assiduously
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C2 adverb /əˈsɪdʒuəsli/

assiduously

努力地
Meaning
with great care and persistence
Example
He worked assiduously to complete the project before the deadline.
他努力工作，以便在截止日期之前完成项目。
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 adjective /əˈkɪliən/

achillean

阿基里斯式
Meaning
like or characteristic of Achilles; strong but vulnerable
Example
His achillean pride made him blind to danger.
他的阿基里斯式骄傲让他对危险视而不见。
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 verb /əˈmælɡəmeɪt/

amalgamate

合并
Meaning
to combine or unite to form one organization or structure; to merge
Example
The two companies decided to amalgamate their operations.
这两家公司决定合并他们的运营。
C2 noun /əˈplɒm/

aplomb

Meaning
Complete and confident self-assurance or poise.
Example
She handled the difficult questions with aplomb.
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 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。
C2 noun /ˈɛərəˌnɔːt/

aeronaut

气球飞行员
Meaning
A person who travels in an airship, balloon, or other aircraft.
Example
The aeronaut skillfully guided the hot-air balloon across the valley.
气球飞行员熟练地引导热气球穿过山谷。
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 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 /əˌpɒθiˈoʊsɪs/

apotheosis

神化, 顶峰
Meaning
The highest point of development; the perfect example of something; the elevation of someone to divine status.
Example
Many see the Renaissance as the apotheosis of art and culture in Europe.
许多人认为文艺复兴是欧洲艺术和文化的巅峰。
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 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 verb /ˈæpɪtaɪz/

appetize

刺激食欲
Meaning
to stimulate the appetite; to make someone eager or interested
Example
The aroma of fresh bread will appetize the guests before dinner.
新鲜面包的香味会刺激客人的食欲。
C2 noun /ˌæntiˈsaɪkloʊn/

anticyclone

反气旋
Meaning
A weather system with high atmospheric pressure at its center, usually bringing calm and clear conditions.
Example
An anticyclone brought sunny weather across the region.
一个反气旋带来了晴朗的天气。
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 adjective /ˈeɪkwiəs/

aqueous

水合的
Meaning
related to or containing water; watery
Example
The solution was in an aqueous form.
溶液是水合的。
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 /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 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 /əˈpɒθəˌkɛri/

apothecary

药剂师
Meaning
A historical term for a person who prepared and sold medicines and drugs.
Example
The village apothecary provided remedies for many common illnesses.
村里的药剂师为许多常见的疾病提供了治疗。
C2 noun ˌæɡ.roʊ.iˈkɒl.ə.dʒi

agroecology

农业生态学
Meaning
A scientific discipline that studies agricultural systems by applying ecological concepts and principles.
Example
Agroecology promotes eco-friendly farming.
农业生态学促进环保农业。
C2 verb /æbˈdʒʊər/

abjure

放弃
Meaning
to formally renounce or give up a belief, cause, or claim
Example
He abjured his allegiance to the old regime.
他放弃了对旧政权的忠诚。
C2 adjective /ˌækrəˈmætɪk/

achromatic

无色的
Meaning
without color; free from color
Example
The designer chose an achromatic palette of black, white, and gray.
设计师选择了黑色、白色和灰色的无色调色板。
C2 noun əˌdʌl.təˈreɪ.ʃən

adulteration

掺假
Meaning
The action of making something poorer in quality by the addition of another substance.
Example
Adulteration of food is a serious health risk.
食品掺假是一个严重的健康风险。
C2 adjective /əˈbɪs.əl/

abyssal

深海的
Meaning
Related to or characteristic of the deep ocean, especially the zone below 4000 meters.
Example
Abyssal creatures survive in extreme pressure conditions.
深渊生物在极端压力条件下生存。
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 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 /ˈæl.baɪt/

albite

Meaning
A white or colorless mineral of the feldspar group, often found in igneous rocks.
Example
Geologists discovered albite crystals in the rock sample.
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 noun /ˈænsɛstrɪs/

ancestress

女祖先
Meaning
a female ancestor; a woman from whom one is descended
Example
She discovered that her ancestress came from a small village in Bengal.
她发现自己的女祖先来自孟加拉的一个小村庄。
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 noun /əˈpɜːrtənənsɪz/

appurtenances

附属物
Meaning
Additional items or accessories associated with something, often used in a legal or property context.
Example
The house was sold along with all its appurtenances, including the garage and garden.
这所房子与所有附属设施一起出售，包括车库和花园。
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 ˈɔː.tɑː.ki

autarky

自给自足, 经济独立
Meaning
Economic independence or self-sufficiency; a policy of establishing a self-sufficient national economy.
Example
Some nations aim for autarky to reduce reliance on imports.
一些国家通过减少对进口的依赖，追求自给自足。
C2 adjective /ˌæn.θrə.pəˈdʒen.ɪk/

anthropogenic

人类起源的
Meaning
Originating in human activity; caused by humans.
Example
Climate change is largely due to anthropogenic activities.
气候变化在很大程度上是由人类起源的活动引起的。
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。
C2 noun /əˈpɜːrtənəns/

appurtenance

附属物 / 配件
Meaning
an accessory or supplementary part of something
Example
The garage is an appurtenance of the main house.
车库是主屋的附属部分。
C2 adjective /ˌæf.əˈrɪs.tɪk/

aphoristic

格言风格
Meaning
expressed in the style of a short, witty saying
Example
Her writing style is concise and aphoristic.
她的写作风格简洁而格言式。
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 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 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。
C2 adjective /əˈbɑː.mə.nə.bəl/

abominable

可憎的
Meaning
causing moral revulsion; extremely unpleasant
Example
The prisoners were kept in abominable conditions.
囚犯们被关押在可憎的条件下。
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 noun /ˈɑːr.bɪ.trɑːʒ/

arbitrage

套利
Meaning
The simultaneous buying and selling of securities in different markets to take advantage of differing prices.
Example
Investors use arbitrage to make profits in global markets.
投资者利用套利在全球市场中获取利润。
C2 adjective /əˈskjuː/

askew

歪斜
Meaning
Not in a straight or level position; crooked or tilted.
Example
The picture on the wall hung slightly askew.
墙上的画稍微歪斜。
C2 adjective /ɔːˈrɪkjʊlər/

auricular

与耳朵有关
Meaning
Relating to the ear or hearing.
Example
The doctor used an auricular thermometer to check the patient's temperature.
医生使用耳廓温度计来检查病人的体温。
C2 verb /ˈæmərˌtaɪz/

amortize

摊销
Meaning
To gradually reduce or pay off a debt with regular payments.
Example
They plan to amortize the mortgage over 20 years.
他们计划在20年内摊销抵押贷款。
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 noun /ˌɑːrbəˈriːtəm/

arboretum

植物园
Meaning
a place where trees, shrubs, and plants are grown for scientific study or public display
Example
We visited the city’s arboretum to learn about exotic trees.
我们参观了城市的植物园，了解异国树木。
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 verb /ˌæntɪˈsiːd/

antecede

先来
Meaning
to come before in time or order
Example
A short introduction usually antecedes the main text.
简短的介绍通常先于正文。
C2 verb /ˈæntɪdeɪtɪd/

antedated

提前日期
Meaning
assigned to an earlier date than the actual one; happened earlier
Example
The letter was antedated to appear more official.
信件被提前日期化，以使其看起来更官方。
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 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 adjective /ˈæprəbəˌtɔːri/

approbatory

赞许的
Meaning
expressing approval or praise
Example
The teacher gave an approbatory nod after reading the essay.
老师在读完文章后，点了点头表示赞许。
C2 noun, verb /əˈfrʌnt/

affront

侮辱
Meaning
An action or remark that causes outrage or offense.
Example
He took her criticism as a personal affront.
他把她的批评当作个人的侮辱。
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 /ˈæsənəns/

assonance

类韵
Meaning
the repetition of vowel sounds in nearby words in poetry or prose
Example
The poet used assonance to create a musical effect in his verse.
诗人使用类韵来创造他诗句中的音乐效果。
C2 verb /əˈbrɪdʒ/

abridge

缩短
Meaning
to shorten a text without losing its meaning
Example
The editor decided to abridge the long novel for young readers.
编辑决定为年轻读者缩短这本长小说。
C2 adjective /əˈkɜːrsɪd/

accursed

诅咒的
Meaning
Doomed, detestable, or under a curse.
Example
The villagers avoided the accursed house on the hill.
村民们避开了山上的诅咒房子。
C2 noun /əˈfreɪ/

affray

公开斗殴
Meaning
A public fight or noisy disturbance that causes alarm.
Example
The police were called to break up an affray outside the stadium.
警方被叫去制止体育场外的一场打斗。
C2 adjective /əˈpɜːrtənənt/

appurtenant

附属
Meaning
Belonging to or associated with something, often used in legal/property contexts.
Example
The right of way is appurtenant to the landowner’s property.
通行权属于土地所有者的财产。
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 adjective /ˈæsənənt/

assonant

押韵
Meaning
Having or characterized by assonance; repeating similar vowel sounds.
Example
The poem is filled with assonant words that create a musical rhythm.
这首诗充满了押韵的词语，创造了音乐般的节奏。
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 noun əˈdrɔɪt.nəs

adroitness

灵巧
Meaning
Cleverness or skill, especially in using the hands or mind; skillful dexterity.
Example
His adroitness in negotiations secured the deal.
他在谈判中的灵巧确保了交易。
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。
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 /ˈæp.ɪˌkʌl.tʃər/

apiculture

养蜂
Meaning
The practice of keeping and raising bees for honey and other products.
Example
Apiculture plays a vital role in agriculture by supporting pollination.
养蜂在农业中起着至关重要的作用，支持授粉。
C2 noun /ˌæŋɡləˈfoʊbiə/

anglophobia

盎格鲁恐惧症
Meaning
Dislike or fear of England, English people, or English culture.
Example
The politician was accused of promoting Anglophobia in his speeches.
这位政治家被指控在他的演讲中宣传盎格鲁恐惧症。
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 əˈtɛn.ju.eɪt

attenuate

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

assuage

缓解
Meaning
To make an unpleasant feeling less intense; to ease or relieve.
Example
The kind words helped assuage her anxiety.
善意的话帮助缓解了她的焦虑。
C2 verb /ˈædjʊˌleɪt/

adulate

过度奉承
Meaning
to praise or flatter excessively
Example
The fans adulated the actor after his performance.
粉丝们在演员的表演后赞美了他。
C2 adjective /ˌænθrəpəˈmɔːrfəs/

anthropomorphous

人形的
Meaning
having the form or attributes of a human
Example
The statue had an anthropomorphous shape resembling a human.
这座雕像有着类似人类的形状。
C2 noun /ˈæpəˌlɔːɡ/

apologue

道德故事
Meaning
a short moral story or fable intended to teach a lesson
Example
The teacher used an old apologue to explain honesty to the children.
老师用一个旧的道德故事向孩子们解释诚实。
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 /əˈluːviən/

alluvion

冲积
Meaning
The gradual increase of land by the deposit of soil from water; also, a flood or overflow of water.
Example
The river’s alluvion added new fertile land to the village fields.
河流的冲积为村庄的田地增添了新的肥沃土地。
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 adjective /æbˈhɔːr.ənt/

Abhorrent

令人厌恶的; 讨厌的
Meaning
extremely unpleasant and causing disgust; detestable
Example
The idea of animal cruelty is abhorrent to most people.
动物残忍的想法让大多数人感到恶心。
C2 adverb /əˈθwɔːrt/

athwart

横向地, 反对
Meaning
Across or in opposition to something.
Example
A fallen tree lay athwart the road, blocking traffic.
一棵倒下的树横在路上，阻碍了交通。
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 adjective /ænˈhaɪdrəs/

anhydrous

Meaning
Containing no water.
Example
The chemist used anhydrous ammonia for the experiment.
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 /ˈæn.dʒi.əʊ.plæs.ti/

angioplasty

一种医疗程序，用于打开阻塞或狭窄的血管，这些血管向心脏输送血液。
Meaning
A medical procedure to open blocked or narrowed blood vessels that supply blood to the heart.
Example
Angioplasty is now safer with robotic assistance.
现在，通过机器人辅助，血管成形术更加安全。
C2 verb /əbˈhɔːr/

abhor

厌恶
Meaning
to regard with disgust and hatred
Example
She abhors cruelty to animals.
她厌恶对动物的残忍。
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 /ˈæf.ə.rɪ.zəm/

aphorism

Meaning
a short, witty saying that expresses a general truth or principle
Example
He began his speech with an aphorism about life and success.
C2 noun /æmˈbroʊʒə/

ambrosia

神仙食物
Meaning
The food of the gods in classical mythology; something extremely pleasing to taste or smell.
Example
The dessert was so delicious that it tasted like ambrosia.
这个甜点太好吃了，味道像神仙食物一样。
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 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 noun /ˈɑːrtɪfɪs/

artifice

诡计
Meaning
clever or cunning devices or tricks used to deceive others
Example
The politician's charm was nothing but artifice.
那位政治家的魅力不过是个诡计。
C2 adjective /əˈsɜːrbɪk/

acerbic

尖刻的
Meaning
sharp, harsh, or bitter in tone or taste
Example
His acerbic comments offended many people in the meeting.
他的尖刻评论冒犯了会议中的许多人。
C2 noun /əˌbɑː.məˈneɪ.ʃən/

abomination

可憎的事物
Meaning
a thing that causes disgust or hatred
Example
Slavery was considered an abomination.
奴隶制被认为是一种可憎的事物。
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 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 /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, adverb /əˈfʊt/

afoot

进行中
Meaning
In progress; happening or being prepared.
Example
There are several new projects afoot in the company.
公司有几个新的项目正在进行中。
C2 adjective /eɪˈsɛfələs/

acephalous

Meaning
having no leader or head; headless
Example
The acephalous group soon fell into disorganization.
C2 adjective /ˌæd.vɛnˈtɪʃ.əs/

adventitious

偶然的
Meaning
Happening by chance or accident, not planned.
Example
His success was partly due to adventitious circumstances.
他的成功部分归因于偶然的情况。
C2 noun /ˈɛərəˌstæt/

aerostat

气球艇
Meaning
A lighter-than-air craft, such as a balloon, that is lifted by gas.
Example
The military used an aerostat for surveillance over the border.
军方使用了气球艇进行边境监视。
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 /ˌɛərəˈstætɪks/

aerostatics

气球力学
Meaning
The branch of physics that deals with the equilibrium of air and gases and the forces acting on bodies in them.
Example
Aerostatics is essential for understanding how balloons float.
气球力学对于理解气球如何漂浮至关重要。
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 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 /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 /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 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 noun /ˌænθrəpəˈsɛntrɪzəm/

anthropocentrism

人类中心主义
Meaning
The belief that human beings are the most important or central element of existence.
Example
Anthropocentrism often shapes environmental policies.
人类中心主义常常塑造环境政策。
C2 adjective /ˌæp.rɪˈhen.sə.bəl/

Apprehensible

可理解的
Meaning
able to be understood or grasped; comprehensible
Example
The complex theory became apprehensible after the professor's explanation.
复杂的理论在教授的讲解后变得可理解。
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 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 /æbˈsɪʒən/

abscission

叶片脱落
Meaning
The natural detachment of parts of a plant, typically leaves or fruit.
Example
The autumn season is marked by the abscission of leaves from trees.
秋季的标志是树叶从树木上脱落。
C2 noun, 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 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 /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 /ænˈdrɒdʒɪnəs/

androgynous

双性人
Meaning
Having both male and female characteristics; not clearly masculine or feminine.
Example
The fashion show featured models with an androgynous look.
时装秀展示了拥有双性人外观的模特。
C2 adjective /ˈæstrəl/

astral

Meaning
Relating to the stars or to spiritual, non-physical realms.
Example
Some believe in astral projection, the ability to leave the body and travel spiritually.