unfledged
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C2 adjective /ʌnˈflɛdʒd/

unfledged

未经训练的
Meaning
Inexperienced, immature, or not fully developed.
Example
The unfledged writer struggled to complete his first novel.
这个未经训练的作家难以完成他的第一本小说。
C2 noun /ˈplænɪsfɪr/

planisphere

星图仪
Meaning
a rotating star chart used to display the visible stars for any time and date
Example
The astronomer used a planisphere to identify the constellations.
天文学家使用星图仪来识别星座。
C2 noun /kəˈraʊzl/

carousal

喧闹的聚会
Meaning
A noisy or lively drinking party or festivity.
Example
They were exhausted after a night of wild carousal.
他们在一晚狂欢的喧闹聚会后感到筋疲力尽。
C2 noun /kɒzˈmɒɡ.ə.ni/

cosmogony

宇宙起源学
Meaning
the study or theory of the origin of the universe
Example
The book provides an overview of different cosmogonies throughout history.
这本书提供了关于历史上不同宇宙起源学的概述。
C2 noun /aɪˈoʊtə/

iota

极小的数量
Meaning
An extremely small amount.
Example
He did not show an iota of fear.
他一点儿恐惧都没表现出来。
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 adjective /ˈflʌməksd/

flummoxed

困惑的
Meaning
Completely confused or bewildered.
Example
He looked flummoxed after hearing the strange question.
他听到那个奇怪的问题后，看起来很困惑。
C2 noun /ˈænɪməlˌkjuːl/

animalcule

微生物
Meaning
A microscopic animal, especially a protozoan or other minute organism.
Example
The scientist observed an animalcule moving under the microscope.
科学家在显微镜下观察到一个微生物在移动。
C2 noun /ˈɡɒz.lɪŋ/

gosling

小鹅
Meaning
a young goose
Example
The mother goose carefully protected her goslings.
母鹅小心翼翼地保护着她的小鹅。
C2 verb /diːˈfrɑːk/

defrock

解除神职
Meaning
to officially remove a priest or minister from their position and authority
Example
The church decided to defrock the priest after the scandal.
教会决定在丑闻发生后解除神父的职务。
C2 verb /ˈdɛpjʊˌtaɪz/

deputize

任命为副职
Meaning
To appoint someone as a deputy; to act as a substitute or representative.
Example
The sheriff decided to deputize several locals to help maintain order.
治安官决定指派几位当地人以帮助维持秩序。
C2 noun /hɜːrˈbɛəriəm/

herbarium

植物标本馆
Meaning
A collection of preserved plant specimens and associated data used for scientific study.
Example
The university maintains a large herbarium for research and education.
大学为研究和教育保持着一个大型植物标本馆。
C2 verb /fleɪl/

flail

狂乱地挥动或摇摆某物；挣扎
Meaning
to wave or swing something about wildly; to thrash about
Example
He flailed his arms to keep afloat in the water.
他挥动双臂以在水中保持漂浮。
C2 noun /ˌtɜːdʒɪvərˈseɪʃən/

tergiversation

回避, 背离
Meaning
Evasion of straightforward action or speech; changing sides or being inconsistent.
Example
The politician’s tergiversation frustrated his supporters.
政治家的回避行为让他的支持者感到沮丧。
C2 adjective /mæɡˈnæn.ɪ.məs/

magnanimous

宽宏大量, 慷慨, 宽容
Meaning
Very kind and generous, especially towards a rival or someone less powerful than oneself.
Example
His magnanimous nature made him respected by all.
他宽宏大量的天性使他受到所有人的尊重。
C2 noun /ˈkɜːrtʃɪf/

kerchief

头巾
Meaning
a piece of cloth worn around the head or neck
Example
She wore a red kerchief on her head.
她头上戴着一条红色的头巾。
C2 adjective /hɛkˈsæŋɡjələr/

hexangular

六角形的
Meaning
Having six angles or corners.
Example
The artist designed a hexangular frame for the mirror.
艺术家为镜子设计了一个六角形的框架。
C2 noun /ˌpriːdɪˈlɛkʃən/

predilection

偏好
Meaning
A strong liking or preference for something.
Example
She has a predilection for classical music.
她有一个偏好，喜欢古典音乐。
C2 adjective /sɛnˈsɔːriəs/

censorious

过分挑剔
Meaning
severely critical of others
Example
She was always censorious about her colleagues' mistakes.
她总是对同事们的错误非常挑剔。
C2 noun /ˌkɒntrəpəˈzɪʃən/

contraposition

对立面
Meaning
the act of placing two things in opposition for contrast or comparison
Example
The contraposition of the two theories highlighted their differences.
两种理论的对立面突出了它们的差异。
C2 noun /fɪˈlɒl.ə.dʒi/

philology

研究语言在书面历史资料中的应用; 语言学
Meaning
the study of language in written historical sources; linguistics
Example
She devoted her career to philology, researching ancient manuscripts.
她将自己的职业生涯献给了语言学，研究古代手稿。
C2 noun /ˈklærɪən/

Clarion

号角
Meaning
a shrill narrow-tubed war trumpet; a medieval trumpet with a clear piercing tone
Example
The clarion sounded across the battlefield to signal the charge.
号角在战场上响起，标志着进攻的信号。
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。
C2 noun /ˌmɪn.ɪˈstreɪ.ʃən/

ministration

服务
Meaning
The act of providing care, assistance, or religious service.
Example
She recovered thanks to the kind ministrations of the nurses.
她感谢护士们亲切的照料而康复。
C2 adjective /ˈfɪnɪki/

finicky

难以取悦; 对细节非常挑剔
Meaning
difficult to please; very particular about details
Example
He is so finicky about his food that he only eats organic vegetables.
他对食物要求如此挑剔，甚至只吃有机蔬菜。
C2 noun /ˌhoʊ.mi.oʊˈsteɪ.sɪs/

homeostasis

体内平衡，由生理过程维持的生理稳定性
Meaning
The tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
Example
The human body maintains homeostasis through temperature regulation.
人体通过温度调节维持同态稳态。
C2 noun /ˈɪɡ.nəˌmɪn.i/

ignominy

耻辱
Meaning
Public shame, disgrace, or dishonor.
Example
He lived the rest of his life in ignominy after the scandal.
他在丑闻后余生都活在耻辱中。
C2 adjective /ˌɛkstrəˌdʒuːˈdɪʃəl/

extrajudicial

非司法的
Meaning
done outside the authority of the legal system or judicial process
Example
The activists condemned the extrajudicial killings.
活动家谴责了非司法的谋杀。
C2 noun /ˈɡælvəˌnɪzəm/

galvanism

伽尔瓦尼主义
Meaning
Electricity produced by chemical action, especially in a battery; the therapeutic use of electricity in medicine.
Example
Galvanism played a key role in early experiments with electricity.
伽尔瓦尼主义在早期的电学实验中发挥了关键作用。
C2 verb /əˈbɑː.mə.neɪt/

abominate

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

crabbed

难以阅读, 脾气坏
Meaning
difficult to read or understand; ill-tempered
Example
His handwriting was crabbed and almost illegible.
他的字迹难以阅读，几乎无法辨认。
C2 noun /ˈtruːɪzəm/

truism

陈词滥调
Meaning
a statement that is obviously true and says nothing new or interesting
Example
It is a truism that hard work leads to success.
努力工作带来成功，这是一条陈词滥调。
C2 noun /ˈɛksplɪkeɪtər/

explicator

阐释者
Meaning
a person who explains or interprets something in detail
Example
The critic served as an explicator of the poet’s complex works.
评论家担任了诗人复杂作品的阐释者。
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 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 adjective /ɪˈlɪʒən/

elysian

天堂的
Meaning
Relating to or characteristic of paradise; delightful and heavenly.
Example
They spent an elysian week on the quiet island.
他们在宁静的岛屿上度过了一个天堂般的星期。
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 noun /ɪnˈkʌmbrəns/

encumbrance

负担 / 障碍
Meaning
a burden or obstacle that makes progress or movement difficult
Example
Debt can become a serious encumbrance in life.
债务可能成为生活中的严重负担。
C2 noun /prəˈfʌn.dɪ.ti/

profundity

深度或洞察力
Meaning
Deep insight; great depth of knowledge or thought.
Example
The profundity of his words left a lasting impact.
他的话深度留下了持久的影响。
C2 noun /ˈrɒndoʊ/

rondo

音乐作品（具有重复主题）
Meaning
a musical composition with a recurring leading theme
Example
The pianist ended the recital with a lively rondo.
钢琴家以一首生动的朗多结束了演奏。
C2 adjective /ˈnɪɡərdli/

niggardly

小气
Meaning
unwilling to spend or give; stingy or miserly
Example
He was too niggardly to leave a decent tip.
他太小气，舍不得给个体面的小费。
C2 noun /ˌɪn.təˈvɛn.ʃə.nɪ.zəm/

interventionism

干预主义
Meaning
Government policy of active involvement in economic affairs.
Example
The central bank's interventionism helped stabilize inflation.
中央银行的干预主义帮助稳定了通货膨胀。
C2 noun /ˈbækənæl/

bacchanal

狂欢派对
Meaning
A noisy party involving drinking and revelry.
Example
The festival turned into a wild bacchanal by midnight.
节日到半夜变成了一个狂欢派对。
C2 adjective /ɪmˈpɔːrtʃənət/

importunate

缠人的
Meaning
Persistent to the point of annoyance or intrusion
Example
The importunate salesman kept calling despite repeated refusals.
那个缠人的推销员在反复拒绝后仍然继续打电话。
C2 adjective /səˈdʒɛstəbəl/

suggestible

易受影响的
Meaning
easily influenced by the suggestions of others
Example
Children are highly suggestible and may believe what they are told.
孩子们很容易受到影响，可能会相信他们被告知的事情。
C2 noun /kənˌdʒiː.niˈæl.ə.t̬i/

congeniality

和蔼可亲
Meaning
The quality of being pleasant, friendly, and easy to talk to.
Example
His congeniality makes him popular among friends.
他的和蔼可亲使他在朋友中很受欢迎。
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 verb /ˌdɪspəˈzɛs/

dispossess

剥夺
Meaning
to deprive someone of land, property, or other possessions
Example
The new law threatened to dispossess many farmers of their land.
新法律威胁着剥夺许多农民的土地。
C2 adjective ˌʌn.əˈseɪ.lə.bəl

unassailable

不可攻破
Meaning
Unable to be attacked, questioned, or defeated.
Example
An unassailable position ensures dominance.
不可攻破的位置确保主导地位。
C2 verb /kəˈvɔrt/

cavort

开心地跳跃
Meaning
to jump or dance around excitedly
Example
The children cavorted happily in the garden.
孩子们在花园里高兴地跳跃。
C2 verb /əˈkluːd/

occlude

堵塞
Meaning
To block or close up an opening or passage.
Example
The pipe was occluded by mineral deposits.
管道因矿物沉积物而被堵塞。
C2 noun /ˈpɑr.bəl/

Parbal

尖瓜
Meaning
A green vegetable also known as pointed gourd, commonly used in South Asian cuisine
Example
Mother prepared parbal curry with fish.
母亲做了带鱼的尖瓜咖喱。
C2 adjective /djuːˈplɪsɪtəs/

duplicitous

虚伪的
Meaning
Deceitful; deliberately deceptive or dishonest.
Example
The politician was criticized for his duplicitous statements.
这位政治家因其虚伪的言论而受到批评。
C2 adjective /rɪˈkʌmbənt/

recumbent

躺着
Meaning
lying down or in a resting position
Example
He was found recumbent on the sofa after a long day.
他在长时间的一天后被发现躺在沙发上。
C2 adjective /ˈpɛktərəl/

pectoral

胸肌
Meaning
Relating to the chest or breast.
Example
The athlete focused on strengthening his pectoral muscles.
运动员专注于增强他的胸肌。
C2 adjective /ˈmɛtəlˌsʌm/

mettlesome

勇敢的
Meaning
Full of courage and spirit; lively and spirited.
Example
The mettlesome young rider never backed down from a challenge.
勇敢的年轻骑手从不退缩。
C2 verb /kənˈdʒɔɪn/

conjoin

联合
Meaning
to join together or unite; to combine
Example
The two rivers conjoin just before reaching the sea.
两条河流在到达大海之前汇合。
C2 noun /ˈnɛkrəˌmænsər/

necromancer

Meaning
a person who practices necromancy; a wizard or magician who claims to communicate with the dead
Example
The villagers feared the old necromancer who lived at the edge of the forest.
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 /ˈpɜr.fɪ.di/

Perfidy

背叛
Meaning
deliberate breach of faith or trust; treachery; betrayal of trust
Example
His perfidy shocked all who had trusted him.
他的背叛震惊了所有信任他的人。
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。
C2 adjective /koʊˈiːvəl/

coeval

同时代
Meaning
Having the same age, date of origin, or duration; contemporary.
Example
The philosopher was coeval with the rise of modern science.
这位哲学家与现代科学的崛起是同一时代的。
C2 noun /ˈʒɑːndɑːrm/

gendarme

宪兵
Meaning
A French police officer, especially a member of a military-style police force.
Example
The gendarme stopped the car for a routine check.
宪兵因例行检查而拦住了汽车。
C2 verb /ˈmʌfəl/

muffle

压制
Meaning
to make a sound quieter or less distinct; to cover or wrap something to reduce noise or warmth
Example
She tried to muffle her laughter with a scarf.
她试图用围巾压制她的笑声。
C2 noun /ˈmæntl̩/

mantel

壁炉上的架子
Meaning
A shelf above a fireplace, often used for decoration.
Example
She placed family photos on the mantel above the fireplace.
她把家庭照片放在壁炉上的架子上。
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 adjective /ˈdekərəs/

decorous

得体
Meaning
showing proper and polite behavior; marked by good taste
Example
The audience gave a decorous applause after the performance.
观众在演出后给予了得体的掌声。
C2 adjective /ˈwɜːkmənˌlaɪk/

workmanlike

务实
Meaning
Showing efficient, competent, and practical skill, but without flair or creativity.
Example
The carpenter delivered a workmanlike performance on the project.
木匠在项目中交付了一个务实的表现。
C2 verb /diːˈnæʃənəlaɪz/

denationalize

去国有化
Meaning
to transfer ownership from the government to private individuals or companies
Example
The government decided to denationalize the bank to encourage private investment.
政府决定将银行去国有化，以鼓励私人投资。
C2 noun /ˈhɛdʒɪrə/ or /hɪˈdʒaɪrə/

hegira

迁徙, 流亡
Meaning
a journey, especially when undertaken to escape from a dangerous or undesirable situation
Example
The refugees began their hegira across the desert.
难民们开始了穿越沙漠的迁徙。
C2 noun /ˈpɛntəˌɡræm/

pentagram

五角星
Meaning
A five-pointed star often used as a symbol in magic, mysticism, or religion.
Example
The wizard drew a pentagram on the floor as part of the ritual.
魔法师在地板上画了一个五角星，作为仪式的一部分。
C2 noun /lɪˈbrɛtoʊ/

libretto

歌剧本
Meaning
The text of an opera or other long vocal work.
Example
She studied the libretto before attending the opera performance.
她在参加歌剧表演之前学习了歌剧本。
C2 noun /ɜːrˈbænɪti/

urbanity

都市气质
Meaning
refined courtesy, elegance, and sophistication in manner
Example
Her urbanity made her popular among diplomats and leaders.
她的都市气质让她在外交官和领导人中非常受欢迎。
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/verb /dɪsˈfeɪvər/

disfavor

不赞成 / 反感
Meaning
disapproval or dislike; to regard with disapproval
Example
The new policy fell into disfavor with the public.
新政策在公众中失宠。
C2 noun /vərˈmɪl.jən/

Vermillion

鲜红色-橙色; 这种颜色的颜料
Meaning
a bright red-orange color; a pigment of this color
Example
The artist used vermillion paint for the sunset.
艺术家为日落使用了维米利昂颜料。
C2 adjective /ˈswɔːrði/

swarthy

黝黑的
Meaning
Having a dark complexion or skin tone.
Example
The sailor had a swarthy face from years under the sun.
那个水手的脸因为多年在阳光下工作而变得黝黑。
C2 adjective /ɪˈrɛzəluːt/

irresolute

优柔寡断
Meaning
uncertain or indecisive; lacking determination
Example
He stood irresolute at the crossroads, unsure which path to take.
他在十字路口犹豫不决，不知道走哪条路。
C2 adjective /ˈɛdɪfaɪɪŋ/

edifying

启发性的
Meaning
Providing moral or intellectual instruction or enlightenment.
Example
The documentary was both entertaining and edifying.
这部纪录片既娱乐又启发人心。
C2 noun /ˌkʌmˈʌpəns/

comeuppance

应得的惩罚
Meaning
A deserved punishment or fate; just deserts.
Example
The corrupt official finally got his comeuppance in court.
那个腐败的官员最终在法庭上得到了他的应得的惩罚。
C2 noun /ˌpaɪroʊˈmeɪniæk/

pyromaniac

纵火狂
Meaning
A person with an uncontrollable desire to set things on fire.
Example
The pyromaniac was arrested for setting several buildings ablaze.
纵火狂因点燃多座建筑而被逮捕。
C2 noun /ˈɒkjʊlɪst/

oculist

眼科医生
Meaning
An old-fashioned term for an eye doctor or ophthalmologist.
Example
The village oculist was known for treating various eye diseases.
村里的眼科医生以治疗各种眼病而闻名。
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 /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 verb /ˈwɪni/

whinny

嘶鸣
Meaning
to make the high-pitched sound a horse makes
Example
The horse whinnied when it saw its rider.
马看到骑手时，嘶鸣了一声。
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 noun /ˈɪkθiəˌsɔːrz/

ichthyosaurs

鱼龙（已灭绝的海洋爬行动物）
Meaning
Extinct marine reptiles that resembled fish and dolphins, dominant during the Mesozoic era.
Example
Ichthyosaurs were swift predators of the ancient seas.
鱼龙是古代海洋的迅猛掠食者。
C2 noun /ˈtrɪbjuːn/

tribune

Meaning
a person or platform representing the people; historically, a Roman official elected to protect citizens' rights
Example
He was seen as a tribune of the common people.
C2 noun /rɪˈɡætə/

regatta

帆船赛
Meaning
A sporting event consisting of a series of boat or yacht races.
Example
The annual regatta attracted competitors from around the world.
年度帆船赛吸引了来自世界各地的参赛者。
C2 noun /θiˈɒsəfi/

theosophy

神智学
Meaning
A religious or philosophical belief system that seeks direct knowledge of the mysteries of life and the divine.
Example
Theosophy attracted people interested in mysticism and spiritual growth.
神智学吸引了对神秘主义和精神成长感兴趣的人们。
C2 noun /ˈdɛntɪfrɪs/

dentifrice

牙膏
Meaning
a substance such as powder, paste, or liquid used to clean teeth
Example
He bought a new herbal dentifrice from the pharmacy.
他从药店买了新的草本牙膏。
C2 noun, verb /ˌpæm.fləˈtɪər/

pamphleteer

小册子作者
Meaning
a person who writes or distributes pamphlets, often to promote a political or social cause
Example
In the 18th century, many pamphleteers influenced public opinion.
18世纪，许多小册子作者影响了公众舆论。
C2 noun /ˈkælvɪnɪzəm/

calvinism

卡尔文主义
Meaning
A Protestant theological system based on John Calvin’s teachings, emphasizing predestination and the sovereignty of God.
Example
Calvinism played a major role in shaping Protestant theology.
加尔文主义在塑造新教神学中发挥了重要作用。
C2 noun /ˈmæŋɡoʊ fɪʃ/

Mango fish

金目鲈
Meaning
A popular white fish also known as barramundi or Asian sea bass
Example
Mango fish is prized for its delicate flavor and tender texture.
金目鲈因其细腻的味道和嫩滑的质地而受到青睐。
C2 noun মাসকুলোস্কেলেটাল কন্ডিশন

musculoskeletal condition

肌肉骨骼疾病
Meaning
A disorder that affects the muscles, bones, joints, tendons, ligaments, or other structures that support the limbs, neck, and back.
Example
De Quervain's Syndrome is a common musculoskeletal condition.
De Quervain综合症是一种常见的肌肉骨骼疾病。
C2 verb /həˈbɪtʃuˌeɪt/

habituate

使习惯
Meaning
to make someone accustomed to something
Example
The monks habituated themselves to meditation.
僧侣们已经习惯了冥想。
C2 noun /ˈnæfθə/

naphtha

石油醚
Meaning
A flammable oil containing hydrocarbons, obtained from petroleum or coal tar, used as fuel or solvent.
Example
The factory stored barrels of naphtha for industrial use.
工厂储存了工业用途的纳夫塔桶。
C2 verb /dɪˈmɜːr/

demur

反对
Meaning
to raise doubts, objections, or show reluctance
Example
She agreed to help without demur.
她同意在没有异议的情况下提供帮助。
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 adjective /ˈfɒp.ɪʃ/

Foppish

过度关注个人外貌和衣服；对穿着虚荣
Meaning
excessively concerned with one's appearance and clothes; vain about dress
Example
His foppish behavior and expensive clothes made him stand out.
他的foppish行为和昂贵的衣服使他与众不同。
C2 noun /drʌdʒ/

drudge

苦工
Meaning
A person made to do hard, menial, or dull work.
Example
He felt like a drudge, stuck in repetitive tasks all day.
他觉得自己像个苦工，一整天都困在重复的任务中。
C2 verb /ˌpriːɔːrˈdeɪn/

preordain

预定
Meaning
To decide or determine an outcome in advance, especially by fate or divine will.
Example
They believed their meeting was preordained by destiny.
他们相信他们的相遇是命运注定的。
C2 noun /ˈlæɡ.ərd/

Laggard

进展缓慢并落后于其他人的人
Meaning
a person who makes slow progress and falls behind others; someone who is slow to act
Example
The laggard student finally submitted his assignment after the deadline.
那位落后的学生终于在截止日期后提交了作业。
C2 noun /dɛnˈdrɒlədʒi/

dendrology

Meaning
the scientific study of trees and woody plants
Example
He is studying dendrology at the university.
C2 noun /miːd/

mead

蜂蜜酒
Meaning
An alcoholic drink made from fermented honey and water.
Example
The Vikings were known to drink large amounts of mead during feasts.
维京人以在宴会上喝大量的蜂蜜酒而闻名。
C2 noun /ˈkloʊtʃər/

cloture

辩论结束程序
Meaning
a procedure for ending a debate and taking a vote.
Example
The Senate invoked cloture to end the lengthy debate.
参议院启动了辩论结束程序以结束长时间的辩论。
C2 noun /ˈreɪdɪks/

radix

基数
Meaning
the base or root of something; the number on which a system of numeration is built
Example
In mathematics, the decimal system has a radix of ten.
在数学中，十进制系统的基数是十。
C2 noun /ˈhæk.ni ˈkær.ɪdʒ/

Hackney carriage

出租车
Meaning
A taxi; a car licensed to carry passengers for hire
Example
I called a hackney carriage to get to the airport.
我叫了一辆出租车去机场。
C2 noun /ˈmaɪ.nə/

Mynah

八哥
Meaning
a tropical bird with dark feathers that can mimic human speech
Example
The mynah bird repeated every word I said.
八哥鸟重复了我说的每一个词。
C2 verb /ˌsuːpərˈhiːt/

superheat

过热
Meaning
to heat a substance beyond its normal boiling point without it becoming vapor
Example
Engineers superheat the steam to increase the efficiency of the turbine.
工程师将蒸汽超热以提高涡轮机的效率。
C2 noun /nɪb/

nib

钢笔尖
Meaning
the pointed end of a pen used for writing or drawing
Example
He dipped the nib into the ink before writing.
他在写字之前把钢笔尖浸入墨水中。
C2 verb, adjective /ˈstraɪeɪt/

striate

条纹
Meaning
to mark with stripes or grooves; striped or streaked in appearance
Example
The rock surface was striated by glacial movement.
岩石表面因冰川运动而被划出条纹。
C2 verb /ˈsɪmpər/

simper

傻笑或做作的笑
Meaning
to smile in a silly, self-conscious, or affected way
Example
She simpered at his compliment, clearly embarrassed.
她在他的夸奖下傻笑，显然感到尴尬。
C2 verb /ʌpˈhiːv/

upheave

抬起
Meaning
to lift or raise something forcefully; to cause to rise suddenly
Example
The workers had to upheave the heavy stone to clear the path.
工人们不得不抬起重石来清理道路。
C2 verb /əˈɡrɛs/

aggress

攻击
Meaning
to initiate an attack or show hostile behavior
Example
The army chose not to aggress without provocation.
军队决定不在没有挑衅的情况下攻击。
C2 noun /ˈkæt.aɪ.ɒn ɪksˌtʃeɪndʒ/

cation-exchange

阳离子交换
Meaning
A chemical process in soil that helps retain nutrients.
Example
The cation-exchange capacity of soil affects plant growth.
土壤的阳离子交换容量会影响植物的生长。
C2 noun /ˈflɒtsəm/

flotsam

漂浮的残骸
Meaning
Floating debris from a shipwreck or things discarded and left floating.
Example
The beach was littered with flotsam after the storm.
暴风雨后，海滩上充满了漂浮的残骸。
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 /ˈpjuː.pɪ.lɪdʒ/

pupilage

学徒状态
Meaning
The state of being a pupil or under instruction.
Example
During his pupilage, he studied law under a senior barrister.
在他的学徒状态期间，他在一位资深律师的指导下学习了法律。
C2 noun /sɪˈnɛrəsɪs/

syneresis

协同作用
Meaning
The contraction of two adjacent vowels into a single syllable or the separation of liquid from a gel.
Example
The yogurt showed syneresis when liquid separated on top.
当液体在上面分离时，酸奶表现出协同作用。
C2 adjective /ɪmˌpɜːrˈsweɪdəbl/

impersuadable

难以说服
Meaning
not able to be convinced or persuaded
Example
She remained impersuadable despite all our arguments.
尽管我们的所有论点，她仍然难以说服。