epicycloid
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C2 noun /ˌɛpɪˈsaɪklɔɪd/

epicycloid

外摆线
Meaning
a curve traced by a point on the circumference of a circle that rolls around the outside of another circle
Example
The mathematician demonstrated how to draw an epicycloid.
数学家演示了如何绘制外摆线。
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。
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 /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。
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。
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。
C2 adjective /ˌɛvəˈnɛsənt/

evanescent

短暂的
Meaning
Quickly fading or disappearing; lasting for only a very short time.
Example
The beauty of the sunset was evanescent, fading within minutes.
夕阳的美丽是短暂的，在几分钟内消失了。
C2 verb /ɪnˈræptʃər/

enrapture

使着迷
Meaning
To fill someone with great delight or joy.
Example
The beautiful music enraptured the audience.
美丽的音乐让观众陶醉。
C2 adjective /ˈɛnərˌveɪtɪd/

enervated

精疲力尽
Meaning
Lacking energy, vitality, or strength; weakened or exhausted.
Example
After the long meeting, she felt completely enervated.
在长时间的会议后，她感到完全精疲力尽。
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 verb /ɪˈvɜːrt/

evert

翻转向外
Meaning
To turn inside out or outward.
Example
The surgeon had to evert the eyelid during the procedure.
外科医生在手术过程中必须翻转眼睑。
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。
C2 noun /ˈjuːfəni/

euphony

和谐的音调
Meaning
The quality of being pleasing to the ear, especially through harmonious combination of words.
Example
The orator's speech was full of euphony and rhythm.
演讲者的演讲充满了和谐的音韵和节奏。
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。
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。
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。
C2 adjective ˈɛr.jʊ.daɪt

erudite

博学的或聪明的
Meaning
Having or showing great knowledge or learning; scholarly and intellectual.
Example
The professor's erudite lecture fascinated the students.
教授的博学讲座让学生们着迷。
C2 noun /ɪɡˈzɔːrbɪtəns/

exorbitance

过度
Meaning
The quality of being excessive, unreasonable, or going beyond proper limits.
Example
The exorbitance of the hotel's prices shocked the tourists.
酒店价格的过度让游客们震惊。
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 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。
C2 noun /ɪˈlɪksər/

elixir

灵药
Meaning
A magical or medicinal potion believed to cure illnesses or grant immortality.
Example
The old legend spoke of an elixir that could grant eternal youth.
古老的传说中提到了一个可以赋予永恒青春的灵药。
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。
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。
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。
C2 verb /ɪnˈsnɛər/

ensnare

设圈套
Meaning
to catch or trap, often by trickery or deceit
Example
The hunter ensnared the rabbit with a net.
猎人用网困住了兔子。
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。
C2 noun /ˈɛnsaɪn/

ensign

旗帜
Meaning
A flag or standard, especially a military or naval one indicating nationality; also a junior officer in the navy or coast guard.
Example
The ship raised its national ensign before leaving the harbor.
这艘船在离开港口之前升起了它的国旗。
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。
C2 noun /ˈɛdi/

eddy

漩涡
Meaning
A circular movement of water, air, or smoke, counter to the main current, causing a small whirlpool or turbulence.
Example
The canoe was caught in an eddy near the rocks.
独木舟被困在岩石附近的漩涡中。
C2 noun /ˈɛpənɪm/

eponym

以某人命名的事物
Meaning
A person after whom a discovery, invention, place, or other thing is named.
Example
Sandwich is an eponym named after the Earl of Sandwich.
三明治是一个以三明治伯爵命名的伊波宁。
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 verb /ˈek.stər.peɪt/

extirpate

根除
Meaning
to completely remove or destroy something unwanted
Example
The government launched a program to extirpate corruption from public offices.
政府启动了一个旨在清除公共部门腐败的项目。
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。
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 /ˈjuːləˌdʒaɪz/

eulogize

颂扬
Meaning
To praise highly in speech or writing, especially in honor of someone who has died.
Example
They gathered to eulogize their beloved teacher.
他们聚集在一起，悼念他们亲爱的老师。
C2 noun /ɪˌlɛkˈtrɑː.lə.sɪs/

electrolysis

电解
Meaning
A chemical decomposition produced by passing an electric current through a liquid or solution.
Example
Electrolysis is used to separate hydrogen from water.
电解被用于从水中分离氢气。
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。
C2 noun /ɪˈbʊliəns/

ebullience

热情
Meaning
the quality of being cheerful, enthusiastic, and full of energy
Example
The teacher's ebullience inspired her students.
老师的热情激励了她的学生。
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。
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 /ɪˈkwɪvəkəl/

equivocal

模棱两可
Meaning
Open to more than one interpretation; ambiguous.
Example
His equivocal answer confused everyone.
他的模棱两可回答让大家困惑。
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。
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。
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 /ˌɛvɪˈdɛnʃəl/

evidential

证据的
Meaning
relating to or providing evidence
Example
The lawyer presented evidential support for her claims.
律师为她的诉求提供了证据支持。
C2 noun /ɪˈfʌldʒəns/

effulgence

光辉
Meaning
Brilliant radiance or shining brightness.
Example
The effulgence of the sunrise lit up the entire valley.
日出的光辉照亮了整个山谷。
C2 adjective /ˌɛf.ɪˈkeɪ.ʃəs/

efficacious

有效的
Meaning
Successful in producing a desired or intended result; effective.
Example
The vaccine proved highly efficacious in preventing infections.
疫苗在预防感染方面证明是非常有效的。
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。
C2 verb /ɪnˈθrɔːl/

enthral

吸引
Meaning
To captivate or hold someone’s full attention.
Example
The magician’s performance enthralled the audience.
魔术师的表演让观众着迷。
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。
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。
C2 verb /ˈɛmɪt/

emmet

蚂蚁
Meaning
an ant; a small insect
Example
The emmet carried food to its nest.
蚂蚁把食物带到了它的巢穴。
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。
C2 verb /ɪnˈtriːt/

entreat

恳求
Meaning
To ask earnestly or beg someone to do something.
Example
She entreated him to stay a little longer.
她恳求他再待一会儿。
C2 verb /ɪˈkwɪvəˌkeɪt/

equivocate

含糊其辞
Meaning
To speak ambiguously or avoid giving a clear answer.
Example
The politician equivocated when asked about the scandal.
那位政治家在被问及丑闻时含糊其辞。
C2 adjective /ɪkˈskɜːsɪv/

excursive

偏离主题的
Meaning
Tending to digress or wander; moving away from the main subject.
Example
His excursive lecture left the students confused about the main topic.
他的偏离主题的讲座让学生们对主要话题感到困惑。
C2 noun /ˌɛləˈkjuːʃn/

elocution

口才
Meaning
The skill of clear and expressive speech, especially in public speaking.
Example
She improved her elocution through constant practice.
她通过不断练习提高了她的口才。
C2 noun /ˈɛkwɪpɔɪz/

equipoise

平衡
Meaning
A state of balance or equilibrium.
Example
Her calmness created an equipoise in the heated debate.
她的冷静在激烈的辩论中创造了平衡。
C2 adjective /ɪˈfiːt/

effete

虚弱
Meaning
Lacking vitality, strength, or effectiveness; weak and overrefined.
Example
The empire became effete after centuries of indulgence.
帝国在几个世纪的纵容之后变得虚弱。
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。
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。
C2 verb /ˈɛksplɪkeɪt/

explicate

解释
Meaning
to make an idea or principle clear by explaining it in detail
Example
The professor tried to explicate the theory of relativity for his students.
教授试图为他的学生解释相对论的理论。
C2 noun /juː/

Ewe

母羊
Meaning
a female sheep
Example
The ewe gave birth to twin lambs.
母羊生下了双胞胎羔羊。
C2 noun /ˈɛksplətɪv/

expletive

脏话
Meaning
a word or phrase used as an exclamation, often offensive or profane
Example
He shouted an expletive when he dropped the hammer on his foot.
当他把锤子掉到脚上时，他喊出了一个脏话。
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 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。
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。
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。
C2 verb /ˈeksɔːrsaɪz/

exorcise

Meaning
To drive out an evil spirit or bad influence through rituals or prayers.
Example
The priest was called to exorcise the spirit from the house.
C2 adjective /ˌɛkspəˈdɪʃəs/

expeditious

迅速
Meaning
Done with speed and efficiency.
Example
The expeditious delivery of the package was appreciated.
包裹的迅速配送得到了赞赏。
C2 adjective /ˌen.zɪˈmæt.ɪk/

enzymatic

与酶有关的
Meaning
Relating to or involving enzymes, which are proteins that catalyze biochemical reactions in living organisms.
Example
Enzymatic reactions regulate metabolism in the human body.
酶反应调节人体的新陈代谢。
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。
C2 noun /ˌɛntəˈmɒlədʒi/

entomology

昆虫学
Meaning
The scientific study of insects.
Example
She studied entomology to understand the behavior of bees.
她学习昆虫学以了解蜜蜂的行为。
C2 noun /ˌɛfləˈrɛsəns/

efflorescence

开花
Meaning
the process of flowering or reaching an optimal stage of development
Example
The garden was at the peak of its efflorescence in spring.
花园在春天达到了它的开花巅峰。
C2 noun /ˈɛpɪɡræm/

epigram

警句
Meaning
A short, witty saying or poem that expresses an idea in a clever way.
Example
Oscar Wilde was famous for his sharp epigrams.
奥斯卡·王尔德因其犀利的警句而闻名。
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。
C2 noun /ˈɪəri/

eyrie

鹰巢
Meaning
the nest of a bird of prey, such as an eagle, typically built high on a cliff or tree
Example
The eagle’s eyrie was perched high on the mountain cliff.
鹰巢位于山崖的顶端。
C2 verb /ɪkˈskruːʃieɪt/

excruciate

折磨
Meaning
to cause intense pain or suffering
Example
The injury excruciated him with unbearable pain.
伤害让他经历了无法忍受的疼痛。
C2 noun /ɪˈfɛmɪnəsi/

effeminacy

女性化
Meaning
The quality of showing traits traditionally associated with women, such as delicacy or softness.
Example
In ancient times, effeminacy was often criticized as a sign of weakness.
在古代，女性化常常被批评为软弱的标志。
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 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。
C2 verb /ɪˈmæskjʊleɪt/

emasculate

削弱
Meaning
To make someone weaker or less effective; to deprive of strength or vigor.
Example
The constant criticism emasculated his confidence.
不断的批评削弱了他的信心。
C2 verb /ɪkˈstruːd/

extrude

挤出
Meaning
to force something out through a small opening; to shape by pushing material through a mold
Example
The factory extrudes plastic pipes using modern machines.
工厂使用现代机器挤出塑料管。
C2 noun ˌiːkwəˈnɪməti

equanimity

心理平静、沉着和均衡，尤其在困难情况下
Meaning
Mental calmness, composure, and evenness of temper, especially in a difficult situation.
Example
She handled the news with remarkable equanimity.
她以非凡的冷静处理了这个消息。
C2 adjective /ˈiːkwaɪn/

equine

与马有关的
Meaning
Relating to or resembling a horse.
Example
The veterinarian specialized in equine medicine.
兽医专门研究马医学。
C2 noun /ɪkˈstɛnsər/

extensor

伸肌
Meaning
a muscle that serves to extend or straighten a limb or part of the body.
Example
The extensor muscles in the arm help straighten the elbow.
手臂的伸肌帮助伸直肘部。
C2 noun /ˈɛpəʊd/

epode

一种抒情诗的形式
Meaning
A form of lyric poem written in couplets, often following a strophe and antistrophe in classical Greek poetry.
Example
The poet concluded his ode with a striking epode.
诗人以一个令人印象深刻的艾波德结束了他的颂歌。
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 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 /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 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。
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。
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。
C2 verb /ɪnˈkæmp/

encamp

扎营
Meaning
to set up or establish a camp
Example
The soldiers encamped near the river for the night.
士兵们在河边扎营过夜。
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。
C2 adjective /ˌjuːləˈdʒɪstɪk/

eulogistic

赞美的
Meaning
Expressing praise or admiration, often formally.
Example
The speaker gave a eulogistic account of the leader’s achievements.
演讲者对领导人的成就给予了赞美的评价。
C2 noun /ˈɛlɪdʒi/

elegy

挽歌
Meaning
A poem or song expressing sorrow, especially for someone who has died.
Example
The poet wrote an elegy for his late friend.
诗人为他已故的朋友写了一首挽歌。
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。
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。
C2 verb /ˈɛkspieɪt/

expiate

Meaning
to make amends for guilt or wrongdoing
Example
He tried to expiate his crime by helping the poor.
C2 noun /ɛˌspriː də ˈkɔːr/

esprit de corps

团队精神
Meaning
A feeling of pride, fellowship, and loyalty shared by members of a group.
Example
The team's esprit de corps was evident in their cooperative effort.
团队的精神在他们的合作努力中显而易见。
C2 noun /ɪˈfjuːʒən/

effusion

倾泻
Meaning
An unrestrained outpouring of words, feelings, or emotions.
Example
His letter was an effusion of love and longing.
他的信是一场爱情与渴望的倾泻。
C2 noun /ɪˈfrʌntəri/

effrontery

厚颜无耻或鲁莽的胆量
Meaning
shameless or rude boldness
Example
He had the effrontery to lie even when caught red-handed.
即使被当场抓住，他也厚颜无耻地撒谎。
C2 noun, adjective /ɪˈklɪptɪk/

ecliptic

黄道
Meaning
The apparent path of the sun across the sky; relating to eclipses or this path.
Example
The ecliptic is the plane of Earth's orbit around the Sun.
黄道是地球围绕太阳公转的平面。
C2 verb /ɛmˈbleɪzən/

emblazon

以显著的方式展示
Meaning
To decorate or display something in a noticeable or impressive way.
Example
The team's logo was emblazoned on their uniforms.
团队的标志被显著地展示在他们的制服上。
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。
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 verb /ɪnˈkʌmbər/

encumber

负担
Meaning
to burden or weigh down something, making it difficult to move or progress
Example
She was encumbered by the heavy luggage during her journey.
她在旅行中因沉重的行李而感到负担沉重。
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。
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。
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。
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。
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。
C2 noun /ˈɛpəlɛt/

epaulette

肩章
Meaning
A variant spelling of epaulet, also meaning a shoulder ornament, especially on military uniforms.
Example
The officer’s epaulette shone brightly under the sunlight.
军官的肩章在阳光下闪闪发光。
C2 verb /ɪˈfeɪs/

efface

抹去
Meaning
To erase or wipe out something; to make oneself inconspicuous.
Example
Time had effaced the letters on the old gravestone.
时间已经抹去了旧墓碑上的字母。
C2 verb /ɪˈmɛnd/

emend

修改
Meaning
to correct or revise a text, especially for errors
Example
The editor emended the manuscript before publication.
编辑在出版前修改了手稿。
C2 adjective /ɪˈmɛrɪtəs/

emeritus

荣休教授
Meaning
having retired but allowed to retain their title as an honor
Example
He is a professor emeritus at the university.
他是大学的荣休教授。
C2 adjective /ˌɛl.ɪˈmɑː.səˌnɛr.i/

eleemosynary

慈善的
Meaning
Relating to charity; dependent on or supported by charity.
Example
The hospital was founded as an eleemosynary institution.
医院作为一个慈善机构成立。
C2 verb /ɪnˈvaɪərən/

environ

环绕
Meaning
to surround or enclose; to encircle
Example
Mountains environ the small valley.
山脉环绕着小山谷。
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 /ɪˈlɪziəm/

elysium

极乐
Meaning
A place or state of perfect happiness; in Greek mythology, the afterlife paradise.
Example
For her, the garden was a personal elysium.
对她来说，花园是一个个人的极乐世界。