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B2 adjective /ɪkˌsperɪˈmentl/

experimental

实验的
Meaning
based on untested ideas or techniques; relating to experiments or testing
Example
The scientists developed an experimental drug to treat cancer.
科学家们开发了一种实验性药物来治疗癌症。
B1 noun /ɪkˈspens/

Expense

费用; 支出;
Meaning
the cost required for something; money spent on something
Example
The travel expense for the business trip was covered by the company.
商务旅行的费用由公司承担。
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。
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。
B2 verb /ɪˈvæljueɪt/

evaluate

评估
Meaning
To assess or judge the value, quality, or significance of something.
Example
The teacher will evaluate the students’ projects tomorrow.
老师明天将评估学生的项目。
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 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。
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。
C1 adjective ɪɡˈzɛmpləri

exemplary

典范
Meaning
Serving as a desirable model; representing the best of its kind.
Example
She was praised for her exemplary work ethic and dedication.
她因其典范的工作态度和奉献精神而受到表扬。
C1 adjective /ɛnˌsaɪkləˈpiːdɪk/

encyclopedic

百科全书的
Meaning
Having comprehensive knowledge of many subjects; relating to or characteristic of an encyclopedia.
Example
Her encyclopedic knowledge of history amazed everyone at the conference.
她对历史的百科全书式知识令会议上的所有人都惊讶不已。
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。
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 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。
B2 verb ɪˈmɜːdʒɪz

emerges

浮现
Meaning
To come forth, appear, or arise from something
Example
A major health crisis emerges from pollution.
一个重大的健康危机从污染中浮现。
B2 verb ˈel.ɪ.veɪt

elevate

提升，抬高，升高到更高的位置或更重要的水平
Meaning
To lift to a higher position; to raise to a more important or impressive level.
Example
Good leadership can elevate team performance.
良好的领导能够提升团队表现。
C1 adjective /ɛsˈθɛtɪk/

esthetic

美学的
Meaning
Concerned with beauty or the appreciation of beauty.
Example
The building’s esthetic design attracted many visitors.
建筑的美学设计吸引了许多游客。
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。
C1 adjective /ɪˌlɪzəˈbiːθən/

elizabethan

伊丽莎白时代
Meaning
Relating to the reign of Queen Elizabeth I of England (1558–1603), especially the style of that period.
Example
Shakespeare wrote many of his plays during the Elizabethan era.
莎士比亚在伊丽莎白时代写了许多剧作。
C2 verb /ɪˈspaɪ/

espy

看到
Meaning
To catch sight of or notice something, especially from a distance.
Example
From the hilltop, she espied a small village in the valley.
从山顶上，她看见了谷中的一个小村庄。
C1 adjective /juːˈfɔːrɪk/

euphoric

欣快的
Meaning
Characterized by or feeling intense excitement and happiness.
Example
The fans were euphoric after their team's victory.
球迷们在他们队伍获胜后欣快不已。
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。
B1 adverb /ɪˈfɛktɪvli/

effectively

有效地
Meaning
in a way that produces the desired result; efficiently and successfully
Example
The team worked together effectively to finish the project on time.
团队有效地合作，按时完成了项目。
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 /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。
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。
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。
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 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。
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 /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 adjective /ˌɛfləˈrɛsənt/

efflorescent

盛开的
Meaning
in the process of blooming or flourishing
Example
The efflorescent trees made the park look beautiful.
盛开的树木让公园看起来很美丽。
A2 abbreviation /iː ˈdʒiː/

e.g.

例如
Meaning
For example (from Latin 'exempli gratia').
Example
You should eat more fruits, e.g., apples and bananas.
你应该多吃水果，例如苹果和香蕉。
C1 adjective ɪˈveɪ.sɪv

evasive

回避的, 狡猾的, 模糊的
Meaning
Tending to avoid commitment or self-revelation, especially by responding only indirectly.
Example
He gave an evasive answer to avoid trouble.
他给出了一个回避的答案，以避免麻烦。
C1 exclamation /juˈriːkə/

eureka

尤里卡!
Meaning
An exclamation used to express a sudden discovery or realization.
Example
When the solution finally came to him, he shouted, 'Eureka!'
当解决方案最终浮现在他脑海中时，他喊道：'尤里卡!'
C2 adjective /juːˈfoʊniəs/

euphonious

悦耳的声音
Meaning
Pleasing to the ear; having a sweet sound.
Example
The poet's euphonious language made the verse a delight to read.
诗人的优美语言使这首诗成为一种阅读的享受。
C1 noun /ɪˈklɪps/

Eclipse

日蚀 (太阳或月亮)
Meaning
an obscuring of light from one celestial body by another; a decline or loss
Example
The total solar eclipse darkened the sky for several minutes.
完全的太阳日食让天空暗了好几分钟。
C1 verb /ɪˈkɒnəmaɪz/

economize

节省
Meaning
To reduce spending or use resources carefully.
Example
Families are trying to economize by cutting unnecessary expenses.
家庭正在通过减少不必要的支出来节省开支。
B2 adjective /ɪkˈsɛntrɪk/

eccentric

古怪的
Meaning
unconventional and slightly strange in behavior or appearance
Example
The artist was known for his eccentric style.
艺术家以其古怪的风格而闻名。
B2 noun /ɪɡˈzæmɪnər/

examiner

考官
Meaning
A person who tests or inspects knowledge, skills, or qualifications
Example
The examiner reviewed each student's answer sheet carefully.
考官仔细检查了每个学生的答题纸。
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。
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。
B2 noun /ˈɜːnɪŋz/

earnings

收入
Meaning
money obtained in return for labor or services
Example
Her monthly earnings are enough to support her family.
她的月收入足以养活她的家人。
C1 noun /ˈɛksələnsɪ/

excellency

阁下
Meaning
a title of honor for people of high rank, especially ambassadors or governors
Example
His Excellency the Ambassador attended the ceremony.
阁下大使参加了仪式。
B2 noun /ˈɛksələns/

excellence

卓越
Meaning
the quality of being outstanding or extremely good
Example
The school is known for its academic excellence.
这所学校因其学术卓越而闻名。
B2 verb /ɪnˈvɪʒən/

envision

想象
Meaning
to imagine or picture something in the future; to visualize a possibility or goal
Example
She envisions a world where everyone has equal access to education.
她设想了一个每个人都能平等接受教育的世界。
A1 noun, verb /ˈiː.meɪl/

e-mail

电子邮件
Meaning
messages distributed by electronic means from one computer user to another
Example
I sent an e-mail to my professor yesterday.
我昨天给我的教授发了一封电子邮件。
C2 noun /ɪˌpɪstəˈmɒlədʒi/

epistemology

认识论
Meaning
The branch of philosophy that studies the nature, origin, and scope of knowledge.
Example
Epistemology explores the difference between justified belief and opinion.
认识论探索公正的信仰和意见之间的区别。
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。
A2 abbreviation /ɛtˈsɛtərə/

etc

等等
Meaning
Used to indicate additional, similar items in a list that are not mentioned.
Example
The shop sells fruits, vegetables, dairy, etc.
商店出售水果、蔬菜、乳制品等等。
B1 noun /ɪˈskeɪp/

Escape

逃脱; 逃离; 解救
Meaning
an act of breaking free from confinement or control; a way out
Example
The prisoner's escape from the jail shocked the authorities.
囚犯从监狱的逃脱震惊了当局。
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 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。
C1 noun /ɪkˈspæns/

expanse

广阔的区域
Meaning
a wide, open area of land, sea, or sky
Example
The desert is a vast expanse of sand and rock.
沙漠是一个广阔的沙子和岩石区域。
B1 verb /ɪkˈspænd/

expand

扩展
Meaning
To increase in size, number, or importance.
Example
The company plans to expand its operations into new markets.
公司计划将其业务扩展到新市场。
B2 adjective ɪkˈsep.ʃən.əl

exceptional

卓越的
Meaning
Unusually good; outstanding; forming an exception; not typical.
Example
Exceptional talent drives innovation.
卓越的才能推动创新。
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 adverb /ɪkˈskluːsɪvli/

exclusively

专门
Meaning
only; not shared with others
Example
This service is available exclusively to premium members.
此服务仅限于高级会员。
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。
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 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。
B1 noun /ˌiː.kəˈnɒm.ɪk ɡrəʊθ/

Economic Growth

经济增长
Meaning
The increase in the production of goods and services in an economy over time, measured by the expansion of economic output, income, and investment.
Example
The country's economic growth has been remarkable over the past decade.
该国的经济增长在过去十年中表现出色。
B2 noun /ɪˈsteɪt/

estate

Meaning
A large area of land, property, or possessions owned by someone, often including a big house.
Example
The family owned a large estate in the countryside.
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。
B2 noun ˈekwɪti

equity

股权
Meaning
The value of the shares issued by a company.
Example
Owning equity in a company can yield significant returns.
拥有公司股票可能带来可观的回报。
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。
B1 noun ˈiːˌkɒm.ɜːrs

e-commerce

电子商务
Meaning
The process of buying and selling goods or services through the internet.
Example
E-commerce has revolutionized the way people shop.
电子商务彻底改变了人们购物的方式。
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。
B2 adjective /ɪkˈstɜːr.nəl/

External

外部的
Meaning
coming from or relating to the outside; not belonging to or originating from within
Example
The company hired external consultants to review their business strategy.
公司聘请了外部顾问来审查他们的商业战略。
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。
A1 adjective /ˈiː.vən/

Even

平坦; 均匀; 平级
Meaning
flat and smooth; equal or uniform; level
Example
The surface was completely even and smooth.
表面完全平坦且光滑。
B1 noun /ˈen.trəns/

Entrance

入口
Meaning
an opening that allows access to a place; the action of entering
Example
The main entrance to the building was decorated with beautiful flowers.
大楼的主入口装饰着美丽的花朵。
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。
A2 noun /ɪkˈspɪə.ri.əns/

Experience

经验
Meaning
practical contact with and observation of facts or events; knowledge gained through involvement
Example
Her years of teaching experience made her an excellent mentor for new teachers.
她多年的教学经验使她成为新教师的优秀导师。
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 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。
B2 adverb /ɪkˈsplɪsɪtli/

explicitly

明确地
Meaning
in a clear and detailed manner, leaving no room for confusion or doubt
Example
The instructions were explicitly written to avoid any confusion.
指示明确地写出来，以避免任何混淆。
B1 adjective ɪˈfek.tɪv

effective

有效的
Meaning
Successful in producing a desired or intended result; having the power to influence or produce a result.
Example
Effective policies drive organizational success.
有效的政策推动组织成功。
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。
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。
A2 adjective /ˈeksələnt/

Excellent

卓越的；出色的；优秀的；
Meaning
extremely good; outstanding; superior
Example
She received excellent grades in all her subjects.
她在所有科目中都得到了优秀的成绩。
B1 verb /ɪnˈʃʊər/

ensure

确保
Meaning
To make certain that something will happen or be the case.
Example
Please ensure that the door is locked before you leave.
请确保在离开之前门已锁好。
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。
B2 noun /ˌɛkspɜːˈtiːz/

expertise

专业知识
Meaning
Expert knowledge or skill in a particular area.
Example
His expertise in graphic design is widely recognized.
他的图形设计专业知识被广泛认可。
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。
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。
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。
B2 noun /ˈes.əns/

Essence

本质
Meaning
the intrinsic nature or indispensable quality of something
Example
The essence of good teaching is the ability to inspire students.
优秀教学的本质是能够激励学生。
B1 noun /ɪˈkɒnəmɪst/

economist

经济学家
Meaning
A person who studies or is an expert in economics.
Example
The economist predicted a rise in inflation.
经济学家预测了通货膨胀的上升。
A2 noun ˈen.ə.dʒi

energy

能源
Meaning
Power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
Example
Clean energy sources help reduce pollution.
清洁能源有助于减少污染。
C1 verb /ɪˈkweɪt/

equate

等同
Meaning
To consider as equal or equivalent.
Example
Many people equate wealth with success.
许多人将财富与成功相提并论。
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。
C1 verb /ɪɡˈzɔːlt/

exalt

Meaning
to praise highly or raise in rank, honor, or power
Example
The community exalted the teacher for his dedication.
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。
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。
B1 noun /ˈɛpɪsoʊd/

episode

剧集
Meaning
An event or part of a story, or one installment in a series.
Example
The last episode of the drama was watched by millions.
这部戏剧的最后一集被数百万人观看。
A1 adjective/adverb /ˈɜːrli/

early

早
Meaning
before the usual or expected time
Example
She arrived early to the meeting.
她早早到达了会议。
A2 adjective /ˌjʊərəˈpiːən/

european

欧洲的
Meaning
Relating to Europe or its people.
Example
She studied European history at university.
她在大学学习了欧洲历史。
C1 noun /ɪˈnɪɡ.mə/

enigma

谜团
Meaning
A person or thing that is mysterious, puzzling, or difficult to understand.
Example
Life remains an enigma to many.
生活对许多人来说仍然是一个谜团。
A2 adverb /ˈiːzɪli/

Easily

轻松地; 容易地
Meaning
without difficulty; in a simple or effortless manner
Example
She easily solved the math problem in minutes.
她轻松地在几分钟内解决了数学问题。
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 ɪkˌstræp.əˈleɪ.ʃən

extrapolation

外推
Meaning
The action of estimating or concluding something by assuming that existing trends will continue.
Example
His extrapolation of market trends helped in financial planning.
他对市场趋势的外推帮助了财务规划。
C2 verb /ˈɛkspieɪt/

expiate

Meaning
to make amends for guilt or wrongdoing
Example
He tried to expiate his crime by helping the poor.
B1 noun /ɪnˈkʌrɪdʒmənt/

encouragement

鼓励
Meaning
the action of giving someone support, confidence, or hope
Example
Her encouragement helped me finish the project.
她的鼓励帮助我完成了项目。
C1 noun /ˌɛksɛnˈtrɪsəti/

eccentricity

怪癖
Meaning
the quality of being unconventional or slightly strange
Example
His eccentricity made him both admired and misunderstood.
他的怪癖使他既受到钦佩也被误解。
C1 noun /ˈɛf.ɪ.kə.si/

efficacy

效能
Meaning
The ability to produce a desired or intended result; effectiveness.
Example
The efficacy of the vaccine has been proven in trials.
疫苗的效能在试验中得到了证明。
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。
B1 verb /ɪɡˈzæm.ɪn/

examine

幸福
Meaning
to look at something carefully in order to understand it
Example
The doctor will examine the patient tomorrow.
当她收到奖项时，她无法掩饰自己的幸福。
B2 noun /ˌiː.kəˈnɒm.ɪk ˈsɪs.təm/

economic system

经济系统
Meaning
The organized framework for production, distribution, and consumption of goods and services in society.
Example
Capitalism, socialism, and mixed economies are types of economic systems.
资本主义、社会主义和混合经济是经济系统的类型。
B2 adjective ˌiːvəˈluːʃənəri

evolutionary

进化的
Meaning
Relating to or denoting the gradual development of something, especially from a simple to a more complex form.
Example
The evolutionary changes in species are fascinating.
物种中的进化变化是迷人的。
A2 noun/adjective /ˈekspɜːt/

expert

专家
Meaning
a person who has a lot of knowledge or skill in a particular area
Example
He is an expert in computer programming.
他是计算机编程方面的专家。
B1 adjective /ɪkˈstendɪd/

extended

扩展的
Meaning
longer or larger than usual; continuing for a longer time
Example
They took an extended vacation in Europe this summer.
他们这个夏天在欧洲度过了一个扩展的假期。
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 /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。
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 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。
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。
C1 adjective /ˈɜːrθi/

earthy

泥土味的 / 简单
Meaning
resembling or suggestive of earth or soil; simple, natural, and sometimes coarse
Example
The dish had a rich, earthy flavor from the mushrooms.
这道菜有着来自蘑菇的丰富泥土味。
C1 verb /ɪmˈbɛl.ɪʃ/

embellish

装饰
Meaning
To make something more attractive by adding decorative details or exaggerating.
Example
He tends to embellish stories to make them more interesting.
他倾向于装饰故事，使其更加有趣。
B2 verb /ɪɡˈzɜrt/

exert

施加
Meaning
to apply or bring to bear; to use physical or mental effort
Example
He exerted all his strength to lift the heavy box.
他全力以赴抬起沉重的箱子。
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。
C1 verb /ɪnˈɡreɪv/

engrave

雕刻
Meaning
to cut or carve a design, letter, or pattern into a hard surface
Example
The craftsman engraved her name on the silver ring.
工匠在银戒指上刻下了她的名字。