expediency
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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 /ˈɛkspieɪt/

expiate

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

empiricism

经验主义
Meaning
the theory that all knowledge is derived from sense-experience
Example
Empiricism argues that knowledge comes from experience and observation.
经验主义认为，知识来自经验和观察。
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 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 /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。
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。
C2 noun /ˌɛksəˈdʒiːsɪs/

exegesis

注释
Meaning
A critical explanation or interpretation of a text, especially a religious scripture.
Example
The professor gave a detailed exegesis of the biblical passage.
教授对圣经章节进行了详细的注释。
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 /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 noun /ɪˈmɛtɪk/

emetic

呕吐药
Meaning
a substance that causes vomiting
Example
The doctor administered an emetic to remove the poison.
医生给病人使用了呕吐药以清除毒素。
C2 noun ˈɛn.ɡræm

Engram

大脑中用于存储和提取记忆的物理标记
Meaning
Physical signs or patterns in the brain for memory storage and retrieval
Example
Scientists study engrams to understand how memories are stored.
科学家们研究恩格拉姆，以了解记忆是如何存储的。
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 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 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 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 /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 noun /ˌɛksaɪˈteɪʃən/

excitation

兴奋
Meaning
a state of great excitement or the process of stimulating activity
Example
The news created great excitation among the fans.
这条新闻在球迷中引起了极大的兴奋。
C2 noun /ˈɛpəlɛt/

epaulet

肩章
Meaning
An ornamental shoulder piece on a garment, especially on the coat or jacket of a military uniform.
Example
The general’s uniform had a golden epaulet on each shoulder.
将军的制服上每只肩膀上都有一个金色的肩章。
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 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 /eɪˈklɑː/

eclat

巨大成功
Meaning
Brilliant success, acclaim, or great public approval.
Example
The artist's debut performance was met with great éclat.
艺术家的首次演出获得了巨大的成功。
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 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 noun /ˈel.ɪ.fənt ˈæp.əl/

Elephant Apple

大象苹果
Meaning
a tropical fruit with a hard shell and acidic flesh
Example
Elephant apple is used to make delicious jams and pickles.
大象苹果被用来制作美味的果酱和腌菜。
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。
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 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 /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 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 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 /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 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。
C2 verb /ɪnˈθroʊn/

enthrone

加冕
Meaning
to install someone on a throne or to give someone high status
Example
The king was enthroned in a grand ceremony.
国王在盛大的仪式上加冕。
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 /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 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 verb /ɛksˈhjuːm/

exhume

掘出
Meaning
to dig out something buried, especially a body from the ground
Example
The archaeologists decided to exhume the ancient remains.
考古学家决定挖掘古老的遗骸。
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 /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。
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 verb /ɪnˈsaɪfər/

encipher

将消息转换为代码或密码
Meaning
to convert a message into code or cipher
Example
The agent enciphered the secret message before sending it.
特工在发送消息之前将其加密。
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 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 /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 /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 /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 adjective /ɪˈfʌldʒənt/

effulgent

灿烂
Meaning
Shining brilliantly; radiant.
Example
Her effulgent smile brightened everyone's mood.
她那灿烂的微笑照亮了每个人的心情。
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。
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 /ɪˈfjuːsɪv/

effusive

溢于言表的
Meaning
Expressing feelings of gratitude, pleasure, or approval in an unrestrained or heartfelt manner.
Example
She gave him an effusive welcome after his long journey.
在她漫长的旅程后，她给了他一个溢于言表的欢迎。
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。
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 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 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 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 adjective /ˌɛpɪkjʊˈriːən/

epicurean

享乐主义
Meaning
relating to the enjoyment of fine food, drink, and luxury
Example
The chef prepared an epicurean feast for the guests.
厨师为客人准备了一场享乐主义的盛宴。
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 /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 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 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 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 noun /ˈɛskwaɪər/

esquire

律师称号
Meaning
A title of respect often used after a man's name, especially for lawyers in the United States.
Example
John Smith, Esquire, will be representing the client in court.
约翰·史密斯，律师称号，将在法庭上代表客户。
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。
C2 adjective /ɪˈfɛktʃuəl/

effectual

有效的
Meaning
producing a desired or intended effect, often used in formal contexts
Example
Her effectual efforts brought peace to the community.
她的有效努力为社区带来了和平。
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 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 adjective /ɪkˈstɛnsəbl/

extensible

可扩展的
Meaning
able to be extended; capable of expansion.
Example
The software is designed to be extensible with new features.
该软件设计为可以通过新功能扩展。
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 /ˈɛdɪfaɪ/

edify

Meaning
To instruct or improve someone morally or intellectually.
Example
Good books can both entertain and edify the reader.
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 verb /ɪˈdjuːs/

educe

引出
Meaning
To draw out or bring forth something latent or hidden.
Example
The teacher tried to educe a response from the shy student.
老师试图从害羞的学生那里引导出回应。
C2 adverb /ɪkˈstem.pɔːr/

Extempore

即兴的；即席的；未经准备的
Meaning
without preparation; spontaneously; improvised
Example
The speaker delivered an impressive extempore speech at the conference.
演讲者在会议上发表了一场令人印象深刻的即兴演讲。
C2 noun /ˌiː.mɛnˈdeɪ.ʃən/

emendation

修正
Meaning
a correction or improvement made to a text
Example
The article required several emendations before it was ready for print.
这篇文章在准备打印之前需要几次修正。
C2 noun /ˌɛmjʊˈleɪ.ʃən/

emulation

仿真
Meaning
Reproducing something or following someone to achieve success.
Example
The software allows the emulation of old video games on modern devices.
该软件允许在现代设备上模拟旧视频游戏。
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 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 /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 adjective /ɪˈbʊliənt/

ebullient

兴高采烈
Meaning
cheerful and full of energy
Example
She was ebullient after receiving the good news.
收到好消息后，她兴高采烈。
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 noun /ˈɛksɪdʒənsi/

exigency

紧急需求
Meaning
an urgent need or demand requiring immediate attention
Example
In times of war, the exigency of the situation requires quick decisions.
在战争时期，局势的紧急需求需要迅速的决策。
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。
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 noun /ɪkˈsɪʒən/

excision

切除
Meaning
the act of cutting something out, especially by surgical removal
Example
The excision of the infected tissue prevented further complications.
切除感染的组织防止了进一步的并发症。
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 /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 /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。
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。
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 /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。
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 verb /ɪkˈspɛktəreɪt/

expectorate

吐痰
Meaning
to cough up and spit out mucus from the throat or lungs
Example
The patient began to expectorate thick mucus.
患者开始吐出厚重的粘液。
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 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 /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 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 noun /ɪˈluːʒən/

elusion

回避
Meaning
The act of escaping or avoiding something, especially by cleverness or trickery.
Example
His constant elusion of responsibility frustrated his colleagues.
他不断回避责任，让他的同事感到沮丧。
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, 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 /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 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。
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。
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 verb /ɛmˈbɔs/

emboss

以凸起图案装饰
Meaning
to decorate a surface with a raised design or pattern
Example
The invitation card was embossed with golden letters.
邀请卡上压印着金色字母。
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 /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 /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 /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。
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 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 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 verb /ɪnˈskɒns/

ensconce

安顿, 隐藏
Meaning
to settle comfortably or securely in a place; to hide or shelter firmly
Example
She ensconced herself in a cozy armchair by the fireplace.
她坐在壁炉旁的一张舒适椅子上。
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 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 verb /ɪɡˈzɪləreɪt/

exhilarate

激动
Meaning
To make someone feel very happy, animated, or excited.
Example
The mountain view exhilarated the travelers.
山脉的景色让旅行者兴奋。
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。
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 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。