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C2 verb /əˈleɪ/

allay

缓解
Meaning
to reduce the intensity of fear, worry, or pain; to calm
Example
The teacher tried to allay the students’ fears before the exam.
老师在考试前试图缓解学生们的恐惧。
C2 adjective /ˌæpəˈplɛktɪk/

apoplectic

愤怒的
Meaning
Extremely angry; furious.
Example
He was apoplectic when he heard about the unfair decision.
当他听到关于不公正决定的消息时，他愤怒得几乎要爆炸。
C2 verb /əˈkuːtər/

accouter

装备
Meaning
to equip or outfit, typically with military or ceremonial attire
Example
The soldiers were accoutered in full battle gear.
士兵们穿戴着全套战斗装备。
C2 verb /əˈkuːtə/

accoutre

装饰
Meaning
to dress or equip, especially in something impressive or elaborate
Example
The knight was accoutred in shining armor.
骑士穿着闪亮的盔甲。
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。
C2 verb /əˈɡlɒməˌreɪt/

agglomerate

聚集
Meaning
To collect or form into a mass or group.
Example
The dust particles began to agglomerate into larger clusters.
尘粒开始聚集成更大的团块。
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。
C2 noun, adjective /ˌæntiˌspæzˈmɒdɪk/

antispasmodic

抗痉挛药
Meaning
A drug or agent that relieves or prevents muscle spasms.
Example
The doctor prescribed an antispasmodic to ease the pain.
医生开了一种抗痉挛药来缓解疼痛。
C2 verb /əˈvaʊtʃ/

avouch

确认
Meaning
to affirm or assert something as true
Example
He avouched his innocence before the judge.
他在法官面前确认了自己的清白。
C2 noun /ænˈtɪlədʒi/

antilogy

矛盾论
Meaning
A contradiction in terms or ideas; inconsistency in speech or writing.
Example
The politician's statement was criticized for its antilogy.
这位政治家的声明因其矛盾论而受到批评。
C2 noun /əˈnækrəˌnɪzəm/

anachronism

Meaning
something that is out of its proper time period, especially something old-fashioned in a modern context
Example
Using a typewriter today feels like an anachronism.
C2 noun /ˌæpəˈleɪʃən/

appellation

名称 / 称号
Meaning
a name or title
Example
The city has earned the appellation 'The Big Apple'.
这座城市获得了‘大苹果’的称号。
C2 adjective /ˌævəˈrɪʃəs/

avaricious

贪婪的
Meaning
having or showing extreme greed for wealth or material gain
Example
The avaricious landlord increased the rent unfairly.
贪婪的房东不公正地提高了租金。
C2 adjective /əˌnækrəˈnɪstɪk/

anachronistic

时代错误的
Meaning
belonging to a period other than that being portrayed; old-fashioned or outdated
Example
His views on gender roles are considered anachronistic.
他关于性别角色的看法被认为是时代错误的。
C2 noun /əˈnæb.ə.lɪ.zəm/

anabolism

合成代谢
Meaning
The set of metabolic pathways that construct molecules from smaller units, involving tissue repair and growth.
Example
Anabolism is essential for muscle growth and tissue repair.
合成代谢对肌肉生长和组织修复至关重要。
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 verb /əˈkriːt/

accrete

逐渐增长
Meaning
to grow or increase gradually by accumulation or addition
Example
Dust particles accrete over time to form larger celestial bodies.
尘埃颗粒随着时间积累，形成更大的天体。
C2 noun /ˌeɪd də ˈkæmp/

aide-de-camp

军官，担任高级军官的机密助手
Meaning
A military officer acting as a confidential assistant to a senior officer.
Example
The general was accompanied by his aide-de-camp during the ceremony.
在仪式期间，军官与他的随行军官共同出席。
C2 noun /əˈkwɪtəns/

acquittance

收据
Meaning
a written receipt acknowledging payment or discharge of a debt
Example
He demanded an acquittance after paying the loan.
他要求在支付贷款后获得一张收据。
C2 noun /ˌænɪmædˈvɜːʒən/

animadversion

批评
Meaning
Strong criticism or censure.
Example
The policy attracted severe animadversion from the public.
该政策遭到公众的严厉批评。
C2 noun /ˈæmjʊlət/

Amulet

护身符; 护符
Meaning
an ornament or small piece of jewelry thought to give protection against evil, danger, or disease
Example
She wore a silver amulet around her neck for good luck.
她戴着一条银色的护身符在脖子上祈求好运。
C2 verb /əˈbreɪd/

abrade

通过摩擦磨损
Meaning
to scrape or wear away the surface by friction or erosion
Example
The rough cloth can easily abrade the skin.
粗糙的布料容易磨损皮肤。
C2 noun /ˈæk.rɪ.moʊ.ni/

acrimony

Meaning
Bitterness and anger, especially in speech or behavior.
Example
The divorce was filled with acrimony and disputes.
C2 noun /ˌætəlˈjeɪ/

atelier

工作室（艺术家或设计师的工作室）
Meaning
A workshop or studio, especially for an artist or designer.
Example
The painter invited us to his atelier to view his new collection.
画家邀请我们去他的工作室，观看他的最新系列作品。
C2 verb /ˌækwiˈɛs/

acquiesce

默许
Meaning
to accept something reluctantly but without protest
Example
She decided to acquiesce to her parents’ wishes.
她决定默许父母的愿望。
C2 verb /əˈdʌltəreɪt/

adulterate

掺假
Meaning
to make something poorer in quality by adding another substance, usually of lower quality
Example
The company was fined for adulterating its products with cheap chemicals.
该公司因将其产品篡改成便宜的化学品而被罚款。
C2 noun /əˈbeɪəns/

abeyance

暂时中止
Meaning
a state of temporary suspension or inactivity
Example
The project was held in abeyance until funds became available.
该项目已暂停，直到资金可用。
C2 verb /əˈpraɪz/

apprise

告知
Meaning
to inform or notify someone
Example
The manager will apprise the staff of the new policies.
经理将通知员工新的政策。
C2 noun /ˈændaɪərn/

andiron

金属木柴支架
Meaning
a metal support used in a fireplace to hold logs
Example
The logs rested on the andirons in the old fireplace.
木柴安放在旧壁炉的安迪龙上。
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。
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 noun /ˌænɪˈmɒmɪtər/

anemometer

风速计
Meaning
An instrument used to measure the speed and direction of wind.
Example
The scientist used an anemometer to record the wind speed during the storm.
科学家使用风速计记录风速，在风暴期间。
C2 noun /əˈmʊr/

amour

秘密的爱
Meaning
A secret or illicit love affair.
Example
The novel tells the story of a forbidden amour between two characters.
这本小说讲述了两个人物之间的禁忌爱情故事。
C2 adjective /ˈæk.rɪd/

Acrid

刺鼻和不愉快
Meaning
having a strong, unpleasant, and sharp smell or taste
Example
The acrid smoke from the fire made everyone cough.
火灾的刺鼻烟雾让每个人都咳嗽。
C2 adjective ˌeə.rəʊˈstæt.ɪk

aerostatic

气动静态的
Meaning
Relating to or involving gases (especially air) in equilibrium and the equilibrium of balloons or aircraft under the influence of such gases.
Example
Aerostatic designs ensure stability at high altitudes.
气动静态设计确保在高海拔地区的稳定性。
C2 noun /ˌæbsəˈluːʃən/

absolution

宽恕
Meaning
formal release from guilt, obligation, or punishment
Example
The priest granted him absolution for his sins.
牧师为他的罪行给予了宽恕。
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 /əˈbɔːrtɪv/

abortive

失败的
Meaning
Failing to produce the intended result; unsuccessful.
Example
Their abortive attempt to climb the mountain ended in retreat.
他们登山的失败尝试以撤退告终。
C2 noun /ˌæs.əˈfet.ɪ.də/

Asafoetida

阿萨福提达
Meaning
a pungent spice derived from the resin of a plant, commonly used in Indian cooking
Example
A pinch of asafoetida adds a distinctive flavor to the lentil curry.
一撮阿萨福提达为扁豆咖喱增添了独特的风味。
C2 adjective /ˈɑːrtləs/

artless

天真, 简单
Meaning
Without deception or pretentiousness; natural and simple.
Example
Her artless smile made everyone feel at ease.
她天真的微笑让每个人都感到轻松。
C2 verb /əˈniːl/

anneal

通过加热使硬化
Meaning
To heat and cool metal or glass to make it stronger or less brittle.
Example
The blacksmith annealed the steel to improve its durability.
铁匠为了提高钢的耐久性进行了退火。
C2 noun /ˈæpəˌθɛm/

apothegm

格言, 名言
Meaning
A short, witty, and instructive saying or maxim.
Example
His speech was filled with apothegms about life and success.
他的演讲充满了关于生活和成功的格言。
C2 noun /əˈpɒstəsi/

apostasy

背教
Meaning
The abandonment or renunciation of a religious or political belief.
Example
His public apostasy shocked his followers.
他的公开背教震惊了他的追随者。
C2 noun /ˌɔːltərˈkeɪʃən/

altercation

争执, 争吵
Meaning
a noisy argument or quarrel
Example
There was a brief altercation between the two drivers.
两位司机之间发生了简短的争执。
C2 noun (plural) /əˈspɜːr.ʒənz/

aspersions

诽谤
Meaning
Critical or slanderous remarks; multiple attacks on reputation.
Example
The politician rejected the aspersions cast against him.
政治家拒绝了针对他的诽谤。
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 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。
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。
C2 noun /əˈbrɪdʒmənt/

abridgment

缩略版
Meaning
A shortened version of a larger work, such as a book or speech.
Example
The publisher released an abridgment of the lengthy novel for students.
出版商发布了该长篇小说的缩略版，供学生使用。
C2 noun /ˈɔːspɪs/

auspice

预兆, 保护
Meaning
A sign, omen, or divine token; also refers to protection or support.
Example
The project was launched under the auspice of the government.
该项目在政府的保护下启动。
C2 noun /ɔːl/

awl

锥子
Meaning
a small pointed tool used for making holes, especially in leather
Example
The cobbler used an awl to punch holes in the leather.
鞋匠用锥子在皮革上打孔。
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 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 /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。
C2 noun /əˈsɛt.ɪˌsɪz.əm/

asceticism

禁欲主义, 自律
Meaning
The practice of severe self-discipline and abstaining from indulgence, typically for religious or spiritual reasons.
Example
Asceticism has been a part of many religious traditions throughout history.
禁欲主义是许多宗教传统的一部分，贯穿历史。
C2 noun /ˈævərɪs/

avarice

贪婪
Meaning
extreme greed for wealth or material gain
Example
His avarice led him to exploit his workers.
他的贪婪导致他剥削工人。
C2 noun /ˈɑːrkeɪˌɪzəm/

archaism

古词
Meaning
a word, expression, or style of language that is no longer in everyday use
Example
The poem is full of archaisms that give it an old-fashioned flavor.
这首诗充满了古词，使其带有一种过时的味道。
C2 adjective /ˌæk.si.əˈmæt.ɪk/

axiomatic

自明的，显然无需证明的真理
Meaning
Self-evident, obviously true without need for proof
Example
It is axiomatic that hard work leads to success.
努力工作是自明的，成功将随之而来。
C2 noun /ˈiːɒn/ or /ˈiːən/

aeon

Meaning
An indefinitely long period of time; an age or eternity.
Example
Dinosaurs roamed the Earth millions of aeons ago.
C2 noun /əˈmɛrɪkəˌnɪzəm/

americanism

Meaning
A word, phrase, or practice characteristic of American English or culture.
Example
The term 'sidewalk' is an Americanism, while 'pavement' is used in British English.
C2 adverb /əˈskæns/

askance

怀疑地
Meaning
With suspicion, mistrust, or disapproval.
Example
She looked askance at his unusual proposal.
她怀疑地看着他的异常提案。
C2 noun /ˈædʒ.ə.tənt/

Adjutant

阿金顿鹳
Meaning
a large water bird with long legs and neck, also known as adjutant stork
Example
The adjutant stork stood motionless in the shallow water.
那只阿金顿鹳站在浅水中不动。
C2 adjective /ˈæn.ə.daɪn/

anodyne

无害的，缓解疼痛的
Meaning
Not likely to cause offense; bland or harmless. Also refers to something that relieves pain.
Example
The speaker’s anodyne remarks avoided controversy.
演讲者的无害评论避免了争议。
C2 noun /ˈætəmaɪzər/

atomizer

喷雾器
Meaning
A device that sprays liquid into a fine mist.
Example
She used an atomizer to apply the perfume evenly.
她使用喷雾器均匀地涂抹香水。
C2 noun /ænˈtɪstrəfi/

antistrophe

反歌式 (一种修辞手法)
Meaning
A rhetorical device in which a word or phrase is repeated at the end of successive clauses; in Greek choral poetry, the part of the ode sung by the chorus in return movement.
Example
The poet used antistrophe to emphasize the repeated phrase.
诗人使用反歌式来强调重复的短语。
C2 adjective əˈsɪd.ju.əs

assiduous

勤奋或刻苦
Meaning
Showing great care and perseverance; diligent and hardworking.
Example
His assiduous efforts led to a successful career.
他的勤奋努力带来了成功的事业。
C2 noun /ænˈtɪpədiːz/

antipodes

Meaning
places on opposite sides of the Earth; also refers to things that are direct opposites
Example
Australia and Britain are often considered antipodes of each other.
C2 noun /əˌnʌn.siˈeɪ.ʃən/

annunciation

宣布，好消息
Meaning
The announcement of something; in Christianity, the announcement by the angel Gabriel to Mary that she would conceive Jesus.
Example
The church celebrated the Feast of the Annunciation with a special service.
教堂通过特别的服务庆祝了报喜节。
C2 adjective /əˈvʌŋkjələr/

avuncular

像叔叔一样友善
Meaning
kind and friendly, like an uncle
Example
He had an avuncular manner that made everyone feel comfortable.
他有一种让每个人都感到舒适的阿冯库拉尔风度。
C2 noun /ˌæntɪˈtɒksɪn/

antitoxin

抗毒素
Meaning
A substance that neutralizes a specific toxin in the body.
Example
The doctor administered an antitoxin to counter the snake venom.
医生注射了抗毒素来中和蛇毒。
C2 noun /əˌɡlɒməˈreɪʃən/

agglomeration

聚集
Meaning
A mass or collection of things, sometimes clustered together.
Example
The city is an agglomeration of diverse cultures and communities.
这座城市是各种文化和社区的聚集地。
C2 noun /ænˈtɪfəni/

antiphony

对唱
Meaning
a form of music in which two or more groups or choirs sing alternately in response to each other
Example
The cathedral's architecture was designed to enhance the effect of antiphony.
大教堂的建筑旨在增强对唱的效果。
C2 verb /əˈbɑː.mə.neɪt/

abominate

厌恶
Meaning
to feel hatred or loathing for something
Example
She abominates cruelty to animals.
她厌恶对动物的残忍行为。
C2 verb /əˈfaɪəns/

affiance

订婚
Meaning
to promise or pledge marriage; to formally engage
Example
They decided to affiance after years of friendship.
多年友谊之后，他们决定订婚。
C2 adjective /ˈæʒər/

azure

蔚蓝
Meaning
A bright blue color like that of a clear sky.
Example
The clear sky was painted in a deep shade of azure.
清澈的天空被涂成了深深的蔚蓝色。
C2 noun /ˈæmpərˌsænd/

ampersand

安珀桑德
Meaning
The symbol '&' used to represent the word 'and'.
Example
Use an ampersand instead of writing the word 'and' in the company name.
在公司名称中使用安珀桑德代替'和'这个词。
C2 noun /ˈɔːldərmən/

alderman

市议会成员
Meaning
An elected member of a municipal council in certain cities and towns.
Example
The alderman proposed a new plan for community parks.
市议员提出了一个新的社区公园计划。
C2 adjective /əˈkjuː.zəˌtɔːr.i/

accusatory

指责的
Meaning
Suggesting blame or indicating someone has done wrong.
Example
He gave her an accusatory glance.
他投给她一个指责的眼神。
C2 noun /ˈænti/

ante

Meaning
a stake put up by a player in poker or similar games before receiving cards; also used figuratively to mean an initial investment or contribution
Example
Each player placed an ante before the game began.
C2 verb /ˈærəˌɡeɪt/

arrogate

不正当地索取
Meaning
To claim or take something without justification.
Example
The dictator arrogated all powers to himself.
独裁者不正当地把所有权力据为己有。
C2 adjective /ˈæb.ə.rənt/

aberrant

异常
Meaning
deviating from what is normal or expected; abnormal
Example
His aberrant behavior shocked everyone at the meeting.
他的异常行为让会议上的每个人都感到震惊。
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。
C2 noun əˈlæk.rə.t̬i

alacrity

快速和愉快的准备
Meaning
Brisk and cheerful readiness.
Example
He accepted the challenge with alacrity.
他以 alacrity 接受了挑战。
C2 adjective /ɔːˈɡʌst/

august

庄严
Meaning
Respected and impressive; inspiring reverence or admiration.
Example
The king entered the hall with an august presence.
国王以庄严的姿态走进了大厅。
C2 noun /əˈpɒfəsɪs/

apophasis

Meaning
A rhetorical device where the speaker brings up a subject by denying it or pretending to pass over it.
Example
The politician used apophasis by saying, 'I won’t even mention my opponent’s scandals.'
C2 noun /ˈæntɪfɒn/

antiphon

反诗
Meaning
a short chant or verse sung responsively in Christian worship, typically sung before or after a psalm or canticle
Example
The choir sang the antiphon before beginning the main hymn.
合唱团在开始主要圣歌之前唱了反诗。
C2 adjective /ˈædɪˌpoʊs/

adipose

脂肪的
Meaning
Relating to or consisting of animal fat; fatty.
Example
The doctor explained that the tissue was mainly adipose in nature.
医生解释说，组织主要是脂肪性的。
C2 adjective /ˈæbdʒɛkt/

abject

可鄙
Meaning
extremely bad, unpleasant, and degrading
Example
They lived in abject poverty.
他们生活在可鄙的贫困中。
C2 noun /əˈnæθəmə/

anathema

厄奈赛玛 / 被憎恶的事物
Meaning
something or someone intensely disliked or strongly condemned
Example
Violence is anathema to her peaceful nature.
暴力对她平和的性格是厄奈赛玛。
C2 verb /əˈvʌls/

avulse

撕裂
Meaning
to tear away or separate forcibly, especially in medical or geological contexts
Example
The surgeon had to avulse the damaged tissue during the operation.
外科医生在手术中必须把受损的组织撕裂。
C2 noun /ˌæk.wiˈes.əns/

acquiescence

默许
Meaning
The reluctant acceptance of something without protest.
Example
His silent acquiescence to unfair rules was surprising.
他对不公正规则的默许让人吃惊。
C2 verb /ˈæktʃueɪt/

actuate

激活
Meaning
to put into action or motion; to motivate or activate
Example
The engineer actuated the machine with a simple switch.
工程师通过一个简单的开关激活了机器。
C2 noun /əˈkjuːtnəs/

acuteness

敏锐性；严重程度
Meaning
sharpness of mind or senses; severity or intensity of a condition
Example
Her acuteness allowed her to notice details others missed.
她的敏锐性让她注意到别人忽略的细节。
C2 noun /ˈænɪməs/

animus

敌意 / 目的
Meaning
A strong feeling of hostility; motivation or purpose behind an action.
Example
His speech was driven by animus against the policy.
他的演讲是由对政策的敌意驱动的。
C2 adjective /ˌæktʃuˈɛəriəl/

actuarial

精算的
Meaning
Relating to actuaries or their work of analyzing financial risk and uncertainty, especially in insurance and pensions.
Example
The company relied on actuarial reports to set insurance premiums.
公司依赖精算报告来设定保险费率。
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。
C2 noun əˌmæl.ɡəˈmeɪ.ʃən

amalgamation

融合, 合并, 综合
Meaning
The action, process, or result of combining or uniting.
Example
The amalgamation of AI and big data is transforming industries.
人工智能和大数据的融合正在改变行业。
C2 adjective /ˌæk.rɪˈmoʊ.ni.əs/

acrimonious

尖刻和愤怒
Meaning
Bitter and angry, often involving harsh words.
Example
The debate turned acrimonious after the controversial remark.
辩论在争议性评论后变得尖刻。
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。
C2 noun /əbˈhɒrəns/

abhorrence

厌恶
Meaning
a feeling of strong disgust or hatred
Example
He expressed his abhorrence of racial discrimination.
他表达了对种族歧视的厌恶。
C2 noun /ˈæpəˌsteɪt/

apostate

叛教者
Meaning
A person who renounces a religious or political belief or principle.
Example
He was labeled an apostate after abandoning the faith of his community.
他在放弃自己社群的信仰后，被贴上了叛教者的标签。
C2 noun/adjective /ˈæl.əˌbæs.tər/

alabaster

白色矿石（类似石膏的矿物）
Meaning
A fine-grained, usually white variety of gypsum, often used for carving; also describes something smooth and pale like alabaster.
Example
The statue was carved from pure alabaster.
雕像是用纯净的阿拉巴斯特雕刻的。
C2 noun /ˈɑːrɡoʊ/

argot

特定群体的行话
Meaning
the specialized vocabulary or jargon of a particular group, especially one with a common interest or occupation
Example
The thieves communicated in an argot that outsiders could not understand.
小偷们用一种外人无法理解的阿尔戈语言交流。
C2 noun, verb /ˈæseɪ/

assay

分析
Meaning
To test or analyze the quality, purity, or content of a substance; the act of such testing.
Example
The scientists assayed the mineral sample for gold content.
科学家们对矿石样本进行了金含量测试。
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 noun /ˈɔːriˌoʊl/

aureole

光环
Meaning
A halo or radiance surrounding the head or body, often in religious art.
Example
The painting showed the saint with an aureole around his head.
这幅画展示了圣人头上方的光环。
C2 noun/adjective /ælˈbaɪ.noʊ/

albino

白化病 (缺乏色素的人/动物)
Meaning
A person, animal, or plant lacking normal pigmentation, resulting in pale skin, hair, and eyes.
Example
The albino rabbit had white fur and pink eyes.
白化病兔子有着白色的毛发和粉红色的眼睛。
C2 noun ˌæɡ.roʊˈiː.koʊˌsɪs.təm

agroecosystem

农业生态系统
Meaning
An ecological system centered on agricultural activities and processes.
Example
A healthy agroecosystem improves soil fertility.
健康的农业生态系统提高土壤肥力。
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。
C2 noun /ˌɔːskʌlˈteɪʃən/

auscultation

听诊
Meaning
The act of listening to internal sounds of the body, typically using a stethoscope.
Example
The doctor performed auscultation to check the patient’s lungs.
医生进行了听诊，以检查病人的肺部。
C2 noun /ˈæntɪkwɛri/

antiquary

古董商
Meaning
A person who studies, collects, or deals in antiques or ancient objects.
Example
The antiquary spent years collecting rare manuscripts from the medieval period.
这位古物商花了多年时间收集来自中世纪的稀有手稿。
C2 adjective /ɔːˈrɪfərəs/

auriferous

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

aliment

食物
Meaning
food or nourishment that sustains life
Example
Fruits and vegetables are important aliments for a healthy body.
水果和蔬菜是维持健康身体的重要食物。
C2 adjective əˈdrɔɪt

adroit

熟练的, 灵巧的, 精通的
Meaning
clever or skillful in using the hands or mind.
Example
She is adroit at solving complex problems.
她擅长解决复杂的问题。
C2 noun /ˈɔːlmənæk/

almanac

年鉴
Meaning
An annual publication containing calendars, weather forecasts, astronomical data, and other useful information.
Example
He consulted the almanac to check the phases of the moon.
他查阅了年鉴，以查看月亮的各个阶段。
C2 noun /əˈklɪvɪti/

acclivity

上坡
Meaning
An upward slope or incline on the ground.
Example
The hikers struggled as they climbed the steep acclivity.
登山者在攀登陡峭的上坡时遇到困难。
C2 noun /əˈreɪ.bi.ən ˈdʒæz.mɪn/

Arabian Jasmine

阿拉伯茉莉
Meaning
A fragrant white flower native to South and Southeast Asia, commonly used in perfumes and religious ceremonies
Example
The Arabian jasmine filled the garden with its sweet fragrance.
阿拉伯茉莉花用它的甜美香气充满了花园。
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 /əˈzeɪ.li.ə/

azalea

杜鹃花
Meaning
a flowering shrub with brightly colored blooms, often grown ornamentally
Example
The garden was full of blooming azaleas in spring.
花园里春天盛开着杜鹃花。