actuate
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C2 verb /ˈæktʃueɪt/

actuate

激活
Meaning
to put into action or motion; to motivate or activate
Example
The engineer actuated the machine with a simple switch.
工程师通过一个简单的开关激活了机器。
C2 adjective /ˈstraɪ.eɪ.tɪd/

striated

条纹的
Meaning
marked with thin lines, grooves, or stripes
Example
The muscle fibers appeared striated under the microscope.
在显微镜下，肌肉纤维看起来是条纹的。
C2 noun /boʊl/

bole

树干
Meaning
the trunk of a tree
Example
The bole of the tree was thick and strong.
树干又粗又强壮。
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 adjective /ɔːrˈθɑːɡənl/

orthogonal

正交
Meaning
at right angles; independent or unrelated
Example
In mathematics, two vectors are orthogonal if their dot product is zero.
在数学中，如果两个向量的点积为零，它们就是正交的。
C2 noun /ˈwɔːrˌmʌŋɡər/

warmonger

战争煽动者
Meaning
A person who advocates or promotes war or conflict.
Example
The leader was criticized as a warmonger by his opponents.
这位领导人被对手批评为战争煽动者。
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 /blæk ˈkɑːr.də.məm/

Black Cardamom

黑豆蔻
Meaning
a large aromatic spice pod with a smoky flavor, commonly used in Indian and Middle Eastern cooking
Example
Add black cardamom to the curry for a rich, smoky flavor.
在咖喱中加入黑豆蔻，增添丰富的烟熏味。
C2 verb /ˌweɪˈleɪ/

waylay

突然拦住 / 攻击
Meaning
to stop or interrupt someone unexpectedly, often to attack or detain them
Example
He was waylaid by reporters as he left the courthouse.
当他离开法院时，被记者拦住了。
C2 adjective /ræpˈtɔːriəl/

raptorial

猛禽
Meaning
Relating to birds of prey or predatory behavior.
Example
The eagle is a raptorial bird with sharp talons.
鹰是一个猛禽，拥有锋利的爪子。
C2 adjective /ʌnˈʌtərəbl/

unutterable

难以言喻
Meaning
Too great, intense, or awful to be expressed or described in words.
Example
She was filled with unutterable joy at the news of her success.
她听到成功的消息时充满了难以形容的喜悦。
C2 adjective /ˈrævənɪŋ/

ravening

饥饿和贪婪
Meaning
Extremely hungry and greedy; voracious.
Example
The ravening wolves circled the camp.
饥饿的狼包围了营地。
C2 noun /ˈɪrˌʃɑːt/

earshot

听力范围
Meaning
the range or distance within which a sound can be heard
Example
The children whispered secrets out of earshot of their parents.
孩子们在父母的听力范围之外低声说着秘密。
C2 adjective /ˈslʌvənli/

slovenly

邋遢
Meaning
Untidy or careless in appearance, habits, or work.
Example
His slovenly appearance made a bad impression at the interview.
他的邋遢外表在面试中留下了不好的印象。
C2 noun /ɪˈlɪksər/

elixir

灵药
Meaning
A magical or medicinal potion believed to cure illnesses or grant immortality.
Example
The old legend spoke of an elixir that could grant eternal youth.
古老的传说中提到了一个可以赋予永恒青春的灵药。
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 verb /ˈvɛdʒɪteɪt/

vegetate

发呆
Meaning
to live in a dull, inactive, or unchallenging way, often with little physical or mental effort
Example
He spent his vacation vegetating on the couch in front of the TV.
他把假期都用来在沙发上看电视，什么都不做。
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 verb /ˌɡeɪnˈseɪ/

gainsay

反驳
Meaning
To deny, contradict, or speak against.
Example
No one could gainsay the evidence presented in court.
没有人能够反驳法庭上提出的证据。
C2 noun /ˈtɜːrnkoʊt/

turncoat

叛徒
Meaning
a person who switches allegiance, often betraying a cause or group
Example
He was branded a turncoat after joining the rival political party.
在加入对立的政党后，他被贴上了叛徒的标签。
C2 noun /dʒæm/

jamb

门框
Meaning
The side post or surface of a doorway, window, or fireplace.
Example
The carpenter carefully measured the width of the door jamb.
木匠小心地测量了门框的宽度。
C2 adjective /bruːsk/ or /brʌsk/

brusque

粗暴
Meaning
abrupt or blunt in manner or speech, often seen as rude
Example
His brusque reply ended the conversation.
他那粗暴的回答结束了谈话。
C2 noun /ˈɡɔːntlɪt/

gauntlet

护手 / 挑战
Meaning
a protective glove; a challenge or trial; to 'throw down the gauntlet' means to issue a challenge
Example
The knight threw down his gauntlet as a sign of challenge.
骑士把他的护手扔下，作为挑战的标志。
C2 noun /dʒɛˌstɪkjʊˈleɪʃən/

gesticulation

手势
Meaning
a gesture, especially a dramatic one, used instead of speaking or to emphasize speech
Example
His speech was full of passionate gesticulations.
他的演讲充满了激情的手势。
C2 noun, adjective /ˈɡɒsəmər/

gossamer

轻薄物
Meaning
Something light, thin, and delicate, like a fine fabric or cobweb.
Example
The bride's veil was made of delicate gossamer fabric.
新娘的面纱是由精致的高萨梅尔布料做成的。
C2 adjective /splɪˈnɛtɪk/

splenetic

脾气暴躁的，易怒的
Meaning
bad-tempered, irritable, spiteful
Example
His splenetic remarks offended everyone in the room.
他的脾气暴躁的评论冒犯了房间里的每个人。
C2 noun /ˈbɜːrdʒɪs/

burgess

市民
Meaning
A citizen of a town or borough with full rights of citizenship.
Example
In medieval times, a burgess had the right to vote and hold property.
在中世纪，市民有投票权和拥有财产的权利。
C2 noun /ˈfrækɑː/

fracas

纷争
Meaning
A noisy disturbance or quarrel.
Example
The fracas outside the bar drew the attention of the police.
酒吧外的纷争引起了警察的注意。
C2 verb /əˈkɒst/

accost

突然接近并与某人交谈
Meaning
to approach and speak to someone boldly or aggressively
Example
The reporter was accosted by protesters outside the courthouse.
记者在法院外被抗议者突然围住。
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 /bænˈdænə/

bandanna

大彩色头巾
Meaning
A large, often brightly colored handkerchief, typically worn on the head or around the neck.
Example
He tied a red bandanna around his neck.
他把一条红色的头巾绑在脖子上。
C2 adjective /juːˈnɪsənənt/

unisonant

和谐的
Meaning
Sounding together or in harmony.
Example
The unisonant voices created a powerful effect.
和谐的声音创造了强大的效果。
C2 adjective /dɪˈkrɛpɪt/

decrepit

破旧
Meaning
worn out or weakened by age or neglect
Example
The decrepit old house was on the verge of collapse.
那座破旧的老房子几乎要坍塌了。
C2 noun /əˈklɪvɪti/

acclivity

上坡
Meaning
An upward slope or incline on the ground.
Example
The hikers struggled as they climbed the steep acclivity.
登山者在攀登陡峭的上坡时遇到困难。
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 adjective /ˈklɛmənt/

clement

温和 / 仁慈
Meaning
mild or merciful; describing weather as mild and pleasant
Example
The prisoners hoped for a clement judge.
囚犯们希望有一个温和的法官。
C2 adjective /ˌnɒnpəˈreɪl/

nonpareil

无与伦比
Meaning
Having no equal; unrivaled or matchless.
Example
Her beauty was considered nonpareil in the region.
她的美貌在该地区被认为是无与伦比的。
C2 noun /ɪˈluːmɪnənt/

illuminant

光源
Meaning
A substance or device that produces light.
Example
The lamp acted as an illuminant in the dark cave.
这盏灯在黑暗的洞穴中充当了光源。
C2 adjective /ˈɡɛə.rɪʃ/

garish

过于耀眼和显眼
Meaning
Excessively bright and showy, often in a tasteless or unattractive way.
Example
The room was decorated with garish neon lights.
房间被过于耀眼的霓虹灯装饰。
C2 verb /ˈfʊl.mɪ.neɪt/

fulminate

猛烈抗议
Meaning
To express strong protest or criticism loudly and forcefully; to explode violently.
Example
The politician began to fulminate against corruption.
政治家开始猛烈反对腐败。
C2 noun /priːˈɛmɪnəns/

preeminence

卓越
Meaning
The fact of surpassing all others; superiority.
Example
The university has gained preeminence in medical research.
该大学在医学研究中已获得卓越地位。
C2 noun /leɪð/

lathe

车床
Meaning
A machine for shaping wood, metal, or other material by rotating it against a cutting tool.
Example
The carpenter used a lathe to shape the wooden bowl.
木匠使用车床来塑形木碗。
C2 verb /ˈɛkskʌlpeɪt/

exculpate

辩解
Meaning
to show or declare that someone is not guilty of wrongdoing
Example
The lawyer worked hard to exculpate his client.
律师努力工作，为他的客户辩解。
C2 noun /ˈbɔːlsəm/

Balsam

香脂花
Meaning
a flowering plant with colorful blooms that often open in the evening; also refers to aromatic resin
Example
The garden balsam flowers bloomed beautifully in various shades of pink and purple.
花园中的香脂花以粉红色和紫色的不同色调美丽地盛开。
C2 noun ˌkɒdʒɪˈteɪʃən

cogitation

沉思, 思考
Meaning
The action of thinking deeply about something; contemplation
Example
After much cogitation, he made the final decision.
经过深思熟虑后，他做出了最终决定。
C2 verb /ɪˈstreɪndʒ/

estrange

Meaning
to cause someone to no longer be close or affectionate; to alienate
Example
His constant criticism began to estrange him from his friends.
C2 noun /ˌprɪnsɪˈpæləti/

principality

公国
Meaning
a state ruled by a prince
Example
Monaco is a famous principality in Europe.
摩纳哥是欧洲著名的公国。
C2 noun /neɪv/

nave

教堂的中央部分
Meaning
the central part of a church building intended to accommodate the congregation
Example
The choir sang beautifully in the church nave.
合唱团在教堂的内夫里唱得非常动听。
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 /ˌɛksɪˈɡjuːɪti/

exiguity

匮乏
Meaning
the quality of being scanty or meager in amount
Example
The exiguity of resources made the project difficult to complete.
资源的匮乏使得项目完成变得困难。
C2 noun /prɪˈfɜːrmənt/

preferment

晋升
Meaning
promotion or advancement in rank, position, or office
Example
He hoped for preferment in the government office.
他希望在政府办公室得到晋升。
C2 noun /kwɑːˈfjʊr/

coiffure

发型
Meaning
A person's hairstyle, typically an elaborate one.
Example
Her elegant coiffure impressed everyone at the party.
她优雅的发型让聚会上的每个人都印象深刻。
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 adjective /ˈkwɒdreɪt/

quadrate

方形
Meaning
square or nearly square; having four sides or being suited or corresponding to something
Example
The tiles had a neat quadrate shape that made the floor look orderly.
瓷砖呈现出整齐的方形形状，使地板看起来整洁。
C2 noun /ˈkeɪ.nə.naɪt/

canaanite

迦南人
Meaning
a member of a people who lived in the ancient land of Canaan in the Middle East
Example
The Canaanites were known for their advanced trade networks.
迦南人以其先进的贸易网络而闻名。
C2 noun /ˈpɒl.i.mæθ/

polymath

博学者
Meaning
a person with knowledge of many different subjects
Example
Leonardo da Vinci was a true polymath, excelling in art, science, and engineering.
列奥纳多·达·芬奇是一个真正的博学者，擅长艺术、科学和工程。
C2 adjective /ˈɛksɪdʒənt/

exigent

紧急
Meaning
demanding immediate action or attention; urgent
Example
The patient’s exigent condition required immediate surgery.
病人的紧急情况需要立即进行手术。
C2 noun /ɪmˈpruː.dəns/

Imprudence

轻率; 粗心; 不小心
Meaning
the quality of being imprudent; lack of care for consequences; recklessness
Example
His financial imprudence led to bankruptcy within just two years.
他的财务不谨慎导致了两年内破产。
C2 noun /ˈbɑːr.bər/

Barbar

理发师
Meaning
a person whose job is to cut men's hair and shave or trim beards
Example
The barber gave him a perfect haircut for his wedding.
理发师为他的婚礼剪了一个完美的发型。
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 /ˈɔːldərmən/

alderman

市议会成员
Meaning
An elected member of a municipal council in certain cities and towns.
Example
The alderman proposed a new plan for community parks.
市议员提出了一个新的社区公园计划。
C2 noun /pəˈlɛmɪk/

polemic

激烈的抨击
Meaning
a strong verbal or written attack on someone or something
Example
The article was a fierce polemic against the government's policies.
这篇文章是对政府政策的激烈抨击。
C2 noun /ˈpɛnjʊri/

penury

极端贫困
Meaning
extreme poverty or destitution
Example
He grew up in penury but became successful later in life.
他在极度贫困中长大，但后来在生活中成功。
C2 adjective /ˈpɛneɪt/

pennate

羽毛状的
Meaning
Having parts or structures arranged like a feather; feather-shaped.
Example
The fern has a pennate leaf structure.
蕨类植物的叶片结构是羽毛状的。
C2 noun /ænˈtɪpəθi/

antipathy

反感
Meaning
a deep-seated feeling of dislike or aversion toward something or someone
Example
There was a mutual antipathy between the two rival companies.
两家竞争对手之间存在相互的反感。
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 /kənˈkɒmɪtənt/

concomitant

伴随的
Meaning
Naturally accompanying or associated with something.
Example
Increased stress is often concomitant with long working hours.
增加的压力通常与长时间的工作时间并存。
C2 noun /ˌmɛtəfɪˈzɪʃən/

metaphysician

形而上学家
Meaning
A person who studies or is an expert in metaphysics.
Example
The metaphysician debated the essence of reality with his peers.
形而上学家与同伴们讨论了现实的本质。
C2 adverb /hərˈmɛtɪkli/

hermetically

密封地
Meaning
In a way that is completely airtight or sealed off.
Example
The jars were hermetically sealed to preserve freshness.
罐子被密封起来以保持新鲜。
C2 noun /nəˈkrɒpəlɪs/

necropolis

古代墓地
Meaning
a large ancient cemetery with elaborate tombs
Example
The archaeologists discovered artifacts in the necropolis of the ancient city.
考古学家在古城的内克罗波利斯中发现了文物。
C2 adjective /ˌnjuːmɪzˈmætɪk/

numismatic

钱币学的
Meaning
relating to the study or collection of coins, currency, and medals
Example
He has a numismatic collection of rare coins from around the world.
他拥有来自世界各地的稀有硬币收藏。
C2 noun /ˈɡræfaɪt/

graphite

石墨
Meaning
a soft, black form of carbon used in pencils and as a lubricant
Example
The artist sketched the portrait using a graphite pencil.
艺术家用石墨铅笔勾画了肖像。
C2 noun /bɪər/

bier

灵柩架
Meaning
a frame or stand on which a coffin or body is placed before burial or cremation
Example
The coffin was placed on the bier during the funeral service.
棺材在葬礼服务期间被放置在灵柩架上。
C2 noun /ˌpæliˈeɪʃən/

palliation

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

sate

满足
Meaning
To satisfy fully or to excess.
Example
The huge meal sated their hunger after the long journey.
长途旅行后，丰盛的餐点满足了他们的饥饿。
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 verb /ɪnˈθroʊn/

enthrone

加冕
Meaning
to install someone on a throne or to give someone high status
Example
The king was enthroned in a grand ceremony.
国王在盛大的仪式上加冕。
C2 noun /prɪˈsɛntɪmənt/

presentiment

预感
Meaning
An intuitive feeling about the future, especially of something bad about to happen.
Example
He had a strong presentiment that the plan would fail.
他有强烈的预感，计划会失败。
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 adjective /ɑːrˈθʊr.i.ən/

arthurian

与亚瑟王相关的
Meaning
Relating to the legendary King Arthur and the stories surrounding him.
Example
The novel is set in an Arthurian world of knights and castles.
这部小说设定在一个亚瑟王的世界里，充满了骑士和城堡。
C2 noun /θiˈɒkrəsi/

theocracy

神权政治
Meaning
A system of government in which priests or religious leaders rule in the name of God or a deity.
Example
The country was governed as a theocracy where religious leaders had supreme authority.
这个国家被作为一个神权政治统治，宗教领袖拥有最高的权力。
C2 verb /bɪˈfɒɡ/

befog

使模糊
Meaning
to confuse or make unclear; to cover with fog or mist
Example
His mind was befogged by exhaustion.
他的思维因疲劳而模糊不清。
C2 noun/verb /ˈkʌdʒ.əl/

cudgel

棍棒
Meaning
A short, thick stick used as a weapon; to beat with a cudgel.
Example
The guard used a cudgel to chase away the thief.
警卫用棍棒把小偷赶走。
C2 adjective /ɛɡˈzɪɡjuəs/

exiguous

稀缺
Meaning
small in amount; scanty or inadequate
Example
They survived on exiguous rations during the journey.
他们在旅途中依靠稀缺的口粮生存。
C2 verb, noun /ˈkweɪvər/

quaver

颤抖
Meaning
To shake or tremble in speaking, typically through nervousness or emotion.
Example
Her voice quavered as she spoke before the crowd.
她的声音在讲话时颤抖，尤其是在人群面前。
C2 noun /ˈdɔɪən/

doyen

最受尊敬的人
Meaning
The most respected or prominent person in a particular field.
Example
He is regarded as the doyen of modern literature in the country.
他被视为该国现代文学的多伊恩。
C2 adjective /suːˈpɜːrnəl/

supernal

天上的
Meaning
Relating to the heavens; celestial or divine.
Example
The painting captured a supernal beauty that felt otherworldly.
这幅画捕捉到了一个天上的美丽，感觉像是另一个世界的。
C2 adverb /ˌeɪˈmɔːrəli/

amorally

非道德地
Meaning
In a way that shows no concern about whether behavior is morally right or wrong.
Example
He acted amorally, ignoring the consequences of his actions.
他以非道德的方式行事，忽视了他的行为后果。
C2 noun /ˌbeɪt ˈnwɑːr/

bete noire

令人讨厌的事物
Meaning
A person or thing that one particularly dislikes or fears.
Example
Grammar has always been his bete noire.
语法一直是他的贝特诺尔。
C2 noun /stɒˈkeɪd/

stockade

木栅栏
Meaning
a defensive barrier made of strong posts or timbers, often around a fort or prison
Example
The prisoners were kept inside the wooden stockade.
囚犯被关在木栅栏内。
C2 adjective /məˈlɪfluəs/

mellifluous

甜美的
Meaning
Sweet or musical; pleasant to hear.
Example
The singer’s mellifluous voice enchanted the audience.
歌手那甜美的声音迷住了观众。
C2 adjective /bɪˈnaɪtɪd/

benighted

黑暗的，无知的
Meaning
In a state of intellectual or moral ignorance; overtaken by darkness.
Example
The explorers were lost in the benighted forest without any guide.
探险者在没有向导的情况下迷失在黑暗的森林中。
C2 adjective /ˌaɪdəˈlɑːtrɪəs/

idolatrious

偶像崇拜的
Meaning
Excessively devoted or reverent towards idols or false gods.
Example
The ancient tribe was known for its idolatrious practices.
这个古老的部落因其偶像崇拜的习惯而闻名。
C2 noun /ˌmɪsæprɪˈhɛnʃən/

misapprehension

误解
Meaning
a mistaken belief or misunderstanding
Example
There is a common misapprehension about the causes of the disease.
关于疾病原因存在常见的误解。
C2 verb /ˈsɪbəleɪt/

sibilate

发出嘶嘶声
Meaning
To pronounce with a hissing sound.
Example
The actor sibilated his lines for dramatic effect.
演员为了戏剧效果，用嘶嘶声说出了他的台词。
C2 verb /əˈmælɡəmeɪt/

amalgamate

合并
Meaning
to combine or unite to form one organization or structure; to merge
Example
The two companies decided to amalgamate their operations.
这两家公司决定合并他们的运营。
C2 noun /koʊˈæɡjələnt/

coagulant

凝血剂
Meaning
a substance that causes blood or another liquid to clot
Example
The doctor applied a coagulant to stop the bleeding quickly.
医生使用了凝血剂来迅速止血。
C2 noun /ˈæltruɪst/

altruist

利他主义者
Meaning
a person who has an unselfish concern for the welfare of others
Example
He is an altruist who always puts others' needs before his own.
他是一个总是把别人的需求放在自己之前的无私的人。
C2 adjective /ˈreɪ.moʊs/

ramose

分枝的
Meaning
having many branches.
Example
The ramose tree shaded the entire garden.
这棵分枝的树为整个花园提供了阴凉。
C2 adjective /ɪnhɑːrˈmoʊniəs/

Inharmonious

不和谐
Meaning
lacking harmony; discordant in sound; not in tune
Example
The inharmonious sounds from the broken piano made everyone cover their ears.
破碎钢琴发出的不和谐声音让每个人都捂住了耳朵。
C2 adjective ˌɪn.ɪ.fɪˈkeɪ.ʃəs

inefficacious

无效
Meaning
Not producing any or the desired effect; ineffective.
Example
The treatment was inefficacious in curing the disease.
该治疗对治愈疾病无效。
C2 verb /səˈfjuːz/

suffuse

弥漫
Meaning
to gradually spread through or over something
Example
A warm glow suffused her face as she smiled.
当她微笑时，一种温暖的光辉弥漫到她的脸上。
C2 noun /prɪˈzɛntmənt/

presentment

正式呈交
Meaning
The act of presenting something formally or officially; a formal statement or document.
Example
The lawyer made a presentment of the evidence to the court.
律师将证据呈交给法庭。
C2 noun /ˈpaʊ.waʊ/

powwow

非正式会议
Meaning
an informal meeting or conference to discuss something
Example
The team held a quick powwow before the presentation.
团队在演示之前举行了一个快速的非正式会议。
C2 verb /dɪˈbɪlɪteɪt/

debilitate

削弱
Meaning
to weaken or make someone or something infirm
Example
The long illness debilitated his strength.
长时间的疾病削弱了他的力量。
C2 verb ˈɪnʌndeɪt

inundate

淹没, 用事情或人淹没某人或某物
Meaning
To flood; overwhelm someone or something with things or people to be dealt with
Example
The company was inundated with requests after the advertisement.
广告后，公司被大量请求淹没。
C2 verb /sweɪð/

swathe

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

revelry

庆典
Meaning
Lively and noisy festivities, especially involving drinking and dancing.
Example
The sound of revelry could be heard throughout the night.
整晚都能听到庆典的声音。
C2 noun /nɛˈkroʊsɪs/

necrosis

坏死
Meaning
the death of body tissue due to disease, injury, or lack of blood supply
Example
The doctor explained that the patient’s wound showed signs of necrosis.
医生解释说，病人的伤口显示出坏死的迹象。
C2 verb /ɪˈfjuːz/

effuse

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

neuroscientific

神经科学的
Meaning
Related to the scientific study of the brain and nervous system.
Example
Neuroscientific research helps understand memory retention.
神经科学研究有助于理解记忆保持。
C2 noun /ˈɪn.dɪ.dʒəns/

indigence

贫困
Meaning
a state of extreme poverty or destitution
Example
The charity was founded to help people living in indigence.
这个慈善组织成立是为了帮助生活在贫困中的人们。
C2 noun /ˈdɒldrəmz/

doldrums

Meaning
A state of inactivity, stagnation, or low spirits; also a region near the equator with calm winds.
Example
After the project failed, the team was stuck in the doldrums for months.
C2 noun /ɪnˈtɒksɪkənt/

intoxicant

醉品
Meaning
a substance, especially alcohol or a drug, that causes intoxication
Example
Alcohol is the most commonly used intoxicant in many cultures.
酒精是许多文化中最常用的醉品。
C2 noun /rʌmp/

Rump

臀部; 屁股; 背部下方
Meaning
the hindquarters or buttocks; the lower back area
Example
The horse injured its rump during the fall.
那匹马在跌倒时伤到了它的臀部。
C2 noun /ˈθɛspiən/

thespian

演员
Meaning
An actor or actress; relating to drama or theater.
Example
The festival was filled with talented thespians from across the country.
这个节日充满了来自全国各地的才华横溢的演员。
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 verb /dɪˈlæpɪdeɪt/

dilapidate

衰败
Meaning
To cause something, especially a building, to fall into ruin or disrepair.
Example
The abandoned house began to dilapidate over the years.
那座废弃的房子在多年的时间里开始衰败。
C2 adjective /ɪˈfɛmɪnət/

effeminate

女性化
Meaning
Having traits, tastes, or habits traditionally considered feminine, often used negatively for men.
Example
The critics described him as effeminate due to his gentle manner.
评论家因其温和的举止而将他描述为女性化。