aquiline
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C2 adjective /ˈækwɪˌlaɪn/

aquiline

鹰嘴形的
Meaning
curved like an eagle's beak; hooked
Example
He had an aquiline nose that gave him a distinguished appearance.
他有一个鹰嘴形的鼻子，给他增添了一种卓越的外观。
C2 noun /ˈluː.nə.si/

lunacy

疯狂
Meaning
Extreme foolishness or madness; insanity.
Example
It was sheer lunacy to go hiking in the storm.
在暴风雨中去远足简直是疯狂。
C2 noun /ɪɡˈzɔːrbɪtəns/

exorbitance

过度
Meaning
The quality of being excessive, unreasonable, or going beyond proper limits.
Example
The exorbitance of the hotel's prices shocked the tourists.
酒店价格的过度让游客们震惊。
C2 adjective /ˌhɛtərəʊˈmɔːrfɪk/

heteromorphic

异形的
Meaning
Having different forms or shapes, especially in the same species or organism.
Example
Butterflies are heteromorphic during their life cycle, changing forms from larva to adult.
蝴蝶在它们的生命周期中是异形的，从幼虫到成虫改变形态。
C2 adjective /ˈfækʃəs/

factious

分裂的
Meaning
causing disagreement or division within a group; inclined to form factions
Example
The debate became factious, splitting the committee into rival camps.
辩论变得分裂，委员会被分成了对立的阵营。
C2 verb /kəˈraʊz/

carouse

狂欢
Meaning
to drink and enjoy oneself noisily, often with others
Example
They stayed up all night to carouse after the victory.
他们在胜利后整夜狂欢。
C2 adjective /ˌkloʊs ˈhɔːld/

close-hauled

逆风航行
Meaning
of a sailing ship, sailing as nearly as possible towards the direction from which the wind is blowing.
Example
The yacht was close-hauled as it cut through the waves.
那艘游艇在波浪中紧贴风向行驶。
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 noun /ˌkælɪsˈθɛnɪks/

calisthenics

体重训练
Meaning
exercises that use body weight for strength and flexibility
Example
She practices calisthenics every morning in the park.
她每天早晨在公园里做自体重训练。
C2 adjective /ˌɪn.ɪˈlʌk.tə.bəl/

ineluctable

Meaning
Impossible to avoid or escape; inevitable.
Example
Death is an ineluctable part of human existence.
C2 adjective /ˌjuːləˈdʒɪstɪk/

eulogistic

赞美的
Meaning
Expressing praise or admiration, often formally.
Example
The speaker gave a eulogistic account of the leader’s achievements.
演讲者对领导人的成就给予了赞美的评价。
C2 adjective /ˈek.wə.bəl/

Equable

平和
Meaning
calm and even-tempered; not easily disturbed
Example
He maintained an equable temperament throughout the crisis.
他在整个危机期间保持了平和的性格。
C2 adjective /ˌpɜːrtɪˈneɪʃəs/

pertinacious

固执
Meaning
holding firmly to an opinion, purpose, or course of action; stubbornly persistent
Example
The pertinacious lawyer refused to give up the case.
固执的律师拒绝放弃案件。
C2 noun /liːdʒ/

liege

领主
Meaning
A feudal lord entitled to allegiance and service; a loyal subject.
Example
The knight pledged loyalty to his liege.
骑士向他的领主宣誓效忠。
C2 noun /rɪˈfɛktəri/

refectory

食堂
Meaning
a dining hall, especially in a monastery, convent, or school
Example
Students had lunch in the refectory.
学生们在食堂吃午餐。
C2 noun /sɪˈkwiːlə/

sequela

后遗症
Meaning
A condition that is the consequence of a previous disease or injury.
Example
Lung scarring can be a sequela of severe pneumonia.
肺部瘢痕可能是重症肺炎的后遗症。
C2 noun /ˈhɔːrn.bɪl/

Hornbill

角嘴鸟
Meaning
a large tropical bird with a large curved beak and often a horn-like projection
Example
The colorful hornbill perched on the highest branch.
五彩斑斓的霍恩比尔停在了最高的树枝上。
C2 noun /ɪnˈhɪərəns/

inherence

内在性
Meaning
The state of being an essential or permanent part of something.
Example
The inherence of risk is part of every business venture.
风险的内在性是每个商业冒险的一部分。
C2 adjective /ˈdɪstəl/

distal

远端
Meaning
situated away from the center of the body or from the point of attachment
Example
The doctor examined the distal end of the patient’s arm.
医生检查了病人手臂的远端。
C2 noun /ˈdɛswɪˌtuːd/

desuetude

废弃
Meaning
a state of disuse or inactivity
Example
The old law has fallen into desuetude.
旧法律已经废弃。
C2 noun /ˌænəlˈdʒiːziə/

analgesia

镇痛
Meaning
The inability to feel pain while still conscious.
Example
The doctor induced analgesia before performing the procedure.
医生在进行手术前诱导了镇痛。
C2 noun /ɪnˈvaɪtər/

invitor

邀请者
Meaning
a person who invites someone to an event, meeting, or place
Example
The invitor greeted all the guests warmly at the entrance.
邀请者在入口处热情地欢迎了客人。
C2 noun /ˈkæm.fər/

Camphor

樟脑
Meaning
a white crystalline substance with a strong aromatic smell, used in medicine and religious ceremonies
Example
The temple was filled with the fragrant smoke of burning camphor.
寺庙里充满了燃烧的樟脑散发出的芳香烟雾。
C2 verb /dɪˈspɒnd/

despond

沮丧
Meaning
to lose confidence or hope; to become dejected
Example
After repeated failures, he began to despond.
在多次失败后，他开始感到沮丧。
C2 noun /ˈdoʊtɪdʒ/

dotage

暮年
Meaning
The period of old age, especially when one is weak or senile.
Example
He spent his dotage reminiscing about his youth.
他度过了自己的暮年，回忆着自己的青春。
C2 verb /ˈbeɪɪŋ/

baying

狂吠
Meaning
making a loud, prolonged barking or howling sound, especially of dogs
Example
The baying of the hounds echoed through the forest.
猎犬的叫声在森林中回响。
C2 verb /ˈbaʊdləˌraɪz/

bowdlerize

去除冒犯性部分
Meaning
to remove or modify parts of a text considered offensive or inappropriate
Example
The editor bowdlerized the novel to make it suitable for children.
编辑将小说修改，以使其适合儿童。
C2 noun /ˌlaɪ.pəˈdʒen.ɪ.sɪs/

lipogenesis

脂肪生成
Meaning
The metabolic process of fat synthesis where excess carbohydrates are converted into fatty acids and stored as triglycerides.
Example
Excess carbohydrate intake promotes lipogenesis and fat storage.
过多的碳水化合物摄入促进了脂肪生成和脂肪储存。
C2 noun /ˈtɜːrməɡənt/

termagant

专横且脾气暴躁的女性
Meaning
A harsh-tempered or overbearing woman.
Example
The character was portrayed as a loud and domineering termagant.
这个角色被描绘成一个大声且专横的特尔玛甘特女性。
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 noun /ˈaɪ.ərn.wʊd/

Ironwood

铁木
Meaning
a hard, dense wood from various trees; also the tree itself that produces small flowers
Example
The ironwood tree blooms with tiny white flowers.
铁木树开着小白花。
C2 noun /ˈkɪŋɡlɪŋ/

kingling

小国王
Meaning
A minor or petty king; a ruler of small importance.
Example
The kingling demanded respect from his people despite his small realm.
那个小国王尽管有一个小王国，但他要求人民尊敬他。
C2 noun /prəˈpɪŋkwɪti/

propinquity

亲近
Meaning
the state of being close to someone or something; proximity
Example
The propinquity of their houses made them close friends.
他们房屋的亲近使他们成为了亲密的朋友。
C2 noun /mɪˈsænθrəpi/

misanthropy

厌人症
Meaning
a general dislike, distrust, or hatred of humankind
Example
His misanthropy was evident in the way he avoided people.
他的厌人症在他回避人群的方式中显而易见。
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 /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 /dʒuːt/

jute

黄麻
Meaning
a long, soft, shiny plant fiber used to make rope, bags, sacks, and coarse cloth
Example
Jute is widely used to make eco-friendly bags and ropes.
黄麻常用于制作环保袋。
C2 verb /ɪnˈkʌmbər/

encumber

负担
Meaning
to burden or weigh down something, making it difficult to move or progress
Example
She was encumbered by the heavy luggage during her journey.
她在旅行中因沉重的行李而感到负担沉重。
C2 verb /dɪˈfreɪ/

defray

支付费用
Meaning
to provide money to pay the costs of something
Example
The grant will help defray the cost of education.
这笔补助将帮助支付教育费用。
C2 verb əˈtɛn.ju.eɪt

attenuate

减轻
Meaning
To reduce the force, effect, or value of something; to make weak or thin.
Example
The medicine helps attenuate the pain.
这种药有助于缓解疼痛。
C2 adjective /pruːˈdɛnʃəl/

prudential

审慎的
Meaning
involving or showing prudence, especially in financial or business matters
Example
The bank has set prudential rules to protect depositors.
银行制定了审慎的规则以保护存款人。
C2 noun /sɪˈmɪlɪtjuːd/

Similitude

相似; 类似
Meaning
the quality or state of being similar; resemblance
Example
The similitude between the two paintings suggested they were by the same artist.
这两幅画之间的相似性表明它们是由同一位艺术家创作的。
C2 noun /ɪnˈfrækʃən/

infraction

违规
Meaning
A violation or breach of a rule, law, or agreement.
Example
The student was punished for a minor infraction of the school rules.
学生因轻微违反学校规则而受到惩罚。
C2 adjective /ˌæntɪˈmʌndeɪn/

antemundane

世界创造之前
Meaning
Existing or occurring before the creation of the world.
Example
Some myths speak of an antemundane chaos before order was established.
一些神话讲述了在秩序建立之前的安特蒙丹混乱。
C2 verb /ˌsuːpərɪnˈtɛnd/

superintend

监管
Meaning
to oversee and direct the work or operation of something
Example
She was hired to superintend the construction project.
她被聘用来监管建筑项目。
C2 noun, adjective /nɒn ˈkɒmbətənt/

non-combatant

非战斗人员
Meaning
a person not engaged in fighting during a war, such as civilians or medical staff
Example
The Red Cross workers were treated as non-combatants in the conflict.
红十字会的工作人员在冲突中被视为非战斗人员。
C2 noun/verb /ˈkætˌkɔːl/

catcall

性骚扰或不满的喊声或口哨声
Meaning
A loud whistle or shout of disapproval or sexual harassment directed at someone.
Example
The actress ignored the catcalls from the crowd.
女演员无视人群中的猫叫声。
C2 adjective /ˈdɔːrsəl/

dorsal

背鳍
Meaning
Relating to the back or upper side of an animal or body part.
Example
Sharks have a prominent dorsal fin.
鲨鱼有一个显眼的背鳍。
C2 noun /ˈtoʊ.di/

Toady

拍马屁者
Meaning
a person who acts obsequiously to gain favor; a sycophant
Example
He was known as a toady who always agreed with the boss.
他被认为是一个总是同意老板的阿谀奉承者。
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 noun /kɒɡˈnoʊmən/

cognomen

姓氏 / 绰号
Meaning
A family name or surname; an additional name or nickname.
Example
His cognomen became widely known in literary circles.
他的姓氏在文学界广为人知。
C2 noun /mɪf/

miff

小争执
Meaning
A petty quarrel or annoyance.
Example
They had a slight miff over the seating arrangement.
他们因座位安排发生了小小的争执。
C2 noun /ɪmˈpaɪ.ə.ti/

Impiety

亵渎
Meaning
lack of piety or reverence, especially for a god; disrespect or irreverence toward religious matters
Example
His impiety shocked the religious community when he mocked their sacred ceremonies.
他的不敬让宗教团体震惊，当他嘲笑他们的神圣仪式时。
C2 noun /ˈɔːtɑːrki/

autarchy

自给自足
Meaning
A system of self-sufficiency where a state or community is economically independent.
Example
The nation attempted autarchy to reduce reliance on imports.
这个国家试图实现自给自足，以减少对进口的依赖。
C2 noun /ɛmˈpɔːriəm/

emporium

大型商场
Meaning
A large retail store selling a wide variety of goods.
Example
They visited the new emporium to buy furniture and home decor.
他们参观了新的emporium，购买了家具和家居装饰。
C2 noun /ˈæntɪk/

antic

滑稽
Meaning
a playful, funny, or silly act or gesture
Example
The children laughed at the clown’s antics.
孩子们笑着看小丑的滑稽动作。
C2 adjective /ˌæf.əˈrɪs.tɪk/

aphoristic

格言风格
Meaning
expressed in the style of a short, witty saying
Example
Her writing style is concise and aphoristic.
她的写作风格简洁而格言式。
C2 adjective ˌeə.rəʊˈstæt.ɪk

aerostatic

气动静态的
Meaning
Relating to or involving gases (especially air) in equilibrium and the equilibrium of balloons or aircraft under the influence of such gases.
Example
Aerostatic designs ensure stability at high altitudes.
气动静态设计确保在高海拔地区的稳定性。
C2 verb /boʊd/

bode

预兆
Meaning
to be an omen of a particular outcome, often something bad
Example
The dark clouds bode a heavy storm.
黑云预示着一场大风暴。
C2 noun /əˈstɪɡmətɪzəm/

astigmatism

散光
Meaning
An eye defect causing blurred vision due to irregular curvature of the cornea or lens.
Example
She wears glasses to correct her astigmatism.
她戴眼镜来矫正她的散光。
C2 noun /ˈbʊlwərk/

bulwark

防线
Meaning
A strong wall or defensive structure; something that provides protection or support.
Example
The fortress walls served as a bulwark against enemy attacks.
堡垒的墙壁作为抵御敌人攻击的防线。
C2 noun ˌmæɡnəˈnɪmɪti

magnanimity

宽宏大量
Meaning
Generosity in forgiving an insult or injury; forbearance.
Example
His magnanimity towards his competitors was admirable.
他对竞争对手的宽宏大量令人钦佩。
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 /fɪntʃ/

finch

雀鸟（小型歌唱鸟）
Meaning
a small songbird with a short, stout bill
Example
A colorful finch perched on the branch singing sweetly.
一只五彩斑斓的雀鸟栖息在树枝上，甜美地唱着歌。
C2 noun /ˈhɛksəˌpɒd/

hexapod

六足动物
Meaning
An insect or other organism with six legs.
Example
The scientist observed a hexapod crawling on the leaf.
科学家观察到一个六足动物在叶子上爬行。
C2 adjective /ˈæstrəl/

astral

Meaning
Relating to the stars or to spiritual, non-physical realms.
Example
Some believe in astral projection, the ability to leave the body and travel spiritually.
C2 noun /ˈbrɒŋkəs/

bronchus

支气管
Meaning
either of the two main branches of the trachea that lead directly into the lungs
Example
The left bronchus carries air into the left lung.
左支气管将空气输送到左肺。
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 /spʌndʒ ɡɔːrd/

Sponse gourd

海绵瓜
Meaning
a fibrous gourd that becomes sponge-like when dried, used for cleaning and in cooking when young
Example
The sponge gourd can be eaten when young or dried to make natural scrubbers.
海绵瓜可以在年轻时食用，或者干燥后制成天然海绵。
C2 adjective, noun /pləˈbiːən/

plebian

普通的，平民的
Meaning
alternate spelling of 'plebeian'; common or ordinary
Example
His tastes were rather plebian, favoring simple food and clothes.
他的口味相当普通，喜欢简单的食物和衣服。
C2 noun /ˈfɔːrˌnɑːlɪdʒ/

foreknowledge

预知
Meaning
Awareness of something before it happens or exists.
Example
The prophet claimed to have foreknowledge of the event.
先知声称他预知了这个事件。
C2 adjective /ʌnˈstɪntɪŋ/

unstinting

慷慨的
Meaning
given generously without holding back
Example
She received unstinting support from her family.
她从家人那里得到了慷慨的支持。
C2 noun /sɒp/

sop

Meaning
a concession or appeasement to pacify someone; also a piece of bread dipped in liquid
Example
The manager offered a bonus as a sop to the unhappy employees.
C2 adjective /ˈɪm.pi.əs/

Impious

不敬的; 亵渎神明
Meaning
irreligious; lacking reverence for religion; blasphemous
Example
The impious act shocked the religious community.
不敬的行为震惊了宗教社区。
C2 noun /bleɪn/

Blain

水泡
Meaning
an inflammatory swelling or sore on the skin; a blister or pustule
Example
The doctor examined the blain on his arm.
医生检查了他手臂上的水泡。
C2 noun /ˈfɔɪbəl/

foible

小缺点
Meaning
A minor weakness or eccentricity in someone's character.
Example
She loved him despite his little foibles.
尽管有一些小缺点，她依然爱他。
C2 verb /ɪnˈveɪɡəl/

inveigle

诱骗
Meaning
To persuade someone to do something by deception or flattery.
Example
She inveigled him into signing the contract.
她劝他签署了合同。
C2 adjective /dʒoʊˈkoʊs/

jocose

幽默的
Meaning
playful or humorous in speech or behavior
Example
The professor’s jocose remarks kept the class entertained.
教授的幽默评论让班级感到娱乐。
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 noun /kəˈdɛnzə/

cadenza

精心准备的独奏段落
Meaning
An elaborate solo passage in a piece of music, usually near the end.
Example
The pianist performed a brilliant cadenza before the final movement.
钢琴家在最后一个乐章之前演奏了一段精彩的卡登扎。
C2 noun /laʊs/

Louse

虱子
Meaning
a small insect that lives on the hair or skin of people or animals
Example
The child had a louse in his hair.
孩子的头发里有一只虱子。
C2 adjective /ɪnˈvɛtərət/

inveterate

根深蒂固
Meaning
having a long-established habit, activity, or interest that is unlikely to change
Example
He is an inveterate reader who spends hours in the library every day.
他是一个根深蒂固的读者，每天在图书馆度过几个小时。
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 noun /pəˈræm.bjə.leɪ.tər/

Perambulator

婴儿车
Meaning
a four-wheeled carriage for a baby; baby stroller or pram
Example
She pushed the perambulator through the park while the baby slept peacefully.
她推着婴儿车穿过公园，而婴儿安静地睡着。
C2 noun /haɪnd/

Hind

母鹿
Meaning
a female deer, especially a red deer
Example
The hind protected her fawn from predators.
母鹿保护了她的小鹿免受捕食者的伤害。
C2 noun /ˌfoʊˈtɑːmɪtər/

photometer

光度计
Meaning
an instrument for measuring the intensity of light
Example
The scientist used a photometer to measure the light in the laboratory.
科学家在实验室里使用光度计来测量光线。
C2 noun /ˈsaʊər wʊd ˈæp.əl/

Sour wood apple

大象苹果
Meaning
a tropical fruit with hard shell and tangy flesh; elephant apple
Example
The sour wood apple has a unique taste that many people enjoy.
大象苹果有一种独特的味道，许多人喜欢。
C2 verb /trænsˈfjuːz/

transfuse

Meaning
to transfer blood or another fluid into a vein or body part; to instill a quality or idea into someone or something
Example
The doctor had to transfuse blood into the patient after the surgery.
C2 verb /ˈhɛktər/

hector

以威胁的方式说话
Meaning
To talk to someone in a bullying or intimidating way.
Example
The manager hectored the staff into working overtime.
经理威胁员工加班。
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 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 /pɜːrtʃt raɪs/

Perched rice

膨化米
Meaning
puffed rice; rice that has been heated and puffed into light, crispy grains
Example
I enjoy eating puffed rice as a healthy snack.
我喜欢把膨化米当作健康的小吃。
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 /ˈhɔɪdən/

hoyden

顽皮女孩
Meaning
a boisterous or tomboyish girl
Example
The hoyden preferred climbing trees to playing with dolls.
顽皮女孩更喜欢爬树而不是玩洋娃娃。
C2 noun /ˈkɔːfər/

coffer

箱子
Meaning
A strongbox or small chest for holding valuables, often used metaphorically for funds or financial reserves.
Example
The city's coffers were drained after the costly project.
昂贵的项目后，城市的资金库被耗尽了。
C2 noun /ˈpɒntɪf/

pontiff

教皇或高级主教
Meaning
the pope or a high-ranking bishop in the Christian church
Example
The pontiff addressed the nation in a televised speech.
教皇在电视演讲中向国家发表讲话。
C2 verb /dɪˈpreɪv/

deprave

堕落
Meaning
to corrupt morally; to make someone immoral or wicked
Example
The novel was criticized for attempting to deprave the minds of young readers.
这本小说因为试图堕落年轻读者的思想而受到批评。
C2 adjective /əˈprəʊ.bri.əs/

opprobrious

侮辱性的
Meaning
Expressing strong criticism or scorn.
Example
He made opprobrious remarks about his opponent.
他对对手做出了侮辱性评论。
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 noun /ˈɡleɪziər/

glazier

玻璃工
Meaning
a person whose job is to fit glass into windows and doors
Example
The glazier repaired the broken window in our house.
玻璃工修理了我们家坏掉的窗户。
C2 noun /feɪt/

fete

节日，庆典
Meaning
a celebration or festival, often in honor of someone
Example
The village held a grand fete to celebrate the harvest.
村庄举行了盛大的节日庆典来庆祝丰收。
C2 verb /ɪɡˈzɪləreɪt/

exhilarate

激动
Meaning
To make someone feel very happy, animated, or excited.
Example
The mountain view exhilarated the travelers.
山脉的景色让旅行者兴奋。
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 verb /ˈbɪloʊ/

billow

像波浪一样膨胀
Meaning
To swell or rise in large waves or surges; to flow outward in a rolling motion.
Example
Smoke billowed from the burning building.
烟雾像波浪一样从燃烧的建筑中升腾而起。
C2 adjective /ˈtɜːrbɪd/

turbid

浑浊
Meaning
Cloudy, opaque, or thick with suspended matter; confused or obscure in meaning.
Example
The river water became turbid after the heavy rains.
大雨过后，河水变得浑浊。
C2 adjective /ˌɛvəˈnɛsənt/

evanescent

短暂的
Meaning
Quickly fading or disappearing; lasting for only a very short time.
Example
The beauty of the sunset was evanescent, fading within minutes.
夕阳的美丽是短暂的，在几分钟内消失了。
C2 noun /ˈɛpəlɛt/

epaulette

肩章
Meaning
A variant spelling of epaulet, also meaning a shoulder ornament, especially on military uniforms.
Example
The officer’s epaulette shone brightly under the sunlight.
军官的肩章在阳光下闪闪发光。
C2 adjective /ˈpɛkənt/

peccant

有罪的
Meaning
Guilty of a moral offense or wrongdoing; sinful.
Example
The judge declared the peccant official unfit for office.
法官宣布有罪的官员不适合担任职务。
C2 adjective /ˌhaɪpərˈkrɪtɪkl/

hypercritical

过度批评的
Meaning
Excessively or unreasonably critical.
Example
The teacher was often hypercritical of small mistakes.
老师经常对小错误过度批评。
C2 verb /dɪsˈkaʊntənəns/

discountenance

反对
Meaning
To disapprove of or discourage something.
Example
The teacher strongly discountenanced cheating in exams.
老师强烈反对考试中的作弊行为。
C2 noun /kərˈmʌdʒən/

curmudgeon

脾气暴躁的老人
Meaning
a bad-tempered, cranky, or irritable person, usually old
Example
The old curmudgeon complained about everything in the neighborhood.
那位脾气暴躁的老人抱怨着邻里的一切。
C2 verb /ˈwɪzn/

wizen

枯萎
Meaning
To become dry, shrunken, and wrinkled.
Example
The flowers began to wizen after days without water.
花朵在几天没有水后开始枯萎。
C2 noun ˌɒbfəsˈkeɪʃən

obfuscation

混淆, 迷惑
Meaning
The action of making something obscure, unclear, or unintelligible.
Example
The obfuscation of the data made it difficult to interpret.
数据的混淆使得它们难以解释。
C2 verb /priːˈfɪɡjər/

prefigure

预示
Meaning
to represent, show, or foreshadow something in advance
Example
The economic reforms prefigure major social changes.
经济改革预示着重大社会变革。
C2 adjective /pərˈfɪdiəs/

perfidious

背叛的
Meaning
deceitful and untrustworthy
Example
The spy was executed for his perfidious actions.
间谍因其背叛行为被执行死刑。
C2 noun /ˈtrɛsəl/

trestle

支架
Meaning
a frame or support consisting of a horizontal beam held up by two pairs of sloping legs, used especially for supporting a bridge or table
Example
The workers built a wooden trestle to support the temporary bridge.
工人们建造了一个木制支架来支撑临时桥梁。
C2 noun /kɪln/

kiln

窑炉
Meaning
a furnace or oven for burning, baking, or drying, especially one for firing pottery or bricks
Example
The potter placed the clay pots into the kiln for firing.
陶工将泥土罐放入窑炉中烧制。
C2 noun /əˈmæl.ɡəm/

amalgam

混合物
Meaning
a mixture or blend of different things
Example
The new policy is an amalgam of several previous laws.
新政策是多个先前法律的混合物。
C2 noun /fækˈtoʊtəm/

factotum

全能工人
Meaning
an employee who does many different types of work; a general servant
Example
He worked as a factotum, handling both clerical and maintenance duties.
他作为一个全能工人工作，处理行政和维护任务。
C2 noun /əˈvɪdəti/

avidity

热情
Meaning
extreme eagerness or enthusiasm
Example
He accepted the offer with avidity.
他带着热情接受了这个提议。
C2 noun /ˈdʌlərd/

dullard

傻瓜
Meaning
a slow or stupid person
Example
He was considered a dullard by his classmates.
他被同学们视为傻瓜。