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 noun /ˈɔːltər/

Altar

祭坛

Meaning

a raised structure on which offerings or sacrifices are made to a deity

Example

The bride and groom stood before the altar during the ceremony.

新郎和新娘在仪式中站在祭坛前。

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。

B2 noun ˈæɡ.rɪ.kʌl.tʃɚ

agriculture

农业

Meaning

The science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.

Example

Sustainable agriculture can help protect the environment.

可持续农业可以帮助保护环境。

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。

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。

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。

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 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 ˌæd.æpˈteɪ.ʃən

adaptation

适应

Meaning

The action or process of adapting or being adapted.

Example

Adaptation to climate change is critical for resilience.

适应气候变化对于韧性至关重要。

B2 adverb /əˈfek.ʃən.ət.li/

Affectionately

亲切地

Meaning

in a way that shows feelings of liking or love; with fondness and care

Example

She hugged her grandmother affectionately.

她温柔地拥抱了她的祖母。

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 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。

B2 noun/verb /ɔːˈdɪʃən/

audition

试镜

Meaning

A trial performance by an actor, singer, or musician to demonstrate suitability for a role.

Example

She auditioned for the lead role in the school play.

她为学校的主角试镜。

B2 adjective /ˈænɪmeɪtɪd/

animated

动画的

Meaning

Full of life or excitement; made using animation techniques.

Example

The animated film was loved by children and adults alike.

这部动画电影受到儿童和成人的喜爱。

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。

B2 noun əˈmendmənt

amendment

修正案

Meaning

A minor change in a document.

Example

The amendment was not supported.

该修正案没有获得支持。

B2 noun, verb /ˈævəlæntʃ/

avalanche

Meaning

(noun) a mass of snow, ice, and rocks falling rapidly down a mountainside; a sudden overwhelming quantity; (verb) to descend like an avalanche

Example

The avalanche buried the mountain road under tons of snow.

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 /eɪd/

aide

助手

Meaning

An assistant or helper, especially to an important person.

Example

The senator’s aide organized the meeting with journalists.

参议员的助手组织了与记者的会议。

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。

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。

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。

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。

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。

B2 noun /ˈæsɪd/

acid

酸

Meaning

a chemical substance that reacts with bases and has a sour taste

Example

Lemons contain citric acid.

柠檬含有柠檬酸。

B2 noun /ˈɑːr.mər/

Armour

盔甲

Meaning

protective covering worn by soldiers; metal plating for military vehicles

Example

The knight wore heavy armour to protect himself in battle.

骑士穿着沉重的盔甲以保护自己在战斗中。

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 ˈæt.rɪ.bjuːt

attribute

属性

Meaning

A quality or feature regarded as a characteristic or inherent part of someone or something.

Example

An important attribute of wood is its flexibility.

木材的一个重要属性是它的灵活性。

B2 adjective /əˈdʒʌstəbəl/

Adjustable

可调节的; 可修改的; 可调整的;

Meaning

নিয়মযোগ্য; পরিবর্তন-সাধ্য; সমন্বয়যোগ্য;

Example

This chair has an adjustable height feature.

这把椅子有可调节的高度。

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。

B2 adjective ˌæn.tiˌdɪs.krɪˈmɪn.eɪ.ʃən

anti-discrimination

反歧视的

Meaning

Opposed to or working against discrimination; promoting equal treatment regardless of differences.

Example

The anti-discrimination movement was groundbreaking.

反歧视运动是突破性的。

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 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。

B2 noun /ˈæbi/

abbey

修道院

Meaning

A large church building or monastery where monks or nuns live, work, and worship.

Example

The old abbey on the hill attracts many tourists each year.

山上的老修道院每年吸引着许多游客。

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。

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。

B2 noun /əˈkʌmplɪʃmənt/

accomplishment

成就

Meaning

something that has been achieved successfully

Example

Graduating from university was a major accomplishment for him.

大学毕业对他来说是一个重大的成就。

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。

B2 adjective /əˈlɛdʒd/

alleged

涉嫌的

Meaning

said or thought to be true, but not proven

Example

The alleged thief was caught by the police.

涉嫌的窃贼被警方抓获。

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。

B2 noun ədˈvɜː.sɪ.ti

adversity

逆境

Meaning

Difficulties; misfortune; a difficult or unpleasant situation.

Example

He remained strong in the face of adversity.

他在逆境中保持坚强。

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。

B2 adverb /ˈæktɪvli/

actively

积极地

Meaning

in a way that involves energetic participation or effort

Example

He is actively involved in community service.

他积极参与社区服务。

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 noun /eɪk/

Ache

疼痛

Meaning

a continuous or prolonged dull pain in a part of one's body

Example

He had a terrible headache after working late.

他在工作到很晚后感到剧烈的头痛。

B2 adjective /ˌærəˈmætɪk/

aromatic

芳香的

Meaning

Having a pleasant and distinctive smell.

Example

The chef used aromatic herbs to flavor the dish.

厨师使用芳香的草药来调味这道菜。

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。

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。

B2 verb /əˈraɪz/

arise

出现

Meaning

to begin to exist or to happen

Example

Problems may arise if you don't plan ahead.

如果你没有提前计划，问题可能会出现。

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。

B2 adjective /əˈstɒnɪʃt/

astonished

震惊的

Meaning

feeling very surprised or amazed

Example

She was astonished by the magician's incredible trick.

她被魔术师不可思议的把戏震惊了。

B2 verb /əˈsaɪn/

assign

分配

Meaning

to give someone a task, duty, or responsibility

Example

The manager will assign tasks to the new employees.

经理将给新员工分配任务。

B2 adjective /əˈnɒn.ɪ.məs/

Anonymous

匿名的; 无名的

Meaning

having an unknown name or identity; nameless

Example

The author published the book under an anonymous pseudonym.

作者以匿名的笔名出版了这本书。

B2 noun ədˈvɑːns.mənt

advancement

进步

Meaning

The process of promoting or moving forward; development or improvement in a particular area.

Example

Technological advancement shapes the future.

技术进步塑造了未来。

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。

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 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 adverb /ˈæk.jə.rət.li/

Accurately

准确地，毫无错误地，正确地

Meaning

in an exact way, without any mistakes; precisely; correctly

Example

She accurately predicted the outcome of the election.

她准确地预测了选举结果。

B2 noun (plural) /ˈɑːrtɪˌfæks/

artifacts

文物

Meaning

objects made by humans, often of historical or cultural importance

Example

Archaeologists discovered valuable artifacts in the ruins.

考古学家在废墟中发现了宝贵的文物。

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。

B2 noun /əkˌseləˈreɪʃən/

acceleration

加速度

Meaning

the rate at which velocity changes over time; the act of speeding up

Example

The car showed rapid acceleration as it entered the highway.

汽车在进入高速公路时表现出快速的加速度。

B2 noun /ˈeɪlmənt/

ailment

疾病

Meaning

An illness, typically a minor one.

Example

He went to the doctor for a minor stomach ailment.

他因小的胃病去看了医生。

B2 adjective /ˌæksɪˈdɛntl/

accidental

偶然的

Meaning

happening by chance, unintentionally

Example

The fire was caused by an accidental spark.

火灾是由偶然的火花引起的。

B2 verb /əˈvɜːrt/

avert

避免

Meaning

to prevent something bad from happening or to turn away one's eyes or thoughts

Example

Quick action helped avert a disaster.

快速的行动帮助避免了灾难。

B2 verb /ədˈmɪnɪstər/

administer

管理

Meaning

to manage or control the running of; to give or apply medicine or treatment

Example

The nurse will administer the vaccine to all patients.

护士将为所有病人接种疫苗。

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。

B2 noun ɔːˈtɒnəmi

autonomy

自治

Meaning

The right or condition of self-government; freedom from external control or influence.

Example

Autonomy was a primary demand.

自治是一个主要的要求。

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。

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。

B2 verb /əˈstaʊnd/

astound

使震惊

Meaning

to greatly surprise or amaze someone

Example

The magician's final trick astounded the audience.

魔术师的最后一个把戏使观众震惊。

B2 noun /ˈæŋkər/

Anchor

锚

Meaning

a heavy object used to moor a vessel to the sea bottom; a person or thing that provides stability or confidence

Example

The ship dropped its anchor in the harbor.

船只在港口投下了锚。

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 /əˈkɔːrdəns/

accordance

一致

Meaning

agreement or harmony with something; compliance with rules, laws, or wishes

Example

The policy was implemented in accordance with international law.

该政策是按照国际法实施的。

B2 noun /əˈdɪkʃən/

addiction

上瘾

Meaning

A strong and harmful need to regularly have or do something, such as drugs, alcohol, or habits.

Example

His addiction to video games affected his studies.

他对视频游戏的上瘾影响了他的学习。

B2 noun /ˈɑː.mənd/

Almond

杏仁

Meaning

edible seed of the almond tree

Example

Almonds are a healthy snack rich in protein and good fats.

杏仁是一种健康的零食，富含蛋白质和健康脂肪。

B2 noun, verb /əˈsɔːlt/

assault

攻击

Meaning

a physical attack or to attack someone violently

Example

He was charged with assault after the fight.

他在打斗后因袭击被指控。

B2 adjective; verb (past/participle) /əˈʃʊrd/

assured

确信的；有把握的

Meaning

confident and certain; guaranteed or made certain

Example

She felt assured that everything would work out.

她确信一切都会顺利。

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。

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。

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。

B2 noun /ˈæktɪvɪst/

activist

活动家

Meaning

A person who works to bring about social or political change.

Example

The activist organized a protest against pollution.

活动家组织了针对污染的抗议活动。

B2 noun ˈæt.rɪ.bjuːts

attributes

属性

Meaning

A quality or feature regarded as a characteristic or inherent part of someone or something.

Example

Advanced crops possess beneficial attributes.

先进的作物具有有益的属性。

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。

B2 adverb /əˈlɛdʒɪdli/

allegedly

据称

Meaning

used to say that something is claimed to be true, though not proven

Example

He was allegedly involved in the robbery.

他据称参与了抢劫。

B2 noun /ˈeɪkər/

acre

Meaning

a unit of land area equal to 4,840 square yards (about 4,047 square meters)

Example

The farmer owns five acres of fertile land.

B2 verb /ænˈtɪsɪˌpeɪt/

anticipate

预期

Meaning

to expect or look forward to something; to realize or foresee in advance

Example

We anticipate a large crowd at the event.

我们预期活动中会有大量人群。

B2 adverb /ˈæŋkʃəsli/

anxiously

焦急地

Meaning

in a worried, nervous, or uneasy manner; with anxious anticipation

Example

She waited anxiously for the exam results.

她焦急地等待考试结果。

B2 adjective əˈstɒnɪʃɪŋ

astonishing

惊人

Meaning

Extremely surprising or impressive; amazing.

Example

The astonishing discovery changed the way we view the universe.

这个惊人的发现改变了我们看待宇宙的方式。

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 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。

B2 adjective /ˈæbsəluːt/

absolute

绝对

Meaning

total, complete, or without restriction

Example

The dictator had absolute power over the nation.

独裁者拥有对国家的绝对权力。

B2 verb /əˈveɪl/

avail

利用

Meaning

to make use of something; to be of use or benefit

Example

You should avail yourself of this opportunity.

你应该利用这个机会。

B2 noun /æs/

Ass

驴

Meaning

a donkey; a small domesticated animal of the horse family

Example

The farmer used an ass to carry heavy loads.

农夫用驴子搬运沉重的货物。

B2 noun /ˈæɡ.ə.ni/

Agony

极度的身体或精神痛苦；剧烈的疼痛

Meaning

extreme physical or mental suffering; intense pain

Example

He was in agony after the accident.

事故后他痛苦不堪。

B2 noun /əkˈnɒlɪdʒmənt/

acknowledgment

承认

Meaning

the act of accepting, admitting, or recognizing something

Example

He received an acknowledgment of his application.

他收到了他申请的承认。

B2 noun, verb /ˈædɪkt/ (noun), /əˈdɪkt/ (verb)

addict

成瘾者

Meaning

a person who is unable to stop using a harmful substance or doing something harmful; to cause someone to become dependent on something

Example

He is a video game addict who spends hours playing every day.

他是一个视频游戏上瘾者，每天花几个小时玩游戏。

B2 noun /əˈsɛnt/

ascent

Meaning

The act of rising or climbing to a higher position or level.

Example

The climbers began their ascent to the mountain peak at dawn.

B2 noun, verb /ˈɑːrkaɪv/

abusive

侮辱性的 / 造成身体或口头伤害

Meaning

extremely offensive or insulting; involving physical or verbal harm

Example

She left her job because of her abusive boss.

她因为她那位虐待的老板而离开了工作。

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 adjective /əˈkuːstɪk/

acoustic

Meaning

relating to sound or the sense of hearing; not amplified by electrical means

Example

We recorded an acoustic version of the song in a quiet room.

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。

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。

B2 noun /ˌæn.ɪˈmeɪ.ʃən/

Animation

动画

Meaning

the technique of making inanimate objects appear to move; liveliness and enthusiasm

Example

The animation in this movie is incredibly detailed.

这部电影的动画非常细致。

B2 verb /ˈɔː.tə.meɪt/

automate

自动化

Meaning

To make a process or system operate automatically by means of machines or computers.

Example

Many companies automate their processes to save time.

许多公司自动化其流程以节省时间。

B2 adjective /əbˈsɜːrd/

absurd

荒谬的, 不合理的

Meaning

wildly unreasonable, illogical, or inappropriate

Example

It is absurd to think that the earth is flat.

认为地球是平的，这太荒谬了。

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。

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 /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 /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。

B2 noun /əkˈnɒlɪdʒmənt/

acknowledgement

确认

Meaning

the act of recognizing or accepting something as true or valid; an expression of gratitude or recognition

Example

She received an acknowledgement for her contribution to the project.

她因对该项目的贡献而获得确认。

B2 noun /əˌbriːviˈeɪʃən/

abbreviation

缩写

Meaning

a shortened form of a word or phrase

Example

NASA is an abbreviation for National Aeronautics and Space Administration.

NASA 是 National Aeronautics and Space Administration 的缩写。

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.

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 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 adjective /əˈbrʌpt/

abrupt

突然

Meaning

Sudden or unexpected, often without warning.

Example

The car came to an abrupt stop in the middle of the road.

汽车在路中间急停。

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。

B2 adverb /ˌɑːrtɪˈfɪʃəli/

Artificially

人工地;

Meaning

by artificial means; not naturally; in a fake manner

Example

The lake was artificially created for irrigation purposes.

湖泊是人工创建的，旨在灌溉。

B2 noun /ˈæltɪtuːd/

altitude

高度

Meaning

the height of an object or point in relation to sea level or ground level

Example

The airplane is flying at an altitude of 30,000 feet.

飞机以30,000英尺的高度飞行。

B2 verb, noun, adjective /ˈɔːltərnət/ (adj, noun), /ˈɔːltərˌneɪt/ (verb)

alternate

交替，替代

Meaning

to occur in turn repeatedly; to take turns; also, a substitute or replacement

Example

The students alternate between online and offline classes.

学生们在在线和离线课程之间轮流上课。