Asian swamp eel
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
C2 noun /ˈeɪʒən swɒmp iːl/

Asian swamp eel

亚洲沼泽鳗
Meaning
a snake-like freshwater fish that can survive in muddy waters and is considered a delicacy in South Asian cuisine
Example
Asian swamp eel can breathe air and survive in shallow muddy waters.
亚洲沼泽鳗能呼吸空气并在浑浊的浅水中生存。
C2 verb /dɪˈbɑːrk/

debark

下船
Meaning
to disembark or get off a ship, aircraft, or vehicle
Example
The passengers debarked as soon as the ship docked.
乘客在船停靠后下船。
C2 adjective /ˌʌltrəˈmʌndeɪn/

ultramundane

超凡
Meaning
Relating to things beyond the physical world; supernatural or transcendental.
Example
Philosophers often discuss ultramundane realities beyond human perception.
哲学家们常常讨论超越人类感知的超凡现实。
C2 verb /ˈdæli/

dally

浪费时间
Meaning
To act or move slowly; to waste time; also to engage in a casual romantic relationship.
Example
He dallied in the garden instead of starting his work.
他在花园里浪费时间，而不是开始工作。
C2 noun /ˈpriːsɛpt/

precept

教条
Meaning
A general rule intended to regulate behavior or thought.
Example
Honesty is a fundamental precept in all religions.
诚实是所有宗教中的一个基本教条。
C2 verb /dɪˈkænt/

decant

倒入
Meaning
To pour liquid gently from one container into another, especially without disturbing the sediment.
Example
She carefully decanted the wine into a clean glass.
她小心地将酒倒入干净的玻璃杯。
C2 noun /ˈnɑːstrəm/

nostrum

无效的药物
Meaning
a medicine or remedy, especially one that is not considered effective; a questionable solution
Example
The politician’s plan was dismissed as a mere nostrum for a complex problem.
政治家的计划被视为一个复杂问题的简单无效药物。
C2 noun /ˈæbɪs/

abbess

女修道院院长 (nǚ xiūdào yuàn yuán zhǎng)
Meaning
the woman in charge of a convent of nuns
Example
The abbess welcomed the visitors to the convent.
院长欢迎访客到修道院。
C2 noun /ˈdɛsɪkənt/

desiccant

干燥剂
Meaning
a substance that absorbs moisture and keeps things dry
Example
Silica gel packets are commonly used as a desiccant in packaging.
硅胶包通常作为干燥剂用于包装中。
C2 verb /həˈræŋ/

harangue

进行冗长而愤怒的演讲
Meaning
to deliver a long, passionate, and often angry speech
Example
The politician harangued the crowd for over an hour.
政治家对人群进行了超过一小时的演讲。
C2 noun /ˈpɒsi/

posse

帮派 / 朋友群
Meaning
A group of people, often friends or a group organized to support or enforce the law.
Example
He arrived at the party with his posse of friends.
他和他的朋友帮派一起到达了派对。
C2 verb /ˌɪmpɔːrˈtuːnd/

importuned

不停地请求
Meaning
asked someone persistently and pressingly for something
Example
She importuned her boss for a raise until he finally gave in.
她不停地请求老板加薪，直到他最终答应。
C2 noun /ˈæl.mɪ.rə/

Almirah

衣柜
Meaning
a large cupboard or wardrobe used for storing clothes and other items
Example
I keep all my clothes in the wooden almirah.
我把所有的衣服都放在木制衣橱里。
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 noun /fləˈtɪlə/

flotilla

小型舰队
Meaning
A small fleet of ships or boats operating together.
Example
A flotilla of fishing boats left the harbor at dawn.
一支渔船的舰队在黎明时分离开港口。
C2 verb /dɪˈstreɪn/

distrain

扣押
Meaning
to seize someone's property in order to obtain payment of rent or other money owed
Example
The landlord distrained the tenant's furniture for unpaid rent.
房东因租金未付扣押了租客的家具。
C2 adjective /beɪˈkoʊniən/

baconian

贝科尼安
Meaning
Relating to the philosopher Francis Bacon or his method of scientific reasoning.
Example
The researcher followed a Baconian approach to observation and experimentation.
研究人员遵循了一种贝科尼安的方法来进行观察和实验。
C2 adjective /ɪnˈvaɪələt/

inviolate

神圣不可侵犯
Meaning
free from violation, injury, or desecration; kept safe and untouched
Example
The ancient temple remained inviolate for centuries.
古老的寺庙几百年来一直保持着神圣不可侵犯。
C2 noun ˈpɑː.stər.ə.lɪ.zəm

pastoralism

牧羊主义, 以草为基础的放牧系统
Meaning
A form of animal husbandry where domesticated animals are released onto large vegetated outdoor lands for grazing.
Example
Pastoralism is a traditional way of managing livestock.
牧羊主义是传统的牲畜管理方式。
C2 adjective /ˈnɒti/

knotty

复杂
Meaning
Complicated, difficult to solve or full of knots.
Example
He faced a knotty legal issue.
他面临一个复杂的法律问题。
C2 adjective /ˌsɒpəˈrɪfɪk/

soporific

幸福
Meaning
tending to induce drowsiness or sleep; causing sleepiness
Example
The professor's lecture was so soporific that half the class fell asleep.
当她收到奖项时，她无法掩饰自己的快乐。
C2 noun /bɪˈnɪɡnɪti/

Benignity

仁慈；温柔；仁爱或优雅的品质
Meaning
kindness; gentleness; the quality of being benign or gracious
Example
Her benignity towards all people made her beloved by everyone.
她对所有人的仁慈使她受到所有人的喜爱。
C2 noun /ˈlaɪtoʊtiːz/

litotes

委婉语
Meaning
a figure of speech in which an affirmative is expressed by the negative of its contrary
Example
Saying 'not bad' as a compliment is an example of litotes.
说‘不坏’作为赞美是委婉语的一个例子。
C2 noun /ˈdʒaɪər/

gyre

旋涡, 圆形海洋表面水流
Meaning
A circular or spiral motion or form, especially a giant circular oceanic surface current.
Example
The Great Pacific Garbage Patch is trapped in a gyre.
太平洋垃圾带被困在旋涡中。
C2 noun /ˈrɪvjʊlət/

rivulet

小溪
Meaning
a small stream of water; a tiny brook
Example
A rivulet ran down the hillside after the rain.
雨后，一条小溪从山坡上流下来。
C2 adjective /ɡrʌf/

gruff

粗鲁
Meaning
Rough or stern in manner, speech, or voice.
Example
Despite his gruff manner, he was very kind-hearted.
尽管他举止粗鲁，他还是非常善良。
C2 verb /ˈbaɪfərˌkeɪt/

bifurcate

分成两部分
Meaning
to divide into two branches or parts
Example
The road bifurcates into two separate paths at the hill.
这条路在山丘处分岔成两条分开的路。
C2 verb /ˈɡrʌvəl/

grovel

Meaning
To act in an excessively humble or submissive way to gain favor.
Example
He groveled before his boss to avoid punishment.
C2 noun /ˈpætrɪˌmoʊni/

patrimony

遗产
Meaning
Property or inheritance passed down from one's father or ancestors.
Example
The castle was part of his patrimony from his noble ancestors.
这座城堡是他从贵族祖先那里继承的遗产的一部分。
C2 noun/adjective /ɪˈmɒliənt/

emollient

软化皮肤的物质
Meaning
a substance that softens or soothes the skin
Example
She used an emollient cream to treat her dry skin.
她用了一种伊摩利安特面霜来治疗她的干燥皮肤。
C2 noun /əˈbaɪdəns/

abidance

遵守
Meaning
the act of following, accepting, or complying with something
Example
Her abidance by the rules impressed the committee.
她遵守规则给委员会留下了深刻印象。
C2 noun /ˈɛkwɪpɪdʒ/

equipage

装备或带有配件的马车
Meaning
Equipment or a carriage with its accessories.
Example
The nobleman arrived in a grand equipage.
贵族乘坐豪华马车到达。
C2 adjective /ʌnˈspɛərɪŋ/

unsparing

无情的
Meaning
Showing no mercy or generosity; harsh or severe.
Example
The critic was unsparing in his review of the play.
评论家在他的剧评中毫不留情。
C2 adjective /ˌkɒn.tjʊˈmeɪ.ʃəs/

contumacious

固执的, 叛逆的
Meaning
stubbornly disobedient or rebellious
Example
The contumacious student refused to follow the school rules.
那位固执的学生拒绝遵守学校的规章制度。
C2 noun /pæˈstiːʃ/

pastiche

模仿作品
Meaning
a work of art, literature, or music that imitates the style of another artist, period, or genre
Example
The film was a clever pastiche of 1950s detective movies.
这部电影是1950年代侦探电影的巧妙模仿。
C2 verb /kənˈstrɪndʒ/

constringe

收缩
Meaning
to cause to shrink or contract; to constrict
Example
The medicine helped constringe the swollen tissues.
药物帮助收缩肿胀的组织。
C2 noun, verb /ˈtræməl/

trammel

限制
Meaning
A restriction or impediment to freedom of action; to restrict.
Example
The strict rules trammel the creativity of the students.
严格的规则限制了学生的创造力。
C2 noun /ˈlɪmərɪk/

limerick

一种幽默的五行诗
Meaning
a humorous five-line poem with a specific rhythm and rhyme scheme (AABBA).
Example
She recited a funny limerick at the party.
她在派对上背诵了一首有趣的利梅里克。
C2 noun /ɪmˈbroʊlioʊ/

imbroglio

混乱
Meaning
An extremely confused, complicated, or embarrassing situation.
Example
The political imbroglio lasted for months without resolution.
政治上的混乱持续了几个月，没有得到解决。
C2 noun /ɒmˈnɪʃəns/

omniscience

全知
Meaning
the state of knowing everything
Example
The novel's narrator has an air of omniscience, revealing every character's thoughts.
小说的叙述者具有全知的气质，揭示每个角色的想法。
C2 noun /ɪnˈsɪpiəns/

incipience

开始
Meaning
the beginning or initial stage of something
Example
The project was still in its incipience when funding was approved.
当资金获得批准时，项目仍处于其开始阶段。
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。
C2 verb /ʌnˈjoʊk/

unyoke

解开
Meaning
To release from a yoke or to free from restraint or obligation.
Example
The farmer unyoked the oxen after a long day of work.
农民在长时间工作后解开了牛的套索。
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 adjective /ɪnˈfɜːrnəl/

infernal

地狱的
Meaning
relating to hell; extremely troublesome or annoying
Example
The workers complained about the infernal noise from the construction site.
工人们抱怨施工现场的地狱般噪音。
C2 noun /ɪmˈprɑːvɪdəns/

improvidence

缺乏远见
Meaning
Lack of foresight or care for future needs.
Example
His improvidence led to financial difficulties.
他的缺乏远见导致了财务困难。
C2 noun /ˌpraɪvəˈtɪə/

privateer

私人战舰
Meaning
A privately owned armed ship authorized by a government to attack enemy ships during war.
Example
The privateer captured several enemy vessels during the conflict.
在冲突中，私人战舰俘获了多个敌方船只。
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 /ɪˈræsɪbl/

irascible

易怒的
Meaning
Easily angered; quick-tempered.
Example
His irascible nature often got him into trouble.
他易怒的性格常常使他陷入麻烦。
C2 noun /əˈrɪə/

arrear

欠款
Meaning
A debt or payment that is overdue and unpaid.
Example
He was sued for an arrear of rent.
他因未付租金的欠款被起诉。
C2 verb /ɪˈkwɪvəˌkeɪt/

equivocate

含糊其辞
Meaning
To speak ambiguously or avoid giving a clear answer.
Example
The politician equivocated when asked about the scandal.
那位政治家在被问及丑闻时含糊其辞。
C2 noun /θrɔːl/

thrall

Meaning
The state of being in someone's power or under strong influence; slavery or bondage.
Example
He was in thrall to the powerful leader.
C2 noun /ˈɒlɪv brɑːntʃ/

olive-branch

橄榄枝
Meaning
A symbol of peace or reconciliation; an offer to end conflict.
Example
He extended an olive-branch to his rival after years of hostility.
他在多年敌对之后向他的对手伸出了橄榄枝。
C2 verb /həˈmɑː.dʒə.naɪz/

homogenize

同质化
Meaning
To make uniform or similar by blending or mixing different elements.
Example
The company tried to homogenize its products across global markets.
公司尝试在全球市场上使其产品同质化。
C2 noun /ˈhɛfər/

heifer

小母牛
Meaning
a young cow that has not borne a calf
Example
The farmer raised a heifer for dairy production.
农民为乳制品生产养了一头小母牛。
C2 verb /læmˈbeɪst/

lambaste

严厉批评
Meaning
to criticize someone or something harshly; to reprimand severely
Example
The teacher lambasted the students for not completing their homework.
老师因学生未完成作业而严厉批评了他们。
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 /bɪˈsmɜːrtʃ/

besmirch

玷污
Meaning
to damage someone's reputation; to make dirty or stained
Example
He tried to besmirch her good name with false rumors.
他试图通过虚假的谣言玷污她的好名声。
C2 noun/verb /ɡraʊtʃ/

grouch

抱怨者
Meaning
a person who complains a lot or to complain in a grumpy way
Example
He is such a grouch in the morning before coffee.
他早上喝咖啡前总是抱怨。
C2 verb /ˈrævəl/

ravel

缠绕 / 解开
Meaning
to tangle or complicate; to untangle or unravel depending on context
Example
She began to ravel the loose threads of the sweater.
她开始解开毛衣上的松线。
C2 noun /ˈkruːɪt/

cruet

小容器
Meaning
a small container, especially for salt, pepper, oil, or vinegar, used at a dining table
Example
She filled the cruet with olive oil for the salad.
她将橄榄油倒入调味瓶中，为沙拉准备。
C2 noun /ˈfiːəlti/

fealty

忠诚与效忠
Meaning
loyalty or allegiance, especially to a sovereign or lord
Example
The knight swore fealty to his king.
骑士向国王宣誓效忠。
C2 noun /ˈnoʊzˌɡeɪ/

nosegay

花束
Meaning
a small bunch of flowers, typically given as a gift or carried for decoration
Example
She carried a nosegay of fresh roses to the ceremony.
她拿着一束新鲜的玫瑰花去参加仪式。
C2 verb /kəˈnaɪv/

connive

秘密参与不当行为
Meaning
to secretly allow or be involved in a wrongdoing
Example
The manager connived with the supplier to cheat the company.
经理与供应商合谋欺骗公司。
C2 noun /ˈkɒksweɪn/

coxswain

舵手
Meaning
the person in charge of navigating and steering a boat, especially a racing or small boat
Example
The coxswain shouted instructions to the rowing team.
舵手向划船队发出了指令。
C2 noun /ˈtændʒənsi/

tangency

相切
Meaning
the condition of touching but not intersecting, especially in geometry
Example
The circle and the line are in a state of tangency at one point.
圆和直线在一个点上处于相切状态。
C2 noun /bɪˈtroʊðəl/

betrothal

订婚
Meaning
The formal engagement to be married.
Example
Their betrothal was announced to the whole village.
他们的订婚在整个村庄宣布。
C2 noun /kəˈbɑl/

Cabal

阴谋集团
Meaning
a secret political clique or faction
Example
The journalists exposed a cabal of corrupt politicians working together.
记者揭露了一个腐败政治家的秘密团体，他们一起合作。
C2 adjective /ˈlɪtərəl/

littoral

沿海的
Meaning
Related to or situated on the shore of the sea or a lake.
Example
The littoral zone is home to many unique marine species.
沿海地区是许多独特海洋物种的栖息地。
C2 adjective /ˈæsənənt/

assonant

押韵
Meaning
Having or characterized by assonance; repeating similar vowel sounds.
Example
The poem is filled with assonant words that create a musical rhythm.
这首诗充满了押韵的词语，创造了音乐般的节奏。
C2 noun /ˈɪnˌɡreɪt/

ingrate

Meaning
An ungrateful person; someone who shows no appreciation.
Example
He worked hard for his friend, but the ingrate never thanked him.
C2 verb /əbˈskɒnd/

abscond

逃跑
Meaning
to leave secretly and quickly, often to avoid arrest or punishment
Example
The thief tried to abscond with the stolen jewelry.
小偷试图带着被盗的珠宝逃跑。
C2 adjective /ˌdɒktrɪˈnɛər/

doctrinaire

教条主义者
Meaning
stubbornly devoted to a theory or doctrine without regard to practical considerations
Example
His doctrinaire approach to politics alienated many supporters.
他对政治的教条主义方法使许多支持者感到疏远。
C2 adjective /ˈɡluː.tɪ.nəs/

glutinous

粘性
Meaning
Having a sticky or glue-like texture.
Example
The glutinous rice stuck together in the pot.
粘性米饭在锅里粘在一起了。
C2 noun /ˈɔːlmənæk/

almanac

年鉴
Meaning
An annual publication containing calendars, weather forecasts, astronomical data, and other useful information.
Example
He consulted the almanac to check the phases of the moon.
他查阅了年鉴，以查看月亮的各个阶段。
C2 adjective /fɪˈdjuːʃəl/

fiducial

信任的，作为参考标准的
Meaning
based on trust or confidence; serving as a standard of reference
Example
The fiducial point on the map ensures accurate measurements.
地图上的菲杜西亚尔点确保了精确的测量。
C2 verb /ˈsʌbdʒʊˌɡeɪt/

subjugate

征服
Meaning
To bring under domination or control, especially by conquest.
Example
The empire sought to subjugate the neighboring kingdoms.
帝国试图征服邻国。
C2 adjective /ˌsuːpərˈnuːmərɛri/

supernumerary

额外的
Meaning
Exceeding the usual number; extra or unnecessary.
Example
The play included several supernumerary actors to fill the background scenes.
这出戏包含了几个额外的演员来填充背景场景。
C2 noun /kənˈfɛsər/

confessor

忏悔者
Meaning
A person who confesses sins or secrets, especially to a priest.
Example
The confessor listened patiently to the troubled man.
忏悔者耐心地听着困扰的男人。
C2 verb /ˈdʒæbər/

jabber

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

facsimile

传真副本
Meaning
an exact copy or reproduction of a document
Example
He sent a facsimile of the contract to the client.
他把合同的传真副本发送给了客户。
C2 noun məˌnɒp.ə.laɪˈzeɪ.ʃən

monopolization

垄断化
Meaning
The process by which a company gains exclusive control over a commercial activity.
Example
The monopolization of industries can limit consumer choices.
行业的垄断化可能会限制消费者的选择。
C2 noun /riːm/

ream

令纸
Meaning
A large quantity of paper (typically 500 sheets); informally, a large amount of something.
Example
The office ordered ten reams of paper.
办公室订购了十令纸。
C2 verb /ʌpˈbreɪd/

upbraid

斥责
Meaning
To scold or criticize someone harshly.
Example
The teacher upbraided the student for being late again.
老师因为学生再次迟到而训斥了他。
C2 noun /ɪˈfʌldʒəns/

effulgence

光辉
Meaning
Brilliant radiance or shining brightness.
Example
The effulgence of the sunrise lit up the entire valley.
日出的光辉照亮了整个山谷。
C2 adjective /ˈsætərˌnaɪn/

saturnine

忧郁的
Meaning
slow and gloomy in mood
Example
His saturnine expression made everyone in the room uncomfortable.
他的忧郁表情让房间里的人都感到不舒服。
C2 adjective /ˌseɪpiˈɛnʃəl/

sapiential

智慧相关的
Meaning
Relating to wisdom or knowledge, often in a religious or philosophical sense.
Example
The monk shared sapiential teachings with his students.
和尚与学生们分享了与智慧相关的教义。
C2 verb /ˌfɔːrɔːrˈdeɪn/

foreordain

预定
Meaning
to determine or decree something in advance; to predestine
Example
Some believe that our lives are foreordained by fate.
一些人相信我们的生活是命运预定的。
C2 noun /mæŋˈɡoʊ.li.ə/

Mangolia

木兰花
Meaning
a type of flowering tree with large, fragrant pink or white flowers
Example
The beautiful magnolia tree bloomed in spring with pink flowers.
美丽的木兰花树在春天开花，盛开着粉色的花朵。
C2 noun /niːˈɒlədʒɪzəm/

neologism

新词
Meaning
A newly coined word or expression.
Example
The internet has given rise to many neologisms like 'selfie' and 'hashtag'.
互联网催生了许多新词，如“自拍”和“标签”。
C2 noun /ˌdoʊ.məˈstɪs.ə.ti/

domesticity

家庭生活
Meaning
Life at home or devotion to family life.
Example
She enjoys the domesticity of cooking and gardening.
她喜欢做饭和园艺的家庭生活。
C2 verb /ˈmɒtl/

mottle

斑驳
Meaning
To mark with spots or patches of color.
Example
The leaves were mottled with shades of yellow and brown.
叶子上布满了黄色和棕色的斑点。
C2 adjective /ˌdɪspjuːˈteɪʃəs/

disputatious

爱争辩的
Meaning
fond of or given to argument and debate
Example
His disputatious nature often led to heated conversations.
他争辩的性格常常导致激烈的讨论。
C2 noun /ˈvɪrjʊləns/

virulence

毒性
Meaning
The severity or harmfulness of a disease or poison.
Example
Scientists studied the virulence of the new virus strain.
科学家研究了新病毒株的毒性。
C2 adjective /ˈpaɪbɔːld/

piebald

双色斑点
Meaning
having irregular patches of two colors, especially black and white
Example
The farmer owns a piebald horse with black and white spots.
农夫有一匹带有黑白斑点的双色马。
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 /ˈsɛkstənt/

sextant

六分仪
Meaning
a navigational instrument with a graduated arc of 60°, used to measure the angle between a celestial object and the horizon
Example
Using a sextant, the navigator fixed the ship’s position at noon.
使用六分仪，导航员在中午确定了船的位置。
C2 noun /ˌhaɪdroʊməˈkænɪks/

hydromechanics

水力学
Meaning
The study of the mechanical properties and behavior of fluids in motion and at rest.
Example
Hydromechanics provides the foundation for naval architecture.
水力学为船舶设计提供了基础。
C2 adjective /ˌpluːˈpɜːrfɪkt/

pluperfect

过去完成时
Meaning
a verb tense expressing an action completed before another past action
Example
By the time she arrived, he had finished his homework, showing the pluperfect tense.
在她到达时，他已经完成了作业，展示了过去完成时。
C2 noun /ˈpær.əkˌsɪz.əm/

paroxysm

突如其来的爆发
Meaning
A sudden, violent outburst of emotion or activity.
Example
She was seized by a paroxysm of laughter.
她被一阵突如其来的笑声席卷。
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 /ˈoʊvərlɔːrd/

overlord

领主
Meaning
A ruler, master, or person of great power and authority over others.
Example
The peasants were forced to pay taxes to their overlord.
农民被迫向他们的领主交税。
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 noun /ˈwɑːmpəm/

wampum

贝壳项链
Meaning
beads made by Native Americans from shells, used as money or decoration
Example
The tribe traded furs for wampum.
部落用皮毛换取贝壳项链。
C2 adverb, noun /ˈwɛə.wɪð/

wherewith

手段
Meaning
With which; the means or resources needed for something.
Example
He lacked the money wherewith to buy a new house.
他没有足够的钱来买新房。
C2 noun /dɪnt/

dint

努力，撞击痕迹
Meaning
an impression or hollow made by a blow; force or power
Example
By dint of hard work, he achieved success.
通过努力工作，他取得了成功。
C2 adjective /ɪmˈperɪʃəbəl/

Imperishable

永恒的; 不朽的; 不会腐烂的
Meaning
not subject to decay; lasting forever; eternal
Example
The imperishable beauty of classical art continues to inspire generations.
经典艺术的永恒美丽继续激励着一代又一代。
C2 adjective /rɪˈkæl.sɪ.trənt/

recalcitrant

倔强的, 顽固的, 不服从的
Meaning
Having an obstinately uncooperative attitude toward authority or discipline.
Example
The recalcitrant student refused to follow rules.
倔强的学生拒绝遵守规则。
C2 verb /rɪˈpruːv/

reprove

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

nomenclature

命名法
Meaning
A system of names or terms used in a particular science, art, or field.
Example
The chemical nomenclature can be difficult for beginners to understand.
化学命名法对初学者来说可能很难理解。
C2 adjective /ˌnɒnˈtrɪviəl/

nontrivial

非平凡
Meaning
Not simple or easy; requiring effort or significant thought.
Example
Solving the equation turned out to be a nontrivial task.
解决方程被证明是一个非平凡的任务。
C2 noun /ˈmɛtəl/

mettle

勇气
Meaning
A person's ability to cope well with difficulties or to face demanding situations with courage.
Example
The young athlete showed his mettle in the final match.
这位年轻的运动员在决赛中展示了他的勇气。
C2 noun /ˈæmɪti/

amity

友谊
Meaning
A friendly relationship between people or countries.
Example
The treaty helped maintain amity between the neighboring nations.
该条约帮助维护邻国之间的友好关系。
C2 noun /ˈlɔɪtərər/

loiterer

在某地漫无目的闲逛的人
Meaning
A person who lingers aimlessly in a place without purpose.
Example
The police questioned the loiterer outside the store.
警察在商店外询问了洛伊特勒。
C2 noun /ɡreɪˈdeɪʃən/

gradation

渐变
Meaning
A gradual change from one stage, tone, or degree to another.
Example
The artist used subtle gradation of colors in her painting.
艺术家在她的画作中使用了细腻的渐变色彩。
C2 verb /sweɪð/

swathe

Meaning
To wrap or cover closely or completely.
Example
She swathed the baby in a soft blanket.
C2 verb /ɪnˈfætʃueɪt/

infatuate

迷恋
Meaning
to inspire with an intense but short-lived passion or admiration
Example
He was infatuated with her beauty.
他被她的美貌迷住了。
C2 noun /ˈɛmbəˌlɪzəm/

embolism

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

irreducible

不可约的
Meaning
impossible to reduce or simplify further
Example
The fraction 3/7 is irreducible.
分数 3/7 是不可约的。
C2 noun /ˌɪnvəˈlɪdɪti/

invalidity

无效性
Meaning
the state of being invalid, legally void, or lacking force or validity
Example
The court ruled that the contract suffered from invalidity.
法院裁定该合同存在无效性。