adhesion
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C1 noun /ədˈhiːʒən/

adhesion

附着
Meaning
the process or state of sticking to something
Example
Strong adhesion is needed for the tiles to stay in place.
瓷砖保持在原位需要强附着力。
C1 noun /ˈæd.və.ser.i/

adversary

对手
Meaning
One's opponent in a contest, conflict, or dispute.
Example
The boxer faced a strong adversary in the ring.
拳击手在擂台上面对一个强大的对手。
C1 adjective /ˈænsɪləri/

ancillary

附属的
Meaning
providing necessary support to the main system or organization
Example
The company provides ancillary services to the healthcare industry.
公司为医疗行业提供附加服务。
C1 noun /ˈeɪ.peks/

apex

巅峰, 顶点
Meaning
The highest point or peak of something; the top or summit.
Example
He reached the apex of his career.
他达到了自己事业的巅峰。
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 /ˈɑːtfəl/

Artful

巧妙的; 机智的; 狡猾的
Meaning
clever or skillful, especially in a cunning way
Example
She gave an artful answer that avoided the real question.
她给出了一个巧妙的回答，避开了真正的问题。
C1 noun ˈæltruɪzəm

altruism

利他主义, 无私地关心他人福祉
Meaning
The belief in or practice of disinterested and selfless concern for the well-being of others.
Example
His altruism motivated others to volunteer.
他的利他主义激励其他人去做志愿者。
C1 noun /aɪ/

aye

赞成
Meaning
an affirmative vote or expression of agreement
Example
The committee voted aye on the proposal.
委员会在提案上投了赞成票。
C1 noun /ˈæntɪˌdoʊt/

antidote

解毒药
Meaning
A substance that neutralizes the effects of a poison; something that relieves or counteracts.
Example
The doctor quickly administered an antidote to the snake venom.
医生迅速给蛇毒注射了解毒药。
C1 adjective /ˌæl.truˈɪs.tɪk/

altruistic

利他主义
Meaning
Showing a disinterested and selfless concern for the well-being of others.
Example
Her altruistic nature led her to volunteer for charities.
她的利他主义本性促使她为慈善事业做志愿者工作。
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。
C1 noun /əˈdʒɪl.ɪ.ti/

agility

灵活性
Meaning
Ability to work quickly and easily, both physically and mentally.
Example
Mental agility is essential for problem-solving.
思维敏捷对解决问题至关重要。
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。
C1 verb /əˈvɛndʒ/

avenge

报仇
Meaning
to inflict harm in return for an injury or wrong done to oneself or another
Example
He vowed to avenge his brother's death.
他发誓为自己兄弟的死亡报仇。
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。
C1 noun /ˈæmpɛər/

ampere

安培
Meaning
A unit of electric current in the International System of Units (SI), symbolized as A.
Example
The current flowing through the wire is measured in amperes.
流经电线的电流以安培为单位进行测量。
C1 noun /ˌænɛkˈseɪʃən/

annexation

吞并
Meaning
the act of adding or taking control of territory or property, especially by a state
Example
The annexation of the region led to international condemnation.
该地区的吞并引发了国际谴责。
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 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。
C1 adjective /ɔːˈtɒn.ə.məs/

autonomous

自主
Meaning
Acting independently or having the freedom to do so.
Example
Autonomous systems ensure greater precision.
自主系统确保更高的精确度。
C1 noun, adverb /ˈeɪliəs/

alias

别名
Meaning
A false or assumed identity; also used to mean 'otherwise called'.
Example
The criminal was known by the alias 'Shadow'.
罪犯以'影子'为别名。
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。
C1 noun /ˌɑːr.kəˈpɛl.əˌɡoʊ/

archipelago

群岛
Meaning
A group of islands clustered together in a body of water.
Example
Indonesia is an archipelago with thousands of islands.
印度尼西亚是一个由成千上万个岛屿组成的群岛。
C1 noun /ˌænəsˈθetɪk/

anesthetic

麻醉剂
Meaning
A substance that causes loss of sensation or consciousness, especially used during surgery.
Example
The doctor administered a local anesthetic before stitching the wound.
医生在缝合伤口之前使用了局部麻醉剂。
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。
C1 noun /əˈfɪn.ɪ.ti/

affinity

亲和力
Meaning
A natural liking for or attraction to a person, thing, idea, etc.
Example
She has an affinity for classical music.
她对古典音乐有亲和力。
C1 adjective /ɔːˈdeɪ.ʃəs/

Audacious

大胆
Meaning
showing willingness to take bold risks; daring
Example
His audacious plan to climb the mountain without proper equipment shocked everyone.
他毫不犹豫地提出了一个大胆的计划，要在没有适当设备的情况下攀登这座山，令所有人震惊。
C1 adjective ɔːˈspɪʃ.əs

auspicious

吉祥
Meaning
Favorable or bringing good luck and success
Example
The wedding was held on an auspicious day.
婚礼在一个吉祥的日子举行。
C1 adjective /əˈbaɪdɪŋ/

abiding

持久的
Meaning
lasting for a long time; enduring
Example
She had an abiding love for her hometown.
她对故乡有着持久的爱。
C1 noun /əˈpɒlədʒɪst/

apologist

辩护者
Meaning
a person who defends or justifies something, often a controversial belief or institution
Example
He is known as an apologist for authoritarian regimes.
他被认为是独裁政权的辩护者。
C1 noun /ˈæmplɪtjuːd/

amplitude

振幅
Meaning
the maximum extent of a vibration or oscillation, or the size of something
Example
The amplitude of the earthquake was measured on the Richter scale.
地震的振幅在里氏震级上被测量。
C1 verb /ˈæn.ə.teɪt/

annotate

添加注释或评论
Meaning
to add notes or comments to a text, diagram, or document for explanation or clarification
Example
The teacher asked the students to annotate the poem with their interpretations.
Lǎoshī yāoqiú xuéshēng zài shī cí zhōng tiānjiā tāmen de jiěshì.
C1 noun /əˈkɔːrdiən/

accordion

手风琴 (乐器)
Meaning
a musical instrument played by squeezing and expanding with keys and buttons
Example
The musician played a cheerful tune on the accordion.
音乐家在手风琴上演奏了一首愉快的旋律。
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 /ɔːˈrɔːrə/

aurora

极光
Meaning
A natural display of lights in the sky, usually seen in polar regions.
Example
We traveled to Norway to see the northern aurora.
我们去了挪威看北极光。
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。
C1 noun /ˈeɪ.nəs/

Anus

肛门
Meaning
the opening at the end of the digestive tract through which waste leaves the body
Example
The doctor examined the patient's anus during the medical checkup.
医生在体检期间检查了病人的肛门。
C1 noun /ˌeɪ.li.əˈneɪ.ʃən/

alienation

异化
Meaning
The state of being isolated or estranged from a group or activity.
Example
The new policies created a sense of alienation among employees.
新政策在员工中产生了异化感。
C1 noun /æbˈstrækʃən/

abstraction

抽象
Meaning
the process of forming general ideas by removing specific details; an abstract concept or idea
Example
Abstraction allows complex ideas to be represented in a simplified form.
抽象使复杂的想法能够以简化的形式表达。
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 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 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。
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。
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。
C1 noun /ˈæl.kə.laɪ/

alkali

碱性物质
Meaning
a soluble base substance, typically with a pH greater than 7, that neutralizes acids
Example
Soap contains alkali which helps remove grease.
肥皂含有碱，能帮助去除油脂。
C1 adjective /ɔːˈstɪə/

austere

严格，简朴
Meaning
Severe or strict in manner, attitude, or appearance; plain and simple.
Example
The monk lived an austere life in the mountains.
和尚在山中过着严格的生活。
C1 verb /əˈdɔːrn/

adorn

装饰
Meaning
to decorate or add beauty to something
Example
The hall was adorned with flowers for the wedding.
婚礼上大厅用花卉装饰。
C1 noun /ˈæntənɪm/

antonym

反义词
Meaning
A word opposite in meaning to another.
Example
‘Hot’ is the antonym of ‘cold’.
‘Hot’ 是 ‘cold’ 的反义词。
C1 adjective /ˈeɪmləs/

Aimless

漫无目的; 无目标
Meaning
without purpose or direction; lacking a goal
Example
He wandered around the city in an aimless manner.
他在城市中漫无目的地游荡。
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 /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。
C1 noun /ˈænti ˈeəkræft ɡʌn/

Anti-aircraft-gun

防空炮
Meaning
a weapon designed to attack aircraft from the ground
Example
The anti-aircraft gun was positioned to defend the military base.
防空炮被布置在军用基地以进行防御。
C1 noun /ˈæb.stɪ.nəns/

abstinence

禁欲，节制
Meaning
the practice of restraining oneself from indulging in something, typically alcohol or sex
Example
His doctor advised abstinence from alcohol for better health.
他的医生建议他戒酒以改善健康。
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 noun /əˈliː.dʒəns/

allegiance

忠诚
Meaning
Loyalty or commitment of a subordinate to a superior or of an individual to a group or cause.
Example
Soldiers take an oath of allegiance to their country.
士兵宣誓效忠他们的国家。
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 /ˈænvɪl/

anvil

铁砧
Meaning
A heavy iron block used by blacksmiths for hammering and shaping metal.
Example
The blacksmith placed the hot iron on the anvil.
铁匠将热铁放在铁砧上。
C1 verb /əˈdʒɜrn/

adjourn

推迟
Meaning
to suspend a meeting or session to another time or place
Example
The judge decided to adjourn the hearing until next week.
法官决定将听证会推迟到下周。
C1 noun ˈæk.si.əm

axiom

公理
Meaning
A statement or principle that is considered true and does not require proof.
Example
Actions speak louder than words is a well-known axiom.
行动胜于语言，这是一个著名的公理。
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。
C1 noun /əˈtjuːn.mənt/

attunement

契合
Meaning
Being in harmony or responsive to someone's emotional state.
Example
Attunement to emotions improves relationships.
对情绪的契合改善了关系。
C1 noun /əˈbreɪʒən/

abrasion

由于摩擦而导致的皮肤或表面的擦伤或磨损
Meaning
a scrape or wearing away of the skin or surface due to friction
Example
He suffered a minor abrasion on his knee after falling.
他在摔倒后膝盖上受了一个轻微的擦伤。
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 /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。
C1 noun /ˈæspɪrənt/

aspirant

有志者
Meaning
a person who seeks or hopes to achieve a position of honor or advancement
Example
She is an aspirant for the university's top scholarship.
她是大学最高奖学金的有志者。
C1 adjective /ˈædʒ.aɪl/

agile

快速且灵活
Meaning
able to move quickly and easily; quick and adaptable in thinking or action
Example
The startup team was agile in responding to market changes.
初创团队在应对市场变化时非常灵活。
C1 noun əbˈzɔːrp.ʃən

absorption

吸收
Meaning
The process or action by which one thing absorbs or is absorbed by another.
Example
Plants help in the absorption of carbon dioxide.
植物有助于吸收二氧化碳。
C1 noun əˈrɪd.ɪ.ti

aridity

干旱
Meaning
The state of being extremely dry, especially having insufficient rainfall to support vegetation.
Example
The aridity of the land is increasing due to climate change.
由于气候变化，土地的干旱正在加剧。
C1 noun /əˌtɜːni ˈdʒɛnərəl/

attorney-general

总检察长
Meaning
The chief legal officer of a state or country.
Example
The attorney-general announced new reforms to strengthen justice.
总检察长宣布了加强司法的新的改革。
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。
C1 adjective /əˈɡrɛəriən/

agrarian

农业的
Meaning
Related to farming, agriculture, or rural land.
Example
The country’s economy is still largely agrarian.
这个国家的经济仍然主要是农业的。
C1 noun /ˈækəleɪd/

accolade

荣誉
Meaning
An award, honor, or expression of praise.
Example
She received an accolade for her outstanding performance.
她因出色的表现获得了荣誉。
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。
C1 noun /əˈtrɑːsəti/

atrocity

暴行
Meaning
an extremely cruel or violent act, often involving physical violence
Example
The world condemned the atrocity committed against civilians.
世界谴责对平民犯下的暴行。
C1 adjective /ɑːrˈkeɪn/

arcane

深奥的
Meaning
understood by few; mysterious or secret
Example
The professor’s lecture was full of arcane details that only specialists could follow.
教授的讲座充满了只有专家才能理解的深奥细节。
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。
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。
C1 noun /əˌfɪl.iˈeɪ.ʃən/

affiliation

隶属关系
Meaning
The state or process of affiliating or being affiliated; a connection or association.
Example
His affiliation with the company lasted for a decade.
他与公司的隶属关系持续了十年。
C1 adjective /əˈluːf/

aloof

冷漠
Meaning
Not friendly or forthcoming; cool and distant.
Example
He remained aloof during the entire discussion.
他在整个讨论过程中都显得冷漠。
C1 adjective /əˈnæl.ə.ɡəs/

analogous

类似的
Meaning
Comparable in certain respects, typically in a way that makes clearer the nature of things being compared.
Example
The human brain is analogous to a supercomputer.
人脑与超级计算机类似。
C1 adjective /ˈærɪd/

arid

干旱的
Meaning
extremely dry; lacking in interest or excitement
Example
The desert is known for its arid climate.
沙漠以其干旱的气候而闻名。
C1 noun ˈæ.sɛt ˌæl.əˈkeɪ.ʃən

asset allocation

资产配置
Meaning
An investment strategy that aims to balance risk and reward by apportioning a portfolio's assets according to an individual's goals, risk tolerance, and investment horizon.
Example
Proper asset allocation is key to financial growth.
正确的资产配置是财务增长的关键。
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。
C1 adjective /ænˈtɪriər/

anterior

前部的
Meaning
Situated at or toward the front; coming before in position or time.
Example
The anterior part of the brain controls logical thinking.
大脑的前部控制逻辑思维。
C1 noun ˈæf.lu.əns

affluence

富裕
Meaning
The state of having a great deal of money; wealth.
Example
His affluence allowed him to travel the world.
他的财富使他能够环游世界。
C1 noun /əˈbɪs/

abyss

深渊
Meaning
a deep, immeasurable space, chasm, or void; something seemingly without end
Example
The climbers looked down into the dark abyss below.
攀登者看着下面的黑暗深渊。
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。
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。
C1 noun /ˈænəɡræm/

anagram

通过重新排列另一个单词或短语的字母而形成的单词或短语。
Meaning
A word or phrase formed by rearranging the letters of another word or phrase.
Example
The word 'listen' is an anagram of 'silent'.
'listen' 是 'silent' 的变位词。
C1 adjective /ɔːˌθɒr.ɪˈteə.ri.ən/

authoritarian

专制
Meaning
Demanding absolute obedience to authority; excessively controlling or strict in governance.
Example
Authoritarian parenting often limits a child's independence.
专制的育儿方式常常限制孩子的独立性。
C1 noun /ˈɑːr.sən.əl/

arsenal

军械库
Meaning
A collection or storage place for weapons and military equipment.
Example
The army kept its weapons in a secure arsenal.
军队将武器保存在一个安全的军械库中。
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 /æbˈdʌk.ʃən/

abduction

绑架
Meaning
the act of taking someone away illegally by force; kidnapping
Example
The police are investigating the abduction of the child.
警方正在调查这起儿童绑架案。
C1 noun /ˈɑːrdər/

ardor

热情，激情
Meaning
Great enthusiasm or passion.
Example
She spoke with ardor about her new project.
她用热情谈论她的新项目。
C1 verb /əbˈzɒlv/

absolve

赦免
Meaning
to free someone from blame, guilt, or responsibility; to pardon
Example
The priest absolved him of his sins.
牧师赦免了他所有的罪。
C1 adverb /əˈlɒft/

aloft

高空
Meaning
Up in or into the air; overhead.
Example
The kite was flying aloft in the clear sky.
风筝在晴空中高飞。
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。
C1 adjective /ˈædəmənt/

Adamant

固执的; 坚定的; 不屈不挠的
Meaning
একগুঁয়ে; জেদী; দৃঢ়সংকল্প; অনমনীয়;
Example
She was adamant about her decision to leave the company.
她在决定离开公司时非常坚持。
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。
C1 noun /əˈlɒt.mənt/

allotment

配额，分配
Meaning
The distribution or allocation of something, especially resources or portions.
Example
Each department received an allotment of resources.
每个部门都收到了资源分配。
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。
C1 adjective /əˈnɒmələs/

anomalous

异常
Meaning
deviating from what is standard, normal, or expected
Example
Scientists observed an anomalous result during the experiment.
科学家在实验中观察到了一个异常的结果。
C1 noun /ˈælɔɪ/

alloy

合金
Meaning
A mixture of metals or a metal combined with another element.
Example
Bronze is an alloy of copper and tin.
青铜是铜和锡的合金。
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。
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。
C1 adjective /ˌæntiˈneɪtl/

antenatal

产前
Meaning
Relating to the medical care and treatment given to a pregnant woman before the birth of her child.
Example
She attended regular antenatal checkups throughout her pregnancy.
她在怀孕期间定期参加产前检查。
C1 noun /ænˈθɒlədʒi/

anthology

选集
Meaning
A collection of literary works, such as poems, short stories, or essays, compiled into one volume.
Example
She contributed a poem to the new poetry anthology.
她为新的诗歌选集贡献了一首诗。
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。
C1 adjective /ˌeɪˈsɛkʃuəl/

asexual

无性
Meaning
Without sexual feelings, associations, or reproduction through sex.
Example
Many plants reproduce through asexual methods like budding or splitting.
许多植物通过无性繁殖方式，如发芽或分裂，进行繁殖。
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。
C1 noun, adjective /ˌæntiˈsɛptɪk/

antiseptic

Meaning
A substance that prevents the growth of disease-causing microorganisms; clean and free from germs.
Example
The nurse applied an antiseptic to the wound.
C1 noun /əˈsem.bli ˈseʃ.ən/

assembly session

大会会议
Meaning
A formal meeting where representatives gather to discuss and make decisions on important matters.
Example
The assembly session discussed global challenges.
大会会议讨论了全球性挑战。
C1 adjective /əˈfɜːrmətɪv/

affirmative

肯定的
Meaning
expressing agreement, approval, or a positive response
Example
She gave an affirmative answer to the proposal.
她对提案做出了肯定的回答。
C1 adjective /ˌæprɪˈhɛnsɪv/

apprehensive

担忧的
Meaning
feeling anxious or fearful that something bad will happen
Example
He was apprehensive about starting a new job in a foreign country.
他对在一个陌生的国家开始一份新工作感到担忧。
C1 adjective /ˌeɪpəˈlɪtɪkəl/

apolitical

不关心政治
Meaning
not interested in or not connected with politics
Example
She prefers to stay apolitical and focus on her work.
她更喜欢保持不关心政治的态度，专注于自己的工作。
C1 noun /əˈpærəl/

apparel

衣服
Meaning
Clothing, especially formal or special clothes.
Example
The store specializes in wedding apparel.
商店专门出售婚礼服装。
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。
C1 noun ˌeə.rəʊ.daɪˈnæm.ɪks

aerodynamics

空气动力学
Meaning
The study of the properties of moving air and the interaction between the air and solid bodies moving through it.
Example
The aerodynamics of an aircraft determines its speed and efficiency.
一架飞机的空气动力学决定了它的速度和效率。
C1 noun ˌæmbɪˈɡjuːɪti

ambiguity

模糊性, 含糊不清
Meaning
The quality of being open to more than one interpretation; inexactness.
Example
The ambiguity of the statement caused confusion among the team.
该声明的模棱两可性导致团队之间的困惑。
C1 noun /əˈstuːt.nəs/

astuteness

机智
Meaning
The ability to accurately assess situations or people and turn this to one's advantage.
Example
His astuteness helped in negotiations.
他的机智在谈判中起到了帮助作用。
C1 adverb /əˈbrɛst/

abreast

并排
Meaning
side by side and facing the same direction; informed about something
Example
The soldiers marched two abreast down the street.
士兵们并排走在街上。