dictum
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C2 noun /ˈdɪktəm/

dictum

格言
Meaning
A formal pronouncement, authoritative statement, or maxim.
Example
The judge’s dictum clarified the principle of equality before the law.
法官的格言澄清了法律面前人人平等的原则。
C2 noun /ˈɛpənɪm/

eponym

以某人命名的事物
Meaning
A person after whom a discovery, invention, place, or other thing is named.
Example
Sandwich is an eponym named after the Earl of Sandwich.
三明治是一个以三明治伯爵命名的伊波宁。
C2 adjective /ˈlæmbənt/

lambent

柔和的发光
Meaning
glowing or flickering softly; having a gentle radiance
Example
The lambent light of the candle filled the room with warmth.
蜡烛的柔和光线充满了房间的温暖。
C2 verb /ˈstʌltɪfaɪ/

stultify

使某人或某物显得愚蠢，或阻碍效率和热情
Meaning
to make someone or something appear foolish, or to hinder effectiveness and enthusiasm
Example
The repetitive tasks seemed to stultify the workers' creativity.
重复的任务似乎使工人的创造力变得迟钝。
C2 adjective /ˈveɪpərəs/

Vaporous

蒸汽的; 模糊的
Meaning
consisting of vapor; vague or insubstantial
Example
The morning air was filled with vaporous mist.
早晨的空气充满了蒸汽般的雾气。
C2 verb /fɔːrˈfɛnd/

forfend

保护, 防卫, 避免
Meaning
to protect or defend against something undesirable; to prevent
Example
May good fortune forfend any danger from our journey.
愿好运保护我们，避免任何危险。
C2 noun /ˈɛmbəˌlɪzəm/

embolism

栓塞
Meaning
the sudden blockage of a blood vessel by a clot or other foreign matter
Example
The patient suffered a fatal pulmonary embolism.
患者遭受了致命的肺栓塞。
C2 verb /dʒɪr/

jeer

嘲笑
Meaning
to laugh at someone or something in a cruel or mocking way
Example
The crowd began to jeer at the opposing team.
人群开始对对方球队嘲笑。
C2 adjective /ˌɪrɪˈmiːdiəbl̩/

irremediable

无法修复的
Meaning
Impossible to cure, repair, or remedy.
Example
The damage to the ancient manuscript was irremediable.
古老手稿的损坏是无法修复的。
C2 verb /haɪˈpɒθɪkeɪt/

hypothecate

Meaning
to pledge something, such as property, as security for a debt without giving up possession of it.
Example
The company hypothecated its assets to secure the loan.
C2 adjective /ɪnˈtɛsteɪt/

intestate

死于无遗嘱
Meaning
Having died without leaving a valid will.
Example
She died intestate, so her assets were distributed by law.
她死于无遗嘱，因此她的财产由法律分配。
C2 noun /brəˈkeɪd/

brocade

织锦
Meaning
a rich fabric woven with a raised pattern, often in gold or silver thread
Example
She wore a beautiful brocade dress to the wedding.
她在婚礼上穿着一件漂亮的织锦裙子。
C2 adjective /ˌoʊvərˈwiːnɪŋ/

overweening

过度自负
Meaning
excessively arrogant or prideful
Example
His overweening pride cost him many friends.
他过度的自豪让他失去了许多朋友。
C2 adjective /kənˌtɛmpəˈreɪniəs/

contemporaneous

同时代的
Meaning
existing, happening, or occurring at the same time
Example
The two artists were contemporaneous and often influenced each other.
这两位艺术家是同时代的，并且经常互相影响。
C2 adjective /ˈdʒes.tɪŋ/

Jesting

打趣的
Meaning
joking or teasing in a playful manner
Example
He was only jesting when he said he would quit his job.
他只是开玩笑地说自己要辞掉工作。
C2 adjective /ˈnjuː.mər.ə.bəl/

Numerable

可计数的; 数得出的
Meaning
capable of being counted; countable
Example
The stars in the sky are not numerable.
天空中的星星是不可计数的。
C2 noun /ˌdaɪəˈlɛktɪk/

dialectic

Meaning
A method of argument or reasoning by dialogue, especially as a means of investigating truth.
Example
The philosopher used dialectic to challenge his students' assumptions.
C2 verb /ˈdʒæbər/

jabber

胡言乱语
Meaning
To talk quickly and excitedly but with little sense.
Example
The children jabbered happily after the show.
孩子们在表演后快乐地胡言乱语。
C2 noun /ˈspæŋɡəl/

spangle

亮片
Meaning
A small shiny piece of metal or plastic used for decoration on clothes.
Example
Her dress was covered with silver spangles that glittered in the light.
她的裙子上覆盖着银色的亮片，在光线下闪闪发光。
C2 noun /ˈhɔːrs.liːt͡ʃ/

Horse-leach

马蛭
Meaning
a large species of leech that was traditionally used in veterinary medicine
Example
The veterinarian explained that horse-leach was once commonly used to treat horses.
兽医解释说，马蛭曾广泛用于治疗马匹。
C2 noun /kəˈlɒsəs/

colossus

巨人
Meaning
A person or thing of enormous size, importance, or ability.
Example
Einstein was a colossus in the world of science.
爱因斯坦是科学界的巨人。
C2 adjective /sərˈkjuːɪtəs/

circuitous

迂回路线
Meaning
Longer than the most direct way; roundabout.
Example
He took a circuitous route to avoid traffic.
他走了一条迂回路线以避开交通。
C2 adjective /stɛnˈtɔːriən/

stentorian

震耳欲聋
Meaning
Extremely loud and powerful in sound.
Example
The teacher’s stentorian voice quieted the noisy classroom.
老师那震耳欲聋的声音让嘈杂的教室安静了下来。
C2 noun /ˈtjuːtərʃɪp/

tutorship

辅导
Meaning
The office or position of a tutor; guidance or instruction given by a tutor.
Example
He thrived under the tutorship of his mentor.
他在导师的辅导下取得了成功。
C2 adjective /ˈfʌsti/

fusty

陈腐的，霉臭的
Meaning
smelling stale, damp, or stuffy; old-fashioned
Example
The room smelled fusty after being closed for months.
房间在关了几个月后有了陈腐的味道。
C2 verb /ˈdiːɪfaɪ/

deify

神化
Meaning
to treat or worship someone or something as a god
Example
Some fans deify their favorite celebrities.
一些粉丝将他们的偶像神化。
C2 noun /ˈlɒdʒ.mənt/

lodgment

临时住宿
Meaning
The act of lodging or a place of temporary stay; also a deposit of something.
Example
The soldiers found lodgment in the abandoned house.
士兵们在废弃的房子里找到了临时住宿。
C2 verb /bɪˈhəʊv/

behove

适当
Meaning
British spelling of 'behoove'; to be appropriate or necessary
Example
It would behove the company to listen to its customers.
公司应该听取客户的意见。
C2 noun /ˈbeɪleɪ/

Bele

贝雷鱼
Meaning
a type of freshwater fish found in South Asian rivers, known for its distinctive appearance
Example
The bele fish is commonly caught in the rivers of Bangladesh.
贝雷鱼通常在孟加拉国的河流中被捕获。
C2 verb /ˌdɪsɪnˈtɜːr/

disinter

挖掘
Meaning
to dig up something buried, especially a body
Example
The archaeologists disinterred ancient remains from the site.
考古学家从遗址中挖掘出古代遗骸。
C2 noun /ˈpoʊ.ɪˌtæs.tər/

poetaster

一个劣质或琐碎的诗人
Meaning
an inferior or trivial poet
Example
He was mocked as a poetaster by the literary critics.
他被文学评论家当作诗人废物嘲笑。
C2 noun /ˈpɜːrljuː/

purlieu

周边区域
Meaning
The area near or surrounding a place; an outlying or neighboring district.
Example
They spent the afternoon exploring the purlieus of the ancient city.
他们在探索古城的普尔柳地区度过了下午。
C2 adjective /woʊnt/ or /wɔːnt/

wont

习惯
Meaning
accustomed or used to doing something
Example
She rose early, as she was wont to do.
她早早起床，正如她习惯做的那样。
C2 verb /pərˈveɪ/

purvey

提供
Meaning
to supply or provide goods, services, or information, often as a business
Example
The company purveys organic food to health-conscious customers.
该公司向健康意识强的客户提供有机食品。
C2 adjective /ˈɪmənənt/

immanent

内在的
Meaning
existing or operating within; inherent
Example
He believed that moral values are immanent in human nature.
他相信道德价值在人的本性中是内在的。
C2 noun /hʌsk/

husk

外壳
Meaning
the dry outer covering of some fruits or seeds
Example
The corn husk was peeled away before cooking.
玉米的外壳在烹饪前被剥离。
C2 noun /ˈdʒʌɡjələr/

jugular

颈静脉
Meaning
A large vein in the neck that carries blood from the head back to the heart.
Example
The doctor checked the patient's jugular vein for signs of pressure.
医生检查了病人的颈静脉，看是否有压力迹象。
C2 noun /lɑːrˈʒes/

largess

慷慨
Meaning
Generosity in giving gifts or money.
Example
The foundation survived thanks to the largess of wealthy donors.
这个基金会得以生存，多亏了富有捐赠者的慷慨。
C2 adjective /ˈwɪt.ləs/

Witless

愚蠢的; 无知的; 没有智慧的
Meaning
lacking intelligence or wisdom; foolish
Example
His witless remarks during the meeting embarrassed everyone present.
他在会议中的愚蠢言论让所有在场的人都感到尴尬。
C2 noun /ˌɪmpjuˈteɪʃən/

imputation

指控
Meaning
an accusation or attribution of blame
Example
The politician denied the imputation of corruption.
政治家否认了腐败的指控。
C2 adjective /ˈpjuːɪsənt/

puissant

强大的
Meaning
having great power or influence; mighty
Example
The king was a puissant ruler whose word was law.
国王是一个强大的统治者，他的话就是法律。
C2 noun /luːn/

lune

新月
Meaning
A crescent-shaped figure formed by two intersecting arcs; also means 'moon' in French.
Example
The mathematician studied the properties of the lune.
数学家研究了新月的特性。
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 /ˈfuːləri/

foolery

愚蠢
Meaning
Silly or foolish behavior or actions.
Example
His constant foolery made the meeting hard to take seriously.
他不断的愚蠢让会议变得难以认真对待。
C2 adjective /ˌkæləˈrɪfɪk/

calorific

高热量的
Meaning
Relating to the amount of energy contained in food or fuel.
Example
Chocolate is highly calorific, so it should be eaten in moderation.
巧克力热量很高，所以应该适量食用。
C2 noun /ˈhækəlz/

hackles

Meaning
the hairs on the back of an animal’s neck that rise when it is angry or alarmed; figuratively, feelings of anger or resentment
Example
His rude comment raised my hackles.
C2 verb /mʌlkt/

mulct

罚款 / 欺诈
Meaning
to punish by a fine or to defraud someone of money
Example
The corrupt official was mulcted for his misconduct.
腐败的官员因不当行为而被罚款。
C2 noun /ɪkˌspɒstjʊˈleɪʃən/

expostulation

抗议
Meaning
the act of expressing protest or disagreement
Example
His expostulation against the unfair rules was ignored.
他对不公平规则的抗议被忽视了。
C2 noun /ˌfoʊ.nəˈlɑː.dʒi/

phonology

语音学
Meaning
the study of the sound system of a language
Example
She is studying phonology to understand how sounds function in English.
她正在研究语音学，以了解英语中声音的功能。
C2 verb /ɪkˈspɛktəreɪt/

expectorate

吐痰
Meaning
to cough up and spit out mucus from the throat or lungs
Example
The patient began to expectorate thick mucus.
患者开始吐出厚重的粘液。
C2 verb /ˈkɔː.tə.raɪz/

cauterize

烧灼
Meaning
to burn tissue to stop bleeding or prevent infection
Example
The doctor cauterized the wound to stop the bleeding.
医生烧灼伤口以止血。
C2 adjective /ˌhæɡ.i.əˈɡræf.ɪk/

hagiographic

过度恭维的
Meaning
Excessively flattering or idealized, often in a biography or portrayal of someone.
Example
The documentary was criticized for its hagiographic portrayal of the leader.
这部纪录片因其对领导者的过度恭维描写而受到批评。
C2 verb /læmˈbæst/

lambast

严厉批评
Meaning
To criticize harshly or to beat severely.
Example
The coach lambasted the team for their poor performance.
教练因团队表现差而严厉批评了他们。
C2 adjective /ˈvæpɪd/

vapid

乏味的
Meaning
lacking liveliness, flavor, or interest; dull and uninspired
Example
The lecture was so vapid that half the audience fell asleep.
讲座如此乏味，以至于一半的听众都睡着了。
C2 noun /traɪst/

tryst

秘密约会
Meaning
a private romantic meeting between lovers
Example
They arranged a secret tryst in the park.
他们在公园里安排了一个秘密约会。
C2 noun /ˈkwɪzlɪŋ/

quisling

叛徒
Meaning
A traitor who collaborates with an enemy force occupying their country.
Example
During the war, he was branded a quisling for aiding the invaders.
在战争期间，他因帮助入侵者而被贴上了“奎斯林”标签。
C2 verb /lɪr/

leer

猥亵的目光
Meaning
To look at someone in an unpleasant, sly, or sexually suggestive way.
Example
He leered at her in a way that made her uncomfortable.
他用让她不舒服的方式看着她。
C2 noun /proʊˈsiː.ni.əm/

proscenium

舞台前沿
Meaning
the part of a theater stage in front of the curtain; the arch framing the stage
Example
The actors bowed at the proscenium before leaving the stage.
演员在离开舞台之前向舞台前沿鞠躬。
C2 adjective /ˌɪn.trəˈmjʊə.rəl/

intramural

校内
Meaning
Occurring within the walls of a single institution, especially a school or college.
Example
The college organizes intramural sports competitions every semester.
大学每学期组织校内体育比赛。
C2 adjective /ˈfuːlˌhɑːrdi/

foolhardy

轻率的
Meaning
Recklessly bold or rash; taking foolish risks.
Example
It was foolhardy of him to climb the mountain without proper gear.
他在没有适当装备的情况下攀登山峰，真是轻率的行为。
C2 noun /ˈtælɪzmən/

talisman

护身符
Meaning
An object believed to have magical powers or bring good luck.
Example
He always carried a small talisman in his pocket for luck.
他总是随身携带一个小护身符，以求好运。
C2 adverb /ˌpɛlˈmɛl/

pell-mell

杂乱无章
Meaning
In a confused, rushed, or disorderly manner.
Example
The children ran pell-mell through the playground.
孩子们在游乐场里杂乱无章地奔跑。
C2 noun /dɪˈdʒɛnərəsi/

degeneracy

堕落
Meaning
The state of decline or deterioration, often in moral, cultural, or physical qualities.
Example
The novel portrays the moral degeneracy of a corrupt society.
这部小说描绘了一个腐化社会的道德堕落。
C2 adjective /ˌɪnɔːˈspɪʃəs/

Inauspicious

不吉利
Meaning
unlucky; showing signs that future success is unlikely; unfavorable
Example
The dark clouds seemed inauspicious for the wedding.
黑云似乎对婚礼不吉利。
C2 noun/verb /ɡraʊs/

grouse

抱怨 / 一种鸟
Meaning
A type of bird; or to complain or grumble persistently.
Example
He always grouses about the long hours at work.
他总是抱怨工作时长。
C2 noun /ˌdʒiːniˈælədʒɪst/

genealogist

家谱学家
Meaning
A person who studies or traces the history of families and their lineages.
Example
The genealogist uncovered records dating back to the 18th century.
家谱学家发现了追溯到18世纪的记录。
C2 noun /ˈdaɪˌsɪləbəl/

disyllable

双音节词
Meaning
a word consisting of two syllables
Example
The word 'happy' is a disyllable.
‘幸福’这个词是一个双音节词。
C2 verb /ˈɡæmbəl/

gambol

开心地跳跃
Meaning
to run or jump about playfully
Example
The lambs gamboled in the field under the sun.
小羊在阳光下在田野里欢快地跳跃。
C2 verb /rɪˈpruːv/

reprove

批评
Meaning
to criticize or correct someone gently or disapprove of their actions
Example
The teacher reproved the student for being late.
老师因学生迟到而批评了他。
C2 noun /prɒɡˌnɒstɪˈkeɪʃən/

prognostication

预言
Meaning
The act of foretelling or predicting future events.
Example
The astrologer's prognostication fascinated the audience.
占星师的预言吸引了观众。
C2 verb /bɪˈdræɡəl/

bedraggle

通过把东西拖过泥水或水使其湿，脏和乱
Meaning
to make something wet, dirty, and untidy by dragging it through mud or water
Example
The children came home bedraggled after playing in the rain.
孩子们在雨中玩耍后，湿漉漉脏兮兮地回家了。
C2 verb /ʃʌk/

shuck

剥壳
Meaning
To remove the outer covering, such as the husk of corn or shell of shellfish.
Example
She learned how to shuck oysters quickly.
她学会了如何快速打开牡蛎。
C2 noun /dɪsˈtɛmpər/

distemper

一种影响动物的病毒性疾病，特别是狗
Meaning
a viral disease affecting animals, especially dogs; also refers to a state of disorder
Example
The dog was diagnosed with distemper and needed immediate care.
这只狗被诊断为患有犬瘟热，需要立即治疗。
C2 noun /juːˈkeɪs/

ukase

法令
Meaning
An authoritative decree or order, especially one issued by a sovereign or government.
Example
The czar issued a ukase restricting the freedom of the press.
沙皇发布了一项限制新闻自由的法令。
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 adjective /rɪˈmiːdiəbl/

remediable

可修复的
Meaning
capable of being corrected or cured
Example
The mistake was serious but still remediable.
这个错误很严重，但仍然是可修复的。
C2 adjective /ˈleɪ.baɪl/ or /ˈlæb.aɪl/

labile

不稳定的
Meaning
easily altered or unstable; prone to change
Example
Her mood was so labile that it changed several times in an hour.
她的情绪如此不稳定，在一小时内改变了几次。
C2 noun /ˈjuːnɪvəˌlɛns/

univalence

单价性
Meaning
The state of having a single valence or combining power, especially in chemistry.
Example
Hydrogen is characterized by its univalence in chemical reactions.
氢气在化学反应中以其单价性为特点。
C2 adjective /ˈboʊvaɪn/

bovine

与牛相关的
Meaning
relating to cattle; showing a dull or sluggish nature
Example
Her bovine expression revealed no emotions.
她的牛性表情没有表达任何情感。
C2 adjective /ˈvælərəs/

valorous

勇敢的
Meaning
showing great courage and bravery
Example
The valorous soldier led his troop into battle without hesitation.
勇敢的士兵毫不犹豫地带领他的部队进入战斗。
C2 noun /ˈlev.ɪ.ti/

Levity

轻浮; 轻率; 缺乏尊重
Meaning
humor or frivolity, especially the treatment of a serious matter with humor or in a manner lacking due respect
Example
The levity in the courtroom was inappropriate.
法庭上的轻浮是不合适的。
C2 noun /ˈplɛbɪsaɪt/

plebiscite

公民投票
Meaning
a direct vote by the electorate on an important public question
Example
The government held a plebiscite to decide on the new constitution.
政府举行了公民投票，决定新的宪法。
C2 adjective /ʌpˈrɔːr.i.əs/

uproarious

极其滑稽
Meaning
Extremely funny or noisy; causing loud laughter or commotion.
Example
The comedian's jokes were absolutely uproarious.
喜剧演员的笑话绝对是极其滑稽的。
C2 noun /blɑːtʃ/

blotch

污点
Meaning
a large, irregular spot or stain, often on skin or fabric
Example
His shirt had a red blotch from the spilled juice.
他的衬衫上有一个红色的污点，是由洒出的果汁造成的。
C2 adjective /ˈsæ.loʊ/

sallow

黄色的
Meaning
Of an unhealthy yellow or pale brown color, often referring to skin.
Example
His sallow complexion made him look tired and sickly.
他那黄色的肤色让他看起来既疲惫又生病。
C2 adjective /ˌlɛvəlˈhɛdɪd/

levelheaded

冷静和理智
Meaning
calm and sensible; showing good judgment.
Example
She remained levelheaded during the crisis.
她在危机中保持冷静。
C2 verb /ˈproʊtjuːbəreɪt/

protuberate

膨胀
Meaning
To swell out or bulge.
Example
The roots began to protuberate from the ground.
根开始从土壤中膨胀出来。
C2 noun /ˈsɜːrfɪt/

surfeit

过量
Meaning
an excessive amount of something
Example
There was a surfeit of food at the festival.
节日上食物过量。
C2 noun /doʊˈniː/

donee

受赠人
Meaning
A person who receives a gift or donation.
Example
The scholarship fund’s donee expressed heartfelt gratitude.
奖学金基金的受赠人表达了深深的感激之情。
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 verb /kɔːk/

calk

堵塞船只的裂缝
Meaning
To make a boat or ship watertight by filling seams or cracks.
Example
The workers calked the seams of the old boat to prevent leaks.
工人们对旧船的缝隙进行了填塞，以防止泄漏。
C2 adjective /ˌeθ.noʊˈsen.trɪk/

ethnocentric

民族中心主义
Meaning
evaluating other cultures according to the standards of one's own culture
Example
His ethnocentric attitude made it hard for him to appreciate foreign traditions.
他的民族中心主义态度让他很难欣赏外国的传统。
C2 noun /ˌfɪziˈɒnəmi/

physiognomy

面部特征分析
Meaning
the study of facial features to judge character or personality
Example
He believed in physiognomy and tried to read people's personalities from their faces.
他相信面相学，并试图通过人的面部来解读他们的个性。
C2 noun /ɪmˌprɒb.əˈbɪl.ə.ti/

Improbability

不可能性
Meaning
the quality or state of being improbable; unlikely to be true or to happen
Example
The improbability of winning the lottery twice didn't stop her from buying tickets.
两次赢得彩票的可能性几乎为零，但她仍然买了票。
C2 noun /ˈseɪpiəns/

sapience

智慧
Meaning
Wisdom or intelligence.
Example
Her sapience in solving problems earned her the respect of her colleagues.
她在解决问题上的智慧赢得了同事们的尊重。
C2 noun /ˌmɛtəfɪˈzɪʃən/

metaphysician

形而上学家
Meaning
A person who studies or is an expert in metaphysics.
Example
The metaphysician debated the essence of reality with his peers.
形而上学家与同伴们讨论了现实的本质。
C2 verb /ʃiːð/

sheathe

放回剑鞘
Meaning
to put a sword or knife back into its cover
Example
He quickly sheathed his sword after the duel.
他在决斗后迅速把剑重新放回剑鞘。
C2 noun /ˈfrækɑː/

fracas

纷争
Meaning
A noisy disturbance or quarrel.
Example
The fracas outside the bar drew the attention of the police.
酒吧外的纷争引起了警察的注意。
C2 adjective/adverb /feɪn/

fain

心甘情愿地, 乐意地
Meaning
gladly, willingly, or with pleasure
Example
I would fain help you if I had the time.
如果我有时间，我会很乐意帮你。
C2 noun /tækˈsɒnəmɪst/

taxonomist

分类学家
Meaning
A scientist who classifies organisms into groups based on their characteristics.
Example
The taxonomist discovered a new species of insect.
这位分类学家发现了一种新昆虫物种。
C2 verb /ˌmɪskənˈstruː/

misconstrue

误解
Meaning
To interpret something wrongly or misunderstand the meaning.
Example
She misconstrued his silence as anger.
她误解了他的沉默为愤怒。
C2 verb /səbˈsjuːm/

subsume

包括
Meaning
To include or absorb something into a larger group or category.
Example
Minor details were subsumed under the main topic.
次要细节被纳入了主要话题。
C2 noun /ˈlɪŋ.ɡwə/

lingua

语言
Meaning
A language, especially one used for communication among people.
Example
English has become a global lingua for business and science.
英语已经成为商业和科学的全球语言。
C2 adverb, adjective /ˈɡrætɪs/ or /ˈɡreɪtɪs/

gratis

免费
Meaning
Without charge; free of cost.
Example
The drinks at the event were provided gratis.
活动中的饮料是免费的。
C2 noun /ˌvælədɪkˈtɔːriən/

valedictorian

最佳学生
Meaning
The student with the highest academic achievements in a graduating class, often chosen to give the farewell speech.
Example
She was honored as the valedictorian of her class.
她被尊为班级的最佳学生。
C2 noun /fɪˈlæt.əl.i/

philately

邮票收藏学
Meaning
the collection and study of postage stamps
Example
Philately is a hobby enjoyed by people of all ages.
邮票收藏学是一项各年龄段人群都喜爱的爱好。
C2 noun /ɡleɪd/

glade

林中的空地
Meaning
An open space in a forest or woods.
Example
They rested in a sunny glade after their long hike.
他们在长途跋涉后，在一个阳光明媚的空地上休息。
C2 noun /kəˈdʌm.bə/

Kadamba

卡丹巴树
Meaning
A tropical tree with round, fragrant orange flowers, sacred in Hindu culture and associated with Lord Krishna
Example
The kadamba tree is mentioned frequently in ancient Indian poetry.
卡丹巴树在古印度诗歌中经常被提及。
C2 noun /ˈɡræfaɪt/

graphite

石墨
Meaning
a soft, black form of carbon used in pencils and as a lubricant
Example
The artist sketched the portrait using a graphite pencil.
艺术家用石墨铅笔勾画了肖像。
C2 verb /trænzˈmjuːt/

transmute

转化
Meaning
to change in form, nature, or substance
Example
Alchemy aimed to transmute lead into gold.
炼金术旨在将铅转化为黄金。
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 /ˌkæθəˈlɪsɪti/

catholicity

普遍性, 开放思想
Meaning
Universality; broad-mindedness; acceptance of a wide variety of things.
Example
Her catholicity of interests makes her a fascinating person.
她对兴趣的普遍性使她成为一个迷人的人。
C2 verb /ˈvɪlɪfaɪ/

vilify

幸福
Meaning
to speak or write about someone in an abusive or disparaging manner
Example
The politician was vilified in the media for his controversial remarks.
当她收到奖项时，她无法隐藏自己的幸福。
C2 noun /dɪˈbɛntʃər/

debenture

债券
Meaning
a type of debt instrument not secured by physical assets or collateral
Example
The company raised capital by issuing debentures to investors.
公司通过向投资者发行债券筹集资金。
C2 noun /nɛl/

knell

丧钟
Meaning
The sound of a bell, especially when rung solemnly for a death or funeral; a signal of the end or failure of something.
Example
The knell of the church bell echoed through the valley at dusk.
教堂的丧钟在黄昏时分回荡在山谷中。
C2 adjective /ˈkɒlərɪk/

choleric

暴躁的
Meaning
Easily angered; irritable and hot-tempered.
Example
His choleric nature often got him into arguments.
他那暴躁的脾气常常让他卷入争论。
C2 verb /ˈeksɪkreɪt/

execrate

痛恨
Meaning
To feel or express great loathing or hatred for something.
Example
The community execrated the corrupt politician.
社区谴责了腐败的政治家。
C2 verb /ˈsʌpjʊˌreɪt/

suppurate

化脓
Meaning
to form or discharge pus, usually as a result of infection
Example
The wound began to suppurate after a few days.
伤口在几天后开始脓液化。
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 noun /ɡiː/

Ghee

酥油
Meaning
clarified butter used in South Asian cooking
Example
She used ghee instead of butter for cooking the rice.
她在煮米饭时用酥油来代替黄油。
C2 adjective /ˈrɛstɪv/

restive

不安定的
Meaning
unable to stay still or silent; restless and impatient
Example
The crowd grew restive as they waited for the concert to begin.
人群在等待音乐会开始时变得不安定。