annoy
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
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。
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 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 /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。
A2 adverb /əˈkrɒs/

Across

穿越
Meaning
from one side to the other side of something; in every part of a place
Example
The bridge stretches across the river.
这座桥横跨在河流上。
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。
B2 noun /ˌɔː.θɛnˈtɪs.ə.ti/

authenticity

真实性
Meaning
The quality of being authentic; genuineness or truthfulness.
Example
The authenticity of the document was verified.
文件的真实性已被验证。
C1 noun /ˈænərki/

anarchy

无政府状态
Meaning
a state of disorder due to the absence or failure of government or authority
Example
The collapse of the regime led to anarchy in the streets.
政权崩溃导致街头的无政府状态。
C2 adjective /æbˈstiːmiəs/

abstemious

节制
Meaning
not allowing oneself much food or drink; marked by moderation
Example
She lived an abstemious life, avoiding all luxuries.
她过着节制的生活，避免所有奢侈。
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。
A2 noun /ˈæk.ʃən/

Action

行动; 活动
Meaning
the process of doing something; something that is done
Example
We need to take action to solve this problem.
我们需要采取行动来解决这个问题。
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。
C2 adjective /əˈkwɪzətɪv/

acquisitive

Meaning
excessively interested in acquiring money or material things
Example
The acquisitive businessman bought every piece of land he could find.
B2 verb əˈkwaɪər

acquire

获得
Meaning
To gain or obtain something, especially knowledge or skills, through effort or experience.
Example
Volunteers acquire new skills through their experiences.
志愿者通过他们的经验获得新技能。
A2 adverb /ˈen.i.weər/

Anywhere

任何地方
Meaning
in or to any place; wherever
Example
You can sit anywhere you like in this restaurant.
你可以在这家餐厅的任何地方坐下。
C2 noun /ˈæn.oʊd/

anode

正极
Meaning
The positive electrode in a device such as a battery, where current flows into a polarized electrical device.
Example
The anode of the battery was corroded after long use.
电池的正极在长时间使用后被腐蚀了。
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。
C2 noun /ˌɑːrtʃˈdiːkən/

archdeacon

大执事
Meaning
A senior clergyman in the Christian Church ranking below a bishop.
Example
The archdeacon assisted the bishop in administrative duties.
大执事协助主教完成行政事务。
B2 noun ˈæsɪd reɪn

acid rain

酸雨
Meaning
Rainfall made acidic by atmospheric pollution, especially from industrial emissions.
Example
Acid rain damages crops and buildings.
酸雨损害农作物和建筑物。
C1 adjective /ˌæbəˈrɪdʒənəl/

aboriginal

土著
Meaning
Relating to the original inhabitants of a region.
Example
The museum has a large collection of aboriginal art.
博物馆里有大量的土著艺术收藏。
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 adjective /ˌæntɪdəˈluːviən/

antediluvian

极为古老
Meaning
extremely old-fashioned; belonging to the time before the biblical flood
Example
His views on women are positively antediluvian.
他对女性的看法是完全过时的。
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。
C1 noun /əˈsæsɪn/

Assassin

刺客
Meaning
a person who murders an important person for political or religious reasons
Example
The president was protected from potential assassins by security guards.
总统被保安人员保护，免受潜在刺客的攻击。
C1 adjective /ˈɑːrɡjuəbl/

arguable

有争议的
Meaning
open to debate or discussion; not certain and capable of being argued for or against
Example
It is arguable that technology has improved our quality of life.
可以说，科技改善了我们的生活质量。
A2 verb /əˈtæk/

attack

攻击
Meaning
to use violence against someone; to criticize strongly
Example
The enemy forces attacked at dawn.
敌军在黎明时攻击。
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。
C1 noun /ˌɑːrbɪˈtreɪʃən/

arbitration

仲裁
Meaning
the process of resolving a dispute through an impartial third party whose decision is binding; formal judgment outside a court
Example
The contract requires arbitration to settle any disputes.
合同规定任何争议应通过仲裁解决。
C2 adjective /əˈsiːtɪk/

acetic

醋酸的
Meaning
relating to or containing acetic acid; sour or vinegary in taste or smell
Example
The acetic smell of vinegar filled the kitchen.
醋的醋酸味充满了厨房。
C2 adjective /əˈskjuː/

askew

歪斜
Meaning
Not in a straight or level position; crooked or tilted.
Example
The picture on the wall hung slightly askew.
墙上的画稍微歪斜。
C1 noun /ˌætəˈʃeɪ/

attache

外交参赞
Meaning
A person officially assigned to the staff of a diplomatic mission, often with a specific area of responsibility.
Example
The cultural attache organized an art exhibition in the embassy.
文化参赞在大使馆组织了一场艺术展览。
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。
C1 adjective /ˈæntɪkweɪtɪd/

antiquated

过时的
Meaning
Old-fashioned or outdated.
Example
The office still uses an antiquated filing system.
办公室仍在使用过时的归档系统。
B2 verb /əˈkʌmplɪʃ/

accomplish

完成
Meaning
to achieve or complete successfully
Example
She managed to accomplish all her goals for the year.
她成功地完成了今年的所有目标。
A2 noun /ˈæroʊ/

arrow

箭
Meaning
a thin, straight weapon with a pointed tip, shot from a bow
Example
The hunter shot an arrow at the target.
猎人向目标射出了一支箭。
B2 adjective, noun /ədˈvaɪzəri/

advisory

咨询性的
Meaning
(adjective) having the power to give advice but not to make sure that it is followed; (noun) an official announcement containing information or a warning
Example
The committee serves in an advisory capacity to the board of directors.
委员会在董事会中担任咨询性职能。
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。
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。
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。
B1 verb /əˈdæpt/

adapt

适应
Meaning
to adjust or change something to suit new conditions or situations
Example
He quickly adapted to the new environment.
他很快适应了新环境。
B1 adjective /ˈæn.ju.əl/

annual

年度
Meaning
happening once every year
Example
The company holds an annual meeting for all its shareholders.
公司每年为所有股东举办年度会议。
C2 adjective /ˈæfərənt/

afferent

传入
Meaning
carrying impulses toward a central organ or part, especially toward the brain or spinal cord
Example
Afferent nerves carry signals from the body to the brain.
传入神经将信号从身体传送到大脑。
B1 noun /ˈædʒɪktɪv/

adjective

形容词
Meaning
a word that describes or modifies a noun by giving more information about its quality, quantity, or state
Example
The adjective in the sentence adds more detail to the noun.
形容词为名词提供更多信息。
B2 noun /əˈsaɪləm/

asylum

庇护所
Meaning
Protection or shelter, especially given to refugees or the mentally ill.
Example
The refugees sought asylum in the neighboring country.
难民在邻国寻求庇护。
B2 adjective /əˈdʒeɪsənt/

Adjacent

邻近的
Meaning
পার্শ্ববর্তী; সংলগ্ন; নিকটবর্তী;
Example
The hotel is adjacent to the shopping mall.
酒店与购物中心相邻。
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。
C1 adjective ˌæɡrɪˈkʌltʃərəli sɪɡˈnɪfɪkənt

agriculturally significant

与农业相关的重要
Meaning
Important or crucial related to farming and agriculture
Example
Winter is agriculturally significant for crop production.
冬季对于作物生产至关重要。
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 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。
C2 verb /ˌæpərˈteɪn/

appertain

属于
Meaning
to relate to or be connected with something
Example
The rules only appertain to members of the club.
规则只适用于俱乐部的成员。
C1 noun esˈθet.ɪks

aesthetics

美学
Meaning
A set of principles concerned with the nature and appreciation of beauty, especially in art and design.
Example
Interior design focuses on aesthetics and functionality.
室内设计专注于美学和功能性。
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 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。
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 noun /ˈiːdʒɪs/

aegis

保护
Meaning
The protection, backing, or support of a particular person or organization.
Example
The project was carried out under the aegis of the United Nations.
该项目在联合国的庇护下进行。
C1 noun /ˈædʒʌŋkt/

adjunct

附加物
Meaning
a thing added to something else as a supplementary part
Example
The professor worked as an adjunct at the university.
教授在大学担任附加职位工作。
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。
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 adjective /ɑːrˈbɔːr.i.əl/

arboreal

与树相关
Meaning
Relating to trees or living in trees; tree-dwelling.
Example
Monkeys are arboreal animals that spend most of their time in trees.
猴子是树栖动物，它们大部分时间都待在树上。
B2 adjective /ˌæn.tiˈsoʊ.ʃəl/

Antisocial

反社会的；对社会秩序敌对
Meaning
avoiding social interaction; hostile to social order
Example
His antisocial behavior made it difficult for him to make friends.
他的反社会行为让他很难交到朋友。
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。
C2 adjective /ɑːrˈθʊr.i.ən/

arthurian

与亚瑟王相关的
Meaning
Relating to the legendary King Arthur and the stories surrounding him.
Example
The novel is set in an Arthurian world of knights and castles.
这部小说设定在一个亚瑟王的世界里，充满了骑士和城堡。
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。
C2 noun /ˈæntiˌkraɪst/

antichrist

敌基督
Meaning
A person regarded as the supreme opponent of Christ, often seen as a figure of ultimate evil.
Example
Some people fear the rise of an Antichrist in the future.
有些人害怕未来出现敌基督。
B2 noun /æmˈfɪbiən/

amphibian

Meaning
A cold-blooded vertebrate animal that can live both on land and in water.
Example
A frog is a common amphibian that lives both in water and on land.
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。
C2 verb /ˈæd.ʌm.breɪt/

adumbrate

预示
Meaning
to foreshadow or suggest something in an unclear or indirect way
Example
The report adumbrates future economic challenges.
报告预示着未来的经济挑战。
C1 noun /ænˈtæɡənɪzəm/

antagonism

对立
Meaning
active hostility or opposition
Example
There was clear antagonism between the two political parties.
两党之间有明显的对立。
B2 noun ɑːmd ˈkɒn.flɪkt

armed conflict

武装冲突
Meaning
A contest of armed forces; warfare between opposing military forces.
Example
Armed conflict resulted in widespread devastation.
武装冲突导致了广泛的破坏。
B2 verb əˈteɪnd

attained

获得
Meaning
Succeeded in achieving (something that one desires and has worked for); reached a specified age, size, or amount.
Example
The region attained remarkable progress.
该地区取得了显著的进展。
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 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。
B2 verb /əˈstɒnɪʃ/

astonish

使震惊
Meaning
to surprise someone greatly; to fill with sudden wonder or amazement
Example
The magician’s final trick astonished the entire audience.
魔术师的最后一个表演使所有观众感到震惊。
C2 noun ˈɔː.tɑː.ki

autarky

自给自足, 经济独立
Meaning
Economic independence or self-sufficiency; a policy of establishing a self-sufficient national economy.
Example
Some nations aim for autarky to reduce reliance on imports.
一些国家通过减少对进口的依赖，追求自给自足。
C1 noun /əˈlɜːrtnəs/

alertness

警觉性
Meaning
the state of being mentally aware and quick to notice or respond; vigilance
Example
The driver maintained a high level of alertness during the long journey.
司机在长途驾驶中保持了高度的警觉性。
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.
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。
C1 adjective /ˈæʃən/

ashen

苍白的
Meaning
Very pale in appearance, often due to shock, fear, or illness.
Example
His face turned ashen when he heard the terrible news.
当他听到可怕的消息时，他的脸变得苍白。
C2 adjective /ˈæmbjələˌtɔːri/

ambulatory

门诊病人
Meaning
Relating to or able to walk; relating to outpatient medical care.
Example
The patient is ambulatory and does not require bed rest.
病人是门诊患者，不需要卧床休息。
B1 noun /ˈæŋɡl/

angle

角度
Meaning
The space between two intersecting lines or surfaces at the point where they meet.
Example
The teacher explained how to measure an angle in geometry.
老师解释了如何在几何学中测量角度。
C1 verb /əˈbriːvieɪt/

abbreviate

缩写
Meaning
To shorten a word, phrase, or text by leaving out letters or parts.
Example
We often abbreviate 'Doctor' to 'Dr'.
我们常常把 'Doctor' 缩写成 'Dr.'。
B2 adjective + noun ˈædvɜːrs ɪˈfekts

adverse effects

不良影响
Meaning
Negative or harmful impacts that result from an action or condition.
Example
Plastic usage has adverse effects on the environment.
塑料使用对环境产生不良影响。
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 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 noun /ˈæltoʊ/

alto

高音 (成人歌唱声部)
Meaning
the second highest adult singing voice, between soprano and tenor
Example
She sang the alto part in the choir beautifully.
她在合唱团中美妙地唱着高音部分。
C2 verb əˈtɛn.ju.eɪt

attenuate

减轻
Meaning
To reduce the force, effect, or value of something; to make weak or thin.
Example
The medicine helps attenuate the pain.
这种药有助于缓解疼痛。
C1 noun /ˌænθrəˈpɒlədʒɪst/

anthropologist

人类学家
Meaning
a person who studies human societies, cultures, and their development
Example
The anthropologist spent years studying the tribal community.
人类学家花了几年时间研究部落社区。
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。
A2 adjective /ˈæfrɪkən/

african

非洲的
Meaning
relating to Africa or its people
Example
She studied African culture in university.
她在大学学习了非洲文化。
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。
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。
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。
B2 noun /əˈmɛnəti/

amenity

便利设施
Meaning
a useful or pleasant facility or feature of a place
Example
The apartment has every amenity needed for comfortable living.
公寓里有所有必要的便利设施，供舒适生活使用。
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。
C1 adjective ˈæl.ɡə.rɪ.ðəm drɪv.ən

algorithm-driven

由算法驱动。
Meaning
Controlled or powered by computer algorithms.
Example
Algorithm-driven systems increase accuracy.
算法驱动的系统提高了准确性。
A2 verb /əˈreɪndʒ/

arrange

安排
Meaning
to organize or put in order; to plan or prepare
Example
She arranged the flowers in a vase.
她把花插在花瓶里。
B2 verb /ˈælaɪ/

ally

盟友
Meaning
To unite or form a connection or partnership with another person, group, or nation.
Example
The two countries decided to ally against their common enemy.
这两个国家决定联合对抗共同的敌人。
C1 noun /ˈæbdəmən/

abdomen

腹部
Meaning
The part of the body below the chest and above the hips that contains the stomach and other organs.
Example
He complained of pain in his abdomen.
他抱怨腹部疼痛。
A2 noun /ˈeə.ri.ə/

area

Meaning
a particular region or space; the extent of a surface
Example
This area is known for its beautiful parks.
B1 noun /ˈæl.ɪ.ɡeɪ.tər/

Alligator

短吻鳄
Meaning
a large reptile similar to a crocodile but with a shorter, wider head
Example
The alligator basked in the sun on the riverbank.
短吻鳄在河岸上晒太阳。
C2 verb /ˈɔːltərˌkeɪt/

altercate

争论
Meaning
to argue or dispute angrily or noisily
Example
The neighbors began to altercate over the boundary wall.
邻居们开始争论边界墙。
C1 verb /əˈluːd/

allude

暗示
Meaning
To refer to something indirectly or casually.
Example
The professor alluded to Shakespeare during the lecture.
教授在讲座中提到了莎士比亚。
C2 noun /ˈeɪ.pi.ˌɛr.i/

apiary

蜂箱养殖场
Meaning
A place where beehives are kept, especially for commercial purposes.
Example
The farmer built a new apiary to produce organic honey.
农民建造了一个新的蜂箱养殖场，以生产有机蜂蜜。
B2 adverb /ˌæksɪˈdɛntəli/

accidentally

偶然地
Meaning
happening by chance or unexpectedly
Example
He accidentally dropped the glass.
他不小心把玻璃杯打翻了。
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 /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。
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。
B1 noun, adjective, gerund /ˈæk.tɪŋ/

acting

表演
Meaning
the art or profession of performing in plays, films, or television; temporary performance of duties; the process of performing an action
Example
She is studying acting to become a professional actress.
她正在学习表演，想成为一名专业演员。
B2 noun ˌæn.tiˈɒk.sɪ.dənt

antioxidant

抗氧化剂
Meaning
A substance that may prevent or delay some types of cell damage by neutralizing free radicals.
Example
Green tea contains powerful antioxidants that slow aging.
绿茶含有强效的抗氧化剂，可以减缓衰老。
C2 noun /əˈdʌltərənt/

adulterant

掺假物质
Meaning
a substance added to something else, often food or drink, to reduce its quality or strength
Example
The laboratory found an adulterant in the milk samples.
实验室在牛奶样本中发现了掺假物质。
A1 adverb /əˈɡoʊ/

ago

以前
Meaning
Used to indicate how long before the present something happened.
Example
I met her two years ago.
我在两年前见过她。
B2 adjective /əˈbʌndənt/

abundant

丰富
Meaning
existing or available in large quantities; plentiful
Example
The garden was abundant with colorful flowers.
花园里有五彩缤纷的花朵。
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。
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.
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 /ˈænərkɪst/

anarchist

无政府主义者
Meaning
a person who believes in or promotes the absence of government or authority
Example
The anarchist group protested against state control.
无政府主义者团体反对国家控制。
B2 verb ədˈhɪər

adhere

附着
Meaning
To stick firmly to something or stay attached.
Example
Neutrons adhere to protons.
中子附着在质子上。
B2 verb /əˈkʌmpəni/

accompany

陪伴
Meaning
to go somewhere with someone as a companion or escort
Example
She asked her friend to accompany her to the concert.
她请她的朋友陪她一起去音乐会。
B2 adjective /əkˈsel.ə.reɪ.tɪd/

accelerated

加速的
Meaning
Happening or developing faster than usual.
Example
The project progressed at an accelerated pace.
该项目以加速的速度推进。
C2 noun /əˈɡrɒnəmi/

agronomy

农业学
Meaning
The science and practice of soil management and crop production, focusing on the principles of plant and soil science to optimize agricultural productivity.
Example
Agronomy focuses on soil management and crop production.
农业学专注于土壤管理和作物生产。
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。