avocation
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C2 noun /ˌæv.oʊˈkeɪ.ʃən/

avocation

副业
Meaning
a hobby or minor occupation pursued in addition to one's main work
Example
Painting is his avocation after office hours.
绘画是他下班后的副业。
C2 verb /ˈædjʊˌleɪt/

adulate

过度奉承
Meaning
to praise or flatter excessively
Example
The fans adulated the actor after his performance.
粉丝们在演员的表演后赞美了他。
C1 adjective /æmˈbɪvələnt/

ambivalent

矛盾的
Meaning
Having mixed or contradictory feelings about something or someone.
Example
She was ambivalent about accepting the new job offer.
她对接受新工作的提议感到矛盾。
A2 noun /əˈtɛnʃən/

attention

注意
Meaning
the act of focusing on something or someone
Example
The teacher asked for the students' attention.
老师要求学生们的注意。
C2 noun əˈkjuː.ə.ti

acuity

敏锐度
Meaning
Sharpness or keenness of thought, vision, or hearing.
Example
His intellectual acuity made him a brilliant scientist.
他的智力敏锐度使他成为一位杰出的科学家。
C2 noun /ˈæpədʒiː/

apogee

顶点
Meaning
the highest or most distant point; the climax or peak of something
Example
The empire reached its apogee during the 18th century.
帝国在18世纪达到了它的顶点。
B2 noun, verb /ˈɑːrkaɪv/

archive

Meaning
A collection of historical documents or records; to store or preserve information for future use.
Example
The library decided to archive all the old manuscripts.
B2 noun /əˈsɜːʃən/

assertion

断言
Meaning
a confident and forceful statement of fact or belief
Example
Her assertion that she was right was met with silence.
她的断言她是对的遭遇了沉默。
B2 noun /ˈæstərɔɪd/

asteroid

小行星
Meaning
A small rocky body orbiting the sun, mostly found in the asteroid belt between Mars and Jupiter.
Example
The asteroid belt lies between the orbits of Mars and Jupiter.
小行星带位于火星和木星的轨道之间。
C1 noun /ˌænəsˈθetɪk/

anesthetic

麻醉剂
Meaning
A substance that causes loss of sensation or consciousness, especially used during surgery.
Example
The doctor administered a local anesthetic before stitching the wound.
医生在缝合伤口之前使用了局部麻醉剂。
C1 verb /əˈlɒt/

allot

幸福
Meaning
to give or assign something, often a share or portion, to someone
Example
Each student was allotted ten minutes to present.
她在获得奖项时无法掩饰自己的幸福。
C1 noun /əˌfɪl.iˈeɪ.ʃən/

affiliation

隶属关系
Meaning
The state or process of affiliating or being affiliated; a connection or association.
Example
His affiliation with the company lasted for a decade.
他与公司的隶属关系持续了十年。
A2 noun (plural) /ædz/

ads

广告
Meaning
short for advertisements; promotional messages intended to sell products or services
Example
I often skip ads when watching videos online.
我在线看视频时经常跳过广告。
C2 verb /əˈɡriːv/

aggrieve

使愤怒
Meaning
to cause distress or make someone feel resentful
Example
She felt aggrieved by the unfair decision.
她因不公平的决定而感到不满。
C2 adjective /ˌæntɪˈθɛtɪkəl/

antithetical

对立的
Meaning
Directly opposed or contrasted; mutually incompatible.
Example
His views were antithetical to the values of the organization.
他的观点与组织的价值观完全对立。
B2 noun ədˈvɑːns.mənts

advancements

进步
Meaning
The process of promoting or moving forward; development or improvement.
Example
Scientific advancements enhance global innovation.
科学进步促进全球创新。
C1 noun /ˈæspɪrənt/

aspirant

有志者
Meaning
a person who seeks or hopes to achieve a position of honor or advancement
Example
She is an aspirant for the university's top scholarship.
她是大学最高奖学金的有志者。
C1 noun /əˈdʒeɪsənsi/

adjacency

邻近性
Meaning
The state of being next to or adjoining something else.
Example
The adjacency of the two buildings made it easy to connect them.
这两座建筑物的邻近性使得它们的连接变得容易。
C1 adjective, noun /ɔːɡˈzɪliəri/

auxiliary

辅助
Meaning
(adjective) providing supplementary or additional help and support; (noun) a person or thing that provides auxiliary support
Example
The hospital has an auxiliary power generator in case of emergencies.
医院有一个备用发电机，以防紧急情况。
B2 adverb /əˈbrʌptli/

Abruptly

突然且出乎意料; 毫无预警
Meaning
suddenly and unexpectedly; without warning
Example
The meeting ended abruptly when the power went out.
会议在电力中断时突然结束。
B2 verb /ˈɔːltər/

alter

改变
Meaning
to change or modify something slightly but significantly
Example
She decided to alter her dress to make it fit better.
她决定改变她的裙子，让它更合身。
C2 noun əˌmæl.ɡəˈmeɪ.ʃən

amalgamation

融合, 合并, 综合
Meaning
The action, process, or result of combining or uniting.
Example
The amalgamation of AI and big data is transforming industries.
人工智能和大数据的融合正在改变行业。
C1 noun /ˈæpəθi/

apathy

冷漠
Meaning
a lack of interest, enthusiasm, or concern
Example
The students showed apathy towards the new rules.
学生们对新规则表现出冷漠。
C1 verb /əˈtoʊn/

atone

赎回
Meaning
to make amends for a wrong or injury; to make reparation
Example
He tried to atone for his mistakes by helping others.
他试图通过帮助别人来赎回自己的错误。
C1 noun /ˌæŋɡloʊ ˈsæksən/

anglo-saxon

Meaning
A member of the Germanic peoples who settled in England in the early Middle Ages; also relating to their language or culture.
Example
The Anglo-Saxon period greatly influenced English culture and language.
B1 noun /ədˈvaɪzər/

adviser

顾问
Meaning
a person who gives advice, especially in a professional or official role
Example
He works as a financial adviser at a bank.
他在一家银行担任金融顾问。
C1 adjective /ˈædəmənt/

Adamant

固执的; 坚定的; 不屈不挠的
Meaning
একগুঁয়ে; জেদী; দৃঢ়সংকল্প; অনমনীয়;
Example
She was adamant about her decision to leave the company.
她在决定离开公司时非常坚持。
B1 noun /ˈætməsˌfɪər/

Atmosphere

大气层
Meaning
the envelope of gases surrounding the earth or another planet; the pervading tone or mood of a place
Example
The atmosphere protects us from harmful solar radiation.
大气层保护我们免受有害的太阳辐射。
B2 adverb /ˈædɪkwətli/

adequately

恰当地
Meaning
in a satisfactory manner
Example
He completed the task adequately, but could improve next time.
他适当地完成了任务，但下次可以改进。
C2 noun /ˈæstər/

Aster

紫菀花
Meaning
a flowering plant with daisy-like flowers that typically bloom in fall
Example
The purple asters bloomed beautifully in the autumn garden.
紫色的紫菀花在秋天的花园里美丽地盛开。
B1 adverb /əˈsaɪd/

Aside

一边; 旁边; 离开主要部分
Meaning
to one side; apart; away from the main part
Example
Please set your book aside and listen to me.
请把书放到一边，听我说。
B2 adjective /əˈɡriːəbl/

Agreeable

宜人; 令人愉快; 迷人; 愿意同意
Meaning
pleasant; enjoyable; delightful; willing to agree
Example
The weather is very agreeable today.
今天的天气非常宜人。
B2 adjective /æpt/

apt

适当的
Meaning
Appropriate or suitable; having a natural tendency or quick to learn.
Example
She is an apt student who quickly understands new concepts.
她是一个适当的学生，很快就能理解新的概念。
B1 verb /əˈtætʃ/

attach

附加
Meaning
to join or fasten something to another thing
Example
Please attach the document to the email before sending.
请在发送之前将文件附加到电子邮件中。
A2 adverb /ˈɔːlmoʊst/

almost

差不多
Meaning
very nearly, but not exactly or completely
Example
He almost missed the train.
他差点错过了火车。
C2 noun /ˈæpəˌlɔːɡ/

apologue

道德故事
Meaning
a short moral story or fable intended to teach a lesson
Example
The teacher used an old apologue to explain honesty to the children.
老师用一个旧的道德故事向孩子们解释诚实。
C1 noun əˈrɪd.ɪ.ti

aridity

干旱
Meaning
The state of being extremely dry, especially having insufficient rainfall to support vegetation.
Example
The aridity of the land is increasing due to climate change.
由于气候变化，土地的干旱正在加剧。
B2 adverb /əˈfek.ʃən.ət.li/

Affectionately

亲切地
Meaning
in a way that shows feelings of liking or love; with fondness and care
Example
She hugged her grandmother affectionately.
她温柔地拥抱了她的祖母。
B1 verb /əˈlɑːrm/

alarm

惊吓
Meaning
to warn of danger; to frighten or disturb
Example
The loud noise alarmed the residents.
巨响吓到了居民。
C1 adjective /əˈlʊr.ɪŋ/

Alluring

迷人且诱人; 迷人的
Meaning
attractive and tempting; fascinating
Example
The alluring fragrance of roses filled the garden.
玫瑰的迷人香气弥漫在花园里。
C2 noun /ˈæntiruːm/

anteroom

前厅
Meaning
A small room leading to a main one, often used as a waiting area.
Example
The guests waited in the anteroom before being called inside.
客人在被叫进去之前在前厅等待。
C2 noun /ˈɔːriˌoʊl/

aureole

光环
Meaning
A halo or radiance surrounding the head or body, often in religious art.
Example
The painting showed the saint with an aureole around his head.
这幅画展示了圣人头上方的光环。
C2 adjective /ɔːˈrɪkjʊlər/

auricular

与耳朵有关
Meaning
Relating to the ear or hearing.
Example
The doctor used an auricular thermometer to check the patient's temperature.
医生使用耳廓温度计来检查病人的体温。
C2 noun /ˈæntɪkwɛri/

antiquary

古董商
Meaning
A person who studies, collects, or deals in antiques or ancient objects.
Example
The antiquary spent years collecting rare manuscripts from the medieval period.
这位古物商花了多年时间收集来自中世纪的稀有手稿。
B1 noun /əˈpɒlədʒi/

apology

Meaning
a statement expressing regret for something wrong or hurtful
Example
He offered an apology for being late to the meeting.
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。
C1 verb /əˈpɛnd/

append

附加
Meaning
to add something as an attachment or supplement, usually at the end of a document or list
Example
She decided to append a note to the end of the report.
她决定在报告的末尾添加一条注释。
C2 noun /ˈæp.ɪˌkʌl.tʃər/

apiculture

养蜂
Meaning
The practice of keeping and raising bees for honey and other products.
Example
Apiculture plays a vital role in agriculture by supporting pollination.
养蜂在农业中起着至关重要的作用，支持授粉。
B2 verb /əˈkʌstəm/

accustom

习惯
Meaning
to make someone familiar with something through regular experience or use
Example
It took him a while to accustom himself to the new environment.
他花了一些时间来适应新的环境。
A2 verb /əˈpɒlədʒaɪz/

apologize

道歉
Meaning
to say sorry for something wrong you have done
Example
He apologized for being late to the meeting.
他因迟到而道歉。
C2 noun /ˈædʒ.ə.tənt/

Adjutant

阿金顿鹳
Meaning
a large water bird with long legs and neck, also known as adjutant stork
Example
The adjutant stork stood motionless in the shallow water.
那只阿金顿鹳站在浅水中不动。
C1 noun /ˈæmfɪˌθiətər/

amphitheater

圆形剧场
Meaning
A large open circular or oval building with rising tiers of seats, used for public events.
Example
The concert was held in an ancient amphitheater.
音乐会在一个古老的圆形剧场举行。
B1 noun /ˈeə.rə.pleɪn/

Aeroplane

飞机
Meaning
a powered flying vehicle with fixed wings and a weight greater than that of the air it displaces
Example
The aeroplane took off smoothly from the airport runway.
飞机从机场跑道平稳起飞。
C1 adjective əsˈtjuːt

astute

敏锐的或精明的
Meaning
Having or showing an ability to accurately assess situations or people and turn this to one's advantage.
Example
His astute observations helped solve the complex problem.
他的敏锐观察帮助解决了复杂的问题。
C1 adjective ˌæd.vɚˈser.i.əl

adversarial

对抗的
Meaning
Involving or characterized by conflict or opposition.
Example
The two companies have an adversarial relationship in the market.
这两家公司在市场上有对抗的关系。
C2 noun /əˈɡrɒnəmɪst/

agronomist

农业学家
Meaning
A scientist who studies soil management and crop production.
Example
The agronomist suggested new methods to improve rice yields.
农业学家建议了一些新的方法，以提高水稻产量。
C1 noun /əˈsɛndənsi/

ascendancy

优势, 统治
Meaning
A position of power, influence, or control over others.
Example
The company gained ascendancy in the market through innovation.
该公司通过创新在市场中获得了优势。
C2 adjective əˈsɪd.ju.əs

assiduous

勤奋或刻苦
Meaning
Showing great care and perseverance; diligent and hardworking.
Example
His assiduous efforts led to a successful career.
他的勤奋努力带来了成功的事业。
C2 adjective /əˈstrɪndʒənt/

astringent

严厉的
Meaning
sharp or severe in manner or style; also describes a substance that contracts skin or body tissues
Example
Her astringent tone silenced the noisy class.
她那严厉的语气让嘈杂的课堂安静下来。
B1 verb /əˈmeɪz/

amaze

使惊叹
Meaning
to fill someone with great surprise or wonder
Example
The magician’s final trick amazed the audience.
魔术师的最后一个把戏使观众惊叹。
A1 preposition /æt/

at

在
Meaning
used to indicate a specific time, place, or direction
Example
She arrived at the airport on time.
她准时到达机场。
B1 preposition/adverb /əˈkɔːrdɪŋ/

according

根据
Meaning
As stated by or in agreement with.
Example
According to the report, sales increased last quarter.
根据报告，销售在上个季度增长了。
B2 noun /ˌɑːr.kiˈɑː.lə.dʒi/

archeology

考古学
Meaning
the study of human history and prehistory through excavation and analysis of artifacts and structures
Example
She decided to study archeology to learn about ancient civilizations.
她决定学习考古学，以了解古代文明。
C1 noun /ˌæf.ɚˈmeɪ.ʃən/

affirmation

肯定
Meaning
The action or process of affirming something or being affirmed; emotional support or encouragement.
Example
Daily affirmation of self-worth boosts confidence.
每日的自我肯定提升了自信。
C2 noun /ˌænəlˈdʒiːziə/

analgesia

镇痛
Meaning
The inability to feel pain while still conscious.
Example
The doctor induced analgesia before performing the procedure.
医生在进行手术前诱导了镇痛。
B1 noun /ˈælkəhɒl/

alcohol

Meaning
A colorless volatile liquid that is the intoxicating constituent of wine, beer, spirits, and other drinks.
Example
Too much alcohol can damage your liver.
B1 adverb /əˈperəntli/

Apparently

显然;
Meaning
seemingly; as far as one knows or can see; clearly; evidently
Example
Apparently, the meeting has been postponed to next week.
显然，会议已被推迟到下周。
C1 noun /əˈpɒlədʒɪst/

apologist

辩护者
Meaning
a person who defends or justifies something, often a controversial belief or institution
Example
He is known as an apologist for authoritarian regimes.
他被认为是独裁政权的辩护者。
C2 adjective /əˈkɜːrsɪd/

accursed

诅咒的
Meaning
Doomed, detestable, or under a curse.
Example
The villagers avoided the accursed house on the hill.
村民们避开了山上的诅咒房子。
B1 noun /ˈeər fɔːrs/

Air force

空军
Meaning
the military organization of a country that uses aircraft for fighting
Example
The air force conducted a training exercise over the mountains.
空军在山脉上空进行了一次训练演习。
B2 adjective /ˈæp.lɪ.kə.bəl/

applicable

适用
Meaning
Relevant or appropriate in a particular situation.
Example
This rule is applicable to eye care too.
此规则也适用于眼部护理。
C1 noun /ˌæmplɪfɪˈkeɪʃən/

amplification

放大
Meaning
the act or process of making something stronger, louder, or more intense; an expansion or elaboration of details
Example
The microphone provides amplification of the speaker’s voice.
麦克风对说话者的声音起到放大作用。
B2 noun /əˈlaʊəns/

Allowance

津贴
Meaning
a sum of money paid regularly to a person; permission to do something
Example
Children receive a weekly allowance for helping with chores.
孩子们每周会因帮助做家务而获得津贴。
B2 verb /ˈænəlaɪz/

analyze

分析
Meaning
to examine something in detail to understand it better or draw conclusions
Example
Scientists analyze data to discover new patterns.
科学家分析数据以发现新模式。
B2 noun əˈlaɪ.əns

alliance

联盟
Meaning
A union or association formed for mutual benefit, especially between countries or organizations.
Example
Global alliances promote environmental sustainability.
全球联盟促进环境可持续性。
C1 noun /ədˈhiːʒən/

adhesion

附着
Meaning
the process or state of sticking to something
Example
Strong adhesion is needed for the tiles to stay in place.
瓷砖保持在原位需要强附着力。
A2 noun /ˈæk.sɪ.dənt/

accident

事故
Meaning
An unfortunate incident that happens unexpectedly and unintentionally.
Example
Safety measures aim to prevent accidents.
安全措施旨在防止事故发生。
B1 adverb /əˈlaʊd/

Aloud

大声
Meaning
in a voice that can be heard; not silently
Example
Please read the instructions aloud so everyone can hear.
请大声朗读指示，以便每个人都能听到。
A2 verb /əˈfɔːrd/

afford

负担得起
Meaning
to have enough money to buy; to be able to spare
Example
I can't afford a new car right now.
我现在买不起一辆新车。
B1 adverb /ˈæftərwərd/

afterward

之后
Meaning
at a later time; subsequently
Example
We went to dinner and watched a movie afterward.
我们去吃了晚餐，然后看了一部电影。
C2 noun /ˌæfɛkˈteɪʃən/

affectation

Meaning
an unnatural behavior or speech intended to impress others
Example
Her British accent was just an affectation to sound sophisticated.
C1 adjective /ɔːˈstɪə/

austere

严格，简朴
Meaning
Severe or strict in manner, attitude, or appearance; plain and simple.
Example
The monk lived an austere life in the mountains.
和尚在山中过着严格的生活。
C2 noun /ˌæntɪˈtɒksɪn/

antitoxin

抗毒素
Meaning
A substance that neutralizes a specific toxin in the body.
Example
The doctor administered an antitoxin to counter the snake venom.
医生注射了抗毒素来中和蛇毒。
C2 noun /əbˈdʌktər/

abductor

绑架者
Meaning
a person who kidnaps or forcibly takes someone away
Example
The police arrested the abductor after a nationwide search.
警方在长时间搜查后逮捕了绑架者。
B1 noun/adjective /ˌæfrɪkən əˈmɛrɪkən/

african-american

非洲裔美国人
Meaning
A person of African descent living in or originating from the United States; relating to such people.
Example
She is proud of her African-American heritage.
她为自己的非洲裔美国人身份感到自豪。
B2 noun /ˈɑːr.tɪ.zən/

Artison

工匠
Meaning
a skilled craftsperson who makes things by hand
Example
The artisan created a beautiful wooden sculpture.
工匠创造了一件美丽的木雕。
C1 adjective /ˈɑːtfəl/

Artful

巧妙的; 机智的; 狡猾的
Meaning
clever or skillful, especially in a cunning way
Example
She gave an artful answer that avoided the real question.
她给出了一个巧妙的回答，避开了真正的问题。
A1 preposition, adverb /əˈlɔːŋ/

along

沿着
Meaning
moving in a constant direction on (a road, path, or surface)
Example
We walked along the river.
我们沿着河走。
C2 noun /ˌæpəˈzɪʃən/

apposition

同位语 (并列语法)
Meaning
a grammatical construction in which two elements are placed side by side, with one explaining the other
Example
In the phrase 'my friend John,' the word 'John' is in apposition to 'my friend.'
在短语'我的朋友约翰'中，'约翰'这个词与'我的朋友'同位。
B1 noun /ˈækses/

Access

访问
Meaning
the ability, right, or permission to approach, enter, or pass to and from a place
Example
Students have access to the library 24 hours a day.
学生可以全天候访问图书馆。
C1 adjective /ˈæm.ɪ.kə.bəl/

amicable

友好的
Meaning
Having a spirit of friendliness; without serious disagreement or rancor.
Example
They reached an amicable agreement.
他们达成了友好的协议。
C2 adverb /əˈθwɔːrt/

athwart

横向地, 反对
Meaning
Across or in opposition to something.
Example
A fallen tree lay athwart the road, blocking traffic.
一棵倒下的树横在路上，阻碍了交通。
C1 noun /ˈɑːrmfʊl/

armful

一臂之力
Meaning
As much as can be carried in one or both arms.
Example
She carried an armful of books into the library.
她带着一臂之力的书走进了图书馆。
C1 adjective /əˈdɛpt/

adept

熟练
Meaning
Very skilled or proficient at something.
Example
She is adept at solving complex mathematical problems.
她擅长解决复杂的数学问题。
C1 verb /əˈdʒɔɪn/

adjoin

毗邻
Meaning
To be next to and joined with something.
Example
Their house adjoins the park.
他们的房子毗邻公园。
C2 noun /ˈændaɪərn/

andiron

金属木柴支架
Meaning
a metal support used in a fireplace to hold logs
Example
The logs rested on the andirons in the old fireplace.
木柴安放在旧壁炉的安迪龙上。
C2 noun /əˈkwaɪərmənt/

acquirement

获得；习得的能力
Meaning
the act of acquiring something; something that has been acquired, especially a skill or possession
Example
Language proficiency is an important acquirement for global careers.
语言能力是全球职业中的一项重要获得。
C1 adjective /əˈrɛstɪŋ/

arresting

引人注目的
Meaning
Attracting attention in a striking or impressive way.
Example
The actress gave an arresting performance.
这位女演员给出了引人注目的表演。
A2 noun /ˈæmbjʊləns/

ambulance

救护车
Meaning
A specially equipped vehicle used to transport sick or injured people to the hospital.
Example
The ambulance rushed to the accident site within minutes.
救护车在几分钟内赶到事故现场。
B2 verb /ˈɔː.tə.meɪt/

automate

自动化
Meaning
To make a process or system operate automatically by means of machines or computers.
Example
Many companies automate their processes to save time.
许多公司自动化其流程以节省时间。
B2 noun /ˌæk.wɪˈzɪʃ.ən/

Acquisition

收购, 获取, 获得
Meaning
An asset or object bought or obtained, typically by a library or museum.
Example
The company's acquisition strategy boosted growth.
公司的收购策略促进了增长。
C1 noun /əˌsaɪˈniː/

assignee

受让人
Meaning
a person to whom a right or property is legally transferred
Example
The assignee of the contract is responsible for all future obligations.
合同的受让人对所有未来的义务负责。
C1 noun /ˈæbsɛs/

abscess

脓肿
Meaning
A swollen area within body tissue containing pus, usually caused by infection.
Example
The dentist treated the abscess in his tooth.
牙医治疗了他牙齿上的脓肿。
C2 verb /ˌækwiˈɛs/

acquiesce

默许
Meaning
to accept something reluctantly but without protest
Example
She decided to acquiesce to her parents’ wishes.
她决定默许父母的愿望。
C1 adjective ˌæv.ɒ̃ˈɡɑːd

avant-garde

先锋
Meaning
New and experimental; characterized by departure from or rejection of accepted standards.
Example
Avant-garde designs redefine the dining experience.
先锋设计重新定义了餐饮体验。
C1 verb /əbˈdʌkt/

abduct

绑架
Meaning
to take someone away illegally by force or deception
Example
The criminal tried to abduct the child in broad daylight.
罪犯试图在光天化日之下绑架那个孩子。
C2 noun /əˈpɒfəsɪs/

apophasis

Meaning
A rhetorical device where the speaker brings up a subject by denying it or pretending to pass over it.
Example
The politician used apophasis by saying, 'I won’t even mention my opponent’s scandals.'
C2 noun əˌklaɪ.mə.tɪˈzeɪ.ʃən

acclimatization

适应
Meaning
The process of adapting to a new environment or condition.
Example
The hikers needed time for acclimatization to high altitudes.
徒步旅行者需要时间来适应高海拔。
B2 noun /ˌæljuˈmɪniəm/

aluminium

铝
Meaning
a lightweight, silvery-white metal used widely in manufacturing and packaging
Example
Aluminium is commonly used to make cans and aircraft parts.
铝常用于制造罐头和飞机部件。
C2 adjective /ˈeɪkwiəs/

aqueous

水合的
Meaning
related to or containing water; watery
Example
The solution was in an aqueous form.
溶液是水合的。
C2 noun /əˈspɜːr.ʒən/

aspersion

诽谤
Meaning
An attack on the reputation or integrity of someone.
Example
He cast an aspersion on her character.
他对她的性格进行了诽谤。
A1 noun /ɑːrt/

art

艺术
Meaning
the expression or application of human creative skill and imagination
Example
She studied art at the university.
她在大学学习艺术。
B2 noun /ˌɔːltəˈreɪʃən/

alteration

改变
Meaning
a change or modification made to something
Example
The tailor made an alteration to the suit.
裁缝对西装做了改变。
B1 noun əˈdɒp.ʃən

adoption

采用
Meaning
The process of accepting, embracing, or taking up something new, such as a practice, technology, or idea.
Example
The adoption of electric vehicles is increasing worldwide.
全球电动车的采用正在增加。
B2 verb /ˈæɡ.rə.veɪt/

aggravate

加重
Meaning
To make a situation worse or more serious.
Example
Scratching the rash will only aggravate the condition.
抓破皮疹只会加重病情。
C1 adjective /ˌeɪsɪˈmɛtrɪk/

asymmetric

不对称的
Meaning
Not having equal or corresponding parts; lacking symmetry.
Example
The design of the building is asymmetric and unusual.
这座建筑的设计是不对称的且不寻常。
C1 noun /ˈælɪɡəri/

allegory

寓言
Meaning
a story, poem, or picture that can be interpreted to reveal a hidden meaning, often moral or political
Example
The novel is an allegory of the struggle between good and evil.
这本小说是善与恶斗争的寓言。
C1 noun /ˈæpərtʃər/

aperture

孔洞 / 缝隙
Meaning
an opening, hole, or gap, especially one that lets in light
Example
Light entered through the small aperture in the wall.
光线通过墙上的小孔径进入。
C1 noun /ˈæl.kə.laɪ/

alkali

碱性物质
Meaning
a soluble base substance, typically with a pH greater than 7, that neutralizes acids
Example
Soap contains alkali which helps remove grease.
肥皂含有碱，能帮助去除油脂。
B1 noun, verb /eɪd/

aid

援助
Meaning
help or support, typically of a practical nature
Example
The volunteers provided aid to the flood victims.
志愿者为洪水受害者提供了帮助。
C1 noun æmˈbɪvələns

ambivalence

矛盾心态
Meaning
Having mixed feelings or contradictory ideas about something; uncertainty or confusion.
Example
She felt ambivalence about taking the job offer.
她在接受工作邀请时感到矛盾心态。