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C1 adjective /ɪkˈstreɪ.ni.əs/

extraneous

无关
Meaning
Not directly related or essential to the matter at hand; irrelevant.
Example
The editor removed extraneous details from the report.
编辑从报告中删除了无关的细节。
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 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。
C1 verb /ɪkˈstoʊl/

extol

赞扬
Meaning
to praise enthusiastically and highly
Example
The teacher extolled the student's dedication and hard work.
老师赞扬了学生的奉献和辛勤工作。
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。
B1 adverb /ˈɛlswɛr/

elsewhere

在别的地方
Meaning
In, at, or to some other place.
Example
If you can’t find it here, try looking elsewhere.
如果你在这里找不到，试着去别的地方找找。
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。
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 adjective ɪˈræt.ɪk

erratic

不规则
Meaning
Unpredictable and inconsistent; not even or regular in pattern or movement.
Example
His erratic behavior confused his colleagues.
他的不规则行为让他的同事们感到困惑。
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。
C1 noun /eb/

Ebb

退潮; 海水下降
Meaning
the receding tide; a gradual decline or reduction
Example
The fishermen waited for the ebb before returning to shore.
渔民们在回到岸边之前等待着退潮。
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 /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。
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。
B2 noun ɪnˈdev.ər

endeavor

努力
Meaning
An attempt to achieve a goal; a serious determined effort.
Example
The endeavor to innovate space tourism is ambitious.
创新太空旅游的努力是雄心勃勃的。
B2 adjective /ɪˈlɛktərəl/

electoral

选举的
Meaning
related to elections or voting
Example
The electoral process in the country has been reformed in recent years.
该国的选举程序在近年来进行了改革。
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。
C1 verb /ˈiːvzdrɒp/

eavesdrop

偷听
Meaning
to secretly listen to a conversation
Example
She stood near the door to eavesdrop on their conversation.
她站在门口偷听他们的谈话。
A2 verb /ɪkˈspres/

express

表达
Meaning
to show or make known a feeling, thought, or opinion
Example
She expressed her gratitude for the help she received.
她表达了对收到帮助的感激之情。
B1 adverb /ɛtˈsɛtərə/

etcetera

等等
Meaning
used at the end of a list to indicate that other similar items are included
Example
She bought apples, oranges, bananas, etcetera from the market.
她从市场买了苹果、橙子、香蕉等等。
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。
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。
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。
B2 noun /ˈɛmbəsi/

embassy

大使馆
Meaning
the official residence or offices of an ambassador
Example
He works at the French embassy in Dhaka.
他在达卡的法国大使馆工作。
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。
C1 adjective /ˌɛpɪˈsɒdɪk/

episodic

集集式的
Meaning
Happening occasionally or in separate parts; related to episodes.
Example
Her interest in art was episodic, coming and going over the years.
她对艺术的兴趣是间歇性的，随着岁月的流逝而来又去。
B2 noun ɪˈmɪʃ.ənz

emissions

排放
Meaning
The production and discharge of something, especially gas, heat, light, or radiation.
Example
Carbon emissions are rising globally.
碳排放在全球范围内上升。
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。
A2 verb /ɪkˈsaɪt/

excite

使兴奋
Meaning
to cause strong feelings of enthusiasm or eagerness
Example
The idea of traveling abroad excites her.
出国旅行的想法让她感到兴奋。
C1 adjective /ɪnˈɡreɪnd/

engrained

根深蒂固，难以改变
Meaning
Firmly fixed or established; difficult to change.
Example
Cultural practices are often deeply engrained in the fabric of society.
文化习俗常常深深植根于社会的结构中。
B2 adverb /ɪˈməʊʃənəli/

emotionally

情感上
Meaning
in a way that relates to a person's feelings or emotions
Example
She became emotionally attached to her pet.
她变得情感上依赖她的宠物。
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。
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。
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 /ˌɛksɪˈɡjuːɪti/

exiguity

匮乏
Meaning
the quality of being scanty or meager in amount
Example
The exiguity of resources made the project difficult to complete.
资源的匮乏使得项目完成变得困难。
C1 noun /ˈɑːnkɔːr/

encore

安可
Meaning
An additional performance demanded by an audience at the end of a show.
Example
The band returned to the stage for an encore.
乐队返回舞台进行安可表演。
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。
B1 adjective /ˌen.təˈteɪ.nɪŋ/

Entertaining

娱乐的; 有趣且引人入胜
Meaning
providing amusement or enjoyment; funny and engaging
Example
The comedian's performance was very entertaining and kept the audience laughing.
那位喜剧演员的表演非常娱乐，观众笑声不断。
B1 noun ɪˈməʊʃənz

emotions

情感
Meaning
Strong feelings deriving from one's circumstances, mood, or relationships with others.
Example
Emotions ran high during the protests.
在抗议期间，情感高涨。
C1 noun /ɪɡˌzɪl.əˈreɪ.ʃən/

exhilaration

兴奋或快乐
Meaning
A feeling of excitement, happiness, or elation.
Example
The feeling of exhilaration after a roller-coaster ride is amazing.
过山车后的兴奋感真是不可思议。
C1 verb ɪkˈstræp.ə.leɪt

Extrapolate

外推
Meaning
Making future estimates based on existing information
Example
Scientists extrapolate climate changes based on past data.
科学家根据过去的数据外推气候变化。
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。
B1 adjective /ɪnˈtaɪər/

Entire

完整的; 完全的; 不分割的
Meaning
complete; whole; not divided or in parts
Example
She read the entire book in one sitting.
她一口气读完了整本书。
C1 noun /ɪɡˈzɜːr.ʃən/

exertion

体力或脑力劳动
Meaning
Using energy or effort to achieve something.
Example
Excessive exertion can lead to fatigue and burnout.
过度的exertion可能导致疲劳和精疲力竭。
C1 noun /ˈiːɡoʊˌtɪzəm/

egotism

自负
Meaning
The practice of talking and thinking about oneself excessively because of an inflated sense of self-importance.
Example
His constant boasting revealed his egotism.
他的不断吹嘘揭示了他的自负。
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。
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。
C2 noun /ɛθˈnɒlədʒi/

ethnology

民族学
Meaning
the study of the characteristics of different peoples and the differences and relationships between them
Example
She specialized in ethnology to better understand cultural diversity.
她专攻民族学，以更好地理解文化多样性。
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。
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 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。
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。
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。
C1 noun /ɪkˈspoʊnənt/

exponent

指数
Meaning
a person who supports, promotes, or explains an idea; in math, a symbol denoting power
Example
She is a leading exponent of modern dance.
她是现代舞蹈的领先指数。
B2 noun /ˈɛmɪɡrənt/

emigrant

移民
Meaning
A person who leaves their own country to settle permanently in another.
Example
The emigrant started a new life in Canada.
移民在加拿大开始了新的生活。
B2 adjective /ˈɛv.ə.ɡriːn/

evergreen

常绿
Meaning
Remaining green and functional throughout the year; not shedding leaves seasonally.
Example
Evergreen trees like pine and fir stay green year-round.
常绿树木如松树和冷杉树全年保持绿色。
B2 verb /ɪnˈlaɪtən/

enlighten

幸福
Meaning
to give someone greater knowledge or understanding about a subject or situation
Example
The teacher tried to enlighten the students about ancient history.
她在收到奖项时无法掩饰自己的幸福。
C1 adjective /ɪˈvæljʊətɪv/

evaluative

评估的
Meaning
Relating to or involving evaluation or assessment.
Example
The evaluative phase of the project involves assessing its success.
项目的评估阶段包括评估其成功。
C1 verb /ɪkˈskriːt/

excrete

排泄
Meaning
to eliminate waste matter from the body
Example
Humans excrete carbon dioxide through breathing.
人类通过呼吸排出二氧化碳。
B1 adjective ˌiːkəˈnɒmɪk

economic

经济的
Meaning
Relating to economics or the economy.
Example
The issue had significant economic implications.
该问题具有重要的经济影响。
A2 noun /ˈɛndʒɪn/

engine

引擎
Meaning
A machine designed to convert energy into mechanical power.
Example
The car's engine failed on the highway.
汽车的引擎在高速公路上坏了。
B2 noun /ˈem.ər.əld/

Emerald

翡翠
Meaning
a bright green precious stone used in jewelry
Example
The emerald necklace sparkled in the sunlight.
翡翠项链在阳光下闪闪发光。
A2 noun ɪnˈvaɪ.rən.mənt

environment

环境
Meaning
The surroundings or conditions in which a person, animal, or plant lives or operates.
Example
Protecting the environment is crucial for future generations.
保护环境对未来几代人至关重要。
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。
C1 adjective /ɪmˈbrɔɪld/

embroiled

卷入
Meaning
being deeply involved in a difficult situation, conflict, or scandal
Example
She found herself embroiled in a heated family dispute.
她发现自己卷入了一场激烈的家庭争执。
A2 verb /ɪkˈspleɪn/

explain

解释
Meaning
to make something clear or easy to understand by describing it in more detail
Example
The teacher explained the difficult concept to the students.
老师向学生们解释了这个困难的概念。
B2 noun /ɪˈmɜːrdʒəns/

emergence

出现
Meaning
the process of coming into view, existence, or prominence
Example
The emergence of new technologies has transformed communication.
新技术的出现改变了沟通方式。
B1 noun /ˌek.sɪˈbɪʃ.ən/

Exhibition

展览
Meaning
a public display of works of art or other items of interest
Example
The art exhibition featured paintings from local artists throughout the region.
这场艺术展览展示了来自本地区的本地艺术家的画作。
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。
B1 verb /ˈɛdjʊˌkeɪt/

educate

教育
Meaning
to give knowledge, skills, or training to someone; to teach
Example
Parents should educate their children about healthy habits.
父母应该教育他们的孩子关于健康习惯。
B1 noun /ɪnˈdʒɔɪmənt/

enjoyment

享受
Meaning
the state or process of taking pleasure or satisfaction in something
Example
She felt great enjoyment while reading her favorite book.
她在阅读她最喜欢的书时感到极大的享受。
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。
C1 noun /ˈiː.zi tʃeər/

Easy-chair

安乐椅
Meaning
a comfortable chair with arms and a back that reclines
Example
He relaxed in his favorite easy-chair after work.
他下班后在他最喜欢的安乐椅上放松。
B2 adjective /ɪkˈskluːdɪd/

Excluded

被排除; 被孤立
Meaning
not included; left out; barred from participation
Example
He felt excluded from the group activities and conversations.
他感到被排除在小组活动和对话之外。
A2 noun /ɛmˈplɔɪ.iː/

employee

员工
Meaning
A person who works for an organization or company in return for payment.
Example
The company values each employee's contribution to its success.
公司重视每个员工对成功的贡献。
B1 noun ɪɡˌzæm.ɪˈneɪ.ʃənz

examinations

考试
Meaning
A detailed inspection or investigation; a formal test of a person's knowledge or proficiency.
Example
BPSC conducts rigorous examinations.
BPSC 进行严格的考试。
B2 adjective /ˈɛθnɪk/

ethnic

民族的
Meaning
relating to a population subgroup with a common national or cultural tradition
Example
The festival celebrated the city's diverse ethnic communities.
这个节日庆祝了城市中各种民族的社区。
C1 noun /ɪkˈstræv.ə.ɡəns/

Extravagance

过度开支; 浪费
Meaning
lack of restraint in spending money; excessive expense
Example
The wedding celebration was criticized for its unnecessary extravagance.
婚礼庆典因不必要的奢华而受到批评。
B2 adjective /ˌɛm.pəˈθɛ.tɪk/

empathetic

富有同理心
Meaning
Showing ability to understand and share feelings of others.
Example
She was empathetic towards her friend's struggles.
她对朋友的挣扎表现出富有同理心。
B1 adjective ɪɡˈzɪs.tɪŋ

existing

现有的
Meaning
In existence; present; current.
Example
The commission reviews existing provisions.
委员会审查现有的规定。
C1 adjective /ɪɡˈzɪləreɪtɪd/

exhilarated

兴奋的
Meaning
feeling very happy, animated, or elated
Example
She felt exhilarated after finishing the marathon.
她在完成马拉松后感到非常兴奋。
C1 noun /ɪkˈstrækʃən/

extraction

提取
Meaning
the act of removing something, especially by pulling it out
Example
The extraction of oil from the ground requires special equipment.
从地下提取石油需要特殊的设备。
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。
B2 adjective /ɪkˈsprɛsɪv/

expressive

表达性
Meaning
Effectively conveying thought or feeling.
Example
Her eyes were so expressive that no words were needed.
她的眼睛如此表达性，以至于不需要任何话语。
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。
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。
C1 adjective /ˈɜːr.θən/

Earthen

由土或粘土制成; 与陶瓷有关
Meaning
made of earth or clay; relating to pottery or ceramic materials
Example
The kitchen had beautiful earthen pots for storage.
厨房里有美丽的陶土罐用来存储。
C1 verb /ɪˈmænsɪpeɪt/

emancipate

解放
Meaning
to set someone free from legal, social, or political restrictions; to liberate from slavery or oppression
Example
The law was designed to emancipate slaves and grant them full citizenship.
这项法律旨在解放奴隶并授予他们完整的公民身份。
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。
C1 adjective /ˌɛvərˈlæstɪŋ/

everlasting

永恒的
Meaning
Lasting forever or for an indefinitely long time.
Example
The poet wrote about his everlasting love for nature.
诗人写下了他对大自然永恒的爱。
C1 noun ɪˈpɪf.ə.ni

epiphany

突然的启示或顿悟
Meaning
A moment of sudden revelation or insight.
Example
He had an epiphany about his true purpose in life.
他对自己生命的真正意义有了显现。
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 /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。
B1 adjective /ˈel.ɪ.ɡənt/

Elegant

优雅的
Meaning
graceful and stylish; refined; sophisticated
Example
She wore an elegant dress to the party.
她穿着一件优雅的连衣裙去参加聚会。
C1 verb /ɪnˈʃraɪn/

enshrine

将某物视为神圣或重要的保存或珍视
Meaning
to preserve or cherish something as sacred or important
Example
The constitution enshrines the right to freedom of speech.
宪法保障言论自由的权利。
A2 adjective /ˈɛkstrə/

extra

额外的
Meaning
More than what is usual, expected, or necessary
Example
She brought some extra food for the picnic.
她为野餐带来了额外的食物。
C1 noun /ˈiːɡətɪst/

egotist

自恋者
Meaning
A person who is excessively self-centered or talks too much about themselves.
Example
The egotist dominated the conversation by talking only about his own achievements.
这个自恋者在谈话中只谈论自己的成就。
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 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 /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。
B2 verb /ɪnˈroʊl/

enroll

注册
Meaning
to officially join or register in a school, course, or organization
Example
He decided to enroll in a computer programming course.
他决定报名参加计算机编程课程。
B1 noun /ɪkˈspres treɪn/

Express Train

快车
Meaning
a fast train that travels between major stations with few or no intermediate stops
Example
The express train reached the destination in half the usual time.
快车以半小时到达目的地。
B2 noun /ɪˈstæblɪʃmənt/

establishment

机构
Meaning
An organization, business, or system; the act of setting something up.
Example
The restaurant is a new establishment in town.
餐厅是城市中新建立的机构。
A2 adjective /ɪˌlɛkˈtrɒnɪk/

electronic

电子的
Meaning
Operating with or produced by the use of electronic devices.
Example
She bought an electronic keyboard for her music lessons.
她为她的音乐课买了一台电子键盘。
B2 verb /ɪˈveɪd/

evade

回避
Meaning
To escape or avoid something, especially by cleverness or trickery.
Example
He tried to evade the question by changing the subject.
他通过换话题来回避问题。
C1 noun /ˈiːzl̩/

easel

画架
Meaning
a frame for supporting an artist's canvas while painting or drawing
Example
The artist placed the canvas on the easel before starting to paint.
艺术家在开始绘画之前，将画布放在画架上。
C1 verb /ɪnˈsɜːrkəl/

encircle

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

emulate

模仿
Meaning
to imitate someone or something with the intent to equal or surpass
Example
Young athletes often emulate their idols.
年轻运动员常常模仿他们的偶像。
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。
C1 noun /juːˈfɔː.ri.ə/

euphoria

欣快, 兴奋, 狂喜
Meaning
A feeling or state of intense excitement and happiness; elation.
Example
Winning the championship brought a sense of euphoria.
赢得冠军带来了一种陶醉的感觉。
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。
C1 noun /ˈɛləkwəns/

eloquence

口才
Meaning
Fluent or persuasive speaking or writing.
Example
His eloquence in speech won him great respect.
他在演讲中的口才为他赢得了极大的尊重。
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。
A2 noun /ˈef.ət/

Effort

努力
Meaning
physical or mental activity needed to achieve something
Example
She put a lot of effort into preparing for the final examination.
她在准备期末考试时付出了很多努力。
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。
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。
B1 adjective /ˈiːvəl/

evil

邪恶
Meaning
Profoundly immoral and wicked.
Example
They believed the villain was the embodiment of evil.
他们相信反派是邪恶的化身。
B2 verb ɪˈrɛktɪŋ

erecting

建造
Meaning
To build; construct; set up in a vertical position.
Example
The workers were erecting a new building downtown.
工人们正在市中心建设一座新建筑。
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。
B2 adverb /ɪˈfɪʃəntli/

efficiently

高效地
Meaning
in a way that achieves maximum productivity with minimum wasted effort or expense
Example
She managed to complete the task efficiently within the deadline.
她在最后期限内高效地完成了任务。