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C2 adverb /əˈsʌndər/

asunder

分成碎片
Meaning
into separate parts; apart
Example
The ancient empire was torn asunder by war.
古老的帝国在战争中被撕裂成碎片。
B2 noun əˈʃɔː.rəns

assurance

保证
Meaning
A positive declaration intended to give confidence; a promise.
Example
Assurance of quality is a priority for the council.
质量保证是委员会的优先事项。
B2 adjective əˈkwætɪk

aquatic

水生
Meaning
Growing or living in or near water; of or relating to water.
Example
Aquatic species are being endangered by pollution.
水生物种正受到污染的威胁。
C2 verb /əˈvaʊ/

avow

公开宣誓
Meaning
to openly declare or admit something, often publicly and firmly
Example
He avowed his loyalty to the cause without hesitation.
他毫不犹豫地公开宣誓忠诚于事业。
C2 noun /əˈpɜːrtənəns/

appurtenance

附属物 / 配件
Meaning
an accessory or supplementary part of something
Example
The garage is an appurtenance of the main house.
车库是主屋的附属部分。
B1 noun /ˌæplɪˈkeɪʃən/

application

申请 / 应用 / 软件
Meaning
a formal request for something; the act of putting something into operation; or a software program
Example
She submitted her application for the scholarship.
她提交了奖学金申请。
C2 noun /ænˈtɪpəθi/

antipathy

反感
Meaning
a deep-seated feeling of dislike or aversion toward something or someone
Example
There was a mutual antipathy between the two rival companies.
两家竞争对手之间存在相互的反感。
C1 noun /ˈælkəmi/

alchemy

炼金术
Meaning
A medieval practice combining elements of chemistry and philosophy, aimed at transforming matter, especially turning base metals into gold.
Example
Medieval scientists devoted their lives to alchemy.
中世纪的科学家们将他们的生命献给了炼金术。
B1 adjective /əˈlɜːrt/

alert

警觉
Meaning
quick to notice and respond to potential danger or issues; aware and attentive
Example
The alert dog barked at the stranger approaching the house.
警觉的狗对接近房子的陌生人大声吠叫。
B2 verb /əˈteɪn/

attain

达到
Meaning
to achieve or reach something
Example
She worked hard to attain her goals.
她努力工作以达到她的目标。
C1 adjective eɪˈsɪŋ.krə.nəs

asynchronous

异步的
Meaning
Of or requiring a form of computer control timing protocol in which a specific operation begins upon receipt of an indication that the preceding operation has been completed.
Example
Asynchronous courses allow students to learn at their own pace.
异步课程允许学生以自己的节奏学习。
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。
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.
B2 adjective /əˈsɜːr.tɪv/

Assertive

果断的; 自信的
Meaning
confident and forceful; having a strong personality
Example
She is very assertive when speaking in meetings.
她在会议中发言时非常果断。
B2 adverb /ˌælfəˈbɛtɪkli/

alphabetically

按字母顺序
Meaning
in the order of the letters of the alphabet
Example
The names are listed alphabetically in the register.
这些名字在登记册中按字母顺序排列。
C1 adverb /ɔːˈtɒnəməsli/

autonomously

自动地
Meaning
In an independent or self-governing manner.
Example
The robot can operate autonomously without human intervention.
机器人可以在没有人工干预的情况下自动工作。
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。
C1 adjective /əˈvɜːrs/

averse

反感
Meaning
having a strong dislike of or opposition to something
Example
He was averse to taking unnecessary risks.
他不愿意承担不必要的风险。
C2 noun /əˈrɔɪ.oʊ/

arroyo

干河床
Meaning
A dry creek or stream bed that temporarily fills with water after heavy rain.
Example
After the storm, the arroyo quickly filled with rushing water.
风暴过后，干河床迅速被水填满。
B1 noun /ˈæmətər/

amateur

业余
Meaning
A person who engages in a pursuit, especially a sport or art, on an unpaid basis.
Example
The painting looked impressive, even though it was done by an amateur.
这幅画看起来很震撼，尽管它是由一个业余爱好者完成的。
C2 verb /əˈfaɪəns/

affiance

订婚
Meaning
to promise or pledge marriage; to formally engage
Example
They decided to affiance after years of friendship.
多年友谊之后，他们决定订婚。
A2 verb /ˈædɪd/

added

添加
Meaning
to join something to something else to increase its size, number, or amount
Example
She added sugar to her coffee.
她在咖啡里加了糖。
C1 noun /əˈrɪs.tə.kræt/

Aristocrat

贵族; 贵族阶层的人
Meaning
a member of the aristocracy; a person of noble rank or birth
Example
The aristocrat lived in a magnificent castle.
那个贵族住在一座宏伟的城堡里。
C2 adverb /əˈmʌk/

amuck

疯狂地
Meaning
in a frenzied, uncontrolled, or chaotic manner
Example
The bull ran amuck through the village.
公牛在村子里疯狂地奔跑。
C1 noun, adverb /ˈeɪliəs/

alias

别名
Meaning
A false or assumed identity; also used to mean 'otherwise called'.
Example
The criminal was known by the alias 'Shadow'.
罪犯以'影子'为别名。
B2 noun ˈæp.ə.taɪt

appetite

食欲
Meaning
A natural desire to satisfy a bodily need, especially for food.
Example
Junk food increases appetite unnaturally.
垃圾食品会不自然地增加食欲。
A2 noun /əˈdɪʃ.ən/

Addition

加法; 添加过程
Meaning
the process of adding numbers; something that is added
Example
The addition of a new room made the house more spacious.
新房间的加入使房子更加宽敞。
B1 verb /əˈdʒʌst/

adjust

调整
Meaning
to change something slightly to make it more suitable or effective
Example
She adjusted the mirror to see the road clearly.
她调整了镜子以清晰地看见路。
C2 verb /ˈæpɪtaɪz/

appetize

刺激食欲
Meaning
to stimulate the appetite; to make someone eager or interested
Example
The aroma of fresh bread will appetize the guests before dinner.
新鲜面包的香味会刺激客人的食欲。
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。
C1 noun /əˈbreɪʒən/

abrasion

由于摩擦而导致的皮肤或表面的擦伤或磨损
Meaning
a scrape or wearing away of the skin or surface due to friction
Example
He suffered a minor abrasion on his knee after falling.
他在摔倒后膝盖上受了一个轻微的擦伤。
C1 noun /əˈstuːt.nəs/

astuteness

机智
Meaning
The ability to accurately assess situations or people and turn this to one's advantage.
Example
His astuteness helped in negotiations.
他的机智在谈判中起到了帮助作用。
C1 adverb /əˈbrɛst/

abreast

并排
Meaning
side by side and facing the same direction; informed about something
Example
The soldiers marched two abreast down the street.
士兵们并排走在街上。
C1 adjective ˈɑː.dʒu.əs

arduous

艰苦的
Meaning
Involving or requiring strenuous effort; difficult and tiring.
Example
The trek through the mountains was an arduous journey.
穿越群山的徒步旅行是一段艰苦的旅程。
C2 adjective /ˈæsənənt/

assonant

押韵
Meaning
Having or characterized by assonance; repeating similar vowel sounds.
Example
The poem is filled with assonant words that create a musical rhythm.
这首诗充满了押韵的词语，创造了音乐般的节奏。
C2 adjective /ˌænθrəpəˈmɔːrfɪk/

anthropomorphic

拟人化的
Meaning
attributing human characteristics to non-human things, like animals or objects
Example
The cartoon shows an anthropomorphic cat walking on two legs.
动画片展示了一只拟人化的猫，走在两条腿上。
B2 adverb /əˈten.tɪv.li/

Attentively

专心
Meaning
with careful attention; in a focused manner
Example
She listened attentively to her teacher's instructions.
她专心听取了老师的指示。
C2 noun /əˈmæl.ɡəm/

amalgam

混合物
Meaning
a mixture or blend of different things
Example
The new policy is an amalgam of several previous laws.
新政策是多个先前法律的混合物。
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。
A2 verb /əˈvɔɪd/

avoid

避免
Meaning
To keep away from or stop oneself from doing something.
Example
He tries to avoid junk food.
他尽量避免吃垃圾食品。
C1 verb /ɔːɡˈmɛnt/

augment

增加
Meaning
To increase or strengthen something.
Example
The company plans to augment its workforce.
公司计划增加其劳动力。
C1 noun /əˈflɪkʃən/

affliction

痛苦
Meaning
a state of pain, suffering, or distress
Example
Poverty is a common affliction in many parts of the world.
贫困是世界许多地方的常见痛苦。
C1 adjective /ˈeɪmləs/

Aimless

漫无目的; 无目标
Meaning
without purpose or direction; lacking a goal
Example
He wandered around the city in an aimless manner.
他在城市中漫无目的地游荡。
A1 noun /ˈɛər.pɔːrt/

airport

机场
Meaning
A place where airplanes take off and land, with buildings for passengers and cargo.
Example
We arrived at the airport two hours before the flight.
我们在航班起飞前两小时到达了机场。
C2 noun /ˈæntɪk/

antic

滑稽
Meaning
a playful, funny, or silly act or gesture
Example
The children laughed at the clown’s antics.
孩子们笑着看小丑的滑稽动作。
B1 verb /əˈsoʊsiˌeɪt/

associate

关联
Meaning
to connect or link things together; to spend time with someone
Example
I associate this song with summer.
我将这首歌与夏天联系在一起。
B2 noun /əˈbɔːrʃən/

abortion

Meaning
The deliberate termination of a human pregnancy, usually performed during the first 28 weeks.
Example
The debate about abortion continues to divide public opinion.
C2 verb /əˈɡlɒməˌreɪt/

agglomerate

聚集
Meaning
To collect or form into a mass or group.
Example
The dust particles began to agglomerate into larger clusters.
尘粒开始聚集成更大的团块。
C1 verb /əbˈzɒlv/

absolve

赦免
Meaning
to free someone from blame, guilt, or responsibility; to pardon
Example
The priest absolved him of his sins.
牧师赦免了他所有的罪。
C2 noun /ænˈtɪpədiːz/

antipodes

Meaning
places on opposite sides of the Earth; also refers to things that are direct opposites
Example
Australia and Britain are often considered antipodes of each other.
C1 adjective /əˈtrəʊ.ʃəs/

Atrocious

可怕的; 极其糟糕或令人不悦的
Meaning
horrifyingly wicked; extremely bad or unpleasant
Example
The conditions in the prison were atrocious.
监狱的条件非常糟糕。
B1 noun /əˈsɪstəns/

Assistance

援助; 支持
Meaning
the action of helping someone with a job or task; support
Example
She offered her assistance with the project.
她在项目中提供了帮助。
C2 noun /ˌɔːskʌlˈteɪʃən/

auscultation

听诊
Meaning
The act of listening to internal sounds of the body, typically using a stethoscope.
Example
The doctor performed auscultation to check the patient’s lungs.
医生进行了听诊，以检查病人的肺部。
C2 adjective, adverb /əˈbʌvˌbɔːrd/

aboveboard

诚实和公开
Meaning
Open and honest; without deception or trickery.
Example
The business deal was completely aboveboard.
商业交易完全诚实和公开。
C1 adjective /ˌæl.truˈɪs.tɪk/

altruistic

利他主义
Meaning
Showing a disinterested and selfless concern for the well-being of others.
Example
Her altruistic nature led her to volunteer for charities.
她的利他主义本性促使她为慈善事业做志愿者工作。
B2 noun ˈæk.tɪv rɪˈkɔːl

Active recall

积极回忆
Meaning
A learning technique that involves actively trying to retrieve information from memory rather than passively reviewing material.
Example
Active recall improves long-term memory and retention.
积极回忆改善长期记忆和保持能力。
C2 adjective /əˈkjuː.zəˌtɔːr.i/

accusatory

指责的
Meaning
Suggesting blame or indicating someone has done wrong.
Example
He gave her an accusatory glance.
他投给她一个指责的眼神。
B2 verb /əˈplɔːd/

applaud

鼓掌
Meaning
to show approval by clapping or expressing admiration
Example
The audience applauded the performance.
观众为表演鼓掌。
C1 noun /ˌɔːkʃəˈnɪər/

auctioneer

拍卖师
Meaning
a person who conducts auctions by calling out bids and selling items to the highest bidder
Example
The auctioneer quickly raised the price as bidders competed for the painting.
拍卖师在竞价过程中迅速提高了价格。
B2 verb /əˈkɒmədeɪt/

accommodate

容纳
Meaning
To provide lodging, space, or meet the needs of someone.
Example
The hotel can accommodate up to 200 guests.
酒店可以容纳最多200位客人。
C1 verb /əˈfɪliˌeɪt/

affiliate

附属
Meaning
to officially attach or connect (a group or organization) to a larger body
Example
The school is affiliated with the local university.
学校与当地大学有合作关系。
B1 adjective, verb /əˈproʊpriət/ (adj), /əˈproʊprieɪt/ (verb)

appropriate

适当的 / 占用
Meaning
suitable or proper in the circumstances (adj); to take something for one’s own use, often without permission (verb)
Example
Wearing formal clothes was appropriate for the ceremony.
穿正式衣服是适合这个仪式的。
C1 noun /ˈæmpɛər/

ampere

安培
Meaning
A unit of electric current in the International System of Units (SI), symbolized as A.
Example
The current flowing through the wire is measured in amperes.
流经电线的电流以安培为单位进行测量。
C1 noun /əˈsem.bli ˈseʃ.ən/

assembly session

大会会议
Meaning
A formal meeting where representatives gather to discuss and make decisions on important matters.
Example
The assembly session discussed global challenges.
大会会议讨论了全球性挑战。
C1 noun /ˌeɪ.li.əˈneɪ.ʃən/

alienation

异化
Meaning
The state of being isolated or estranged from a group or activity.
Example
The new policies created a sense of alienation among employees.
新政策在员工中产生了异化感。
B2 noun /æmˈbæsədər/

Ambassador

大使
Meaning
an accredited diplomat sent by a country as its official representative to a foreign country
Example
The ambassador met with government officials to discuss trade agreements.
大使与政府官员会面，讨论贸易协议。
C1 adjective /ˌærɪˈstɒkrætɪk/

Aristocratic

贵族的; 上层社会的
Meaning
noble; having the manners of the upper class
Example
She had an aristocratic bearing that commanded respect.
她有着贵族的风度，赢得了尊重。
C1 verb /ədˈmɪnɪstreɪt/

administrate

管理
Meaning
to manage or supervise the execution of duties, laws, or resources; to formally give or apply something such as a test or medicine
Example
The committee will administrate the new policy across all departments.
委员会将在所有部门管理这项新政策。
B2 noun əˌkjuː.mjəˈleɪ.ʃən

accumulation

积累
Meaning
The gradual gathering or collecting of something over time.
Example
The accumulation of dust affects appliance efficiency.
灰尘的积累影响家用电器的效率。
C1 noun ˌæɡ.rəʊˈkem.ɪ.kəl

agrochemical

农用化学品
Meaning
A chemical product used in agriculture, especially a pesticide or fertilizer.
Example
Excessive use of agrochemicals can degrade soil quality.
过度使用农用化学品会降低土壤质量。
C2 verb /əbˈhɔːr/

abhor

厌恶
Meaning
to regard with disgust and hatred
Example
She abhors cruelty to animals.
她厌恶对动物的残忍。
C2 verb /əˈdʒʊər/

adjure

命令
Meaning
to urge or command someone solemnly, often under oath or a strong sense of duty
Example
The witness was adjured to tell the truth in court.
证人被要求在法庭上讲真话。
C1 adjective, verb /ˈeɪlɪŋ/

ailing

生病的
Meaning
suffering from illness or poor health; experiencing problems or decline
Example
The ailing patient slowly began to recover after treatment.
生病的病人在治疗后慢慢开始康复。
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。
C2 noun /ˌæk.wiˈes.əns/

acquiescence

默许
Meaning
The reluctant acceptance of something without protest.
Example
His silent acquiescence to unfair rules was surprising.
他对不公正规则的默许让人吃惊。
C2 noun /ˈɑːrkeɪˌɪzəm/

archaism

古词
Meaning
a word, expression, or style of language that is no longer in everyday use
Example
The poem is full of archaisms that give it an old-fashioned flavor.
这首诗充满了古词，使其带有一种过时的味道。
C1 noun /ˈædɪdʒ/

adage

格言
Meaning
a short, well-known saying that expresses a general truth or piece of advice
Example
The old adage says that honesty is the best policy.
古老的格言说，诚实是最好的政策。
B1 noun /ˈæbsəns/

Absence

缺席
Meaning
the state of being away from a place or person; lack or non-existence
Example
His absence from the meeting was noticed by everyone.
他缺席的会议被大家注意到了。
B2 adjective /əˈfekʃənət/

Affectionate

亲切的; 爱心的; 温柔的; 表现出关爱
Meaning
loving; caring; tender; showing affection
Example
She is very affectionate towards her children.
她对她的孩子非常温柔。
B1 noun əˈnæl.ə.sɪs

analysis

分析
Meaning
Detailed examination and evaluation of data or information to understand its components and relationships.
Example
Data analysis is crucial for machine learning models.
数据分析对于机器学习模型至关重要。
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 adjective /əˈbaɪdɪŋ/

abiding

持久的
Meaning
lasting for a long time; enduring
Example
She had an abiding love for her hometown.
她对故乡有着持久的爱。
B2 verb /əˈsend/

ascend

上升
Meaning
to go up or climb to a higher position; to rise
Example
The climbers will ascend the mountain at dawn.
登山者将在黎明时分爬上山。
C1 adjective/adverb /əˈmɪs/

amiss

错误的
Meaning
Not quite right; inappropriate or out of place.
Example
Something seems amiss with the car's engine.
汽车的引擎似乎有些错误。
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 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。
B2 adjective /ˈɛəri/

airy

通风的
Meaning
Spacious and well-ventilated; light and breezy.
Example
The new apartment is bright and airy.
这间新公寓明亮且通风。
C2 noun /ˌæriˈviːst/

arriviste

新贵
Meaning
A person who has recently gained wealth or status but is considered arrogant or socially unsophisticated.
Example
The business world is full of ambitious arrivistes.
商业世界充满了雄心勃勃的新贵。
B2 adjective /æbˈnɔːr.məl/

abnormal

异常的
Meaning
deviating from what is normal or usual, typically in a way that is undesirable
Example
The doctor noticed an abnormal growth in the patient’s lung.
医生注意到病人肺部出现了异常的生长。
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。
A1 verb /æsk/

ask

问
Meaning
to request information; to inquire; to invite
Example
Can I ask you a question about the homework?
我可以问你一个关于作业的问题吗？
C2 noun ˌæɡ.roʊˈfɔːr.ɪ.stri

agroforestry

农业林业
Meaning
A land use management system in which trees or shrubs are grown around or among crops or pastureland.
Example
Agroforestry improves soil quality and crop yield.
农业林业改善了土壤质量和作物产量。
B2 noun /ˈæd.və.kət/

Advocate

辩护律师；倡导者
Meaning
a lawyer who represents clients in court; a person who supports or argues for a cause or policy
Example
The advocate presented strong evidence to defend his client in court.
这位辩护律师在法庭上出示了有力的证据，为他的客户辩护。
C2 adjective /ɔːˈrɔːrəl/

auroral

与极光相关
Meaning
Relating to or resembling the aurora, especially the northern lights.
Example
The scientists observed auroral activity in the night sky.
科学家们在夜空中观察到了欧若拉活动。
C2 adjective /əˈbɑː.mə.nə.bəl/

abominable

可憎的
Meaning
causing moral revulsion; extremely unpleasant
Example
The prisoners were kept in abominable conditions.
囚犯们被关押在可憎的条件下。
B2 noun /əˈlaɪnmənt/

alignment

对齐
Meaning
arrangement in a straight line or in proper position
Example
The alignment of the planets was perfect for the celestial event.
行星的对齐对天文事件来说是完美的。
C2 noun /ˌædʒʊˈreɪʃən/

adjuration

郑重请求
Meaning
a solemn urging or appeal
Example
The priest made an adjuration for peace and unity.
牧师为和平与团结做出了郑重请求。
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。
B2 verb /əˈsɜːrt/

assert

断言
Meaning
to state a fact or belief confidently and forcefully; to insist upon rights or claims
Example
She decided to assert her authority in the meeting.
她决定在会议上主张她的权威。
B2 noun ɔːɡˈmɛn.tɪd riˈæl.ɪ.ti

augmented reality

增强现实，虚拟与现实世界的结合
Meaning
Technology that overlays digital information on the real world environment.
Example
Gaming has been transformed by augmented reality.
增强现实改变了游戏。
C2 noun /ˈæpəplɛksi/

apoplexy

由于中风或极端愤怒而导致的突然失去意识或控制
Meaning
A sudden loss of consciousness or control due to stroke or extreme anger.
Example
The old man nearly had apoplexy when he heard the shocking news.
那位老人听到震惊的消息时差点昏厥。
B2 adjective /ɔːˈθen.tɪk/

Authentic

真实的; 真实; 不虚假
Meaning
genuine; real; not fake or copied
Example
The museum displays only authentic artifacts from ancient civilizations.
博物馆只展示来自古代文明的真实文物。
C1 noun əˌkred.ɪˈteɪ.ʃən

accreditation

认证
Meaning
The action or process of officially recognizing someone or something as having a particular status or being qualified to perform a particular activity.
Example
Accreditation ensures institutional credibility.
认证确保了机构的可信度。
B2 adjective, noun, verb /ˈæb.strækt/

abstract

抽象的, 摘要
Meaning
existing in thought or as an idea but not having physical or concrete existence; a summary of a text
Example
The artist is known for her abstract paintings.
艺术家以其抽象画作而闻名。
C2 noun ˌæɡ.roʊˈiː.koʊˌsɪs.təm

agroecosystem

农业生态系统
Meaning
An ecological system centered on agricultural activities and processes.
Example
A healthy agroecosystem improves soil fertility.
健康的农业生态系统提高土壤肥力。
B2 adjective /əˈtɒm.ɪk/

Atomic

原子
Meaning
relating to atoms or atomic energy; extremely small
Example
The atomic structure of hydrogen is the simplest.
氢的原子结构是最简单的。
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 noun /əˈrɪəz/

arrears

欠款
Meaning
Money that is owed and should have been paid earlier.
Example
She was months in arrears with her electricity bill.
她的电费账单已经拖欠了好几个月。
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 /ɛr pəˈluːʃən/

air pollution

空气污染
Meaning
The presence of harmful or poisonous substances in the air, typically caused by industrial processes, vehicle emissions, or other human activities.
Example
Air pollution from factories led to the first environmental movement.
工厂的空气污染导致了第一个环境运动的出现。
C2 verb /əˈlɪtəreɪt/

alliterate

使用押头韵
Meaning
to repeat the same consonant sound at the beginning of words in a phrase or sentence
Example
The poet often alliterates words to create rhythm.
诗人经常押头韵来创造节奏。
B2 noun /ɔːˈtɒn.ə.məs ˈviː.ɪ.kəlz/

autonomous vehicles

自动驾驶车辆
Meaning
Vehicles that can operate and move without human intervention or control.
Example
Autonomous vehicles are revolutionizing the future of transport.
自动驾驶车辆正在革新交通运输的未来。
B1 adjective /ˈeɪn.ʃənt/

Ancient

古老
Meaning
belonging to the very distant past; very old; historical
Example
We visited the ancient ruins of the Roman empire.
我们参观了罗马帝国的古老遗址。
C1 verb /eɪl/

ail

生病
Meaning
to be ill or suffer from a physical or mental problem; to trouble or afflict
Example
She has been ailing since last winter.
她从去年冬天开始一直生病。
C1 verb /ˈæɡənaɪz/

agonize

煎熬
Meaning
To suffer extreme physical or mental pain; to spend time worrying.
Example
She agonized for days over whether she had made the right decision.
她为是否做出了正确的决定而痛苦了好几天。
C2 noun /əˈnæθəmə/

anathema

厄奈赛玛 / 被憎恶的事物
Meaning
something or someone intensely disliked or strongly condemned
Example
Violence is anathema to her peaceful nature.
暴力对她平和的性格是厄奈赛玛。
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。
C2 adjective /əˈbɔːrtɪv/

abortive

失败的
Meaning
Failing to produce the intended result; unsuccessful.
Example
Their abortive attempt to climb the mountain ended in retreat.
他们登山的失败尝试以撤退告终。
A2 verb /əˈnɔɪ/

annoy

惹恼
Meaning
to irritate or bother someone and make them feel a little angry or uncomfortable
Example
His constant humming started to annoy everyone in the room.
他的持续哼唱开始让房间里的每个人都不耐烦。
A2 adjective, noun /ˈeɪʒən/

asian

亚洲的
Meaning
relating to Asia or its people
Example
She loves Asian culture.
她喜欢亚洲文化。
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。