atop
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 preposition /əˈtɒp/

atop

顶部
Meaning
on the top of something
Example
A flag was placed atop the tower.
一面旗帜被放置在塔顶。
B2 noun /ˈɑːrtɪˌfækt/

artifact

文物
Meaning
an object made by humans, typically of historical or cultural interest
Example
The museum displayed ancient artifacts from Egypt.
博物馆展示了来自埃及的古代文物。
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 verb /ˈæmbʊʃ/

ambush

伏击
Meaning
To attack suddenly and unexpectedly from a hidden position.
Example
The soldiers planned to ambush the enemy at dawn.
士兵们计划在黎明时伏击敌人。
B2 noun/adjective /ˌædəˈlɛsənt/

adolescent

青少年
Meaning
A young person in the process of developing from a child into an adult.
Example
Adolescents often experience rapid physical and emotional changes.
青少年常常经历快速的身体和情感变化。
B2 adjective /ænˈdʒelɪk/

angelic

天使般的
Meaning
Like or characteristic of an angel; pure, kind, or innocent.
Example
The child had an angelic smile.
那个孩子有一个天使般的微笑。
C2 noun /ˈɔːlmənæk/

almanac

年鉴
Meaning
An annual publication containing calendars, weather forecasts, astronomical data, and other useful information.
Example
He consulted the almanac to check the phases of the moon.
他查阅了年鉴，以查看月亮的各个阶段。
C1 noun /əˈsɪdɪti/

acidity

酸度
Meaning
the quality or degree of being acidic; the amount of acid present in a substance
Example
The acidity of the soil affects how well crops grow.
土壤的酸度会影响作物的生长。
B1 adjective /ɑːrˈtɪstɪk/

artistic

艺术的
Meaning
having or revealing natural creative skill
Example
She has an artistic sense of design.
她有艺术的设计感。
B1 noun /əˈsaɪnmənt/

assignment

任务
Meaning
a task or piece of work given to someone as part of their duties
Example
The students completed their homework assignment on time.
学生们按时完成了他们的家庭作业任务。
C2 adjective /ˈæpəˌleɪt/

appellate

与上诉有关
Meaning
relating to appeals in a court of law
Example
The case was taken to an appellate court.
案件被提交给了上诉法院。
B1 adverb /ˈæŋɡrɪli/

angrily

愤怒地
Meaning
in a manner showing anger or strong displeasure
Example
She spoke angrily when she heard the news.
她听到这个消息后愤怒地说话。
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。
B1 noun /əˌkɒm.əˈdeɪ.ʃənz/

accommodations

住宿
Meaning
Lodging; room and board; places to stay.
Example
The students had proper accommodations.
学生们有适当的住宿安排。
C1 adjective /ˈɛərˌtaɪt/

airtight

密封的
Meaning
Completely sealed so that no air can get in or out.
Example
Store the cookies in an airtight container to keep them fresh.
将饼干存放在密封容器中，以保持其新鲜。
C2 noun /æbˈsɪʒən/

abscission

叶片脱落
Meaning
The natural detachment of parts of a plant, typically leaves or fruit.
Example
The autumn season is marked by the abscission of leaves from trees.
秋季的标志是树叶从树木上脱落。
C1 noun /ˌæn.ɪˈmɒs.ə.ti/

Animosity

敌意; 仇恨
Meaning
strong hostility or dislike; active hatred or ill will
Example
There was clear animosity between the two rival teams.
两支竞争队伍之间有明显的敌意。
C2 adjective /æbˈstruːs/

abstruse

深奥
Meaning
Difficult to understand; obscure.
Example
The abstruse nature of the philosophical debate left many confused.
哲学辩论的深奥本质让许多人感到困惑。
B2 verb /əˈweɪkən/

awaken

唤醒
Meaning
to stop sleeping; to cause to become aware
Example
The loud noise awakened the entire neighborhood.
大声的噪音唤醒了整个邻里。
C2 verb /əˈdʌltəreɪt/

adulterate

掺假
Meaning
to make something poorer in quality by adding another substance, usually of lower quality
Example
The company was fined for adulterating its products with cheap chemicals.
该公司因将其产品篡改成便宜的化学品而被罚款。
C2 noun /ˌær.əˈbesk/

arabesque

装饰性设计
Meaning
a complex, ornate design featuring intertwined flowing lines, often used in architecture or ballet poses
Example
The ceiling was decorated with delicate arabesque patterns.
天花板上装饰着精美的阿拉贝斯克图案。
C2 noun /ˈænɪməlˌkjuːl/

animalcule

微生物
Meaning
A microscopic animal, especially a protozoan or other minute organism.
Example
The scientist observed an animalcule moving under the microscope.
科学家在显微镜下观察到一个微生物在移动。
C2 adverb /əˈbɛd/

abed

在床上
Meaning
in bed
Example
She stayed abed all day due to illness.
由于生病，她整天都待在床上。
C1 verb /əˈskraɪb/

ascribe

归因于，归咎于
Meaning
To attribute something to a cause, source, or person.
Example
Many scholars ascribe the poem to an unknown author.
许多学者将这首诗归功于一位无名作者。
B1 noun /ˈɑːrtwɜːrk/

artwork

艺术品
Meaning
a piece of art, such as a painting, sculpture, or drawing
Example
The gallery displayed an impressive artwork by a local artist.
画廊展示了一件本地艺术家创作的令人印象深刻的艺术品。
B2 noun ˈæsɛt

asset

资产
Meaning
A useful or valuable thing, person, or quality.
Example
Real estate is one of the most valuable assets.
房地产是最有价值的资产之一。
C2 verb /əˈleɪ/

allay

缓解
Meaning
to reduce the intensity of fear, worry, or pain; to calm
Example
The teacher tried to allay the students’ fears before the exam.
老师在考试前试图缓解学生们的恐惧。
B2 noun /əˈmɛnətiz/

amenities

便利设施
Meaning
useful or pleasant facilities and services provided for comfort or convenience
Example
The hotel offers modern amenities such as free Wi-Fi and a swimming pool.
这家酒店提供现代化的便利设施，如免费Wi-Fi和游泳池。
C2 noun /əˈstɪɡmətɪzəm/

astigmatism

散光
Meaning
An eye defect causing blurred vision due to irregular curvature of the cornea or lens.
Example
She wears glasses to correct her astigmatism.
她戴眼镜来矫正她的散光。
C1 noun /ˌæktʃuˈæləti/

actuality

现实
Meaning
The state of existing in reality rather than in appearance or imagination.
Example
The movie was based on historical actuality.
这部电影基于历史现实。
C1 adjective /əˈɡæst/

aghast

震惊
Meaning
filled with shock or horror
Example
The audience was aghast at the tragic scene.
观众对悲惨的场面感到震惊。
B2 verb əˈlaɪn.ɪŋ

aligning

对齐
Meaning
Placing or arranging things in a straight line or in correct relative positions.
Example
Aligning education with global standards is vital.
将教育与全球标准对齐是至关重要的。
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。
C1 adjective /ˌæpəˈθɛtɪk/

apathetic

Meaning
showing or feeling little or no interest, enthusiasm, or concern
Example
He was apathetic about the outcome of the match.
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 verb /ˈæbnɪˌɡeɪt/

abnegate

放弃
Meaning
to deny or renounce something, especially a right or desire
Example
She chose to abnegate her personal interests for the sake of the team.
她选择为团队的利益放弃个人利益。
C1 adjective /ˌæn.ɪkˈdoʊ.t̬əl/

anecdotal

基于个人叙述而非事实或研究，特点是轶事
Meaning
Based on personal accounts rather than facts or research; characterized by anecdotes.
Example
The book was filled with anecdotal evidence rather than data.
这本书充满了轶事性证据，而不是数据。
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。
B2 adverb /əˈkɔːr.dɪŋ.li/

Accordingly

因此; 所以; 根据情况
Meaning
in a way that is appropriate to the particular circumstances; therefore; consequently
Example
The weather was bad, so the event was cancelled accordingly.
天气不好，所以活动因此被取消。
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 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。
B1 noun æmˈbɪʃ.ən

ambition

雄心
Meaning
A strong desire to do or achieve something, typically requiring determination and hard work.
Example
Their ambition is to build a quantum computer.
他们的雄心是建立一台量子计算机。
C2 noun /əˌbɑː.məˈneɪ.ʃən/

abomination

可憎的事物
Meaning
a thing that causes disgust or hatred
Example
Slavery was considered an abomination.
奴隶制被认为是一种可憎的事物。
A2 verb əˈdres

address

处理
Meaning
To deal with or tackle (a problem or issue); to focus attention on.
Example
The government must address the issues of student politics.
政府必须处理学生政治问题。
C2 noun /ˈeɪ.viˌɛr.i/

aviary

鸟舍
Meaning
a large enclosure for keeping birds
Example
The zoo built a new aviary for exotic parrots.
动物园为外来鹦鹉建了一个新的鸟舍。
C1 adjective /ˌeɪˈtɪpɪkəl/

atypical

非典型
Meaning
not representative of a type, group, or class; unusual or abnormal
Example
The doctor said it was an atypical case of the disease.
医生说这是一个非典型的病例。
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。
C2 noun /ˈæktʃuˌɛri/

actuary

精算师
Meaning
A professional who analyzes financial risk using mathematics, statistics, and financial theory, especially in insurance and pensions.
Example
The actuary calculated the risk before finalizing the insurance policy.
精算师在确定保险政策之前计算了风险。
B1 noun ˈɑːkɪtektʃə(r)

architecture

建筑学
Meaning
The art or science of designing and constructing buildings.
Example
Ancient architecture is fascinating.
古代建筑学令人着迷。
C1 adjective /ədˈmɪsəbl/

admissible

Meaning
acceptable or valid, especially as evidence in a court of law
Example
The judge ruled that the document was admissible as evidence.
B2 adjective /əˈdɪktɪd/

addicted

上瘾的
Meaning
Being unable to stop engaging in a particular activity or consuming a particular substance.
Example
Many people are addicted to social media.
许多人上瘾于社交媒体。
A2 noun əˈɡriː.mənt

agreement

协议
Meaning
A negotiated arrangement between parties as to a course of action.
Example
The agreement was accepted by all countries.
该协议已被所有国家接受。
C1 verb /əˈsɪm.ɪ.leɪt/

assimilate

完全理解并吸收；融入自己的知识或文化
Meaning
To take in and understand fully; to absorb and integrate into one's knowledge or culture.
Example
Immigrants often struggle to assimilate into a new culture.
移民们常常在适应新文化时遇到困难。
C2 noun, verb /əˈfrʌnt/

affront

侮辱
Meaning
An action or remark that causes outrage or offense.
Example
He took her criticism as a personal affront.
他把她的批评当作个人的侮辱。
B1 adjective /əˈdɪʃənəl/

additional

额外的
Meaning
added, extra, or supplementary to what already exists
Example
The teacher gave the students additional homework.
老师给学生布置了额外的作业。
C1 noun əˈniː.mi.ə

anemia

贫血
Meaning
A condition in which there is a deficiency of red blood cells or hemoglobin in the blood.
Example
Genetic therapy addresses anemia effectively.
基因疗法有效地治疗贫血。
A2 noun /ədˈvaɪs/

advice

建议
Meaning
Guidance or recommendations offered with regard to prudent future action.
Example
Experts provide advice for better air quality.
专家提供建议，以改善空气质量。
C2 verb /əˈbrɪdʒ/

abridge

缩短
Meaning
to shorten a text without losing its meaning
Example
The editor decided to abridge the long novel for young readers.
编辑决定为年轻读者缩短这本长小说。
C2 verb /əˈsɪdɪfaɪ/

acidify

酸化
Meaning
to make something acidic or more acidic
Example
Farmers worry that pollution will acidify the soil.
农民担心污染会使土壤酸化。
C2 noun /ˌɑːrbəˈriːtəm/

arboretum

植物园
Meaning
a place where trees, shrubs, and plants are grown for scientific study or public display
Example
We visited the city’s arboretum to learn about exotic trees.
我们参观了城市的植物园，了解异国树木。
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 /ˈæv.ɪd/

avid

热衷的
Meaning
having an eager desire or enthusiasm for something
Example
She is an avid reader of mystery novels.
她是一个狂热的神秘小说读者。
B2 adjective /əˈtʃiːvəbl/

achievable

可实现的
Meaning
Able to be brought about or reached successfully.
Example
Start with achievable steps to stay motivated.
从可实现的步骤开始，以保持动力。
B2 verb /əˈsɛmbəl/

assemble

集合
Meaning
to gather or bring together in one place
Example
The students assembled in the hall for the meeting.
学生们为了会议在大厅里集合。
C1 noun əˈɡrɛriən səˈsaɪətiz

agrarian societies

农业社会
Meaning
Societies based on agriculture and farming as the primary economic activity.
Example
Agrarian societies emerged from a need for stable food sources.
农业社会从对稳定食品来源的需求中产生。
B1 verb /əˈfɛkt/

affect

影响
Meaning
to influence or make a difference to something
Example
The weather can greatly affect our mood.
天气可以极大地影响我们的情绪。
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。
A1 verb /ˈænsər/

answer

回答
Meaning
to respond to a question; to reply; to solve
Example
She will answer the phone when it rings.
她会在电话响时接电话。
B2 noun /əˈtɒm.ɪk ˈhæb.ɪts/

atomic habits

原子习惯
Meaning
Small but powerful habits that can bring big changes over time
Example
Developing atomic habits leads to long-term success.
养成原子习惯带来长期的成功。
A2 noun /ˈɔːtoʊ/

auto

汽车
Meaning
A motor vehicle, especially a car.
Example
He drove his auto to the market.
他开车去了市场。
B2 adjective /ˈæm.pəl/

Ample

充足的；足够的；丰富的
Meaning
large in size, extent, or capacity; plentiful; more than enough
Example
We have ample time to finish the project before the deadline.
我们有足够的时间在最后期限前完成项目。
A1 determiner, pronoun, adverb /ɔːl/

all

所有
Meaning
the whole quantity or extent of something; every one of something
Example
She spent all her money on books.
她把所有的钱都花在书上。
C1 adverb /iːsˈθetɪkli/

aesthetically

从审美角度
Meaning
in a way that is concerned with beauty or visual appeal
Example
The building is aesthetically pleasing despite its simple design.
尽管设计简单，这座建筑在审美上很吸引人。
B2 noun /əˈnælədʒi/

analogy

类比
Meaning
A comparison between two things for the purpose of explanation or clarification.
Example
The teacher used the analogy of a tree to explain the structure of an essay.
老师用树木的类比来解释文章的结构。
A1 noun /ɑːrm/

Arm

手臂
Meaning
the upper limb of the human body from the shoulder to the hand
Example
She raised her arm to ask a question.
她举起了手臂来提问。
C2 adjective /ˌæk.rɪˈmoʊ.ni.əs/

acrimonious

尖刻和愤怒
Meaning
Bitter and angry, often involving harsh words.
Example
The debate turned acrimonious after the controversial remark.
辩论在争议性评论后变得尖刻。
B2 adjective /ˈædɪkwət/

adequate

足够
Meaning
sufficient or acceptable in quality or quantity
Example
The food was adequate for the small group.
食物足够适合小组。
B2 adjective /ˈædvɜːrs/

Adverse

不利的; 负面的; 有害的
Meaning
harmful; unfavorable; opposing; negative
Example
The adverse weather conditions forced them to cancel the event.
恶劣的天气条件迫使他们取消了活动。
C1 noun /ˌævɒ̃ˈɡɑːrd/

avantgarde

先锋派
Meaning
people or works that are innovative, experimental, and ahead of their time
Example
The avantgarde of the 20th century reshaped modern art.
20世纪的先锋派重新塑造了现代艺术。
B2 noun /əˈpɒstrəfi/

apostrophe

Meaning
A punctuation mark (') used to indicate possession or the omission of letters or numbers.
Example
You need an apostrophe in the word 'children’s'.
C2 noun /əˈmʊr/

amour

秘密的爱
Meaning
A secret or illicit love affair.
Example
The novel tells the story of a forbidden amour between two characters.
这本小说讲述了两个人物之间的禁忌爱情故事。
C1 adverb /əˈtroʊʃəsli/

atrociously

极其糟糕地
Meaning
in a very cruel, shocking, or extremely bad manner
Example
The service at the restaurant was atrociously slow.
这家餐馆的服务慢得极其糟糕。
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。
B1 noun /ˈæʃ.treɪ/

Ash tray

烟灰缸
Meaning
a receptacle for tobacco ash and cigarette butts
Example
Please use the ash tray for your cigarette.
请使用烟灰缸放你的香烟。
C1 adjective /ˈæŋ.ɡjə.lər/

Angular

角度的
Meaning
having sharp corners or edges; relating to angles
Example
The building has an angular design with sharp corners.
这座建筑具有角度设计，角落尖锐。
B2 adjective /ˈædmərəbəl/

Admirable

值得钦佩的
Meaning
প্রশংসনীয়; চমৎকার;
Example
Her dedication to helping others is truly admirable.
她帮助他人的奉献精神真是令人钦佩。
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。
A2 noun /əˈbɪləti/

Ability

能力; 技能
Meaning
the power or skill to do something; capacity
Example
She has the ability to solve complex problems.
她有解决复杂问题的能力。
C1 adjective /ˈeɪ.mi.ə.bəl/

Amiable

友好且愉快；性格好；善良
Meaning
friendly and pleasant; good-natured; kind
Example
My neighbor is very amiable and always greets everyone warmly.
我的邻居非常友好，总是热情地问候每个人。
A1 noun /'æn.ɪ.məl/

Animal

动物
Meaning
a living creature that feeds on organic matter, typically having specialized sense organs and nervous system and able to respond rapidly to stimuli
Example
The zoo has many different animals from around the world.
动物园里有来自世界各地的许多不同动物。
C2 noun /ˌæs.əˈfet.ɪ.də/

Asafoetida

阿萨福提达
Meaning
a pungent spice derived from the resin of a plant, commonly used in Indian cooking
Example
A pinch of asafoetida adds a distinctive flavor to the lentil curry.
一撮阿萨福提达为扁豆咖喱增添了独特的风味。
A2 verb /əkˈsɛpt/

accept

接受
Meaning
to receive willingly; to believe or come to recognize
Example
She decided to accept the job offer.
她决定接受这份工作邀请。
B2 noun ˌɔː.təˈmeɪ.ʃən

automation

自动化
Meaning
Replacing manual work with machines or software.
Example
Automation increases efficiency and reduces errors in production.
自动化提高了生产效率，并减少了生产中的错误。
C1 noun /əˈkʌmplɪs/

accomplice

同谋
Meaning
a person who helps another commit a crime
Example
The thief was arrested along with his accomplice.
小偷与他的同谋一起被捕。
B2 adjective /æʃ ˈkʌl.ər/

Ash-colour

灰色
Meaning
a grayish color resembling ash
Example
The old building had ash-colour walls that needed painting.
这座旧建筑有灰色的墙壁，需要重新粉刷。
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。
C1 verb /əˈsæsɪneɪt/

assassinate

刺杀
Meaning
To murder someone important, often a political or religious leader, usually by surprise attack.
Example
The rebels planned to assassinate the king.
反叛者计划刺杀国王。
A2 verb /ədˈmɪt/

admit

承认
Meaning
to confess to be true; to allow entrance; to accept as valid
Example
He had to admit his mistake to the teacher.
他不得不向老师承认自己的错误。
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？
B2 adverb /əˈproʊpriətli/

appropriately

恰当地
Meaning
in a way that is suitable or proper for a particular situation
Example
She was dressed appropriately for the event.
她为活动穿着得体。
C1 verb /əˈmæs/

amass

积累
Meaning
to gather together or accumulate over a period of time
Example
He managed to amass a fortune through wise investments.
他通过明智的投资成功地积累了财富。
B2 noun /ˈædvərtaɪzər/

advertiser

广告商
Meaning
a person or company that advertises a product, service, or event
Example
The advertiser paid millions for a Super Bowl commercial spot.
广告商为超级碗广告位置支付了数百万。
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 /ˈækni/

acne

痤疮
Meaning
a skin condition in which pores become inflamed and clogged, causing pimples and spots
Example
Regular cleansing and a balanced diet can help reduce acne.
定期清洁和均衡饮食可以帮助减少痤疮。
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。
A1 adjective /ˈeɪbl/

able

能够
Meaning
having the power, skill, or means to do something
Example
She is able to speak three languages fluently.
她能说三种流利的语言。
C1 noun /ɑːˌtɪkjʊˈleɪʃən/

articulation

表达
Meaning
The action of putting into words an idea or feeling of a specified type.
Example
His articulation during the debate impressed everyone.
他在辩论中的发音给大家留下了深刻印象。
C1 noun /ˈælkoʊv/

alcove

壁龛
Meaning
A small recessed section of a room or a nook.
Example
She placed a reading chair in the alcove near the window.
她在靠窗的壁龛里放了一把阅读椅。
B2 noun /æʃ/

ash

灰烬
Meaning
the powdery residue left after the burning of a substance
Example
After the fire, only ash remained of the house.
火灾过后，只有房子的灰烬留下。
C1 noun əˈtrɪʃ.ən

attrition

消耗
Meaning
The process of reducing something's strength or effectiveness through sustained attack or pressure.
Example
The company faced high employee attrition due to job dissatisfaction.
由于工作不满意，公司面临高员工流失率。
B2 adjective /ænˈtɑːrktɪk/

antarctic

南极的
Meaning
relating to the region around the South Pole
Example
The Antarctic region is known for its extreme cold and icy landscapes.
南极地区因其极端的寒冷和冰雪覆盖的景观而闻名。
C1 adjective /ˈærəbəl/

arable

可耕种的
Meaning
suitable for growing crops or farming
Example
The farmer purchased arable land to expand his crops.
农民购买了可耕种的土地，以扩大他的作物。
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。
C2 adjective /ˈeɪ.li.ə.nə.bəl/

alienable

可转让的
Meaning
Able to be transferred or surrendered, usually referring to rights or property.
Example
Property rights are alienable and can be sold or transferred.
财产权是可以转让的，可以出售或转让。
B2 noun /əˈkjuːzd/

accused

被告
Meaning
a person who has been charged with a crime
Example
The accused pleaded not guilty in court.
被告在法庭上表示无罪。
C1 adjective /əˈbɪzməl/

abysmal

极其糟糕 / 可怕
Meaning
extremely bad or appalling
Example
The team's performance was abysmal.
团队的表现非常糟糕。
C1 adverb /əˈraɪ/

awry

出错
Meaning
away from the expected or proper direction; wrong or amiss
Example
The plan went awry when the weather suddenly changed.
计划在天气突然变化时出了问题。
C2 adjective /ˈæb.ə.rənt/

aberrant

异常
Meaning
deviating from what is normal or expected; abnormal
Example
His aberrant behavior shocked everyone at the meeting.
他的异常行为让会议上的每个人都感到震惊。
C1 noun /əˈduː/

ado

喧闹 / 不必要的活动
Meaning
a fuss or unnecessary activity; trouble or difficulty
Example
Without further ado, let’s begin the ceremony.
不再多言，我们开始仪式。
C2 noun /ˌæpəˈleɪʃən/

appellation

名称 / 称号
Meaning
a name or title
Example
The city has earned the appellation 'The Big Apple'.
这座城市获得了‘大苹果’的称号。
C1 noun /ˌæn.əˈnɪm.ə.ti/

anonymity

匿名
Meaning
The state of being anonymous; having one's identity kept secret or unknown.
Example
Online anonymity protects users from cyber threats.
在线匿名保护用户免受网络威胁。