arcade
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B2 noun /ɑːrˈkeɪd/

arcade

游乐场
Meaning
a covered passage with arches along one or both sides; also a place with coin-operated games
Example
The children spent the afternoon playing games at the arcade.
孩子们在游戏中心度过了下午。
C1 adverb /əˈnjuː/

anew

重新
Meaning
In a new or different way; once more.
Example
After the failure, she decided to start her life anew.
失败后，她决定重新开始她的生活。
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 /ˌæftərˈnuːn/

afternoon

下午
Meaning
The part of the day between noon and evening.
Example
We met in the afternoon for coffee.
我们下午见面喝咖啡。
B2 noun /ˈæli/

alley

小巷
Meaning
a narrow passageway between or behind buildings
Example
They walked through a dark alley to reach the main road.
他们走过一条黑暗的小巷，来到主干道。
C1 noun/verb /ˈætrəfi/

atrophy

萎缩
Meaning
a decrease in size or wasting away of a body part, tissue, or ability due to lack of use
Example
Without regular exercise, muscles may atrophy over time.
没有规律的锻炼，肌肉随着时间的推移可能会萎缩。
B2 adverb /əˈdɪʃənəli/

additionally

此外
Meaning
in addition to what has been said or done
Example
Additionally, we offer discounts for early bookings.
此外，我们为提前预订提供折扣。
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 noun /əˈnɒməli/

anomaly

异常
Meaning
something that deviates from the norm or expected result
Example
The sudden drop in temperature was considered an anomaly.
温度的突然下降被认为是一种异常。
C1 noun /əˌlɪtəˈreɪʃən/

alliteration

头韵
Meaning
the occurrence of the same consonant sound at the beginning of words in close succession
Example
She used alliteration in her poem to add musicality.
她在诗中使用了头韵来增加音乐性。
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。
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。
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。
B2 adjective ænˈtɪsɪpeɪtɪd

anticipated

预期的
Meaning
Expected or predicted to happen; foreseen in advance.
Example
The anticipated growth exceeded the city's capacity.
预期的增长超出了城市的容量。
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。
B2 adjective /ˈæfluənt/

affluent

富裕
Meaning
having a great deal of money; wealthy
Example
She grew up in an affluent neighborhood.
她在一个富裕的社区长大。
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。
B1 verb /əˈsɛs/

assess

评估
Meaning
to evaluate or estimate the nature, ability, or quality of something
Example
The teacher assessed the students' progress.
老师评估了学生的进展。
C2 verb /əˈbɛt/

abet

Meaning
to encourage or assist someone to commit a crime or wrongdoing
Example
He was accused of abetting the criminals in their escape.
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。
B2 verb /əˈbɒlɪʃ/

abolish

废除
Meaning
to formally end or stop something; to cancel or eliminate completely
Example
The government decided to abolish the old tax system.
政府决定废除旧的税收制度。
B1 adjective /ˌɔːtəˈmætɪk/

automatic

自动
Meaning
working by itself without direct human control
Example
This car has an automatic transmission.
这辆车有自动变速器。
C1 noun /əˈkwɪtl/

acquittal

Meaning
a judgment that a person is not guilty of the crime with which they have been charged
Example
The acquittal of the accused shocked the public.
C1 noun /əˌsæsɪˈneɪʃən/

assassination

刺杀
Meaning
The act of killing someone important, often for political or ideological reasons.
Example
The assassination of the president shocked the nation.
总统的刺杀震惊了整个国家。
A2 adjective /əˈlaɪv/

Alive

活着的; 不是死的; 充满生命和能量
Meaning
living; not dead; full of life and energy
Example
The old man is still alive and healthy.
那位老人仍然活着且健康。
C2 noun /ˌæŋɡləˈfoʊbiə/

anglophobia

盎格鲁恐惧症
Meaning
Dislike or fear of England, English people, or English culture.
Example
The politician was accused of promoting Anglophobia in his speeches.
这位政治家被指控在他的演讲中宣传盎格鲁恐惧症。
C1 adjective /ˌeɪ.bəlˈbɒd.id/

able-bodied

身体健康
Meaning
physically strong and healthy, not disabled
Example
The company is looking for able-bodied workers for the construction site.
公司正在为建筑工地寻找身体健康的工人。
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。
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。
A1 article /æn/

an

一个（元音前）
Meaning
used before a noun to refer to a non-specific item that begins with a vowel sound
Example
She ate an apple for breakfast.
她早餐吃了一个苹果。
B2 noun /æŋˈzaɪ.ə.ti/

anxiety

焦虑或不安
Meaning
A feeling of worry, nervousness, or unease about something with an uncertain outcome.
Example
Meditation helps reduce anxiety and stress.
冥想有助于减少焦虑和压力。
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。
C2 noun /ˈɑːm.lət/

Armlet

臂环
Meaning
a band worn around the upper arm as an ornament
Example
The traditional dancer wore golden armlets that gleamed in the spotlight.
传统舞者佩戴着金色的臂环，在聚光灯下闪闪发光。
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。
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 əˈpɔɪn.tɪd

appointed

任命
Meaning
Assign a job or role to someone; designate someone to a position.
Example
Appointed officials carry significant responsibilities.
任命的官员承担重要责任。
B2 adjective /əˈpiː.lɪŋ/

Appealing

吸引人的; 有趣的; 令人愉快的
Meaning
attractive; interesting; pleasing
Example
The colorful garden looks very appealing to visitors.
五颜六色的花园对游客非常吸引人。
C2 noun /ˌæpəˈrɪʃən/

apparition

幽灵现身
Meaning
A ghostly figure or an unusual or unexpected appearance.
Example
The children were frightened by the sudden apparition in the old house.
孩子们被老房子里突然出现的幽灵吓坏了。
C1 verb /ˈɑːrbɪtreɪt/

arbitrate

仲裁
Meaning
to settle a dispute between two parties by acting as an impartial judge
Example
The committee agreed to arbitrate the contract dispute.
委员会同意仲裁合同争议。
B2 adjective /əˈlɑːrmɪŋ/

alarming

令人担忧
Meaning
Worrying or disturbing; causing concern or fear.
Example
The unemployment rate among youth is alarming.
年轻人中的失业率令人担忧。
C2 noun /ˈæntɪˌtʃeɪmbər/

antechamber

前厅
Meaning
a small room serving as an entry to a larger one
Example
The guests waited in the antechamber before being admitted to the hall.
客人们在进入大厅之前，先在前厅等待。
C2 noun /ɔːl/

awl

锥子
Meaning
a small pointed tool used for making holes, especially in leather
Example
The cobbler used an awl to punch holes in the leather.
鞋匠用锥子在皮革上打孔。
B2 verb /ˈɔːθəraɪz/

authorize

授权
Meaning
to give official permission or approval for something
Example
The manager will authorize the payment tomorrow.
经理明天将授权付款。
B2 noun ˌæn.tiˈɒk.sɪ.dənts

antioxidants

抗氧化剂
Meaning
A substance that may prevent or delay some types of cell damage.
Example
Fruits and vegetables are rich in antioxidants.
水果和蔬菜富含抗氧化剂。
B2 adjective /əˈten.tɪv/

Attentive

专心的; 警觉的; 留心的
Meaning
careful to pay attention; alert and observant
Example
The attentive student listened carefully to every word the teacher said.
专心的学生仔细地听了老师说的每一个字。
C1 verb /əˈnʌl/

annul

取消
Meaning
to declare something legally invalid or cancel it
Example
The court decided to annul the marriage due to fraud.
法院决定因欺诈取消婚姻。
B2 noun /ˈækjərəsi/

Accuracy

准确性; 精确度
Meaning
the quality of being correct or precise; exactness
Example
The accuracy of the measurements is very important.
测量的准确性非常重要。
C2 noun /ˌɔːltərˈkeɪʃən/

altercation

争执, 争吵
Meaning
a noisy argument or quarrel
Example
There was a brief altercation between the two drivers.
两位司机之间发生了简短的争执。
B1 noun /aɪl/

aisle

走道
Meaning
a passage between rows of seats or shelves
Example
She walked down the aisle to find her seat.
她走过走道找到了她的座位。
C2 noun /ˈæl.ɪ.mənt/

aliment

食物
Meaning
food or nourishment that sustains life
Example
Fruits and vegetables are important aliments for a healthy body.
水果和蔬菜是维持健康身体的重要食物。
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 /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。
B2 noun /ˈæplɪkənt/

applicant

申请者
Meaning
a person who applies for something, such as a job or a position
Example
The applicant was interviewed for the position.
申请者已被面试以获取该职位。
A2 noun /æd/

ad

广告
Meaning
a notice or announcement in a public medium promoting a product, service, or event
Example
The company released a new ad for their smartphone.
公司发布了他们智能手机的新广告。
B2 adjective /ˌɑːrkɪˈtɛktʃərəl/

architectural

建筑的
Meaning
relating to the design and style of buildings and structures
Example
The city is known for its beautiful architectural designs.
这座城市因其美丽的建筑设计而闻名。
B1 noun /ˈɔːtəmoʊbiːl/

automobile

汽车
Meaning
a road vehicle powered by an engine, typically with four wheels
Example
He bought a new automobile last week.
他上周买了一辆新车。
C2 noun /ˌæprəˈbeɪʃən/

approbation

批准 / 赞扬
Meaning
approval or praise
Example
The plan won the approbation of the board members.
这个计划赢得了董事会成员的批准。
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 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。
C1 noun /ˈæptɪˌtjuːd/

aptitude

能力
Meaning
a natural ability or talent to do something well
Example
She has a strong aptitude for learning new languages.
她在学习新语言方面有很强的能力。
C1 adjective /ədˈhiːsɪv/

Adhesive

粘性
Meaning
আঠালো; চটচটে;
Example
The adhesive tape stuck firmly to the wall.
粘合带牢牢地粘在墙上。
B2 noun, verb /ˈædvɜːrt/

advert

Meaning
(noun) a notice or announcement in a public medium promoting a product, service, or event; (verb) to refer to something in speaking or writing
Example
The company placed an advert in the newspaper for the new position.
C1 adjective /ˈɔːrəl/

aural

听觉的
Meaning
Relating to the ear or the sense of hearing.
Example
The lecture was an aural experience as well as an intellectual one.
讲座是一次听觉体验，和一次智力体验一样。
B2 adjective /əˈfektɪd/

Affected

受影响的；被触动的
Meaning
influenced; impacted; touched by something
Example
The flood-affected areas need immediate assistance.
受洪水影响的地区需要立即的援助。
C1 verb ˌæs.ɚˈteɪn

ascertain

核实
Meaning
To find out or discover something with certainty; to verify.
Example
The police tried to ascertain the cause of the accident.
警方试图核实事故的原因。
C2 noun /ˈɛəri/

aerie

鹰巢
Meaning
A large nest of a bird of prey, especially an eagle, typically built high in a tree or on a cliff.
Example
The eagle built its aerie on the high cliff.
鹰在高悬崖上筑巢
B2 verb /əˈlaɪn/

align

对齐 / 排成直线
Meaning
To arrange things in a straight line; to adjust or bring into proper relation or agreement.
Example
The manager asked the team to align their goals with the company's mission.
经理要求团队将他们的目标与公司的使命对齐。
B2 noun /ˈærəɡəns/

Arrogance

傲慢
Meaning
having or revealing an exaggerated sense of one's own importance or abilities
Example
His arrogance made him unpopular among his colleagues.
他的傲慢使他在同事中不受欢迎。
C2 noun /ˈækmi/

acme

顶点
Meaning
the highest point of achievement or excellence
Example
Winning the award was the acme of his career.
赢得奖项是他事业的顶点。
B2 adjective /əˈkaʊntəbl/

accountable

负责
Meaning
Required or expected to justify actions or decisions; responsible.
Example
Staying accountable helps reduce delays.
保持负责有助于减少延迟。
C1 noun /ˈævətɑːr/

avatar

阿凡达
Meaning
an icon or figure representing a person in digital contexts; in Hinduism, a divine incarnation
Example
She changed her social media avatar to a new cartoon image.
她将自己的社交媒体头像更换为新的卡通形象。
C2 noun /ˈæl.mɪ.rə/

Almirah

衣柜
Meaning
a large cupboard or wardrobe used for storing clothes and other items
Example
I keep all my clothes in the wooden almirah.
我把所有的衣服都放在木制衣橱里。
A2 adjective /əˈwɛər/

aware

意识到
Meaning
having knowledge or perception of a situation or fact
Example
She is aware of the risks involved.
她意识到其中的风险。
C2 noun /əˈsɜːrbəti/

acerbity

尖刻
Meaning
bitterness or sharpness of tone, manner, or taste
Example
The acerbity of his remarks left everyone silent.
他评论的尖刻让所有人都沉默了。
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。
C2 verb /ˈæntɪkweɪt/

antiquate

过时
Meaning
To make something old-fashioned or obsolete.
Example
The rise of digital cameras antiquated traditional film photography.
数字相机的崛起使传统胶片摄影过时。
B2 adjective /əˈlaɪd/

Allied

盟友; 联合; 关联
Meaning
joined by agreement or treaty; associated; connected
Example
The allied forces worked together during the war.
同盟军在战争期间一起工作。
C1 noun /ˈæbət/

abbot

院长
Meaning
The head of a monastery for monks.
Example
The abbot welcomed the visitors to the monastery.
院长欢迎游客来到修道院。
A2 verb /əˈraɪv/

arrive

到达
Meaning
to reach a destination; to come to a place
Example
The train will arrive at the station in ten minutes.
火车将在十分钟内到达车站。
C2 verb əˈmiːljəreɪt

ameliorate

改善, 提高
Meaning
To make better; improve or enhance something.
Example
The new policies are designed to ameliorate living conditions.
新政策旨在改善生活条件。
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。
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 /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。
C1 adjective /ˈæmərəs/

amorous

多情的
Meaning
Showing, feeling, or relating to romantic love or desire.
Example
He sent her an amorous letter filled with declarations of love.
他给她写了一封充满爱情宣言的情书。
C2 noun /əˈfleɪtəs/

afflatus

神圣的灵感
Meaning
a sudden divine inspiration or creative impulse
Example
The poet wrote the verses under a sudden afflatus of inspiration.
诗人在突然的神圣灵感下写下了诗句。
B1 noun /əˌsoʊsiˈeɪʃən/

association

协会
Meaning
an organized group of people who have joined together for a common purpose
Example
She is a member of the local teachers' association.
她是当地教师协会的成员。
C2 noun /əˈnjuː.ɪ.ti/

annuity

年金
Meaning
a fixed sum of money paid to someone each year, typically for the rest of their life
Example
She receives an annuity from her late husband's insurance policy.
她从她已故丈夫的保险政策中获得年金。
C2 noun /ˌæd.ʌmˈbreɪ.ʃən/

adumbration

模糊的预兆
Meaning
a vague foreshadowing or symbolic representation of something
Example
The play offers an adumbration of the political unrest to come.
这部剧提供了即将到来的政治动荡的模糊预兆。
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 adjective ˌæn.əlˈɪt.ɪ.kəl

analytical

分析的, 研究性的, 逻辑的
Meaning
Using or skilled in using analysis (i.e., separating a whole—intellectual or substantial—into its elemental parts or basic principles).
Example
She has an analytical approach to problem-solving.
她在解决问题时采用分析性方法。
B2 noun /ˈæməzɒn/

amazon

强大的女人
Meaning
A tall, strong, or powerful woman.
Example
She fought like an amazon in the competition.
她在比赛中像亚马逊女战士一样作战。
C1 adjective /iːsˈθɛθɪkəl/

aesthetical

美学的
Meaning
concerned with beauty or the appreciation of beauty; related to artistic taste or appearance
Example
The architect focused on the aesthetical balance of the building.
建筑师注重建筑的美学平衡。
C1 adjective /ˌeɪˈmɔːrəl/

amoral

不道德的
Meaning
Lacking a moral sense; unconcerned with rightness or wrongness of something.
Example
The character in the novel was portrayed as completely amoral.
小说中的人物被描绘成完全不道德。
A1 verb (first person singular of 'be') /æm/

am

我
Meaning
the first person singular present tense of 'be'
Example
I am happy today.
今天我很高兴。
C1 verb /əˈdʒuːdɪˌkeɪt/

adjudicate

裁定
Meaning
to make a formal judgment or decision about a problem or dispute
Example
The committee was formed to adjudicate disputes between the parties.
委员会的成立是为了裁定各方之间的争议。
C2 adjective /ɔːˈrɪfərəs/

auriferous

含金的
Meaning
Containing or producing gold.
Example
The miners discovered an auriferous vein in the mountains.
矿工在山中发现了一个含金的矿脉。
C2 adjective /əˈɡɒɡ/

agog

Meaning
Highly excited by eagerness, curiosity, or anticipation.
Example
The children were agog with excitement as they waited for the magician to appear.
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 adjective /əˈniːmɪk/

anemic

贫血
Meaning
Suffering from anemia; lacking in vitality, strength, or color.
Example
The doctor prescribed iron supplements for her anemic condition.
医生为她的贫血状态开了铁补充剂。
C2 noun /ˈæltruɪst/

altruist

利他主义者
Meaning
a person who has an unselfish concern for the welfare of others
Example
He is an altruist who always puts others' needs before his own.
他是一个总是把别人的需求放在自己之前的无私的人。
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。
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.
A1 noun /ˈɛərpleɪn/

airplane

飞机
Meaning
a powered flying vehicle with fixed wings and engines
Example
The airplane took off smoothly from the runway.
飞机平稳地从跑道上起飞。
B2 noun /ˈeɪ.prən/

apron

Meaning
A protective garment worn over the front of one's clothes to keep them clean, especially while cooking.
Example
She tied an apron around her waist before cooking dinner.
B1 adjective /əˈmjuː.zɪŋ/

Amusing

有趣的; 好笑的; 娱乐的
Meaning
causing laughter or providing entertainment; funny; enjoyable
Example
The children found the clown's performance very amusing.
孩子们觉得小丑的表演非常有趣。
B2 noun /əˈkaʊntɪŋ/

accounting

会计
Meaning
the process of recording, summarizing, and reporting financial transactions
Example
She works in the accounting department of a large firm.
她在一家大公司的会计部门工作。
B1 adverb /ˌæbsəˈluːtli/

Absolutely

完全; 彻底; 毫无例外
Meaning
completely; totally; without exception
Example
I absolutely agree with your decision.
我完全同意你的决定。
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。
C1 noun /əˈbændənmənt/

abandonment

遗弃
Meaning
the act of leaving someone or something behind completely; the state of being deserted
Example
The child suffered deep emotional pain because of abandonment.
由于被遗弃，这个孩子承受了深刻的情感痛苦。
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。
C2 noun /æmˈbroʊʒə/

ambrosia

神仙食物
Meaning
The food of the gods in classical mythology; something extremely pleasing to taste or smell.
Example
The dessert was so delicious that it tasted like ambrosia.
这个甜点太好吃了，味道像神仙食物一样。
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。
A2 conjunction /ɔːlˈðoʊ/

although

尽管
Meaning
in spite of the fact that; even though
Example
Although it was raining, they went for a walk.
尽管下雨，他们还是去散步了。
C2 adjective /ˌæntɪməˈrɪdiən/

antemeridian

中午前的时间
Meaning
Relating to the time before noon; occurring in the morning.
Example
She scheduled all her important meetings during the antemeridian hours.
她安排了所有重要的会议在中午前的时间。
B1 noun ˌɑː.tɪˈfɪʃ.əl ɪnˈtɛl.ɪ.dʒəns

artificial intelligence

人工智能
Meaning
The theory and development of computer systems able to perform tasks normally requiring human intelligence.
Example
Artificial intelligence is revolutionizing education through smart tutoring.
人工智能通过智能辅导正在革新教育。
C1 noun /əˈlʌmnəs/

alumnus

校友
Meaning
a former student or graduate of a school, college, or university
Example
He is an alumnus of Harvard University.
他是哈佛大学的校友。
C1 adverb /əˈlɜːrtli/

alertly

警觉地
Meaning
in a watchful, attentive, and quick-to-notice manner
Example
She listened alertly to every sound in the dark forest.
她在黑暗的森林里警觉地听着每一个声音。
A1 pronoun /ˈɛnɪθɪŋ/

anything

任何事物
Meaning
any object, event, or matter; whatever thing
Example
You can ask me anything about the project.
你可以问我关于项目的任何问题。
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 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 /əˈpɒstəsi/

apostasy

背教
Meaning
The abandonment or renunciation of a religious or political belief.
Example
His public apostasy shocked his followers.
他的公开背教震惊了他的追随者。