
C1 noun /ˈem.ɪ.nəns/

Eminence

名声; 卓越
Meaning
fame or recognized superiority; high rank or status
Example
The professor achieved eminence in the field of quantum physics.
教授在量子物理学领域获得了名声。
C2 verb /ɛnˈfiːbəl/

enfeeble

削弱
Meaning
To make weak or feeble; to deprive of strength.
Example
The long illness enfeebled the old man.
长期的疾病使老人虚弱。
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。
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。
C1 verb ɪɡˈzɛm.plɪ.faɪ

exemplify

举例说明
Meaning
To be a typical example of or to illustrate something clearly, to show as an example or demonstrate.
Example
His dedication exemplifies true leadership.
他的奉献展示了真正的领导力。
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。
C2 verb /ɛkˈskɔːrieɪt/

excoriate

严厉批评
Meaning
To strongly criticize someone; to denounce severely.
Example
The critic excoriated the film for its poor script.
评论家因影片的糟糕剧本而严厉批评了该片。
C1 adjective /ˈen.vi.əs/

Envious

嫉妒的; 羡慕的
Meaning
feeling or showing envy; jealous
Example
She felt envious of her friend's new car.
她对朋友的新车感到嫉妒。
B2 verb /ɪnˈkwaɪər/

enquire

询问
Meaning
to ask for information about something
Example
He enquired about the train schedule.
他询问了列车时刻表。
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。
C1 verb ɪˈluːd

elude

逃避
Meaning
Evade or escape from, typically in a skillful or cunning way; avoid being caught.
Example
The thief managed to elude the police.
小偷成功逃脱了警察。
A2 noun/verb /ˈɛɡzɪt/

exit

出口
Meaning
A way out of a place; the act of leaving.
Example
He quickly found the nearest exit during the fire drill.
他在火灾演习中迅速找到了最近的出口。
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。
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。
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。
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。
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。
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 /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 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。
A2 adverb /ˈiːkwəli/

equally

平等地
Meaning
in an equal or fair way; to the same degree
Example
The prize money was equally divided among the winners.
奖金在获胜者之间平等分配。
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 verb /ɪnˈsjuː/

ensue

发生
Meaning
to happen as a result or consequence
Example
After the argument, silence ensued.
争论后，沉默随之而来。
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 /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。
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。
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 verb /ˈɛkstrɪkeɪt/

extricate

解救
Meaning
To free someone or something from a constraint or difficulty.
Example
The firefighters extricated the passengers from the wrecked car.
消防员将乘客从翻车的汽车中解救出来。
A1 verb /ˈiːtɪŋ/

eating

吃
Meaning
the act of consuming food
Example
They were eating dinner when the phone rang.
他们在吃晚餐时，电话响了。
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。
C2 verb /ˈɛkspieɪt/

expiate

Meaning
to make amends for guilt or wrongdoing
Example
He tried to expiate his crime by helping the poor.
C2 adjective /ɪˈfɛmɪnət/

effeminate

女性化
Meaning
Having traits, tastes, or habits traditionally considered feminine, often used negatively for men.
Example
The critics described him as effeminate due to his gentle manner.
评论家因其温和的举止而将他描述为女性化。
C2 noun /ˈɒnwiː/ or /ˈɑːnwiː/

ennui

倦怠
Meaning
A feeling of boredom, listlessness, or dissatisfaction arising from lack of excitement.
Example
After weeks of doing nothing, he sank into a deep sense of ennui.
在没有做任何事情的几周后，他陷入了深深的倦怠。
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。
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。
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 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。
B1 verb /ˈedɪt/

edit

编辑
Meaning
to make changes to improve or correct something
Example
I need to edit this document before submission.
我需要在提交之前编辑这个文档。
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。
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。
B2 noun /ɪˈkweɪʒən/

equation

方程
Meaning
a mathematical statement that shows the equality of two expressions
Example
He solved the equation to find the value of x.
他解出了方程，找到了x的值。
B2 noun /ˈɪə.rə/

Era

时代
Meaning
a long and distinct period of history with a particular feature or characteristic
Example
The Renaissance was an era of great artistic and cultural achievement.
文艺复兴是一个伟大的艺术和文化成就的时代。
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。
B2 adjective /ɪˈlæs.tɪk/

Elastic

弹性
Meaning
able to stretch and return to original shape; flexible; adaptable
Example
The elastic band can stretch and return to its original shape.
弹性带可以拉伸并恢复到原来的形状。
B2 adjective /ɪkˈstɪr.i.ər/

Exterior

外部的；外表的；外部表面
Meaning
relating to the outside part or surface of something; outer
Example
The exterior of the building was painted in bright colors.
这座建筑的外观被涂上了鲜艳的颜色。
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。
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。
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。
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 adjective /ɪkˌstɛmpəˈreɪniəs/

extemporaneous

没有准备的讲话或行为
Meaning
Spoken or done without preparation.
Example
He gave an extemporaneous speech at the meeting.
他在会议上发表了即兴演讲。
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。
B2 noun /ɪkˈskɜː.ʃən/

Excursion

短途旅行；旅游
Meaning
a short journey or trip, especially one engaged in as a leisure activity
Example
The school organized an excursion to the science museum for all students.
学校为所有学生组织了去科学博物馆的短途旅行。
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。
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。
B2 noun /ˌɛdɪˈtɔːriəl/

editorial

社论
Meaning
A newspaper article expressing the opinion of the editor or publisher.
Example
The newspaper published an editorial criticizing government policy.
报纸发布了一篇批评政府政策的社论。
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 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。
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。
B2 adjective /ɪˈmɜːrdʒɪŋ/

emerging

新兴
Meaning
becoming known, developing, or starting to exist
Example
Bangladesh is one of the fastest emerging economies in the world.
孟加拉国是世界上发展最快的新兴经济体之一。
C2 noun /ˈɛmbəˌlɪzəm/

embolism

栓塞
Meaning
the sudden blockage of a blood vessel by a clot or other foreign matter
Example
The patient suffered a fatal pulmonary embolism.
患者遭受了致命的肺栓塞。
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。
C1 noun /ˈɛmbləm/

emblem

象征
Meaning
A symbolic object, design, or figure representing an idea, group, or identity.
Example
The dove is an emblem of peace.
鸽子是和平的象征。