adroit
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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 /ˈfɪl.ə.dʒɪ.nɪst/

philogynist

一个热爱或钦佩女性的人
Meaning
a person who loves or admires women
Example
As a known philogynist, he advocated for women's education.
作为一位著名的菲洛吉尼斯特，他倡导女性的教育。
C2 noun /ɒkˈteɪvoʊ/

octavo

八开 (通过将纸张折叠成八个部分而产生的书籍大小)
Meaning
A size of book page resulting from folding a sheet of paper into eight leaves (sixteen pages).
Example
The old library contained rare octavo editions of Shakespeare.
这座古老的图书馆里有莎士比亚的稀有八开版书籍。
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 /ˌɛntəˈmɒlədʒi/

entomology

昆虫学
Meaning
The scientific study of insects.
Example
She studied entomology to understand the behavior of bees.
她学习昆虫学以了解蜜蜂的行为。
C2 noun /wɛlp/

whelp

小狗
Meaning
a young offspring of a dog or other carnivorous mammal; sometimes used to mean an impudent young person
Example
The farmer found a wolf whelp hiding near the barn.
农民在谷仓附近发现了一只藏起来的狼崽。
C2 noun /ˈmeɪsə/

mesa

台地
Meaning
An isolated flat-topped hill with steep sides, found in arid regions.
Example
The hikers stopped to admire the mesa rising above the desert floor.
远足者停下来欣赏那座高出沙漠地面的梅萨。
C2 noun /ˈtæksɪˌdɜːrmi/

taxidermy

标本制作
Meaning
The art of preparing, stuffing, and mounting the skins of animals for display.
Example
The museum had a large collection of taxidermy animals.
博物馆里有一大批动物标本。
C2 noun /ˈlɛvi/

levee

堤坝
Meaning
An embankment built to prevent the overflow of a river or to hold back water.
Example
The town built a levee to protect itself from flooding.
该市建造了一座堤坝，以防洪水。
C2 noun /ˈkɒliər/

collier

煤矿工人
Meaning
a person who works in coal mines or a ship carrying coal
Example
The collier spent long hours underground extracting coal.
煤矿工人花了很长时间在地下开采煤炭。
C2 noun /ˈvɪtəlz/

victuals

食品
Meaning
Food or provisions, especially for human consumption.
Example
The travelers packed enough victuals for their long journey.
旅行者为他们的长途旅行打包了足够的食物。
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 noun /ˈdɪfθɒŋ/

diphthong

双元音
Meaning
A complex vowel sound that begins with one vowel and glides into another within the same syllable.
Example
The word 'coin' contains a diphthong.
单词 'coin' 包含一个双元音。
C2 noun /ˌmælˈoʊdər/

malodor

难闻的气味
Meaning
An unpleasant smell; bad odor.
Example
The garbage bin gave off a terrible malodor.
垃圾桶散发出可怕的难闻的气味。
C2 adjective /ˈdʒɒkjələr/

jocular

爱开玩笑的
Meaning
fond of or characterized by joking; humorous
Example
His jocular nature made him popular among colleagues.
他爱开玩笑的性格让他在同事中很受欢迎。
C2 noun /ˌmɪnəˈrɛt/

minaret

宣礼塔
Meaning
A tall, slender tower of a mosque, from which the call to prayer is announced.
Example
The minaret of the mosque could be seen from miles away.
清真寺的宣礼塔可以从几英里外看到。
C2 adjective /ˈdʌlsɪt/

dulcet

甜美
Meaning
sweet and soothing (often used ironically)
Example
She was enchanted by his dulcet voice.
她被他甜美的声音迷住了。
C2 noun /sɛnˈsɔːrɪəm/

sensorium

感觉中枢
Meaning
The part of the brain or mind concerned with the reception and interpretation of sensory stimuli.
Example
The patient’s sensorium was clouded after the accident.
事故后，病人的感觉中枢受到干扰。
C2 noun /ˈsætræp/

satrap

总督
Meaning
a governor of a province in ancient Persia; also used figuratively for a subordinate ruler
Example
The king appointed a satrap to oversee the distant province.
国王任命了一个总督来管理遥远的省份。
C2 noun /ˈɡɜːrdər/

girder

钢梁
Meaning
a large, strong beam used to support buildings or bridges
Example
The steel girders held the weight of the bridge.
钢铁梁支撑了桥的重量。
C2 noun /ˌbækəˈneɪliə/

bacchanalia

纵酒狂欢
Meaning
A Roman festival of Bacchus celebrated with dancing, drinking, and revelry; any occasion of wild and drunken revelry.
Example
The novel describes the party as a bacchanalia of excess and joy.
小说将这个派对描述为一个过度和欢乐的巴卡纳利亚。
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 /ɛnˈkɪndl/

enkindle

点燃，激发
Meaning
to set on fire or inspire strong emotion
Example
The speech enkindled hope in the audience.
演讲点燃了观众心中的希望。
C2 verb /daʊz/

dowse

使用占卜棒寻找地下水或矿物; 也指用液体浸湿或扑灭。
Meaning
To search for underground water or minerals using a divining rod; also to drench or extinguish with liquid.
Example
The farmer tried to dowse for water in the dry field.
农民试图在干旱的田地中寻找水源。
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 verb /ˈbændi/

bandy

Meaning
To pass (words, ideas, or gossip) back and forth in a casual or argumentative way.
Example
They bandied jokes across the table.
C2 noun ˈtɛlɪˌmɛtri

telemetry

遥测
Meaning
The process of recording and transmitting the readings of an instrument.
Example
The spacecraft transmitted telemetry data back to Earth.
航天器将遥测数据传回地球。
C2 verb /ɪˈfjuːz/

effuse

表达
Meaning
To pour out or express feelings freely and openly.
Example
She effused gratitude for the help she received.
她表达了对收到帮助的感激之情。
C2 verb /əˈbʌt/

abut

相邻
Meaning
to be next to or share a border with
Example
The park abuts the river on the north side.
公园在北边与河流接壤。
C2 noun /ˈlɛtʃ.əri/

lechery

色欲
Meaning
excessive or offensive sexual desire; lustfulness
Example
The novel depicted the lechery of corrupt nobles.
这本小说描述了腐化贵族的色欲。
C2 noun /ˈdɒkɪt/

docket

清单
Meaning
a list or schedule of cases to be tried in a court or items to be done
Example
The judge reviewed the docket before starting the session.
法官在开始会议之前审查了清单。
C2 noun /ˈsɪlədʒɪzəm/

syllogism

三段论
Meaning
A form of reasoning in which a conclusion is drawn from two given or assumed premises.
Example
The philosopher explained the concept of syllogism using simple examples.
哲学家用简单的例子解释了三段论的概念。
C2 noun /rɪˈvaɪ.zəl/

revisal

修订
Meaning
The act of revising, reviewing, or making changes to something.
Example
The revisal of the contract took longer than expected.
合同的修订比预期花费了更多时间。
C2 adjective /rɪˈflɛktɪbəl/

reflectible

可反射的
Meaning
capable of being reflected, as light or an image
Example
The surface of the lake is highly reflectible in the morning sun.
湖面的反射性在早晨的阳光下非常强。
C2 adjective /ˈæpəˌleɪt/

appellate

与上诉有关
Meaning
relating to appeals in a court of law
Example
The case was taken to an appellate court.
案件被提交给了上诉法院。
C2 noun /ˌfaɪ.təʊˈkem.ɪ.kəlz/

phytochemicals

植物化学物质
Meaning
Natural chemical compounds produced by plants that provide health benefits beyond basic nutrition, often having antioxidant properties.
Example
Phytochemicals in green tea help reduce inflammation.
绿茶中的植物化学物质有助于减少炎症。
C2 noun /ˌkɔːrnjuˈkoʊpiə/

cornucopia

某物的丰盈或溢出的供应
Meaning
an abundance or overflowing supply of something
Example
The festival offered a cornucopia of fruits and sweets.
节日提供了丰盛的水果和糖果。
C2 noun /ˈdʒæɡ.ər.i/

Jaggary

甘蔗糖
Meaning
unrefined sugar made from sugarcane or palm sap; a traditional sweetener
Example
My grandmother uses jaggery instead of white sugar in her recipes.
我的祖母在她的食谱中使用甘蔗糖代替白糖。
C2 noun /ˈɔɪl.mən/

Oilman

石油商
Meaning
a person who works in the oil industry; someone who sells oil or petroleum products
Example
The oilman discovered a new oil field in the desert.
石油商在沙漠中发现了一个新的油田。
C2 noun /ɪˈmɛtɪk/

emetic

呕吐药
Meaning
a substance that causes vomiting
Example
The doctor administered an emetic to remove the poison.
医生给病人使用了呕吐药以清除毒素。
C2 noun /ˌɛpɪˈdɜːrmɪs/

epidermis

皮肤的外层
Meaning
the outer layer of cells covering the body of an organism, especially the skin
Example
The epidermis protects the body from harmful bacteria.
表皮保护身体免受有害细菌的侵害。
C2 noun /dʒɔːnt/

jaunt

短途旅行
Meaning
A short journey or excursion, usually taken for pleasure.
Example
They went on a weekend jaunt to the countryside.
他们在周末去了乡村进行短途旅行。
C2 noun /fluːk/

fluke

侥幸
Meaning
A stroke of luck; an unexpected piece of good fortune.
Example
Winning the lottery was a complete fluke.
中彩票简直就是一次完全的侥幸。
C2 adjective /ˈpɛstɪlənt/

pestilent

致命的
Meaning
Causing or tending to cause death or destruction; harmful or pernicious.
Example
The pestilent atmosphere of the swamp made people sick.
沼泽的致命气氛让人们生病。
C2 noun /dreɪk/

Drake

雄鸭
Meaning
a male duck; a type of waterfowl
Example
The drake led his family of ducks across the pond.
那只雄鸭带领它的鸭家族穿过了池塘。
C2 adjective /loʊˈkweɪʃəs/

loquacious

话多的
Meaning
tending to talk a great deal; very talkative
Example
The loquacious child entertained everyone with endless stories.
话多的孩子用无尽的故事娱乐了每个人。
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 /ˈlɪtɪɡənt/

litigant

诉讼人
Meaning
a person involved in a lawsuit
Example
The court summoned both litigants for the hearing.
法院召集了两名诉讼人参加听证会。
C2 noun /ˈfɜːrnəri/

fernery

蕨类植物培育园，培养蕨类植物的地方
Meaning
a place or greenhouse where ferns are cultivated
Example
The garden's fernery was full of exotic plants.
花园的蕨类植物培育园里充满了异国植物。
C2 adjective /ˈtrʌŋkeɪtɪd/

truncated

缩短
Meaning
shortened by cutting off a part; cut short
Example
The meeting was truncated due to time constraints.
由于时间限制，会议被缩短了。
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 noun /ˈlɑːrsəni/

larceny

盗窃
Meaning
The unlawful taking of personal property with intent to deprive the rightful owner of it.
Example
He was arrested for committing larceny at the store.
他因在商店犯盗窃罪被逮捕。
C2 adjective /ɒmˈnɪp.ə.tənt/

omnipotent

全能
Meaning
Having unlimited power; able to do anything; all-powerful.
Example
In many religions, God is considered omnipotent.
在许多宗教中，上帝被认为是全能的。
C2 noun /roʊˈtʌn.də.ti/

rotundity

圆形
Meaning
the quality of being round or plump
Example
The rotundity of the balloon made it float gracefully.
气球的圆形使它优雅地漂浮。
C2 noun /ˈsɪŋ.krə.ni/

synchrony

同步性
Meaning
Coordination in time, harmony in action or movement.
Example
Their dance performance showed perfect synchrony.
他们的舞蹈表演展示了完美的同步性。
C2 noun /pruːd/

prude

过于害羞的人
Meaning
A person who is easily shocked by matters relating to sex or nudity; someone overly modest.
Example
He was called a prude for blushing at the movie scenes.
因为在电影场景中脸红，他被称为过于害羞的人。
C2 noun /ˈflɪpənsi/

flippancy

轻率
Meaning
lack of seriousness; showing a disrespectful or trivial attitude
Example
His flippancy during the meeting offended his colleagues.
他在会议中的轻率让同事们感到不悦。
C2 noun /ˈɡʊrmənd/

gourmand

美食家
Meaning
A person who enjoys eating a lot or has a great appetite for food.
Example
As a true gourmand, he never missed an opportunity to try new dishes.
作为一名真正的美食家，他从不放过尝试新菜肴的机会。
C2 noun /ˈdʒɒlɪti/

jollity

欢庆
Meaning
lively and cheerful activity or celebration
Example
The wedding was full of jollity and laughter.
婚礼充满了欢庆和笑声。
C2 noun /ˈspuːnərɪzəm/

spoonerism

斯普内里兹姆
Meaning
A verbal error in which the initial sounds of words are swapped to create a humorous effect.
Example
He made a spoonerism by saying 'queer old dean' instead of 'dear old queen'.
他通过说'古怪的老院长'代替'亲爱的老皇后'来做了一个斯普内里兹姆。
C2 noun /ˈjuːfəni/

euphony

和谐的音调
Meaning
The quality of being pleasing to the ear, especially through harmonious combination of words.
Example
The orator's speech was full of euphony and rhythm.
演讲者的演讲充满了和谐的音韵和节奏。
C2 noun ˌkɒmpjʊˈteɪʃənəl kəˌmjuːnɪˈkeɪʃən

computational communication

计算通信
Meaning
Digital exchange and automated interaction; the use of computational methods and systems to facilitate communication and information sharing.
Example
Computational communication is reshaping how we share information.
计算通信正在重塑我们共享信息的方式。
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 /briːtʃ/

breech

Meaning
The back part of a gun barrel; a position of a baby in the womb where the buttocks or feet come out first at birth.
Example
The rifle was loaded through the breech.
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 /ˈfrɪski/

Frisky

活泼的; 精力充沛的; 爱玩的; 淘气的
Meaning
lively; energetic; playful; mischievous
Example
The frisky puppy ran around the garden playfully.
那只活泼的小狗在花园里欢快地奔跑。
C2 noun /ˈɡæd.flaɪ/

gadfly

讨厌的人
Meaning
A person who annoys or criticizes others to stimulate change or provoke action.
Example
The journalist was a gadfly, constantly questioning the government's policies.
这位记者是一个讨厌的人，常常质疑政府的政策。
C2 adjective /ˌɪndaɪˈdʒestəbəl/

Indigestible

难以消化; 难以处理
Meaning
difficult or impossible to digest; hard to process in the stomach
Example
The old bread became hard and indigestible.
老面包变得坚硬且难以消化。
C2 noun /ˌpæliˈeɪʃən/

palliation

缓解
Meaning
relief of symptoms without curing the underlying disease or problem
Example
Palliation is often the focus of care for terminally ill patients.
缓解通常是末期患者护理的主要重点。
C2 noun /sɪlf/

sylph

空灵精灵
Meaning
A mythical spirit of the air; also refers to a slender, graceful woman.
Example
She moved across the stage like a sylph, light and graceful.
她像一个空灵精灵一样轻盈而优雅地在舞台上移动。
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 noun /ˈmʌŋɡrəl/

mongrel

杂种狗
Meaning
A dog of mixed breed; sometimes used to describe something mixed or of inferior quality.
Example
The stray dog was a friendly mongrel.
那只流浪狗是一只友好的杂种狗。
C2 noun əˈkjuː.ə.ti

acuity

敏锐度
Meaning
Sharpness or keenness of thought, vision, or hearing.
Example
His intellectual acuity made him a brilliant scientist.
他的智力敏锐度使他成为一位杰出的科学家。
C2 noun /dɪˈstreɪnər/

distrainor

财产征收人
Meaning
a person, usually a landlord, who seizes another's property for unpaid debt or rent
Example
The distrainor took possession of the tenant's car until the debt was cleared.
财产征收人扣押了租户的车，直到债务清偿。
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 /kæd/

Cad

坏蛋; 粗鲁
Meaning
a man who behaves dishonorably, especially toward women
Example
Everyone at the party avoided him because he was known to be a cad.
派对上的每个人都避开了他，因为他以一个坏蛋著称。
C2 adjective /ˈlɔːdəˌtɔːri/

laudatory

赞扬的
Meaning
Expressing praise or admiration.
Example
She wrote a laudatory review of the new book.
她写了本书的赞扬评论。
C2 noun /ˈʃʊərəti/

surety

担保人
Meaning
a person who takes responsibility for another's performance of an undertaking, such as appearing in court or paying a debt
Example
The landlord required a surety before renting the apartment.
房东在出租公寓之前要求提供保证人。
C2 noun /rɛtʃ/

wretch

不幸的人
Meaning
an unfortunate or miserable person; a despicable or contemptible person
Example
The poor wretch was left out in the cold with no shelter.
那个不幸的人被遗弃在寒冷中，没有避难所。
C2 noun /ˈɒrɪz(ə)n/

orison

祷告
Meaning
a prayer, especially a devout or formal one
Example
He whispered a quiet orison before going to sleep.
他在睡觉前低声祈祷。
C2 noun /ˌpɪəriəˈdɪsɪti/

periodicity

周期性
Meaning
The quality or state of being regular or recurring at intervals.
Example
The periodicity of the moon’s phases has fascinated humans for centuries.
月亮相位的周期性几个世纪以来一直吸引着人类。
C2 noun /sɜːrˈsiːs/

surcease

停止
Meaning
a temporary or final ending or stopping of something
Example
The noise finally came to a surcease after midnight.
噪音在午夜后终于停止了。
C2 noun /liː/

lea

草地
Meaning
An open area of grassy or arable land; a meadow.
Example
The cottage was surrounded by a quiet lea.
小屋被一片宁静的草地包围着。
C2 adjective /ˈloʊð.səm/

Loathsome

令人厌恶的
Meaning
causing hatred or disgust; repulsive
Example
The loathsome smell from the garbage made everyone leave the room.
垃圾散发出的令人厌恶的气味让每个人离开了房间。
C2 noun /ˈswɑːvɪti/

suavity

优雅与魅力
Meaning
smoothness and charm in manner
Example
His suavity made him popular in social gatherings.
他的优雅与魅力使他在社交聚会中很受欢迎。
C2 noun /ˈdʌblɪt/

doublet

双件外套 / 紧身夹克
Meaning
a close-fitting jacket worn by men in the Renaissance; also, a pair of similar things
Example
The actor wore a velvet doublet for the Shakespearean play.
演员为莎士比亚的戏剧穿了一件天鹅绒的达布雷特。
C2 noun /ˈpɒlɪti/

polity

政治，政府形式
Meaning
an organized society or form of government
Example
The ancient Greek polity had a system of city-states.
古希腊的政治有一个城邦制度。
C2 adjective /ɪnˈsɛptɪv/

inceptive

初始
Meaning
Relating to or marking the beginning or initial stage of something.
Example
The inceptive phase of the project was marked by enthusiastic planning.
项目的初始阶段是通过充满热情的规划来标志的。
C2 noun /oʊˈbleɪʃən/

oblation

献祭
Meaning
a religious offering, especially of bread or wine to God
Example
The priest placed the oblation on the altar during the ceremony.
祭司在仪式中将献祭放在祭坛上。
C2 noun /ˌkæstɪˈɡeɪʃən/

castigation

严厉的批评或惩罚
Meaning
Severe criticism or punishment for wrongdoing.
Example
The manager’s harsh castigation shocked the entire team.
经理的严厉批评震惊了整个团队。
C2 adjective, noun /bɪˈtroʊðd/

betrothed

订婚的
Meaning
Engaged to be married; a person who is engaged.
Example
She introduced him as her betrothed.
她把他介绍为她的未婚夫。
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 /ˈdʒɪŋɡoʊɪst/

jingoist

极端民族主义者
Meaning
a person who supports jingoism; an extreme nationalist with aggressive foreign policies
Example
He was labeled a jingoist for his extreme views.
由于他的极端观点，他被贴上了极端民族主义者的标签。
C2 noun /ˈaɪ.kɒn/

ikon

宗教图像或符号
Meaning
A religious image or symbol, especially in the Eastern Orthodox Church.
Example
The church displayed a beautifully painted ikon of the Virgin Mary.
教堂展示了美丽的圣母玛利亚圣像。
C2 noun /mæn əv wɔːr/

Man of war

战舰
Meaning
a warship; a naval vessel equipped with weapons for warfare
Example
The man of war sailed across the ocean to defend the coast.
战舰横渡大洋，保护海岸。
C2 verb /ɪˈfeɪs/

efface

抹去
Meaning
To erase or wipe out something; to make oneself inconspicuous.
Example
Time had effaced the letters on the old gravestone.
时间已经抹去了旧墓碑上的字母。
C2 noun /lɪˈnoʊ.li.əm/

linoleum

油布
Meaning
a durable, washable floor covering made from solidified linseed oil, wood flour, or cork dust on a canvas backing
Example
They decided to cover the kitchen floor with linoleum.
他们决定用油布覆盖厨房的地板。
C2 adjective /ˌɪnɪkˈsprɛsəbl/

inexpressible

难以言喻
Meaning
Too strong or extreme to be expressed in words.
Example
She felt inexpressible joy at the news of her success.
她得知自己成功的消息时感到难以言喻的喜悦。
C2 noun /laʊt/

lout

粗人
Meaning
An uncouth or aggressive man or boy.
Example
The drunken lout caused a scene at the party.
那个醉酒的粗人把派对弄得一团糟。
C2 noun /ˈɪndɪkənt/

indicant

指示物
Meaning
Something that indicates or points to a fact or condition.
Example
High fever is often an indicant of infection.
高烧通常是感染的指示物。
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 /mɛnˈdæsəti/

mendacity

虚伪
Meaning
the tendency to be untruthful; dishonesty
Example
The journalist exposed the mendacity of the officials.
记者揭露了官员的虚伪。
C2 noun /maɪˈkrɒmɪtər/

micrometer

千分尺
Meaning
A device used for measuring small distances with great accuracy.
Example
The engineer used a micrometer to measure the thickness of the wire.
工程师使用了一个微米尺来测量电线的厚度。
C2 noun ˌmɛtəkɒɡˈnɪʃən

metacognition

思考思考
Meaning
Awareness and understanding of one's own thought processes
Example
Metacognition enhances problem-solving abilities.
元认知增强了解决问题的能力。
C2 adjective /ˈruːbɪkənd/

rubicund

红润的脸
Meaning
Having a healthy reddish complexion.
Example
The old man’s rubicund face showed he was in good health.
那位老人的红润脸庞显示他身体健康。
C2 noun /ɪˈskʌtʃən/

escutcheon

带有家族徽章的盾牌
Meaning
a shield or emblem bearing a coat of arms
Example
The family crest was displayed on the escutcheon above the fireplace.
家族徽章展示在壁炉上方的盾牌上。
C2 adjective /saɪˈdɪəriəl/

sidereal

恒星的
Meaning
Relating to the stars or constellations; measured relative to the stars.
Example
Astronomers use sidereal time to track the positions of stars.
天文学家使用恒星时间来追踪星星的位置。
C2 noun /ˈluː.mən/

lumen

流明
Meaning
A unit of luminous flux, measuring the amount of visible light emitted by a source.
Example
The bulb produces 800 lumens of light.
灯泡产生800流明的光。
C2 noun /dʒenˈtɪl.ə.ti/

Gentility

绅士风度; 精致
Meaning
social superiority as demonstrated by polite and refined manners; the quality of being well-mannered and refined
Example
Her natural gentility and grace made her popular among high society circles.
她的自然绅士风度和优雅使她在上层社会圈子中非常受欢迎。
C2 adjective /ʌnˈflæpəbəl/

unflappable

冷静沉着
Meaning
calm and composed, especially in difficult situations
Example
Despite the crisis, he remained unflappable and confident.
尽管面临危机，他依然保持冷静沉着，充满自信。
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 noun /ˌdɪsrɪˈpjuːt/

disrepute

恶名
Meaning
the state of being held in low esteem or having a bad reputation
Example
The scandal brought the politician into disrepute.
丑闻使这位政治家名声扫地。
C2 noun /ˈdʒæk.dɔː/

Jack-daw

小乌鸦
Meaning
a small gray and black bird of the crow family, known for its intelligence
Example
The jackdaw collected shiny objects for its nest.
杰克道收集了闪亮的物品为它的巢。
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 verb /əˈɡriːv/

aggrieve

使愤怒
Meaning
to cause distress or make someone feel resentful
Example
She felt aggrieved by the unfair decision.
她因不公平的决定而感到不满。
C2 noun /pəˈveɪʒən/

pervasion

传播
Meaning
the act of spreading through or being present everywhere in something
Example
There was a pervasion of hope throughout the community.
整个社区充满了希望的传播。
C2 adjective /ˈluːpi/

loopy

疯癫
Meaning
crazy, silly, or eccentric
Example
After working all night, he felt a little loopy.
整夜工作后，他感觉有点疯癫。
C2 adjective /ˌsuːprəˈmʌndeɪn/

supramundane

超世俗
Meaning
beyond the physical or ordinary world; transcendent
Example
The monk spoke of supramundane peace beyond material life.
和尚讲述了超越物质生活的超世俗的平静。
C2 noun /ˈʃɪbəˌlɛθ/

shibboleth

区分特定群体的习语或信仰
Meaning
A custom, phrase, or belief distinguishing a particular group of people, often used to identify outsiders.
Example
The phrase became a political shibboleth during the campaign.
这句话在竞选期间成为了一个政治性的shibboleth。
C2 noun /ˈmɔɪəti/

moiety

一半或部分
Meaning
One of two equal parts; a half or portion.
Example
The estate was divided into two moieties between the heirs.
财产在继承人之间分为两部分。
C2 adjective /ˈdɛsəlˌtɔːri/

desultory

杂乱无章
Meaning
lacking a clear plan, purpose, or enthusiasm
Example
His desultory conversation bored the audience.
他那杂乱无章的谈话让观众感到无聊。