explicit
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
B2 adjective ɪkˈsplɪsɪt

explicit

明确
Meaning
Stated clearly and in detail, leaving no room for confusion or doubt.
Example
The instructions were explicit, leaving no room for confusion.
这些指令是明确的，没有留下任何混淆的空间。
B2 noun /ˌek.spɪˈdɪʃ.ən/

Expedition

远征
Meaning
a journey undertaken by a group of people with a particular purpose; organized trip for exploration
Example
The mountain climbing expedition required months of careful planning and preparation.
登山远征需要数月的精心规划和准备。
B2 noun /ˈek.oʊ/

Echo

回声; 回响
Meaning
a sound that is reflected back; a repetition or imitation
Example
His voice created a clear echo in the empty cathedral.
他的声音在空荡的教堂里产生了清晰的回声。
B2 adjective /ɪnˈtaɪtəld/

entitled

有权
Meaning
having the right to do or have something; feeling deserving of special treatment
Example
Employees are entitled to paid leave.
员工有权享受带薪休假。
B2 noun ˈiːkoʊˌtʊrɪzəm

Eco-tourism

生态旅游
Meaning
A form of tourism involving responsible travel to natural areas that conserves the environment and improves the well-being of local people.
Example
Eco-tourism promotes responsible travel to natural areas.
生态旅游促进了负责任的自然地区旅游。
B2 adverb /ˌiːkəˈnɒmɪkli/

economically

经济地
Meaning
in a way that relates to economics or is efficient and not wasteful.
Example
The company is trying to operate more economically this year.
公司今年努力以更经济的方式运营。
B2 noun /ɪnˈdɔːrs.mənt/

endorsement

支持
Meaning
A public or official statement of support or approval.
Example
The celebrity's endorsement increased the product's sales.
名人的支持增加了产品的销售。
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 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。
B2 adjective /ɪkˈstræv.ə.ɡənt/

Extravagant

奢华
Meaning
spending much more than is necessary; wasteful; lacking restraint in spending
Example
His extravagant lifestyle included expensive cars and luxury vacations.
他奢华的生活方式包括昂贵的汽车和奢华的度假。
B2 noun /ɪnˈfɔːrsmənt/

enforcement

执法
Meaning
the act of making sure that laws or rules are followed
Example
The police are responsible for law enforcement.
警察负责执法。
B2 verb /ɪkˈspoʊz/

expose

揭示
Meaning
to reveal or uncover; to make visible or known
Example
The investigation exposed the truth about the scandal.
调查揭示了丑闻的真相。
B2 verb /ɪnˈteɪl/

entail

Meaning
to involve something as a necessary or inevitable part or consequence
Example
The job will entail a lot of travel across the country.
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 verb /ɪɡˈzɔːst/

exhaust

耗尽
Meaning
to tire out completely; to use up resources
Example
The long journey exhausted the children.
长时间的旅行耗尽了孩子们的精力。
B2 noun /ˈɛdʒuˌkeɪtər/

educator

教育工作者
Meaning
a person who provides education; a teacher or instructor
Example
She is a dedicated educator who inspires her students every day.
她是一位献身的教育工作者，每天都在激励她的学生。
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。
B2 noun ɪˌvæljuˈeɪʃən

evaluation

评估
Meaning
The making of a judgment about the amount, number, or value of something; assessment.
Example
Accurate evaluation helps determine resource sustainability.
准确的评估有助于确定资源的可持续性。
B2 adjective /ɪˈtɜː.nəl/

Eternal

永恒的; 无尽的; 不朽的; 永远
Meaning
lasting or existing forever; without end or beginning; everlasting
Example
Their love seemed eternal and unbreakable.
他们的爱似乎永恒且不可打破。
B2 adverb /ɪkˈstɛnsɪvli/

extensively

广泛地
Meaning
in a thorough or wide-ranging manner
Example
She traveled extensively across Europe for her research.
她为她的研究广泛地旅行了欧洲。
B2 noun /ɪnˌsaɪkləˈpiːdiə/

encyclopedia

百科全书
Meaning
a book or set of books containing information on many subjects, usually arranged alphabetically
Example
She used an encyclopedia to complete her school project.
她使用了百科全书来完成她的学校项目。
B2 noun /ɪkˈskluːʒən/

exclusion

排斥
Meaning
The process or state of being left out or denied access.
Example
The policy led to the exclusion of certain groups.
该政策导致某些群体被排斥。
B2 verb/noun /ɪɡˈzɪbɪt/

exhibit

展出
Meaning
To display or show publicly; something put on display.
Example
The museum will exhibit ancient artifacts.
博物馆将展出古代文物。
B2 verb /ɪkˈspaɪər/

expire

到期
Meaning
to come to an end, especially a period of validity or life
Example
My passport will expire next month.
我的护照将在下个月到期。
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 verb ˈɛkəʊd

echoed

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

extract

提取
Meaning
to remove or take out something, often with effort
Example
The dentist had to extract the damaged tooth.
牙医不得不提取受损的牙齿。
B2 verb /ɪˈmɜːrdʒ/

emerge

Meaning
to come into view or become apparent; to arise or appear from something
Example
New opportunities will emerge as the industry grows.
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 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 adjective ˈeθ.ɪ.kəl

ethical

伦理的
Meaning
Relating to moral principles or the branch of knowledge dealing with these.
Example
Ethical considerations guide decisions.
伦理考虑引导决策。
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。
B2 verb /ɪˈvoʊk/

evoke

唤起
Meaning
to bring a feeling, memory, or image into the mind
Example
The old song evoked memories of her childhood.
那首老歌唤起了她童年的回忆。
B2 adjective /ɪˈkwɪv.ə.lənt/

Equivalent

等价的; 相等的
Meaning
equal in value, amount, function, or meaning; having the same effect or result
Example
This amount is equivalent to ten dollars.
这个金额等于十美元。
B2 adjective /ɪɡˈzɔː.stɪd/

exhausted

筋疲力尽
Meaning
Extremely tired; having no energy left.
Example
Feeling exhausted after waking up is common.
醒来后感到筋疲力尽是很常见的。
B2 verb /ɪnˈdɔːrs/

endorse

支持
Meaning
To give approval or support to someone or something; to publicly recommend.
Example
The celebrity endorsed the new skincare product.
这位名人支持了新的护肤产品。
B2 verb /ɪkˈskluːd/

exclude

排除
Meaning
To deliberately leave out or prevent someone or something from being included.
Example
The list excludes temporary workers.
该列表排除了临时工。
B2 verb, adjective /ɪˈlæbəreɪt/ (verb), /ɪˈlæbərət/ (adjective)

elaborate

详细说明 / 设计复杂的
Meaning
verb: to explain something in detail; adjective: detailed and complicated in design
Example
She asked him to elaborate on his proposal.
她要求他详细说明他的提议。
B2 noun ɪnˈhɑːns.mənt

enhancement

增强
Meaning
An increase or improvement in quality, value, or extent.
Example
Enhancement of education quality is vital.
教育质量的提升至关重要。
B2 noun /ˌɛkskləˈmeɪʃən/

exclamation

感叹
Meaning
A sudden cry or remark expressing strong emotion or surprise.
Example
She let out an exclamation of joy when she heard the news.
当她听到这个消息时，她发出了喜悦的感叹。
B2 noun /ˌek.spekˈteɪ.ʃən/

Expectation

期望; 希望;
Meaning
a strong belief that something will happen or be the case; anticipation
Example
The new teacher exceeded everyone's expectations with her innovative teaching methods.
新老师通过其创新的教学方法超越了所有人的期望。
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 verb /ɪnˈkwaɪər/

enquire

询问
Meaning
to ask for information about something
Example
He enquired about the train schedule.
他询问了列车时刻表。
B2 noun /ˈɛseɪ/

essay

论文
Meaning
A short piece of writing on a particular subject.
Example
She wrote an essay about climate change.
她写了一篇关于气候变化的论文。
B2 adverb /ɪkˈstɜrnəli/

externally

外部地
Meaning
in a way that relates to the outer surface or outside appearance
Example
The building appeared externally modern, but inside it was quite old-fashioned.
这栋建筑外部看起来很现代，但里面相当老式。
B2 verb /ɪmˈbɛd/

embed

嵌入
Meaning
to fix something firmly into a surrounding mass or context
Example
The journalist was embedded with the military unit.
记者与军事单位嵌入。
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。
B2 verb /ɪkˈskleɪm/

exclaim

呼喊
Meaning
to cry out suddenly in surprise, strong emotion, or excitement
Example
She exclaimed with joy when she saw the gift.
她看到礼物时高兴地叫了出来。
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。
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 noun /ˈɛθɪk/

ethic

伦理
Meaning
a set of moral principles, especially ones relating to a particular group, system, or profession
Example
He has a strong work ethic and always meets deadlines.
他有很强的工作伦理，总是能按时完成任务。
B2 noun /ɪkˈspəʊʒər/

exposure

暴露
Meaning
the state of being exposed to contact with something, especially harmful
Example
Prolonged exposure to the sun can damage your skin.
长时间暴露在阳光下会损害皮肤。
B2 noun ˌeksplɔɪˈteɪʃən

exploitation

剥削
Meaning
The action of making use of and benefiting from resources, often in an unfair or selfish way.
Example
Exploitation of marine resources has led to significant damage.
对海洋资源的开发导致了显著的损害。
B2 verb ɪmˈpaʊərɪŋ

empowering

授权
Meaning
Giving someone the authority or power to do something; making someone stronger and more confident.
Example
Empowering children can lead to societal progress.
授权儿童可以促进社会进步。
B2 adjective /ɪkˈsploʊsɪv/

explosive

爆炸性
Meaning
able to cause an explosion; likely to burst out suddenly
Example
The situation became explosive after the argument.
争论后局势变得爆炸性。
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 /ɪˈrɛkt/

erect

竖立
Meaning
to build or construct something; to set upright
Example
They erected a statue in the town square.
他们在市中心广场竖立了一个雕像。
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。
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。
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。
B2 noun /ɪˈfɛktɪvnəs/

effectiveness

效能
Meaning
the degree to which something is successful in producing a desired result.
Example
The effectiveness of the new policy is still being evaluated.
新政策的效能仍在评估中。
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。
B2 noun /ˈɜːθ.wɜːm/

Earth-worm

蚯蚓
Meaning
a segmented worm that lives in soil and helps decompose organic matter
Example
The gardener was happy to find many earthworms in the soil.
园丁很高兴在土壤中发现了许多蚯蚓。
B2 noun /ˈen.ə.dʒi sɪˈkjʊə.rɪ.ti/

energy security

能源安全
Meaning
The reliable availability of energy sources at an affordable price for a nation or region.
Example
Energy security ensures consistent supply.
能源安全确保稳定的供应。
B2 adjective ˌɒn.trə.prəˈnɜː.ri.əl

entrepreneurial

企业家精神
Meaning
Relating to or characterized by the activity of setting up a business or businesses, taking on financial risks in the hope of profit.
Example
His entrepreneurial spirit led him to establish a successful startup.
他的企业家精神使他创办了一个成功的创业公司。
B2 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。
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。
B2 verb /ɪkˈsiːd/

exceed

超越
Meaning
to go beyond a limit or expectation
Example
The athlete exceeded everyone's expectations by winning the gold medal.
运动员通过赢得金牌超越了每个人的期望。
B2 adjective /ɪnˈdjʊər.ɪŋ/

Enduring

持久的; 永恒的; 持续很长时间的
Meaning
lasting; permanent; continuing for a long time
Example
Their enduring friendship lasted for decades.
他们持久的友谊持续了几十年。
B2 noun ˈiː.kəʊˌsɪs.təm

ecosystem

生态系统
Meaning
A biological community of interacting organisms and their physical environment.
Example
A balanced ecosystem is crucial for environmental sustainability.
平衡的生态系统对环境可持续性至关重要。
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。
B2 verb /ɪkˈspɛl/

expel

开除
Meaning
to officially force someone to leave a place or organization
Example
The student was expelled from school for misconduct.
这名学生因不良行为被学校开除。
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。
B2 noun /ˌɛksɪˈkjuːʃən/

execution

执行，实施
Meaning
the act of carrying out a plan, order, or legal sentence
Example
The success of a project depends on its proper execution.
项目的成功取决于其正确的执行。
B2 verb ɪnˈfɔːrsɪŋ

enforcing

执行
Meaning
To compel observance of or compliance with a law, rule, or obligation.
Example
Enforcing strict laws is necessary to prevent violations.
执行严格的法律是防止违规的必要条件。
B2 verb /ɪkˈsɛl/

excel

表现突出
Meaning
to be exceptionally good at or proficient in an activity or subject
Example
She always tries to excel in her studies.
她总是尽力在学习中表现突出。
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 ˈɛskəleɪt

escalate

升级
Meaning
To increase rapidly; to become more intense or serious
Example
The aging population is escalating at an alarming rate.
老龄化人口正在以惊人的速度升级。
B2 noun /ɪnˈθuziæst/

enthusiast

爱好者
Meaning
a person who is very interested in a particular activity or subject
Example
He is a football enthusiast and watches every match.
他是一个足球爱好者，看每一场比赛。
B2 verb /ɪmˈbreɪs/

embrace

拥抱
Meaning
to hold someone closely in your arms; to accept willingly
Example
She embraced her friend at the airport.
她在机场拥抱了她的朋友。
B2 noun /ˈep.ɪk/

Epic

史诗
Meaning
a long poem telling of heroic deeds; something heroic or grand in scale
Example
The Iliad is one of the most famous epics in world literature.
《伊利亚特》是世界文学中最著名的史诗之一。
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.
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。
B2 verb ɪnˈhɑːnst

enhanced

增强的
Meaning
Intensify, increase, or further improve the quality, value, or extent of something.
Example
Enhanced strategies improve outcomes.
增强的策略改善了结果。
B2 adjective /ɪɡˈzɑːtɪk/

exotic

异国情调和迷人
Meaning
Unusual and attractive because it is from a foreign place or culture.
Example
The garden was filled with exotic plants from tropical countries.
花园里满是来自热带国家的异国情调植物。
B2 adjective /ɪˈmɜːrdʒɪŋ/

emerging

新兴
Meaning
becoming known, developing, or starting to exist
Example
Bangladesh is one of the fastest emerging economies in the world.
孟加拉国是世界上发展最快的新兴经济体之一。
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 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。
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。
B2 verb /ɪˈlɪmɪneɪt/

eliminate

消除
Meaning
To completely remove or get rid of something.
Example
Eliminate time-wasting habits.
消除浪费时间的习惯。
B2 verb /ɪnˈtaɪtəl/

entitle

授予权利
Meaning
to give someone the right to have or do something
Example
Employees are entitled to receive paid holidays.
员工有权享受带薪假期。
B2 verb /ˈɛmɪˌɡreɪt/

emigrate

移民
Meaning
To leave one's own country in order to settle permanently in another.
Example
Many people emigrated from Europe to America in the 19th century.
许多人在19世纪从欧洲移民到美国。
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。
B2 adjective ɪˈvɒlvɪŋ

evolving

演变的
Meaning
Developing gradually, especially from a simple to a more complex form; changing and developing.
Example
Education plays a role in evolving societal norms.
教育在社会规范的演变中发挥着作用。
B2 noun ɪˈmɪʃ.ən

emission

排放
Meaning
The release or discharge of gases, particles, or other substances into the environment.
Example
Car manufacturers are reducing carbon emissions.
汽车制造商正在减少碳排放。
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。
B2 noun ɪˈfɪʃ.ən.si

efficiency

效率
Meaning
The state or quality of being efficient; achieving maximum productivity with minimum wasted effort or expense.
Example
Efficiency in communication is crucial for businesses.
沟通中的效率对于商业至关重要。
B2 noun /ˈet.ɪ.kət/

Etiquette

礼仪
Meaning
the customary code of polite behavior in society or among members of a particular profession
Example
Proper etiquette requires standing when a lady enters the room.
适当的礼仪要求在女士进入房间时起立。
B2 verb /ɪˈmɪt/

emit

发射
Meaning
to send out something such as light, heat, sound, or gas
Example
The factory emits smoke into the atmosphere.
工厂将烟雾排放到大气中。
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。
B2 noun /ˈen.tə.praɪz/

Enterprise

企业，特别是一个大胆或复杂的项目
Meaning
a project or undertaking, especially a bold or complex one
Example
The space exploration enterprise required years of planning and preparation.
太空探索企业需要多年的规划和准备。
B2 verb, noun /ɪkˈsplɔɪt/

exploit

Meaning
to make full use of and derive benefit from (a resource); to use someone unfairly for one’s own advantage
Example
The company was accused of exploiting child labor.
B2 noun /ɪˈliːt/ or /eɪˈliːt/

elite

精英
Meaning
A select group that is superior in terms of ability or qualities.
Example
Only the elite were invited to the exclusive event.
只有精英才被邀请参加独家活动。
B2 adjective /ɪnˈvaɪrənmənt ˈfrɛndli/

environment-friendly

环保
Meaning
Designed or produced in a way that causes minimal harm to the environment, often using sustainable materials and processes that reduce ecological impact.
Example
Environment-friendly products are designed to reduce ecological damage.
环保产品旨在减少生态损害。
B2 verb /ɪˈkwɪp/

equip

装备
Meaning
to provide someone or something with the necessary items or skills for a task
Example
The school equipped its students with modern technology.
学校为学生配备了现代科技。
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。
B2 verb /ɪˈreɪs/

erase

擦除
Meaning
to remove completely; to delete or wipe out
Example
Use an eraser to erase the pencil marks.
使用橡皮擦来擦掉铅笔痕迹。
B2 verb ˈeksɪkjuːt

execute

执行
Meaning
To carry out or put into effect a plan, order, or course of action.
Example
NASA plans to execute the mission in three phases.
NASA计划在三个阶段执行任务。
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。
B2 noun ɪnˈɡeɪdʒɪŋ ˈlɜːrnɪŋ ɪkˈspɪəriənsɪz

engaging learning experiences

引人入胜的学习体验
Meaning
Interactive and immersive educational activities that capture students' attention and actively involve them in the learning process.
Example
Digital tools create engaging learning experiences.
数字工具创造引人入胜的学习体验。
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 noun ɪˌlɪm.ɪˈneɪ.ʃən

elimination

消除
Meaning
The complete removal or destruction of something.
Example
The elimination of emissions is a priority.
排放的消除是优先事项。
B2 noun /ˈaɪ.lɪd/

Eyelid

眼皮
Meaning
either of the upper or lower folds of skin that cover the eye when closed
Example
Her eyelids felt heavy with sleep.
她的眼皮因睡意而感到沉重。
B2 adjective /ɪkˈskluːsɪv/

exclusive

仅限于特定的人、团体或区域；不与他人共享
Meaning
restricted to a particular person, group, or area; not shared with others
Example
The hotel offers exclusive access to a private beach.
酒店提供专属通往私人海滩的通道。
B2 adjective ɪkˈstɪŋkt

extinct

灭绝
Meaning
No longer in existence; having died out completely.
Example
Some species are becoming extinct due to overfishing.
一些物种由于过度捕捞而濒临灭绝。
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。
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。
B2 adjective /ˌiːkəˈnɒmɪkl/

economical

经济的
Meaning
Careful in the use of resources; providing good value or efficiency.
Example
Driving a hybrid car is economical in the long run.
驾驶混合动力车在长期来看是经济的。
B2 verb /ɪˈvɑːlv/

evolve

Meaning
to develop gradually, especially into a more complex or advanced state
Example
Over time, the company evolved into a global brand.
B2 noun /ɪnˈdjʊə.rəns/

endurance

耐力
Meaning
The fact or power of enduring an unpleasant or difficult process or situation without giving way.
Example
Running a marathon requires exceptional endurance.
跑马拉松需要非凡的耐力。
B2 noun /iːz/

Ease

轻松；舒适
Meaning
absence of difficulty or effort; comfort and relaxation
Example
After years of practice, she played the piano with great ease.
经过多年的练习，她弹钢琴时非常轻松。