stratify
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
C1 verb /ˈstrætɪfaɪ/

stratify

分层
Meaning
to arrange or divide into layers, classes, or categories
Example
The researchers plan to stratify the data based on age groups.
研究人员计划根据年龄组对数据进行分层。
B2 verb /soʊk/

soak

浸泡
Meaning
to make something completely wet by immersing it in liquid
Example
She soaked the clothes in water before washing them.
她在洗衣前把衣服浸泡在水中。
C2 adjective /ˈsiːkwənt/

sequent

随后的
Meaning
Following in order or as a result.
Example
The sequent events changed the course of history.
随后的事件改变了历史的进程。
B1 noun, verb /bʌz/

buzz

嗡嗡声
Meaning
to make a low continuous humming sound; a feeling of excitement or interest
Example
I could hear the phone buzz during the meeting.
开会时我听到了手机的嗡嗡声。
B2 adjective /kəʊˈɒpərətɪv/

cooperative

合作的
Meaning
willing to work or act together with others for a common purpose
Example
She was very cooperative during the interview process.
她在面试过程中非常合作。
C1 noun /sərˈveɪər/

surveyor

测量员
Meaning
A person who measures and maps land, buildings, or other features.
Example
The surveyor measured the land for construction.
测量员为建设测量了土地。
B1 verb /əˈweɪk/

awake

醒来
Meaning
to stop sleeping; to become conscious or alert
Example
I awake every morning at six o'clock.
我每天早上六点醒来。
C1 verb /ˌriːˈvæmp/

revamp

翻新
Meaning
To give a new and improved form, structure, or appearance to something.
Example
The company decided to revamp its website for a modern look.
公司决定重新设计其网站，以获得现代化外观。
A2 adjective ˌɪn.təˈnæʃ.ən.əl

international

国际的
Meaning
Existing, occurring, or carried on between two or more nations and their citizens.
Example
International standards improve competitiveness.
国际标准提高竞争力。
A2 noun /ˈmaʊn.tɪn/

Mountain

山
Meaning
a large natural elevation of earth and rock rising above the ground
Example
They climbed the highest mountain in the region.
他们攀登了该地区最高的山。
C2 adjective /ˌmɒnəkrəˈmætɪk/

monochromatic

Meaning
Consisting of or displaying only one color.
Example
The artist created a striking monochromatic painting in shades of blue.
B2 adverb /ɪnˈɛvɪtəbli/

inevitably

不可避免地
Meaning
in a way that cannot be avoided or prevented
Example
Inevitably, the team faced challenges during the project.
不可避免地，团队在项目过程中遇到了挑战。
A2 adverb /ˈbjuːtɪfəli/

beautifully

优美地
Meaning
in a beautiful or pleasing manner; excellently or skillfully
Example
She sang beautifully at the concert.
她在音乐会上唱得很优美。
B2 adjective + noun æmˈbɪʃəs ɪnˈdevər

ambitious endeavor

雄心壮志的努力
Meaning
A bold and determined attempt to achieve something challenging.
Example
Artemis is an ambitious endeavor in space exploration.
阿尔忒弥斯是一次雄心勃勃的太空探索努力。
B2 noun /ˈtɜːrkwɔɪz/

turquoise

绿松石
Meaning
a greenish-blue color or gemstone
Example
She wore a necklace with a beautiful turquoise stone.
她戴着一条美丽的绿松石项链。
A2 adjective /noʊn/

known

已知的
Meaning
recognized or familiar; something that is identified or acknowledged
Example
He is a well-known actor in the country.
他是国内著名的演员。
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。
C1 adjective /kɜːrt/

curt

简短
Meaning
Rudely brief in speech or manner.
Example
His curt reply made everyone uncomfortable.
他的简短回答让每个人都感到不舒服。
C2 noun /ˈɡæŋ.weɪ/

gangway

Meaning
A narrow passage or walkway; also an exclamation used to clear the way.
Example
The sailors lowered the gangway for passengers to board.
C2 noun /ˈaɪsinəs/

iciness

冰冷
Meaning
The state of being cold in manner or temperature.
Example
There was a distinct iciness in his voice.
他的声音中有一种明显的冰冷感。
C2 verb /ˈɒsɪfaɪ/

ossify

骨化
Meaning
to turn into bone or become rigid and inflexible
Example
With age, some tissues tend to ossify.
随着年龄的增长，一些组织会变得僵硬。
C1 verb /ˈməʊbɪlaɪz/

mobilize

动员
Meaning
to organize or prepare people or resources for action
Example
The leader worked hard to mobilize the community for the protest.
领导者努力动员社区参与抗议。
B2 noun /ˈdʒʌŋk.ʃən/

Junction

交叉口
Meaning
a place where two or more roads or railway lines meet; a point where things join or connect
Example
Turn left at the junction to reach the shopping center.
在交叉口左转，前往购物中心。
B2 verb /wɪp/

whip

鞭打
Meaning
to strike or beat with a flexible instrument such as a rope or cord
Example
The trainer whipped the horse to make it run faster.
教练用鞭子抽打马匹，使其跑得更快。
C2 adjective /ˈtræktəbəl/

tractable

容易控制或影响
Meaning
easy to control or influence
Example
The child was surprisingly tractable during the long journey.
那个孩子在漫长的旅程中出奇的容易控制。
C1 verb /koʊˈhæbɪt/

cohabit

同居
Meaning
To live together, often as partners without being married.
Example
They decided to cohabit before getting married.
他们决定在结婚前同居。
B2 noun /ˈænθəm/

anthem

国歌
Meaning
A song that is identified with a particular group, movement, or nation, often expressing pride or unity.
Example
The national anthem was played before the football match.
国歌在足球比赛前奏响。
B1 noun /ˈɡɪvər/

giver

给予者
Meaning
a person who gives something
Example
She was always a generous giver to charity.
她总是慈善事业的慷慨给者。
B2 adjective /ˈstuː.di.əs/

Studious

学霸; 专心学习
Meaning
characterized by diligent study; devoted to learning
Example
She is a studious student who spends hours in the library.
她是一个学霸，常常在图书馆待上好几个小时。
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。
A1 noun/verb /fɪʃ/

fish

幸福
Meaning
an aquatic animal with gills, or to try to catch such animals
Example
He went to the lake to fish early in the morning.
她在得到奖项时无法掩饰她的快乐。
C2 noun /rʌmp/

Rump

臀部; 屁股; 背部下方
Meaning
the hindquarters or buttocks; the lower back area
Example
The horse injured its rump during the fall.
那匹马在跌倒时伤到了它的臀部。
B1 noun ˈɔːdioʊ ˈlɛsənz

audio lessons

音频课程
Meaning
Educational content delivered through sound recordings, typically used for language learning and skill development.
Example
Audio lessons are useful for listening skills.
音频课程对于听力技能非常有用。
C1 noun /heɪz/

Haze

雾霾
Meaning
a slight obscuration of the lower atmosphere, typically caused by fine suspended particles; confusion
Example
The morning haze lifted gradually as the sun rose higher in the sky.
早晨的雾霾逐渐消散，随着太阳在空中升得更高。
C1 adjective /ˈpɔːltri/

paltry

微不足道, 微小
Meaning
small or meager; lacking in value or importance
Example
They offered him a paltry sum for his work.
他们为他的工作提供了微不足道的报酬。
C2 noun /daɪˈvʌldʒəns/

divulgence

透露
Meaning
the act of revealing or disclosing something secret or private
Example
The divulgence of company secrets caused a major scandal.
公司机密的透露引发了一场大丑闻。
C2 verb /breɪz/

braze

焊接
Meaning
To join two pieces of metal by heating and melting a filler metal into the joint.
Example
The mechanic brazed the broken pipe to fix the leak.
机械师通过加热焊接破损的管道来修复泄漏。
C1 adjective /ˌwɛl tə ˈduː/

well-to-do

富裕
Meaning
Prosperous, wealthy, or financially comfortable.
Example
They belong to a well-to-do family in the city.
他们来自城市中的富裕家庭。
B2 noun /dɪˈnaɪ.əl/

Denial

否认
Meaning
the action of declaring something to be untrue; refusal to acknowledge something
Example
His denial of involvement in the scandal was met with skepticism.
他否认参与丑闻的行为，遭遇了怀疑。
C1 noun /ˈɪnsɪdəns/

incidence

事件发生率
Meaning
the occurrence, rate, or frequency of something
Example
The incidence of road accidents has decreased this year.
今年道路事故的发生率有所下降。
B2 verb /ɪnˈdʌldʒ/

indulge

纵容
Meaning
to allow oneself to enjoy something enjoyable, often excessively
Example
He indulged in a piece of chocolate cake after dinner.
他在晚餐后沉浸在一块巧克力蛋糕中。
C1 adjective /ɪˈmeʒərəbəl/

Immeasurable

不可测量的
Meaning
too large or extensive to measure; boundless
Example
The immeasurable love of a mother knows no bounds.
母亲那无可估量的爱没有边界。
C2 noun /ˈlɪŋ.ɡwə/

lingua

语言
Meaning
A language, especially one used for communication among people.
Example
English has become a global lingua for business and science.
英语已经成为商业和科学的全球语言。
B2 verb /ɪnˈdeɪndʒər/

endanger

危及
Meaning
To put someone or something at risk or in danger.
Example
Cutting down forests can endanger many species of animals.
砍伐森林可能会使许多物种面临危险。
B2 verb /fraʊn/

frown

皱眉
Meaning
to wrinkle one's brow in displeasure or concentration
Example
She frowned when she heard the bad news.
她听到坏消息时皱起了眉头。
C2 noun ˌmʌltɪˈfæsɪtɪd ˌɪnfərˈmeɪʃən ˈfreɪmwɜːrks

multifaceted information frameworks

多面信息框架
Meaning
Complex, comprehensive structures for organizing and managing information that have multiple aspects or dimensions.
Example
Digital literacy involves building multifaceted information frameworks.
数字素养包括构建多面信息框架。
C2 noun /ˈtæmbər/ or /ˈtɪmbər/

timbre

音色
Meaning
The character or quality of a musical sound or voice as distinct from its pitch and intensity.
Example
Her voice had a warm timbre that soothed the audience.
她的声音有一种温暖的音色，安抚了观众。
A2 adjective /ˈbrɪtɪʃ/

british

英国的
Meaning
relating to Great Britain or its people
Example
She loves British culture and traditions.
她喜欢英国文化和传统。
B2 adjective /ˈdæmɪdʒɪŋ/

damaging

Meaning
causing harm or injury
Example
The storm caused damaging effects to the crops.
B1 noun /əˈtrækʃən/

Attraction

景点; 吸引力;
Meaning
the action or power of evoking interest or pleasure in something; a place that draws visitors
Example
The museum is the main attraction for tourists in this city.
这个博物馆是这个城市吸引游客的主要景点。
B2 adjective /ɪsˈlɑːmɪk/

islamic

伊斯兰的
Meaning
relating to Islam, its followers, or its teachings
Example
The city has many Islamic cultural centers.
这座城市有许多伊斯兰文化中心。
C2 adverb /ˈfɔːrbi/

forby

此外
Meaning
In addition; besides (archaic Scottish/English word).
Example
He is kind and generous, and wise forby.
他是仁慈和慷慨的，并且此外还是智慧的。
C1 noun /ˌstætʃuˈɛt/

statuette

小雕像
Meaning
A small statue, usually decorative or artistic.
Example
The artist won a gold statuette for his work.
艺术家因其作品获得了一座金色小雕像。
C1 noun ˌpriːˌɒkjʊˈpeɪʃən

preoccupation

忧虑
Meaning
The state of being absorbed in thought; mental distraction.
Example
His preoccupation with work led to neglecting his personal life.
他对工作的忧虑导致忽视了个人生活。
B2 noun /kɜːrd/

Curd

酸奶
Meaning
a white dairy product made by coagulating milk; yogurt
Example
She added fresh curd to the salad for a tangy flavor.
她在沙拉中加入了新鲜的酸奶，带来了酸味。
C1 adjective /rɪˈsɔːrs ɪˈfɪʃ.ənt/

resource-efficient

资源高效
Meaning
Using resources in a way that minimizes waste and maximizes productivity.
Example
Resource-efficient farming conserves water and energy.
资源高效的农业节约水和能源。
B2 noun /ˌæk.jʊˈzeɪ.ʃən/

accusation

指控
Meaning
A statement that someone has done something wrong or illegal.
Example
She made an accusation of theft against her colleague.
她对她的同事提出了盗窃指控。
C2 verb /ɪnˈræptʃər/

enrapture

使着迷
Meaning
To fill someone with great delight or joy.
Example
The beautiful music enraptured the audience.
美丽的音乐让观众陶醉。
B2 noun /dɪˈpreʃ.ən/

Depression

抑郁症
Meaning
a mental health condition characterized by persistent sadness; a severe economic downturn
Example
The therapist helped her cope with depression through cognitive behavioral therapy.
治疗师通过认知行为疗法帮助她应对抑郁症。
A2 noun /ˈtɜːrki/

turkey

火鸡 (一种大鸟)
Meaning
a large bird native to North America, often eaten at special occasions like Thanksgiving; also the meat of this bird.
Example
We roasted a turkey for Thanksgiving dinner.
我们为感恩节晚餐烤了一只火鸡。
B1 noun /ˈkaʊn.səl/

council

委员会
Meaning
an assembly of people chosen or elected to make decisions or advise on matters
Example
The city council voted to improve public transportation.
市议会投票决定改善公共交通。
B2 adjective /ˌfʌndəˈmɛntl/

fundamental

Meaning
forming a necessary base or core; of central importance
Example
Honesty is a fundamental principle of good leadership.
C1 noun/verb /ˈtʌtʃ.ʌp/

touch-up

小修正或改进
Meaning
Small corrections or improvements made to something.
Example
The artist gave a quick touch-up to the painting.
艺术家对画作进行了快速的修饰。
C2 adjective /ˈpʌkɪʃ/

puckish

顽皮
Meaning
playfully mischievous
Example
The child gave a puckish grin before hiding the toy.
孩子在藏玩具之前露出了顽皮的笑容。
C1 noun /ɪnˈfɜːrnoʊ/

inferno

火灾
Meaning
a large, intense fire that is dangerously out of control
Example
The building turned into an inferno within minutes.
这座建筑在几分钟内变成了火灾。
C2 adjective /ɪmˈpɒndərəbl̩/

imponderable

无法估量
Meaning
Something difficult or impossible to estimate, assess, or understand
Example
The outcome of the election depends on many imponderable factors.
选举结果取决于许多无法估量的因素。
C1 noun/verb /pɔːr/

pore

毛孔 / 仔细研究
Meaning
As a noun: a tiny opening in the skin or surface. As a verb: to study something carefully.
Example
She pored over the documents for hours before making a decision.
她在做出决定之前，花了几个小时仔细查看文件。
C1 noun /ˈdɑː.mə.saɪl/

domicile

住所
Meaning
A person's legal residence or permanent home.
Example
He declared Canada as his legal domicile.
他宣布加拿大为他的法定住所。
A2 noun /ˈtʃælɪndʒɪz/

challenges

挑战
Meaning
Difficult tasks or situations that test someone's abilities or resources.
Example
Overcoming challenges is the key to personal growth.
克服挑战是个人成长的关键。
C1 verb /piːk/

pique

激发
Meaning
to stimulate interest or curiosity; to arouse resentment or anger
Example
Her remarks piqued his curiosity about the secret project.
她的评论激起了他对秘密项目的好奇心。
C1 noun sɪˈmɛntɪd ɡreɪv

cemented grave

水泥墓
Meaning
A grave that is constructed with cement for permanence.
Example
The cemented grave of the martyrs was seen near the river.
烈士的水泥墓被看见在河边。
C1 noun /ˈblɒk.ɪdʒ/

Blockage

阻塞
Meaning
an obstruction that makes movement or flow difficult or impossible
Example
The drain blockage caused water to overflow in the kitchen.
排水管的阻塞导致水在厨房溢出。
C1 verb /dɪsˈɑːrm/

disarm

解除武装
Meaning
to take weapons away from someone; to make someone feel less hostile
Example
The soldiers were ordered to disarm the rebels.
士兵们被命令解除叛乱分子的武装。
C1 adjective /ˈpræk.tɪ.kə.bəl/

practicable

可行
Meaning
able to be done or put into practice successfully
Example
The plan is not practicable without more resources.
没有更多的资源，这个计划是不可行的。
C2 noun /fəˈlɪsɪti/

felicity

幸福
Meaning
intense happiness; the ability to find appropriate expression for one's thoughts
Example
She was known for her felicity in conversation and cheerful nature.
她因在对话中的幸福和开朗的性格而闻名。
B2 noun /ˈfluː.ən.si/

fluency

流利
Meaning
The ability to speak or write a language smoothly and effortlessly.
Example
She speaks English with remarkable fluency.
她流利地说英语，令人惊讶。
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。
C1 adjective ˈɒb.stɪ.nət

obstinate

固执
Meaning
Refusing to change one's mind or accept others' advice easily.
Example
He remained obstinate despite the logical arguments.
尽管有逻辑上的辩论，他依然固执。
A2 verb /səˈpəʊz/

suppose

假设
Meaning
to assume or believe something is true without proof
Example
I suppose she will be here soon.
我猜你很快会到这里。
B2 verb /ˌʌndərˈɡoʊ/

undergo

经历
Meaning
to go through something, especially something unpleasant or difficult
Example
She had to undergo surgery to recover.
她不得不接受手术以恢复。
C1 noun prəˈfaʊnd ɪˈnɪʃətɪv

profound initiative

深远的倡议
Meaning
A deep, meaningful, and significant action or program designed to create change.
Example
A profound initiative can create sustainable changes.
一个深刻的倡议可以创造可持续的变化。
C1 verb /rɪŋ/

wring

幸福
Meaning
to squeeze and twist something to force liquid out; to extract with effort
Example
She had to wring the towel after washing it.
她收到奖项时，无法掩饰自己的幸福。
C1 noun ɪˈveɪ.ʒən

evasion

逃避
Meaning
The practice of avoiding or escaping from something, especially responsibility or duty.
Example
His evasion of responsibilities frustrated his colleagues.
他逃避责任的行为使同事们感到沮丧。
C1 noun /ˈskævɪndʒər/

scavenger

食尸者 / 垃圾收集者
Meaning
an animal or person that feeds on dead or discarded material
Example
Vultures are natural scavengers that clean up the environment.
秃鹫是自然的清道夫，清理环境。
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 adjective daɪˈvɜː.dʒənt

divergent

分歧的
Meaning
Tending to be different or develop in different directions
Example
Divergent policies create challenges in collaboration.
分歧的政策在合作中带来了挑战。
C2 noun ˈpɑː.stər.ə.lɪ.zəm

pastoralism

牧羊主义, 以草为基础的放牧系统
Meaning
A form of animal husbandry where domesticated animals are released onto large vegetated outdoor lands for grazing.
Example
Pastoralism is a traditional way of managing livestock.
牧羊主义是传统的牲畜管理方式。
B1 adjective ˈsʌb.mə.riːn

submarine

潜水艇
Meaning
Existing, occurring, or used underwater, especially in relation to vessels or cables.
Example
Submarine cables facilitate international communication.
海底电缆促进了国际通信。
B2 verb /draʊn/

drown

溺水
Meaning
to die or cause to die by being submerged in and inhaling water
Example
He nearly drowned while swimming in the river.
他在河里游泳时差点淹死。
A2 noun /ˈdaɪəri/

diary

日记
Meaning
a book in which one keeps a daily record of events and experiences
Example
She wrote about her day in her diary before going to bed.
她在睡觉前在日记中写下了她的一天。
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。
B2 verb /bɪˈtreɪ/

betray

背叛
Meaning
to be disloyal to; to reveal secrets
Example
He felt betrayed by his closest friend.
他感到被他最亲密的朋友背叛。
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。
A2 verb dɪˈvɛləp

develop

发展
Meaning
To grow or bring to a more advanced or effective state; to start to exist, experience, or possess gradually.
Example
Develop a brand based on your passion and skills.
根据你的激情和技能，发展一个品牌。
A1 verb /æd/

add

添加
Meaning
to join something to something else; to include
Example
Please add sugar to my coffee.
请在我的咖啡里加糖。
B2 noun /ˌkɑm.pənˈseɪ.ʃən/

Compensation

补偿; 赔偿
Meaning
something given or received as an equivalent for services, debt, loss, injury, or suffering; payment or reward
Example
The company provided financial compensation to the workers injured in the accident.
公司向在事故中受伤的工人提供了经济补偿。
B2 noun /ˈwaɪnəri/

winery

酿酒厂
Meaning
a place where wine is made
Example
They visited a famous winery in France.
他们参观了法国的一家著名酒厂。
B2 noun /wʌn θɜːd/

one-third

三分之一
Meaning
one part of something that is divided into three equal parts
Example
One-third of the class was absent today.
班级的三分之一今天缺席。
B2 adjective /ˈnoʊtəbl/

notable

显著
Meaning
worthy of attention or notice; remarkable
Example
She made a notable contribution to the project.
她对这个项目做出了显著的贡献。
B1 noun fəˈsɪl.ɪ.tiz

facilities

设施
Meaning
A place, amenity, or piece of equipment provided for a particular purpose.
Example
Facilities improve industrial productivity.
设施提高了工业生产力。
B1 noun /ˈbaɪbəl/

bible

圣经
Meaning
the Christian scriptures consisting of the Old and New Testaments; also used for any authoritative book
Example
She reads the Bible every morning.
她每天早晨读圣经。
C2 verb /ˌsɜːrkəmˈnævɪɡeɪt/

circumnavigate

环绕地球
Meaning
to travel all the way around something, especially the earth
Example
Magellan was the first to circumnavigate the globe.
麦哲伦是第一个环绕地球航行的人。
C2 noun /paɪər/

pyre

火葬堆
Meaning
A heap of combustible material, especially one used for burning a corpse as part of a funeral ceremony.
Example
The villagers built a pyre to honor the deceased.
村民们建造了一堆火葬堆，以尊重已故者。
A1 noun /bɜːrd/

bird

鸟
Meaning
a warm-blooded animal with feathers and wings that usually lays eggs and can often fly
Example
A bird was singing on the tree branch.
一只鸟在树枝上唱歌。
B2 verb /ˈtaɪtən/

Tighten

拧紧
Meaning
to make something more secure or less loose
Example
He tightened the screws to secure the shelf.
他拧紧了螺丝以固定架子。
B2 noun, adjective /ˌpəʊstˈɡrædʒuət/

postgraduate

研究生
Meaning
A student who has completed a first degree and is studying for a further degree.
Example
She is doing postgraduate research in physics.
她正在做物理学的研究生研究。
B1 noun /ˈsʌn.raɪz/

Sunrise

日出
Meaning
the time in the morning when the sun appears above the horizon
Example
We watched the beautiful sunrise from the mountain top.
我们从山顶观看了美丽的日出。
B2 adjective /ˈdespərət/

Desperate

绝望
Meaning
reckless; extremely urgent; critical
Example
The situation became desperate as water supplies ran out.
当水源耗尽时，情况变得绝望。
C2 noun /ɪˈluːmɪnənt/

illuminant

光源
Meaning
A substance or device that produces light.
Example
The lamp acted as an illuminant in the dark cave.
这盏灯在黑暗的洞穴中充当了光源。
C1 noun /ɪnˈtaɪərəti/

entirety

完整性
Meaning
the whole of something; the complete form
Example
He watched the movie in its entirety.
他完整地看完了这部电影。
C2 adjective /ˈfrɒθi/

frothy

泡沫丰富
Meaning
Full of or covered with small bubbles; light and insubstantial.
Example
She ordered a cup of frothy cappuccino.
她点了一杯泡沫丰富的卡布奇诺。
C1 adjective /ˈmɜː.sɪ.fəl/

Merciful

仁慈的; 富有同情心的
Meaning
showing compassion or forgiveness; kind and forgiving
Example
The merciful judge gave him a lighter sentence.
仁慈的法官给了他一个较轻的判决。
C1 adjective /dɪˈbɪl.ɪ.teɪ.tɪŋ/

debilitating

虚弱的
Meaning
Making someone or something weak and infirm.
Example
The disease had a debilitating effect on his health.
该疾病对他的健康产生了衰弱的影响。
B1 noun /ˈviːɪkəl/

Vehicle

车辆; 汽车; 媒介
Meaning
a thing used for transporting people or goods, especially on land; a means of expressing or displaying something
Example
The electric vehicle is becoming more popular these days.
电动汽车在这些日子里越来越受欢迎。
C1 adjective /ˈɜːr.nɪst/

Earnest

真诚的; 诚恳的; 表现出深刻和认真的信念
Meaning
sincere; genuine; showing deep and serious conviction
Example
He made an earnest attempt to solve the problem.
他做出了一个认真尝试去解决这个问题。
B1 noun/verb /ˈleɪ.bər/

labor

劳动
Meaning
work, especially hard physical work; to work hard
Example
The workers labored in the hot sun all day.
工人们整天在炎热的阳光下工作。
B1 verb /mɛlt/

melt

融化
Meaning
to change from solid to liquid due to heat; to disappear gradually
Example
The ice melted in the sun.
冰在太阳下融化了。
B2 adverb /mɔːrˈoʊvər/

moreover

此外
Meaning
Used to add information that supports or emphasizes what has already been said.
Example
The job is challenging; moreover, it requires excellent communication skills.
这份工作具有挑战性；此外，它需要出色的沟通技能。
B2 noun /dʒiˈɒl.ə.dʒi/

geology

地质学
Meaning
the science that deals with the Earth's physical structure and substances
Example
She studied geology to understand earthquakes.
她学习地质学以了解地震。
C2 noun /əˈzeɪ.li.ə/

azalea

杜鹃花
Meaning
a flowering shrub with brightly colored blooms, often grown ornamentally
Example
The garden was full of blooming azaleas in spring.
花园里春天盛开着杜鹃花。
B2 verb /tʌk/

tuck

塞进
Meaning
to push or fold something neatly into a particular place
Example
She tucked the blanket around the baby to keep him warm.
她把毯子围绕着婴儿，这样他就保持温暖。