alluvium
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C2 noun /əˈluː.vi.əm/

alluvium

冲积土
Meaning
Fertile soil deposited by flowing water, especially in riverbanks.
Example
The alluvium in riverbanks is highly fertile for agriculture.
河岸上的冲积土对农业非常肥沃。
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 /ˈeɪ.prɪ.kɒt/

Apricot

杏子
Meaning
a small orange-colored fruit with a soft skin and sweet flesh
Example
The apricot tree produces sweet fruit in summer.
杏树在夏天结出甜美的果实。
B1 noun /əˈtæʧmənt/

attachment

依附
Meaning
a strong feeling of affection or connection
Example
The attachment he felt to his hometown was undeniable.
他对家乡的依附感是不可否认的。
B2 noun /əˈstrɒlədʒi/

astrology

占星术
Meaning
the study of the movements and relative positions of celestial bodies interpreted as having an influence on human affairs
Example
She studied astrology to understand her future.
她学习占星术来了解她的未来。
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 noun /əˈkædəmi/

academy

学院
Meaning
an institution of learning or training
Example
He enrolled in a military academy.
他报考了军事学院。
B2 verb /əˈkweɪnt/

acquaint

使熟悉
Meaning
to make someone familiar with something; to inform or introduce
Example
Please acquaint yourself with the safety guidelines before operating the machine.
请在操作机器前，熟悉安全指导原则。
B1 verb /ədˈvaɪz/

advise

建议
Meaning
to recommend what should be done; to give advice
Example
The doctor advised him to rest for a week.
医生建议他休息一周。
C2 noun /ˈɑːriə/

aria

独唱曲
Meaning
a solo vocal piece with instrumental accompaniment, typically in an opera
Example
The soprano performed a moving aria during the second act.
女高音在第二幕演唱了一首感人的阿丽娅。
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 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。
C2 verb /əˈbʌt/

abut

相邻
Meaning
to be next to or share a border with
Example
The park abuts the river on the north side.
公园在北边与河流接壤。
A2 adjective /ˈɔːfəl/

awful

糟糕
Meaning
very bad or unpleasant
Example
The weather was awful during our trip.
我们旅行时天气很糟糕。
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 /ˌæktɪˈveɪʃən/

activation

激活
Meaning
the act of making something start functioning
Example
The activation of the system took longer than expected.
系统的激活比预期的时间更长。
B2 noun /əˈstɒnɪʃmənt/

astonishment

惊讶
Meaning
Great surprise or amazement.
Example
She looked at the magician with astonishment.
她带着惊讶看着魔术师。
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。
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 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 noun /əˈkriːʃən/

accretion

积累
Meaning
The process of growth or increase, typically by the gradual accumulation of additional layers or matter.
Example
The accretion of wealth allowed him to invest in various projects.
财富的积累使他能够投资于各种项目。
B1 noun ɔːˈθɒrəti

authority

权威
Meaning
The power or right to give orders, make decisions, and enforce obedience; a person or organization having power or control.
Example
Regional authority was emphasized.
区域授权得到了强调。
A2 adjective /əˈnɔɪd/

annoyed

恼火的
Meaning
feeling slightly angry or irritated
Example
She felt annoyed by the constant noise.
她对持续的噪音感到恼火。
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。
B1 noun /əˈkaʊnt/

Account

账户
Meaning
a record of money received and paid out; a report or description of an event
Example
She opened a savings account at the bank.
她在银行开设了一个储蓄账户。
C1 noun /ˌæntiˈklaɪmæks/

anticlimax

反高潮
Meaning
A disappointing end after a big build-up of excitement or expectation.
Example
The movie's ending was an anticlimax after such a thrilling story.
电影的结局是一个反高潮，在如此激动人心的故事之后。
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 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。
C2 adjective/adverb /ˌæ.prəˈpoʊ/

apropos

恰当
Meaning
Appropriate to the situation; relevant. As an adverb, it means 'with reference to' or 'regarding'.
Example
His comments were not apropos of the discussion.
他的评论与讨论无关。
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。
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 /ˈɔːkʃən/

Auction

拍卖
Meaning
a public sale in which goods or property are sold to the highest bidder
Example
The antique furniture was sold at an auction last weekend.
古董家具在上周末的拍卖会上售出。
A2 noun /ədˈvæn.tɪdʒ/

Advantage

优势; 利益
Meaning
a condition or circumstance that puts one in a favorable position; a benefit
Example
Having a college degree gives you an advantage in the job market.
拥有大学学位可以在就业市场上为您提供优势。
C2 noun /əkˈsɛʃən/

accession

登基 / 接受协议
Meaning
the attainment of a position of rank or power, especially a monarch or president; the formal acceptance of an agreement or treaty
Example
The king's accession to the throne was celebrated with great ceremony.
国王登基的仪式盛大举行。
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 noun /əˈkʌmpənɪst/

accompanist

伴奏者
Meaning
A person who plays a musical instrument to support a singer or another musician.
Example
The pianist served as the accompanist for the singer during the concert.
钢琴家在音乐会上充当了歌手的伴奏者。
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。
C1 noun /ˌæbəˈrɪdʒəniːz/

aborigines

土著
Meaning
The original inhabitants of a land, especially in Australia.
Example
The aborigines have preserved their traditions for thousands of years.
土著人已经保护了他们的传统数千年。
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。
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。
C1 noun /əˈkuːstɪks/

acoustics

声学
Meaning
the science of sound, or the properties of a space that affect how sound is heard
Example
The hall’s excellent acoustics made the orchestra sound rich and clear.
大厅的优良声学效果让管弦乐团的声音丰富而清晰。
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。
A2 noun /ˈɑːrtɪkl/

article

文章
Meaning
a piece of writing included in a newspaper, magazine, or journal
Example
He wrote an article about climate change.
他写了一篇关于气候变化的文章。
C2 verb /ˈæntɪdeɪt/

antedate

提前
Meaning
to be earlier in time; to assign a date earlier than the actual one
Example
The manuscript antedates the modern printing press.
手稿比现代印刷机更早。
C1 verb /əˈlʊər/

allure

吸引
Meaning
to attract or tempt someone with something desirable; to entice
Example
The beautiful garden allured visitors from far away.
美丽的花园吸引了远处的游客。
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。
A2 adjective ˈæv.ər.ɪdʒ

average

平均
Meaning
A number expressing the central or typical value in a set of data; constituting the result obtained by adding together several amounts and then dividing this total by the number of amounts.
Example
The average score reflects overall performance.
平均分数反映了整体表现。
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。
B2 noun əˈsʌmp.ʃənz

assumptions

假设
Meaning
Things that are accepted as true or certain to happen, without proof.
Example
His assumptions about the project were completely wrong.
他对项目的假设完全错误。
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。
C2 verb /əˈɡræn.daɪz/

aggrandize

扩大
Meaning
To increase the power, wealth, or importance of a person or entity.
Example
The politician tried to aggrandize himself through exaggerated claims.
政治家试图通过夸张的说法来扩大自己的权力。
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。
C1 verb /əˈbaʊnd/

abound

充满
Meaning
To exist in large numbers or amounts.
Example
Opportunities abound in the field of technology.
在技术领域，机会比比皆是。
B2 adjective/verb /əˈprɒksɪmət/

approximate

大约的
Meaning
close to the actual but not exact; to estimate or calculate roughly
Example
The cost is approximate and may change later.
这个成本是大约的，之后可能会改变。
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。
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。
B2 adjective /ˌædvənˈteɪdʒəs/

Advantageous

有利的; 有益的; 有利润的
Meaning
beneficial; favorable; profitable
Example
This position offers advantageous opportunities for career growth.
这个职位为职业发展提供了有利的机会。
B1 noun /əˈdʒen.də/

Agenda

议程
Meaning
a list of items to be discussed at a meeting; a plan of action
Example
The meeting agenda includes budget discussions.
会议议程包括预算讨论。
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, verb, adjective /ˈæɡ.rɪ.ɡət/ (noun/adjective), /ˈæɡ.rɪ.ɡeɪt/ (verb)

aggregate

聚合, 总体
Meaning
A whole formed by combining several elements; to combine into a total.
Example
The data was aggregated to provide a clearer picture of the market.
数据已被聚合，以提供市场的更清晰图像。
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。
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 noun /ˈɑː.kɪ.tekt/

architect

建筑师
Meaning
a person who designs buildings and oversees their construction
Example
The architect designed a modern office building.
建筑师设计了一座现代的办公楼。
B2 noun /ˌæbəˈlɪʃən/

abolition

废除
Meaning
the act of formally ending or eliminating a system, practice, or institution
Example
The abolition of slavery was a major milestone in human rights history.
废除奴隶制是人权历史上的一个重要里程碑。
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。
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。
B2 noun /əˌdæptəˈbɪləti/

adaptability

适应性
Meaning
The quality of being able to adjust to new conditions or circumstances
Example
Adaptability to changing environments is crucial in business.
适应不断变化的环境在商业中至关重要。
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 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。
C2 noun /əˈvɪdəti/

avidity

热情
Meaning
extreme eagerness or enthusiasm
Example
He accepted the offer with avidity.
他带着热情接受了这个提议。
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 verb /əˈseɪl/

assail

攻击
Meaning
to attack violently, either physically or with words
Example
The politician was assailed with difficult questions.
政治家遭遇了困难的问题。
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。
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 /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 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。
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。
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。
B1 noun /ɑːrmz/

Arms

武器
Meaning
weapons and ammunition; firearms
Example
The soldiers carried their arms into battle.
士兵们带着他们的武器进入战斗。
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 adverb /ˈæmpli/

amply

丰盛地
Meaning
more than sufficiently; generously
Example
She was amply rewarded for her hard work.
她因努力工作而得到了丰厚的奖励。
C2 noun /əˈdɛpt.nəs/

adeptness

熟练和技巧
Meaning
Skill and dexterity in a task.
Example
His adeptness in negotiations helped close the deal successfully.
他在谈判中的熟练帮助成功地完成了交易。
C1 adjective /æmˈfɪb.i.əs/

Amphibious

两栖动物
Meaning
able to live both on land and in water; suitable for both land and water operations
Example
The amphibious vehicle can travel on both land and water.
两栖车能够在陆地和水中行驶。
A2 adverb /ˈæktʃuəli/

actually

实际上
Meaning
used to emphasize that something is true, especially when surprising
Example
She actually completed the project ahead of schedule.
她实际上提前完成了这个项目。
C2 noun /ˈæsɪˌteɪt/

acetate

醋酸盐
Meaning
a salt or ester of acetic acid; a synthetic material used in textiles and film
Example
The company produces acetate fibers for clothing.
该公司生产用于服装的醋酸纤维。
B2 noun /əˈroʊmə/

aroma

香味
Meaning
A pleasant, distinctive smell.
Example
The aroma of freshly baked bread filled the kitchen.
新鲜烤制的面包的香味弥漫在厨房里。
C2 noun /ˈeɪʒən swɒmp iːl/

Asian swamp eel

亚洲沼泽鳗
Meaning
a snake-like freshwater fish that can survive in muddy waters and is considered a delicacy in South Asian cuisine
Example
Asian swamp eel can breathe air and survive in shallow muddy waters.
亚洲沼泽鳗能呼吸空气并在浑浊的浅水中生存。
C2 adjective /ədˈmɒnɪtəri/

admonitory

警告的
Meaning
giving or conveying a warning or reprimand
Example
She gave him an admonitory glance.
她投给他一个警告的眼神。
C1 adjective /ˈækʃənəbl̩/

actionable

可执行的
Meaning
Able to be acted on or giving sufficient reason for legal action.
Example
The lawyer confirmed that the evidence was actionable in court.
律师确认证据在法庭上是可执行的。
C2 adjective /ˈæpəzɪt/

apposite

恰当
Meaning
highly appropriate or relevant to what is being discussed
Example
Her remark was particularly apposite to the situation.
她的评论对于这个情况特别恰当。
A1 pronoun /ˈɛniˌbɒdi/

anybody

任何人
Meaning
any person; anyone
Example
Anybody can join the club.
任何人都可以加入俱乐部。
B2 conjunction /ˌɔːlˈbiː.ɪt/

albeit

尽管
Meaning
Although; even though.
Example
He finally agreed, albeit reluctantly.
他最终同意了，尽管不情愿。
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。
B1 adverb /əˈprɒk.sɪ.mət.li/

approximately

大约
Meaning
used to show that something is almost, but not completely, accurate or exact
Example
The journey takes approximately three hours.
这次旅行大约需要三小时。
C2 noun /ˈeə.rəm/

Arum

阿罗姆
Meaning
a plant with large arrow-shaped leaves and a white spathe, also known as taro
Example
Arum leaves are commonly used in Bengali cuisine for cooking.
阿罗姆叶子常用于印度菜肴中进行烹饪。
B1 noun /ˈɛər.kræft/

aircraft

飞机
Meaning
A vehicle, such as an airplane or helicopter, that can fly in the air.
Example
The military aircraft flew over the city.
军用飞机飞越了城市。
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。
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。
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。
B2 noun /əˈdʒʌstmənt/

adjustment

Meaning
a small change made to improve something or make it work better
Example
The doctor made an adjustment to the patient’s medication.
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 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。
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。
B2 adverb /ˈænjuəli/

annually

每年一次
Meaning
once every year; yearly
Example
The company holds a general meeting annually.
公司每年举行一次全体会议。
B2 noun ˈæmbɪəns

ambience

氛围
Meaning
The character and atmosphere of a place.
Example
The restaurant's ambience was relaxed and inviting, perfect for a casual dinner.
餐厅的氛围轻松而宜人，非常适合休闲晚餐。
C2 adjective /ˈæməˌtɔːri/

amatory

与爱相关的
Meaning
Relating to or expressing sexual love.
Example
The poet’s verses were filled with amatory themes.
诗人的诗句充满了爱情主题。
B2 noun /ɔː/

awe

惊叹
Meaning
a feeling of deep respect mixed with fear or wonder
Example
The children looked at the fireworks in awe.
孩子们惊讶地看着烟花。
C1 verb /əˈkwɪt/

acquit

宣告无罪
Meaning
to declare someone not guilty of a criminal charge; to conduct oneself in a specified way
Example
The jury decided to acquit the defendant of all charges.
陪审团决定将被告从所有指控中无罪释放。
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。
C2 noun /ˈænθrəsaɪt/

anthracite

硬煤
Meaning
A hard, shiny form of coal that burns with little smoke and a high heat value.
Example
The factory used anthracite as its primary fuel source.
工厂使用海棉石作为主要燃料来源。
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。
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 /ˈærəɡənt/

Arrogant

傲慢; 自大
Meaning
having an exaggerated sense of one's importance; proud
Example
His arrogant behavior made him very unpopular.
他傲慢的行为让他变得非常不受欢迎。
B1 noun əˈses.mənt

assessment

评估
Meaning
The evaluation or estimation of the nature, quality, or ability of someone or something.
Example
The assessment process ensures fairness.
评估过程确保公平。
B1 noun /ˈeɪ.dʒən.si/

Agency

代理机构; 代理人办公室
Meaning
a business or organization that provides a particular service
Example
She works for a travel agency downtown.
她在市中心的旅行社工作。
C2 noun /ˈæmɪti/

amity

友谊
Meaning
A friendly relationship between people or countries.
Example
The treaty helped maintain amity between the neighboring nations.
该条约帮助维护邻国之间的友好关系。
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。
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。
C2 noun (plural) /ˈɔːspɪsɪz/

auspices

庇护
Meaning
Patronage, support, or guidance, often used in the phrase 'under the auspices of'.
Example
The conference was held under the auspices of the United Nations.
会议在联合国的支持下举行。
B2 noun /əˈstrɒnəmər/

astronomer

天文学家
Meaning
a scientist who studies the stars, planets, and the universe
Example
The astronomer observed the new comet through his telescope.
天文学家通过他的望远镜观察到新的彗星。
C2 adjective /əˈluːsɪv/

allusive

含蓄的
Meaning
Making indirect references or hints; suggestive without being explicit.
Example
The novel is full of allusive passages that point to classical literature.
这本小说充满了含蓄的段落，指向经典文学。