petulance
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C2 noun /ˈpɛtjʊləns/

petulance

暴躁
Meaning
The quality of being childishly sulky or bad-tempered.
Example
His petulance during the meeting annoyed everyone.
他在会议中的佩图兰斯让所有人都烦恼。
C2 noun /ˈmɒnəɡræm/

monogram

字母图案
Meaning
A design consisting of two or more letters, typically a person's initials, combined or interwoven.
Example
The towel was embroidered with her monogram.
毛巾上刺绣着她的字母图案。
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 verb /ˈkɒsɪt/

cosset

宠爱
Meaning
to care for and protect in an overindulgent way
Example
The little girl was cosseted by her grandparents.
小女孩被她的祖父母宠爱着。
C2 adjective /ˈliːənaɪn/

leonine

像狮子一样的
Meaning
Of or resembling a lion.
Example
His leonine hair made him stand out in the crowd.
他那像狮子一样的头发让他在人群中显得与众不同。
C2 adjective /ˈflæs.ɪd/

Flaccid

软弱的; 无力的; 松弛的;
Meaning
soft and limp; lacking firmness; drooping
Example
The plant's leaves became flaccid after days without water.
在没有水的几天后，植物的叶子变得软弱无力。
C2 adjective /ˈstɒlɪd/

stolid

冷静的，沉默的
Meaning
Calm, dependable, and showing little emotion or animation.
Example
Despite the chaos around him, he remained stolid and composed.
尽管周围混乱，他依然冷静沉着。
C2 noun /ˌɛpɪˈsaɪklɔɪd/

epicycloid

外摆线
Meaning
a curve traced by a point on the circumference of a circle that rolls around the outside of another circle
Example
The mathematician demonstrated how to draw an epicycloid.
数学家演示了如何绘制外摆线。
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 noun /kɒŋk/

Conck

海螺
Meaning
a shell, especially a large spiral one used as a horn or for decoration
Example
The priest blew the conch shell to signal the start of the ceremony.
祭司吹响了海螺，标志着仪式的开始。
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 /sɪmˈfoʊniəs/

symphonious

Meaning
Harmonious; producing a pleasant sound or agreement of sound.
Example
The choir's voices were symphonious and filled the hall with beauty.
C2 verb /raɪv/

rive

撕裂
Meaning
to tear apart violently
Example
The earthquake rived the ground in several places.
地震在几个地方撕裂了地面。
C2 noun /ˌbuː.ɡənˈvɪl.i.ə/

Bougainvillea

九重葛
Meaning
a tropical climbing plant with colorful bracts surrounding small flowers
Example
The bougainvillea climbing over the garden wall creates a beautiful purple display.
攀爬在花园墙上的九重葛创造了美丽的紫色展示。
C2 noun /juː/

Ewe

母羊
Meaning
a female sheep
Example
The ewe gave birth to twin lambs.
母羊生下了双胞胎羔羊。
C2 adjective /ˈrʌdi/

ruddy

红润
Meaning
Having a healthy red color in the face.
Example
She had a ruddy complexion from working outdoors.
她因为在户外工作，脸上有红润的肤色。
C2 adjective /ˌhaɪ ˈfloʊn/

high-flown

夸张的
Meaning
Using fancy or pretentious language; lofty in style but often overblown.
Example
The politician gave a high-flown speech full of promises.
那位政治家发表了一篇充满承诺的夸张演讲。
C2 noun /ɛmˈpɪrɪˌsɪzəm/

empiricism

经验主义
Meaning
the theory that all knowledge is derived from sense-experience
Example
Empiricism argues that knowledge comes from experience and observation.
经验主义认为，知识来自经验和观察。
C2 noun /kɒn.tɪˈɡjuː.ɪ.ti/

contiguity

接壤
Meaning
the state of being in direct contact or next to each other
Example
The contiguity of the two countries facilitates trade.
这两个国家的接壤促进了贸易。
C2 adjective /ˌdaɪəˈkrɪtɪkəl/

diacritical

变音符号
Meaning
Relating to a mark added to a letter to indicate a different pronunciation or stress.
Example
The word résumé has diacritical marks that change its meaning from resume.
‘简历’一词有变音符号，它改变了‘简历’的意思。
C2 adjective /əˈsɛt.ɪk/

ascetic

苦行
Meaning
Practicing strict self-denial and abstaining from worldly pleasures, often for religious reasons.
Example
He lived an ascetic life in the mountains, far from worldly comforts.
他在山区过着苦行生活，远离世俗的安逸。
C2 adjective /ˌhæfˈhɑːr.tɪd/

halfhearted

半心半意
Meaning
lacking enthusiasm or determination; unenthusiastic
Example
His halfhearted attempt to study did not bring good results.
他半心半意的学习尝试没有带来好结果。
C2 adjective /dɪˈmoʊniˌæk/

demoniac

恶魔般的
Meaning
possessed, produced, or influenced by a demon; frenzied or violent
Example
The soldiers fought with demoniac fury.
士兵们以恶魔般的愤怒作战。
C2 adjective /ˌpriːtərˈnætʃərəl/

preternatural

超自然
Meaning
Beyond what is normal or natural; extraordinary or supernatural.
Example
She had a preternatural ability to remain calm in any crisis.
她在任何危机中保持冷静的能力是超自然的。
C2 noun /ˈsʌbtərˌfjuːdʒ/

subterfuge

欺诈手段
Meaning
Deceit used to achieve one's goal; a trick or excuse to evade something.
Example
They used subterfuge to avoid paying taxes.
他们使用欺诈手段来避免缴税。
C2 noun /ˌpænəˈdʒɪrɪk/

panegyric

赞美诗, 颂辞
Meaning
a formal speech or piece of writing in praise of someone or something
Example
The author wrote a panegyric on the bravery of the soldiers.
作者写了一篇关于士兵英勇的潘尼吉里克。
C2 noun /ˈkwɪkˌsɪlvər/

quicksilver

水银
Meaning
Mercury; a liquid metal, or something that is quick and unpredictable.
Example
His mood was as changeable as quicksilver.
他的情绪像水银一样变化无常。
C2 noun /ɪnˌtɜːrpəˈleɪʃən/

interpolation

插值
Meaning
The act of inserting something into a text or estimating values within a sequence of data.
Example
The scientist used interpolation to predict the missing data points.
科学家使用插值法来预测缺失的数据点。
C2 adjective /kəˈmoʊdiəs/

commodious

宽敞
Meaning
spacious and comfortable; having plenty of room
Example
They rented a commodious apartment in the city.
他们在城市里租了一间宽敞的公寓。
C2 verb /ˌriːkruːˈdɛs/

recrudesce

复发
Meaning
to break out or appear again after a period of dormancy or decline
Example
After months of calm, violence recrudesced in the region.
经过几个月的平静后，暴力在该地区再次爆发。
C2 adjective /ˌbækəˈneɪliən/

bacchanalian

与酗酒相关的
Meaning
Characterized by or involving drunken revelry.
Example
The students threw a bacchanalian party after the exams.
学生们在考试后举办了一场与酗酒相关的派对。
C2 noun /ˈkæθoʊd/

cathode

负极
Meaning
The negative electrode in a device such as a battery or tube, where electrons enter.
Example
The cathode emits electrons in the tube.
阴极在管中发射电子。
C2 adjective /kɔːrˈpɔːriəl/

corporeal

有形的, 物质的
Meaning
relating to the physical body; material or tangible
Example
Ghosts are often described as having no corporeal form.
鬼魂通常被描述为没有有形的形态。
C2 adjective /ˌdɛfəˈrɛnʃəl/

deferential

尊敬的
Meaning
Showing or expressing respect and high regard.
Example
He was always deferential toward his teachers.
他总是对他的老师表现出尊敬。
C2 adjective /sɛpˈtɛnɪəl/

septennial

每七年一次
Meaning
Occurring every seven years.
Example
The festival is a septennial tradition in the village.
这个节日是村里每七年一次的传统。
C2 adjective /ɒˈstɛnsɪv/

ostensive

显性
Meaning
clearly demonstrative or pointing out; explicitly shown
Example
The teacher gave an ostensive example to clarify the concept.
老师举了一个显性的例子来阐明概念。
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 /ˈtʃaɪ.nə roʊz/

China-rose

朱槿
Meaning
a tropical flowering plant with large, showy flowers in various colors
Example
The bright red China-rose flowers decorated the entrance of the house.
鲜红的朱槿花装饰了房子的入口。
C2 adjective /ˈliːwərd/

leeward

背风面
Meaning
On or toward the sheltered side away from the wind.
Example
They built their camp on the leeward side of the hill.
他们在山丘的背风面搭建了营地。
C2 noun /ˈɡʌmp.ʃən/

gumption

勇气, 创新
Meaning
Courage, resourcefulness, or initiative.
Example
It takes real gumption to start your own business.
创业需要真正的勇气。
C2 noun /blæk biː/

Black-bee

黑蜜蜂
Meaning
a large dark-colored bee that makes a loud buzzing sound
Example
The black-bee was buzzing around the flowers in the garden.
黑蜜蜂在花园里的花丛中嗡嗡作响。
C2 noun /ˈlɪbərˌtiːn/

libertine

Meaning
A person who behaves without moral principles, especially in sexual matters.
Example
The novel depicted the reckless life of a libertine in 18th century France.
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 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 noun /ˌdɛkəˈsɪləbəl/

decasyllable

十音节诗行
Meaning
A line of verse with ten syllables.
Example
The poet often wrote in decasyllable form.
诗人经常以十音节诗行的形式写作。
C2 noun /ˈrɪp.lɪt/

ripplet

微小波纹
Meaning
a small or tiny ripple
Example
Tiny ripplets appeared on the lake as the fish moved.
当鱼移动时，湖面上出现了微小波纹。
C2 noun /ˈdɛkəˌɡɒn/

decagon

十边形
Meaning
A polygon with ten sides and ten angles.
Example
The geometry teacher drew a perfect decagon on the board.
几何老师在黑板上画了一个完美的十边形。
C2 noun /ˈmɪsɪv/

missive

信件
Meaning
a written message, especially a formal or official letter
Example
He sent a long missive to the governor.
他给州长发送了一封长信。
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 noun /bɒmˈbeɪ dʌk/

Bombay duck

邦贝鱼
Meaning
a type of lizardfish found in coastal waters, commonly eaten dried and salted in South Asia
Example
Bombay duck is a popular delicacy when dried and fried.
邦贝鱼干燥并油炸后是一种受欢迎的美食。
C2 verb /lɑːl/

loll

懒散地坐着
Meaning
To sit, lie, or stand in a lazy, relaxed way.
Example
He lolled on the sofa after a long day at work.
在长时间的工作后，他懒散地坐在沙发上。
C2 adjective /ˈɪn.dɪ.dʒənt/

indigent

贫困
Meaning
lacking the necessities of life due to poverty; very poor
Example
The hospital offers free care to indigent patients.
医院为贫困患者提供免费护理。
C2 adjective /ˈvɑːlətɪv/

volitive

意愿的
Meaning
Relating to the will or the exercise of the will.
Example
The treaty was signed under volitive agreement between both nations.
该条约是在两国自愿协议下签署的。
C2 adjective /ˌaɪ.kə.nəˈklæs.tɪk/

iconoclastic

特指攻击或拒绝已建立的信仰、传统或价值观
Meaning
Characterized by attacking or rejecting cherished beliefs, traditions, or established values.
Example
Her iconoclastic views challenged the conventional wisdom of the industry.
她的偶像破坏主义观点挑战了行业的传统智慧。
C2 noun /baɪt/

bight

海湾
Meaning
A bend or curve in a geographical feature, especially a coastline, or a loop in a rope.
Example
The sailors anchored in the calm waters of the bight.
水手们在海湾的平静水域中抛锚。
C2 verb /ˌɪntərˈpoʊz/

interpose

Meaning
To place or insert between one thing and another; to intervene in a situation.
Example
He quickly interposed himself between the fighters to stop the quarrel.
C2 noun /kəˈleɪʃən/

collation

汇编
Meaning
the act of collecting, comparing, and arranging in proper order
Example
The librarian spent hours on the collation of old manuscripts.
图书馆员花了几个小时整理古老的手稿。
C2 noun /ɪnˈtɛnʃən/

intension

内涵
Meaning
The internal content of a concept; the set of attributes implied by a word or phrase.
Example
The intension of the word 'dog' includes being a mammal and domesticated.
'狗'这个词的内涵包括是哺乳动物和被驯养。
C2 noun /ˌmɛtəˈfɪzɪks/

metaphysics

形而上学
Meaning
The branch of philosophy that deals with the fundamental nature of reality, existence, and the relationship between mind and matter.
Example
She studied metaphysics to understand the principles of existence beyond physical science.
她学习形而上学，以理解超越物理科学的存在原理。
C2 adjective /ˈrɪbɔːld/

ribald

猥亵笑话
Meaning
Referring to sexual matters in a humorous or vulgar way.
Example
The comedian’s ribald jokes made the audience laugh uncomfortably.
喜剧演员的猥亵笑话让观众不自在地笑了。
C2 adjective /pərˈfɜrvɪd/

perfervid

极其热情的
Meaning
intensely passionate or fervent
Example
She gave a perfervid speech in defense of human rights.
她在为人权辩护时发表了极其热情的演讲。
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 /ˈnaɪəlɪst/

nihilist

虚无主义者
Meaning
A person who rejects all religious and moral principles, often believing that life is meaningless.
Example
He was called a nihilist for rejecting all social norms.
因为拒绝所有社会规范，他被称为虚无主义者。
C2 noun /dɪˈstɪlər/

distiller

蒸馏师
Meaning
A person or company that makes alcoholic drinks or purified liquids by distillation.
Example
The distiller introduced a new brand of whiskey last year.
蒸馏师在去年推出了一款新品牌的威士忌。
C2 adjective /ˈbræsi/

brassy

张扬的
Meaning
loud and showy in a way that lacks good taste; resembling brass in color or sound
Example
She wore a brassy necklace that caught everyone’s attention.
她戴着一条张扬的项链，吸引了所有人的注意。
C2 verb /ɪnˈsnɛər/

ensnare

设圈套
Meaning
to catch or trap, often by trickery or deceit
Example
The hunter ensnared the rabbit with a net.
猎人用网困住了兔子。
C2 noun /ˈmɪs.kri.ənt/

Miscreant

恶棍; 罪犯
Meaning
A person who behaves badly or illegally; a villain or criminal
Example
The miscreant was caught stealing from the store.
这个恶棍在商店偷东西时被抓住了。
C2 noun /ˈkænə/

Canna

坎纳
Meaning
a tropical flowering plant with large, colorful flowers and broad leaves
Example
The bright orange canna lilies grew tall beside the pond.
明亮的橙色坎纳百合在池塘旁长高。
C2 noun /ˈtrʌmpəri/

trumpery

毫无价值的废话或浮华但无价值的东西
Meaning
worthless nonsense or showy but worthless things
Example
The speech was full of political trumpery.
这个演讲充满了政治废话。
C2 verb /dʌn/

dun

催讨债务
Meaning
to demand payment of a debt persistently
Example
The landlord dunned the tenant for unpaid rent.
房东一再催促租客支付未付款项。
C2 adjective ˌnjʊə.rəʊ.prəˈtek.tɪv

neuroprotective

神经保护
Meaning
Having the ability to protect nerve cells from damage, degeneration, or impaired function.
Example
Omega-3 fatty acids have neuroprotective benefits.
欧米伽-3脂肪酸具有神经保护作用。
C2 adjective /kwɪkˈsɑː.t̬ɪk/

quixotic

极端理想主义的、不切实际的和不实际的
Meaning
Extremely idealistic, unrealistic, and impractical.
Example
His quixotic dreams often led to disappointment.
他那些不切实际的梦想常常导致失望。
C2 verb /kənˈtjuːz/

contuse

撞伤
Meaning
to bruise by striking or hitting
Example
He contused his arm when he fell off the bike.
他从自行车上摔下来，手臂被撞伤。
C2 adjective /ˈmʌsti/

musty

发霉的，潮湿的或有霉味的
Meaning
having a stale, moldy, or damp smell
Example
The old books had a musty odor.
旧书有霉味。
C2 noun /ˈklɪpər/

clipper

理发器 / 19世纪快速航行的船只
Meaning
a tool used for cutting, or a fast sailing ship of the 19th century
Example
The barber used clippers to trim his hair.
理发师用理发器修剪了他的头发。
C2 verb /dɪsˈɡɔːrdʒ/

disgorge

呕吐, 排放
Meaning
to discharge or pour out; to vomit; to give up reluctantly
Example
The broken pipe disgorged water all over the floor.
破损的管道把水排放到整个地板上。
C2 noun /kənˈtrɪʃ.ən/

contrition

悔恼
Meaning
the state of feeling remorseful and repentant
Example
His contrition was evident after the apology.
在道歉后，他的悔恼显而易见。
C2 adjective /ɪnˈsuːsiənt/

insouciant

无忧无虑
Meaning
Showing a casual lack of concern; carefree.
Example
He gave an insouciant shrug and walked away.
他无忧无虑地耸了耸肩，然后走开了。
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 verb /ˈmæɡnɪtaɪz/

magnetize

磁化
Meaning
to make something magnetic or to strongly attract
Example
The scientist managed to magnetize the iron rod.
科学家成功地将铁棒磁化了。
C2 adjective /ɑːlˈfæktəri/

olfactory

Meaning
Relating to the sense of smell.
Example
The perfume activated her olfactory nerves immediately.
C2 adjective /pɔːrˈtɛntəs/

portentous

不祥的，严肃的
Meaning
Giving a sign or warning that something, often bad or serious, is going to happen; or overly solemn and pompous.
Example
His portentous tone made everyone nervous about the news.
他那不祥的语气让大家因新闻感到紧张。
C2 noun /loʊm/

loam

富饶的壤土
Meaning
Fertile soil mixture of sand, clay, and organic matter.
Example
Loam soil is ideal for agriculture due to its nutrient content.
壤土是农业的理想选择，因为它含有丰富的营养成分。
C2 noun /ˈɪndələns/

indolence

懒惰
Meaning
Avoidance of activity or exertion; laziness.
Example
His indolence kept him from finishing the project on time.
他的懒惰使他无法按时完成项目。
C2 noun /ˈɪntərˌveɪl/

intervale

沿河低洼的土地，通常肥沃而平坦
Meaning
A low-lying tract of land along a river, usually fertile and flat.
Example
The farmers cultivated crops on the lush intervale by the river.
农民在河边的肥沃土地上种植庄稼。
C2 noun /kəˈrɑːləri/

corollary

直接或自然的结果
Meaning
a direct or natural consequence or result
Example
One corollary of the new policy was increased public awareness.
新政策的一个结果是公众意识的提高。
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 adjective /ˌfærɪˈseɪɪkəl/

pharisaical

伪善的
Meaning
Excessively concerned with formal rules or outward show of morality, often in a hypocritical way.
Example
His pharisaical behavior made people doubt his sincerity.
他的伪善行为让人怀疑他的真诚。
C2 verb ˈlev.ɪ.teɪ.tɪŋ

levitating

悬浮
Meaning
Rising and hovering in the air, especially as a result of supernatural or magical power.
Example
The levitating structure is an engineering marvel.
这座悬浮结构是一个工程奇迹。
C2 noun /ɪˌpɪstəˈmɒlədʒi/

epistemology

认识论
Meaning
The branch of philosophy that studies the nature, origin, and scope of knowledge.
Example
Epistemology explores the difference between justified belief and opinion.
认识论探索公正的信仰和意见之间的区别。
C2 adjective /kənˈfɔːrməbl/

conformable

一致的
Meaning
Capable of being adapted or consistent with something; compliant.
Example
His actions were conformable to the rules of the institution.
他的行为与机构的规定一致。
C2 verb /ɪnˈhjuːm/

inhume

埋葬
Meaning
to bury a dead body in the ground
Example
They inhumed the warrior with full honors.
他们用全部荣誉埋葬了战士。
C2 verb /ˈɛdɪfaɪ/

edify

Meaning
To instruct or improve someone morally or intellectually.
Example
Good books can both entertain and edify the reader.
C2 adjective, noun /ˈɡreɪtɪŋ/

grating

刺耳的声音 / 金属栅栏
Meaning
Harsh and unpleasant to the senses, especially sound; a framework of bars covering an opening.
Example
The teacher's grating voice made it hard to concentrate.
老师刺耳的声音让集中注意力变得困难。
C2 adjective /əˈsɜːrbɪk/

acerbic

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

detrude

推向下或推向外面
Meaning
To thrust or force something downward or outward.
Example
The violent waves detruded rocks from the cliff.
暴力的海浪把岩石从悬崖上推了下来。
C2 noun /ˈmiːliərɪzəm/

meliorism

改善主义
Meaning
The belief that the world tends to improve and that humans can aid its betterment.
Example
Her philosophy of meliorism kept her hopeful during difficult times.
她的改善主义哲学让她在艰难时刻保持希望。
C2 adjective /ˌmɛtəˈlɜrdʒɪkəl/

metallurgical

冶金的
Meaning
Relating to metallurgy or the branch of science concerned with the properties of metals and their production.
Example
He studied metallurgical engineering at the university.
他在大学学习了冶金工程。
C2 noun /ˈmʌɡwʌmp/

mugwump

独立于党派的人
Meaning
a person who remains independent from party politics or remains aloof from disputes
Example
He was called a mugwump for refusing to join either political side.
他因为拒绝加入任何政治派别而被称为马格旺普。
C2 noun /naɪt kwiːn/

Night queen

夜来香
Meaning
a fragrant white flower that blooms at night and releases strong sweet scent
Example
The night queen flowers filled the garden with their sweet fragrance.
夜来香花让花园充满了甜美的香气。
C2 adjective /raɪˈpɛə.ri.ən/

riparian

位于河流或其他水道的岸边或与之相关的
Meaning
Relating to or situated on the banks of a river or other watercourse.
Example
Riparian vegetation helps prevent soil erosion along rivers.
河岸植被有助于防止河流沿岸的土壤侵蚀。
C2 noun /ˌlɪk.wəˈfeɪ.ʃənt/

liquefacient

液化剂
Meaning
a substance that causes something to become liquid
Example
The chemist explained how the liquefacient worked in the experiment.
化学家解释了液化剂在实验中的作用。
C2 verb /məʊlt/

molt

脱羽
Meaning
To shed old feathers, skin, or hair to make way for new growth.
Example
Birds molt their feathers once a year.
鸟类每年会脱羽。
C2 noun /ˈɪəri/

eyry

猛禽巢
Meaning
an alternative spelling of eyrie; a nest of a bird of prey
Example
The falcon guarded its eyry fiercely.
猎鹰猛烈地守护着它的巢。
C2 verb /ɪnˈveɪ/

inveigh

严厉批评
Meaning
To speak or write about something with great hostility and criticism.
Example
He inveighed against the corruption in government.
他严厉批评了政府中的腐败。
C2 noun /mælˈfiːzəns/

malfeasance

公职人员的不当行为
Meaning
Wrongdoing or misconduct, especially by a public official.
Example
The mayor was accused of malfeasance in office.
市长因在职务中不当行为而被指控。
C2 noun /ɪkˈstɛnsər/

extensor

伸肌
Meaning
a muscle that serves to extend or straighten a limb or part of the body.
Example
The extensor muscles in the arm help straighten the elbow.
手臂的伸肌帮助伸直肘部。
C2 noun /ˈɒbsɪkwiːz/

obsequies

葬礼仪式
Meaning
Funeral rites or ceremonies.
Example
The obsequies for the late leader drew thousands of mourners.
已故领导人的葬礼吸引了成千上万的哀悼者。
C2 noun /ˈɡæli/

galley

船舱厨房
Meaning
A low, flat ship used in ancient times, often with sails and oars; also, a kitchen on a ship or aircraft.
Example
The galley was filled with the smell of freshly cooked food.
船舱厨房充满了新鲜烹饪食物的气味。
C2 verb /məˈrɔːd/

maraud

掠夺
Meaning
to roam in search of things to steal or attack
Example
The bandits marauded through the village at night.
盗贼们在夜间袭击了村庄。
C2 adjective /ˈnæti/

natty

时尚
Meaning
Neat, stylish, and fashionable in appearance.
Example
He looked very natty in his new suit.
他在新西装里看起来非常时尚。
C2 noun /boʊ/

beau

男友
Meaning
a male admirer or boyfriend; a fashionable young man
Example
She arrived at the party with her beau.
她和她的男友一起到达了派对。
C2 verb /ˌkaʊˈtaʊ/

kowtow

过度顺从
Meaning
To act in an excessively subservient or obedient manner.
Example
He refused to kowtow to the unreasonable demands.
他拒绝顺从不合理的要求。
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 /ˈfʌstɪən/

fustian

浮夸的演讲
Meaning
pompous or pretentious speech or writing; originally a type of thick cloth
Example
The politician's speech was filled with fustian and empty promises.
政治家的演讲充满了浮夸和空洞的承诺。
C2 noun /boʊl/

boll

圆形种子荚（如棉花或亚麻）
Meaning
The rounded seed capsule of plants such as cotton or flax.
Example
The farmer examined the cotton boll to check its quality.
农民检查了棉花的种子荚，以检查其质量。
C2 verb /ɪˈmɛnd/

emend

修改
Meaning
to correct or revise a text, especially for errors
Example
The editor emended the manuscript before publication.
编辑在出版前修改了手稿。
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 noun /klɛərˈvɔɪəns/

clairvoyance

通灵
Meaning
the supposed ability to perceive events beyond normal sensory contact; psychic insight
Example
She claimed to have clairvoyance and predicted the future.
她声称自己有通灵能力，并预言了未来。
C2 adjective /pəˈluːsɪd/

pellucid

透明
Meaning
Transparently clear; easy to understand.
Example
The lake water was so pellucid that you could see the stones at the bottom.
湖水是如此透明，你可以看到底部的石头。
C2 noun /lɪnt/

lint

棉絮
Meaning
small soft fibers that come off cloth, often found in dryers or on clothes
Example
There was lint all over his black shirt after the wash.
洗完后，他的黑衬衫上有棉絮。