amalgamate
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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 /ˈæpəplɛksi/

apoplexy

由于中风或极端愤怒而导致的突然失去意识或控制
Meaning
A sudden loss of consciousness or control due to stroke or extreme anger.
Example
The old man nearly had apoplexy when he heard the shocking news.
那位老人听到震惊的消息时差点昏厥。
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 /ænˈtɪpəθi/

antipathy

反感
Meaning
a deep-seated feeling of dislike or aversion toward something or someone
Example
There was a mutual antipathy between the two rival companies.
两家竞争对手之间存在相互的反感。
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 /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 noun /ˌæbnɪˈɡeɪʃən/

abnegation

自我否定
Meaning
the act of renouncing or rejecting something, especially self-denial
Example
The monk’s life was one of complete abnegation of worldly pleasures.
僧侣的生活是对世俗快乐的完全自我否定。
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 /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 verb /ˈæd.ʌm.breɪt/

adumbrate

预示
Meaning
to foreshadow or suggest something in an unclear or indirect way
Example
The report adumbrates future economic challenges.
报告预示着未来的经济挑战。
C2 noun /ˈeɪ.viˌɛr.i/

aviary

鸟舍
Meaning
a large enclosure for keeping birds
Example
The zoo built a new aviary for exotic parrots.
动物园为外来鹦鹉建了一个新的鸟舍。
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 adjective /ˈæpəzɪt/

apposite

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

asunder

分成碎片
Meaning
into separate parts; apart
Example
The ancient empire was torn asunder by war.
古老的帝国在战争中被撕裂成碎片。
C2 adjective /ɑːrˈθʊr.i.ən/

arthurian

与亚瑟王相关的
Meaning
Relating to the legendary King Arthur and the stories surrounding him.
Example
The novel is set in an Arthurian world of knights and castles.
这部小说设定在一个亚瑟王的世界里，充满了骑士和城堡。
C2 noun əˌten.juˈeɪ.ʃən

attenuation

衰减, 减弱, 缩小
Meaning
The reduction of the force, effect, or value of something.
Example
The attenuation of sound waves affects communication.
声音波的衰减会影响通讯。
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 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 /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 /ɑːmz/

alms

施舍
Meaning
Money, food, or goods given to the poor as charity.
Example
The monk distributed alms to the needy villagers.
僧侣把施舍分发给贫穷的村民。
C2 noun /əbˈdʌktər/

abductor

绑架者
Meaning
a person who kidnaps or forcibly takes someone away
Example
The police arrested the abductor after a nationwide search.
警方在长时间搜查后逮捕了绑架者。
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 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 /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 /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 /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 noun /əˈsper.ɪ.ti/

asperity

Meaning
Harshness of tone, manner, or surface.
Example
She spoke with asperity when she was interrupted.
C2 noun /əˈfleɪtəs/

afflatus

神圣的灵感
Meaning
a sudden divine inspiration or creative impulse
Example
The poet wrote the verses under a sudden afflatus of inspiration.
诗人在突然的神圣灵感下写下了诗句。
C2 adjective /ɔːˈrɔːrəl/

auroral

与极光相关
Meaning
Relating to or resembling the aurora, especially the northern lights.
Example
The scientists observed auroral activity in the night sky.
科学家们在夜空中观察到了欧若拉活动。
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 /ˌæk.rəˈfoʊ.bi.ə/

acrophobia

对高度的恐惧
Meaning
An extreme or irrational fear of heights.
Example
Her acrophobia prevented her from climbing the tall building.
她的恐高症阻止她爬上高楼。
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 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 /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 /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 noun /əˈrɔɪ.oʊ/

arroyo

干河床
Meaning
A dry creek or stream bed that temporarily fills with water after heavy rain.
Example
After the storm, the arroyo quickly filled with rushing water.
风暴过后，干河床迅速被水填满。
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 adverb /əˈmʌk/

amuck

疯狂地
Meaning
in a frenzied, uncontrolled, or chaotic manner
Example
The bull ran amuck through the village.
公牛在村子里疯狂地奔跑。
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 adjective /əˈkwɪzətɪv/

acquisitive

Meaning
excessively interested in acquiring money or material things
Example
The acquisitive businessman bought every piece of land he could find.
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 /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 adjective /əˈθɜːrst/

athirst

渴望, 渴求
Meaning
Very eager or desirous for something.
Example
The explorer was athirst for adventure.
探险家渴望冒险。
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。
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 adjective /eɪˈsɛptɪk/

aseptic

无菌的
Meaning
Free from contamination caused by harmful microorganisms; sterile.
Example
Surgeons must work in an aseptic environment to prevent infection.
外科医生必须在无菌环境中工作，以防止感染。
C2 verb /ˈɔːɡər/

augur

预示
Meaning
To be a sign of something to come; to predict or foretell.
Example
Dark clouds augur a coming storm.
乌云预示着即将来临的风暴。
C2 verb /ˈæbrəɡeɪt/

abrogate

废除
Meaning
To formally repeal, cancel, or abolish a law, agreement, or custom.
Example
The government decided to abrogate the outdated treaty.
政府决定废除过时的条约。
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 /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 noun /ˈæmɪti/

amity

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

affable

和蔼可亲
Meaning
friendly, easy to talk to, and pleasant in manner
Example
He is such an affable host that everyone feels comfortable at his parties.
他是一个和蔼可亲的主人，每个人在他的聚会上都感到很舒适。
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 /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 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 verb /ˈæmbl/

amble

慢慢走
Meaning
To walk at a slow, relaxed pace.
Example
They amble through the park on Sunday mornings.
他们在星期天早上悠闲地走过公园。
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 /ˈækəlaɪt/

acolyte

Meaning
a follower or assistant, especially in a religious service or as a devoted supporter of a leader
Example
The senator arrived with a small group of acolytes who handled the press.
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 /ˈæntiruːm/

anteroom

前厅
Meaning
A small room leading to a main one, often used as a waiting area.
Example
The guests waited in the anteroom before being called inside.
客人在被叫进去之前在前厅等待。
C2 noun /ˈeə.rəm/

Arum

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

adjudge

裁决
Meaning
to consider or declare officially in a legal or formal manner
Example
He was adjudged guilty by the court.
他被法院判定有罪。
C2 noun /əˈdɛndəm/

addendum

附录
Meaning
an additional item or piece of information added at the end of a document or book
Example
The report included an addendum with updated statistics.
报告中包含了带有更新统计数据的附录。
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 verb /ˈæd.l̩/

addle

迷惑
Meaning
To confuse or muddle someone’s mind.
Example
The complicated instructions only served to addle him.
复杂的指令只会让他感到困惑。
C2 noun ˌæm.ɔː.tɪˈzeɪ.ʃən

amortization

摊销
Meaning
The process of paying off debt with regular payments over time.
Example
The amortization schedule showed a 10-year repayment plan.
摊销计划显示了一个10年的还款计划。
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 adverb /ˌeɪˈmɔːrəli/

amorally

非道德地
Meaning
In a way that shows no concern about whether behavior is morally right or wrong.
Example
He acted amorally, ignoring the consequences of his actions.
他以非道德的方式行事，忽视了他的行为后果。
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 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 /ˈɔːldər/

alder

榆树
Meaning
A type of tree from the birch family that typically grows in wet ground and has simple, serrated leaves.
Example
The alder trees grew thick along the riverbank.
榆树在河岸旁茂密生长。
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 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 /əˈnɔɪnt/

anoint

涂油, 奉献
Meaning
To smear or rub with oil, often as part of a religious ceremony or as a sign of consecration.
Example
The priest anointed the king with holy oil.
神父用圣油涂抹国王。
C2 verb /əˈsɪdɪfaɪ/

acidify

酸化
Meaning
to make something acidic or more acidic
Example
Farmers worry that pollution will acidify the soil.
农民担心污染会使土壤酸化。
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 /əˈnɔɪnt.mənt/

anointment

涂抹仪式
Meaning
The act of anointing, usually with oil, as part of a ritual or ceremony.
Example
The anointment of the new leader was a sacred ritual.
新领导人的涂抹仪式是一项神圣的仪式。
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 verb /ˌæd ˈlɪb/

ad-lib

即兴
Meaning
to speak or perform without preparation; to improvise
Example
The comedian ad-libbed a joke when the microphone failed.
喜剧演员在麦克风故障时即兴编了一个笑话。
C2 verb /əˈbeɪs/

abase

贬低
Meaning
to belittle or degrade someone
Example
He refused to abase himself before the king.
他拒绝在国王面前贬低自己。
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 noun /əˈɡrɒnəmɪst/

agronomist

农业学家
Meaning
A scientist who studies soil management and crop production.
Example
The agronomist suggested new methods to improve rice yields.
农业学家建议了一些新的方法，以提高水稻产量。
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 adjective /ˈæfərənt/

afferent

传入
Meaning
carrying impulses toward a central organ or part, especially toward the brain or spinal cord
Example
Afferent nerves carry signals from the body to the brain.
传入神经将信号从身体传送到大脑。
C2 noun /əˈdjuː/

adieu

Meaning
A farewell or goodbye, often used in a formal or poetic sense.
Example
She bid her friends adieu before leaving for France.
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 /ˌæv.oʊˈkeɪ.ʃən/

avocation

副业
Meaning
a hobby or minor occupation pursued in addition to one's main work
Example
Painting is his avocation after office hours.
绘画是他下班后的副业。
C2 noun /ˈæn.əlz/

annals

年鉴
Meaning
Historical records of events, usually arranged chronologically.
Example
Her name will be remembered in the annals of science.
她的名字将在科学年鉴中被铭记。
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 /əˌkædəˈmɪʃən/

academician

学者
Meaning
a member of an academy; a scholar or expert in a field of study
Example
The academicians gathered to discuss the future of education.
学者们聚在一起讨论教育的未来。
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 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 adjective, noun /ˈænθrəpɔɪd/

anthropoid

人猿类
Meaning
Resembling a human being in form; a primate such as apes and monkeys.
Example
The gorilla is considered an anthropoid ape.
大猩猩被认为是人猿类的猩猩。
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 adjective /ˌæntɪˈθɛtɪkəl/

antithetical

对立的
Meaning
Directly opposed or contrasted; mutually incompatible.
Example
His views were antithetical to the values of the organization.
他的观点与组织的价值观完全对立。
C2 noun /ˈɔːldərmənʃɪp/

aldermanship

市议员职位
Meaning
The office, position, or dignity of an alderman.
Example
He was honored with aldermanship after years of service.
他在多年服务后，因市议员职位而获奖。
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 verb /ˌæpərˈteɪn/

appertain

属于
Meaning
to relate to or be connected with something
Example
The rules only appertain to members of the club.
规则只适用于俱乐部的成员。
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 /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 /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 adjective, adverb /əˈbʌvˌbɔːrd/

aboveboard

诚实和公开
Meaning
Open and honest; without deception or trickery.
Example
The business deal was completely aboveboard.
商业交易完全诚实和公开。
C2 noun /ˈɑːrtləsnəs/

artlessness

简朴, 自然
Meaning
The quality of being natural and simple without deceit or pretension.
Example
Her artlessness made her beloved by all.
她的artlessness使她受到所有人的喜爱。
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 verb /əˈreɪn/

arraign

起诉
Meaning
to formally accuse someone in a court of law and ask them to respond to the charges
Example
The suspect was arraigned before the judge this morning.
嫌疑人在今天早晨被指控出庭。
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 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 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 /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 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 /ˌænɪmədˈvɜːt/

animadvert

批评
Meaning
To comment critically or unfavorably.
Example
The teacher animadverted on the student's careless mistakes.
老师批评了学生的粗心错误。
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 /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 adjective /əˈpɒ.krɪ.fəl/

apocryphal

可疑的
Meaning
Of doubtful authenticity, though widely circulated as true.
Example
The story about him saving the village is probably apocryphal.
他救村庄的故事可能是可疑的。
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 /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 noun /ˌækwəˈpɒnɪks/

aquaponics

水培水产
Meaning
A system of aquaculture in which the waste produced by farmed fish or other aquatic animals supplies nutrients for plants grown hydroponically.
Example
Aquaponics efficiently utilizes water by integrating fish and plant farming.
水培水产通过将鱼类和植物养殖结合有效利用水资源。