betrothed
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C2 adjective, noun /bɪˈtroʊðd/

betrothed

订婚的
Meaning
Engaged to be married; a person who is engaged.
Example
She introduced him as her betrothed.
她把他介绍为她的未婚夫。
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 /ˈæstər/

Aster

紫菀花
Meaning
a flowering plant with daisy-like flowers that typically bloom in fall
Example
The purple asters bloomed beautifully in the autumn garden.
紫色的紫菀花在秋天的花园里美丽地盛开。
C2 verb /miːt/

mete

分配
Meaning
To dispense or allot justice, punishment, or harsh treatment.
Example
The judge will mete out punishment according to the crime.
法官将根据罪行分配惩罚。
C2 noun /ˈpætwɑː/

patois

地方方言
Meaning
a regional or social dialect, especially one considered nonstandard or informal
Example
The guide slipped into local patois when chatting with the fishermen.
导游在与渔民交谈时开始使用当地的帕图瓦。
C2 noun /ˈɛksɪdʒənsi/

exigency

紧急需求
Meaning
an urgent need or demand requiring immediate attention
Example
In times of war, the exigency of the situation requires quick decisions.
在战争时期，局势的紧急需求需要迅速的决策。
C2 adjective /sʌbˈlɪŋɡwəl/

sublingual

舌下
Meaning
situated or applied under the tongue
Example
The doctor prescribed a sublingual tablet for faster absorption.
医生为更快的吸收开了舌下药片。
C2 adjective /bɒmˈbæstɪk/

bombastic

浮夸
Meaning
using pompous or inflated language with little meaning
Example
The professor’s bombastic lecture impressed no one.
教授那场浮夸的讲座没有给任何人留下深刻印象。
C2 adjective /ɪˈnɪm.ɪ.tə.bəl/

inimitable

无可比拟
Meaning
So good or unusual as to be impossible to copy; unique.
Example
His inimitable writing style made him a literary legend.
他那无可比拟的写作风格使他成为了文学传奇。
C2 verb /nɑːrl/

gnarl

扭曲
Meaning
To twist into a knotted or distorted form.
Example
The tree roots began to gnarl around the stones.
树根开始绕着石头扭曲。
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 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 /ˈriːdʒənt/

regent

摄政王
Meaning
a person who rules in place of a monarch when the monarch is absent or too young
Example
The prince acted as regent until the king came of age.
王子担任摄政直到国王成年。
C2 adjective /ɡoʊʃ/

gauche

笨拙
Meaning
lacking social grace, sensitivity, or tact; awkward
Example
His gauche remarks embarrassed everyone at the dinner party.
他那笨拙的评论让晚宴上的每个人都感到尴尬。
C2 noun /ˈætəmaɪzər/

atomizer

喷雾器
Meaning
A device that sprays liquid into a fine mist.
Example
She used an atomizer to apply the perfume evenly.
她使用喷雾器均匀地涂抹香水。
C2 adjective /sɪər/

sere

干枯
Meaning
Dry or withered, especially vegetation.
Example
The sere leaves crumbled under his feet.
干枯的叶子在他的脚下碎裂。
C2 adjective /ˈhʌmdrʌm/

humdrum

单调
Meaning
Lacking excitement or variety; dull and monotonous.
Example
She grew tired of the humdrum routine of office life.
她厌倦了办公室生活的单调例行公事。
C2 noun /ˈprɪvɪti/

privity

私密关系, 合同关系
Meaning
A close, private, or special relationship; in law, the direct connection between parties to a contract.
Example
There was no privity of contract between the supplier and the customer.
供应商和客户之间没有合同关系。
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 /sɪˈbeɪʃəs/

sebaceous

与皮脂相关
Meaning
Relating to or secreting sebum, an oily substance from the skin.
Example
Acne is often caused by overactive sebaceous glands.
痤疮通常是由过度活跃的皮脂腺引起的。
C2 adjective /ˌɪnsəˈpɔːrtəbl̩/

insupportable

无法忍受的
Meaning
Too extreme or difficult to be endured.
Example
The heat was insupportable during the long journey.
长途旅行中，热度是无法忍受的。
C2 adjective /ˌɪrɪˈtriːvəbl/

irretrievable

不可恢复
Meaning
impossible to recover or regain
Example
The documents were lost in an irretrievable way after the fire.
文件在火灾后以不可恢复的方式丢失。
C2 noun /rɪˈfrækʃən/

refraction

折射
Meaning
The bending of light, sound, or other waves when they pass from one medium to another of different density.
Example
The refraction of light in water makes objects appear bent.
水中的光折射使物体看起来弯曲。
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 /ˈaɪ.kɒn/

ikon

宗教图像或符号
Meaning
A religious image or symbol, especially in the Eastern Orthodox Church.
Example
The church displayed a beautifully painted ikon of the Virgin Mary.
教堂展示了美丽的圣母玛利亚圣像。
C2 noun /tʊˈriːn/

tureen

炖锅
Meaning
A large deep dish with a cover, used for serving soups or stews.
Example
She brought the hot soup to the table in a silver tureen.
她把热汤端到桌子上，放在一个银色的炖锅里。
C2 verb /dɪsˈtɛnd/

distend

膨胀
Meaning
to swell or expand by pressure from within
Example
Her stomach began to distend after the large meal.
她的肚子在大餐后开始膨胀。
C2 noun /ˈkɒnk.leɪv/

conclave

秘密会议
Meaning
a private meeting, especially a secret or important one
Example
The leaders met in a secret conclave to discuss the strategy.
领导们在一个秘密的集会上讨论战略。
C2 adjective /ˈdɪsənənt/

dissonant

不和谐
Meaning
Harsh and lacking harmony; conflicting.
Example
The orchestra produced a dissonant sound during rehearsal.
乐队在排练中发出了不和谐的声音。
C2 adjective /daɪˈæfənəs/

diaphanous

透明的
Meaning
Light, delicate, and translucent.
Example
She wore a diaphanous dress that shimmered in the sunlight.
她穿着一件透明的裙子，在阳光下闪闪发光。
C2 noun /ˈæpədʒiː/

apogee

顶点
Meaning
the highest or most distant point; the climax or peak of something
Example
The empire reached its apogee during the 18th century.
帝国在18世纪达到了它的顶点。
C2 noun /ˈkeɪsiːn/

Casein

酪蛋白
Meaning
the main protein found in milk and cheese, used in food production and supplements
Example
Casein protein powder is popular among athletes for muscle recovery.
酪蛋白粉在运动员中因其对肌肉恢复的帮助而受到欢迎。
C2 verb /dɪˈnjuːd/

denude

剥夺
Meaning
to strip something of its covering, possessions, or assets
Example
The forest was denuded of trees by illegal logging.
森林被非法伐木剥夺了树木。
C2 noun /ɡænˈdʒɛtɪk liːf fɪʃ/

Gangetic Leaf Fish

冈吉斯叶鱼
Meaning
a small freshwater fish species found in the Ganges river system, known for its leaf-like appearance
Example
The Gangetic Leaf Fish is commonly found in the rivers of Bangladesh.
冈吉斯叶鱼通常在孟加拉国的河流中发现。
C2 noun /ˈdʒʊntə/

junta

军事政府
Meaning
A military or political group that rules a country after taking power by force.
Example
The junta seized power after the coup.
政变后，军事政府掌握了权力。
C2 adjective /ɔːˈɡʌst/

august

庄严
Meaning
Respected and impressive; inspiring reverence or admiration.
Example
The king entered the hall with an august presence.
国王以庄严的姿态走进了大厅。
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, verb /ˈfɪlɪˌbʌstər/

filibuster

通过长时间演讲延迟立法行动的策略；使用这种策略
Meaning
a tactic of delaying legislative action by prolonged speech; to use such a tactic
Example
The senator filibustered for hours to prevent the bill from passing.
参议员费利巴斯特了几个小时，以阻止该法案通过。
C2 noun /ˈhɔːzər/

hawser

用于系船或拖船的粗绳
Meaning
A thick rope or cable used in mooring or towing a ship.
Example
The sailors secured the ship to the dock with a heavy hawser.
水手们用一根重的豪泽把船固定在码头。
C2 noun /traɪst/

tryst

秘密约会
Meaning
a private romantic meeting between lovers
Example
They arranged a secret tryst in the park.
他们在公园里安排了一个秘密约会。
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 /ˌɒn.əˌmæt.əˈpiː.ə/

onomatopoeia

拟声词
Meaning
The formation of a word from a sound associated with what is named.
Example
The word 'buzz' is an example of onomatopoeia.
‘buzz’ 这个词是拟声词的一个例子。
C2 noun /ˈɑːbəlɪsk/

obelisk

方尖碑
Meaning
A tall, four-sided, narrow tapering monument with a pyramid-shaped top.
Example
The ancient Egyptians built obelisks to honor their gods.
古埃及人建造了方尖碑来纪念他们的神。
C2 noun /ˌɪnkəˈpæsəti/

incapacity

无能
Meaning
the lack of ability, power, or fitness to do something
Example
His mental incapacity prevented him from making important decisions.
他的心理无能使他无法做出重要决策。
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 /prɪˈpɒndərəns/

preponderance

优势
Meaning
The quality or fact of being greater in number, quantity, or importance.
Example
There was a preponderance of evidence against the defendant.
对被告有明显的证据优势。
C2 adjective /mɛnˈdeɪʃəs/

mendacious

虚伪的
Meaning
not telling the truth; lying
Example
The politician was known for his mendacious statements.
那位政治家以他的虚伪言论而闻名。
C2 noun /oʊliˈændər/

Oleander

夹竹桃
Meaning
a poisonous evergreen shrub with clusters of white, pink, or red flowers
Example
The beautiful oleander flowers bloomed in the garden despite their toxic nature.
美丽的夹竹桃花在花园里盛开，尽管它们有毒。
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 /ˌser.əˈbreɪ.ʃən/

cerebration

脑力活动
Meaning
the process of thinking or using the brain actively
Example
The lecture sparked intense cerebration among the students.
这场讲座激发了学生们的强烈脑力活动。
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 /ˌpæl.ənˈkiːn/

Palanquin

花轿
Meaning
a covered chair or bed carried on poles by bearers
Example
The bride was carried to the wedding ceremony in an ornate palanquin.
新娘在装饰华丽的轿子中被抬到婚礼现场。
C2 adjective /ˈmiːliˌmaʊðd/

mealymouthed

含糊其辞
Meaning
not willing to speak directly and honestly; evasive in speech
Example
The politician gave a mealymouthed response to the tough question.
那位政治家对这个难题的回答含糊其辞。
C2 noun /ɪmˌpɜːrtərbəˈbɪləti/

imperturbability

安定性
Meaning
The quality of being calm and not easily disturbed or upset.
Example
Her imperturbability during the crisis impressed everyone.
她在危机中的安定性给所有人留下了深刻的印象。
C2 adjective /ˌɪnɔːˈspɪʃəs/

Inauspicious

不吉利
Meaning
unlucky; showing signs that future success is unlikely; unfavorable
Example
The dark clouds seemed inauspicious for the wedding.
黑云似乎对婚礼不吉利。
C2 noun ˈkɑː.dərz

cadres

干部
Meaning
A small group of people specially trained for a particular purpose or profession; a group of activists in a communist or other political organization.
Example
There are 26 cadres under BPSC.
BPSC下有26个干部。
C2 verb /ˈsʌblɪmeɪt/

sublimate

转化为更高的活动
Meaning
to redirect strong emotions or desires into socially acceptable activities or channels
Example
She sublimated her anger into painting beautiful landscapes.
她将愤怒转化为美丽的风景画。
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 /ˈræpsədi/

rhapsody

激昂的歌曲/赞美
Meaning
an expression of great enthusiasm or an epic musical composition
Example
The singer’s performance was a rhapsody of emotions.
歌手的表演是一场情感的狂想曲。
C2 noun /ˈmækɪntɒʃ/

mackintosh

防水雨衣
Meaning
a waterproof raincoat, originally made from rubberized fabric
Example
He wore a mackintosh to stay dry in the rain.
他穿了一件麦金托什雨衣以保持干燥。
C2 adjective /ˈɒpjʊlənt/

opulent

奢华的
Meaning
Ostentatiously rich, luxurious, or lavish.
Example
They hosted an opulent wedding with gold decorations.
他们举办了一场奢华的婚礼，装饰有金色装饰品。
C2 adjective /ˈɪrˌsplɪtɪŋ/

earsplitting

震耳欲聋
Meaning
extremely loud or piercing sound
Example
The earsplitting noise of the fire alarm startled everyone.
火灾警报的震耳欲聋的声音让每个人都吓了一跳。
C2 noun /ɪnˈdɛntʃər/

indenture

Meaning
A formal legal agreement, contract, or document, often relating to work or service.
Example
In the 18th century, many workers came under indenture to work overseas.
C2 noun /ˈiːsθiːt/ or /ˈɛsθiːt/

aesthete

审美家
Meaning
A person who has a special appreciation of art and beauty.
Example
The aesthete admired the subtle details of the painting.
艾斯泰特欣赏了画作的细节。
C2 verb /ɛnˈfiːbəl/

enfeeble

削弱
Meaning
To make weak or feeble; to deprive of strength.
Example
The long illness enfeebled the old man.
长期的疾病使老人虚弱。
C2 noun /məˈlɛvələns/

malevolence

恶意
Meaning
The state or condition of being malevolent; having or showing a wish to do evil to others.
Example
His malevolence was clear in the cruel way he treated his rivals.
他的恶意在他对待竞争对手的残忍方式中表现得淋漓尽致。
C2 noun /ˈpɛntəˌɡræm/

pentagram

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

hibernal

Meaning
Relating to or occurring in winter.
Example
The hibernal season is often harsh in the mountains.
C2 noun /məˈnɒkrəsi/

monocracy

独裁制
Meaning
A system of government by a single person; autocracy.
Example
The nation suffered under decades of monocracy.
国家在几十年的独裁制下遭受痛苦。
C2 adjective /ˈmeɪndʒi/

mangy

脏且破旧
Meaning
in poor condition, shabby, dirty, or affected by mange
Example
The stray dog looked mangy and weak.
流浪狗看起来又脏又虚弱。
C2 verb /ˈdiːɪfaɪ/

deify

神化
Meaning
to treat or worship someone or something as a god
Example
Some fans deify their favorite celebrities.
一些粉丝将他们的偶像神化。
C2 adjective /ˈsɪŋkəˌpeɪtɪd/

syncopated

切分节奏
Meaning
Characterized by displaced beats or rhythms, especially in music.
Example
The jazz piece had a syncopated rhythm that energized the crowd.
这段爵士乐有一个切分节奏，激励了人群。
C2 noun /ˈvaɪəl/

viol

一种古老的弦乐器
Meaning
A stringed musical instrument of the Renaissance and Baroque periods, played with a bow and similar to but distinct from the violin family.
Example
The musician played an old viol in the chamber music concert.
音乐家在室内音乐会中演奏了一把古老的维奥尔。
C2 noun kwɔːrk

quark

夸克
Meaning
A fundamental subatomic particle that combines to form protons and neutrons.
Example
Quarks form protons and neutrons.
夸克形成质子和中子。
C2 verb /ˈpɔːltər/

palter

含糊其辞，欺骗
Meaning
to act insincerely or deceitfully; to equivocate or lie
Example
He paltered when asked about his involvement in the deal.
当被问及是否参与交易时，他回避了问题。
C2 noun /ˈæntiˌkraɪst/

antichrist

敌基督
Meaning
A person regarded as the supreme opponent of Christ, often seen as a figure of ultimate evil.
Example
Some people fear the rise of an Antichrist in the future.
有些人害怕未来出现敌基督。
C2 noun /ˌɪnkrɪˈdjuːləti/

incredulity

怀疑
Meaning
the state of being unwilling or unable to believe something
Example
She looked at him with incredulity after hearing the strange story.
在听到那个奇怪的故事后，她带着怀疑看着他。
C2 verb /bɪˈdræɡəl/

bedraggle

通过把东西拖过泥水或水使其湿，脏和乱
Meaning
to make something wet, dirty, and untidy by dragging it through mud or water
Example
The children came home bedraggled after playing in the rain.
孩子们在雨中玩耍后，湿漉漉脏兮兮地回家了。
C2 verb /ˈsʌk.əl/

suckle

哺乳
Meaning
to feed a baby or young animal with milk from the breast or udder
Example
The mother cat suckled her kittens in the basket.
母猫在篮子里哺乳她的小猫。
C2 verb /ˈædjʊˌleɪt/

adulate

过度奉承
Meaning
to praise or flatter excessively
Example
The fans adulated the actor after his performance.
粉丝们在演员的表演后赞美了他。
C2 noun /ɪˌdʒækjʊˈleɪʃən/

ejaculation

射精 / 突然的呼喊
Meaning
The action of suddenly saying something or the release of semen during sexual climax.
Example
His sudden ejaculation of joy surprised everyone in the room.
他突然的欢乐射精让房间里的每个人都感到惊讶。
C2 noun /ˌædʒʊˈreɪʃən/

adjuration

郑重请求
Meaning
a solemn urging or appeal
Example
The priest made an adjuration for peace and unity.
牧师为和平与团结做出了郑重请求。
C2 adjective /ˈtɪd.li/

Tiddley

微醉; 小或微小
Meaning
slightly drunk; small or tiny
Example
After a few drinks, he felt a bit tiddley.
喝了几杯后，他觉得有点儿tiddli。
C2 adjective /ˈkɒŋɡruənt/

congruent

全等
Meaning
in agreement or harmony; having the same shape and size in geometry
Example
Their values are congruent with the goals of the organization.
他们的价值观与组织的目标一致。
C2 adjective /ˌɪnkəˈməʊdiəs/

incommodious

不舒服的
Meaning
Uncomfortably small, cramped, or inconvenient.
Example
We had to stay in an incommodious room during the trip.
我们在旅行期间不得不住在一个不舒服的房间里。
C2 noun /ˈfaɪər.brænd/

firebrand

煽动者
Meaning
a person who is passionate about a cause, often inciting change or action
Example
The activist was a true firebrand, inspiring everyone around him to join the protest.
这位活动家是真正的煽动者，激励着周围的每个人参加抗议。
C2 adjective /ˈluːsənt/

lucent

发光的
Meaning
shining or glowing with light
Example
The lucent stars brightened the night sky.
发光的星星照亮了夜空。
C2 noun /ˌɑːrbəˈriːtəm/

arboretum

植物园
Meaning
a place where trees, shrubs, and plants are grown for scientific study or public display
Example
We visited the city’s arboretum to learn about exotic trees.
我们参观了城市的植物园，了解异国树木。
C2 noun /ˈɡraɪndstoʊn/

grindstone

磨刀石
Meaning
a thick disc of stone used for grinding, sharpening, or polishing tools
Example
The blacksmith sharpened his blade on the grindstone.
铁匠在磨刀石上磨快了他的刀片。
C2 noun /ˈtɒnʃər/

tonsure

剃发
Meaning
the practice of shaving or cutting the hair on the scalp, especially in a religious context
Example
The monk received his tonsure as part of his religious initiation.
僧侣在其宗教启蒙过程中接受了剃发。
C2 noun/adjective /rɪˈmɒnstrənt/

remonstrant

抗议者
Meaning
A person who makes a forceful protest (noun); protesting or objecting (adjective).
Example
He was a remonstrant voice in the assembly.
他是会议中的抗议声音。
C2 noun /ˈlev.ɪ.ti/

Levity

轻浮; 轻率; 缺乏尊重
Meaning
humor or frivolity, especially the treatment of a serious matter with humor or in a manner lacking due respect
Example
The levity in the courtroom was inappropriate.
法庭上的轻浮是不合适的。
C2 adjective /əˈpɒ.krɪ.fəl/

apocryphal

可疑的
Meaning
Of doubtful authenticity, though widely circulated as true.
Example
The story about him saving the village is probably apocryphal.
他救村庄的故事可能是可疑的。
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 verb /fɔːrˈdʒʌdʒ/

forejudge

预先判断
Meaning
To judge beforehand without adequate information.
Example
It is unfair to forejudge someone without knowing the facts.
在没有了解事实的情况下对某人做出判断是不公平的。
C2 noun /ˌmɪsˈruːl/

misrule

恶政
Meaning
bad or poor governance
Example
The kingdom suffered for decades under misrule.
王国在几十年里饱受恶政之苦。
C2 verb /ˈɛksplɪkeɪt/

explicate

解释
Meaning
to make an idea or principle clear by explaining it in detail
Example
The professor tried to explicate the theory of relativity for his students.
教授试图为他的学生解释相对论的理论。
C2 noun /ˌænɪmædˈvɜːʒən/

animadversion

批评
Meaning
Strong criticism or censure.
Example
The policy attracted severe animadversion from the public.
该政策遭到公众的严厉批评。
C2 noun /juːˌtɪlɪˈtɛəriənɪzəm/

utilitarianism

功利主义
Meaning
The ethical theory that actions are right if they are useful or for the benefit of the majority.
Example
Utilitarianism suggests that we should act to maximize overall happiness.
功利主义认为我们应该采取行动，以最大化整体幸福。
C2 noun /ˌdɪʃəˈbiːl/

dishabille

衣着不整
Meaning
The state of being only partly or loosely dressed; casual or careless attire.
Example
She answered the door in a state of dishabille, wearing just a robe.
她穿着睡袍以一种衣着不整的状态开了门。
C2 adjective /ˌdɛl.ɪˈtɪə.ri.əs/

deleterious

有害的
Meaning
Causing physical or mental harm or damage.
Example
Smoking has deleterious effects on health.
吸烟对健康有害。
C2 noun /pəˈtiːnə/

patina

由于年龄或使用，金属、石头或木材表面上的薄膜或光泽；也可以指一种表面外观
Meaning
a surface film or sheen on metal, stone, or wood due to age or use; also, a superficial appearance
Example
The bronze statue developed a green patina after years in the sea air.
这座青铜雕像在海风中多年后形成了绿色的铜绿。
C2 noun /ˈmuːn.biːm/

moonbeam

月光
Meaning
A ray of light from the moon.
Example
A moonbeam lit up the quiet forest clearing.
一束月光照亮了安静的森林空地。
C2 adjective /dʒɪˈdʒuːn/

jejune

幼稚 / 浅薄 / 无趣
Meaning
Naive, simplistic, and superficial; also dull or uninteresting.
Example
The professor dismissed the essay as jejune and lacking depth.
教授把这篇文章视为幼稚且缺乏深度，予以拒绝。
C2 noun /ˈpiːs ɡʊdz/

Piece-goods

布料
Meaning
textiles or fabrics sold by the yard or meter; cloth materials
Example
The tailor bought piece-goods from the wholesale market to make custom dresses.
裁缝从批发市场购买了布料来制作定制的衣服。
C2 noun /ˈwɪtɪˌsɪzəm/

witticism

机智的评论 / 笑话
Meaning
a clever or funny remark
Example
Her witticism made everyone laugh during the meeting.
她的机智评论让所有人都在会议期间笑了。
C2 adjective /əˈθɜːrst/

athirst

渴望, 渴求
Meaning
Very eager or desirous for something.
Example
The explorer was athirst for adventure.
探险家渴望冒险。
C2 adjective /ˌʌnprəˈpɪʃəs/

unpropitious

不利
Meaning
Not giving or indicating a good chance of success; unfavorable.
Example
The team began their journey under unpropitious weather conditions.
团队在不利的天气条件下开始了他们的旅程。
C2 noun /ˈsiːkənt/

secant

割线
Meaning
A straight line that intersects a curve at two or more points.
Example
In geometry, a secant cuts the circle at two distinct points.
在几何学中，割线在两个不同的点上切割圆形。
C2 noun /dɪˌsɪdəˈreɪtəm/

desideratum

必需品
Meaning
something that is desired or considered necessary
Example
For many students, financial aid is a desideratum.
对于许多学生来说，经济援助是一项必需品。
C2 verb /ˈɑːblɪˌɡeɪt/

obligate

强迫
Meaning
to bind legally or morally; to compel someone to do something
Example
The contract obligates the company to provide timely service.
合同使公司有义务提供及时服务。
C2 adjective /ˈɛrənt/

errant

迷途的
Meaning
behaving wrongly or straying from the proper course or standards
Example
The teacher disciplined the errant student.
老师惩罚了那个迷途的学生。
C2 verb /ˈbætn/

batten

固定
Meaning
To fasten or secure something tightly.
Example
They battened down the hatches before the storm.
他们在风暴之前把舱口牢牢固定。
C2 adjective /ˈtʃɛəri/

chary

谨慎
Meaning
cautious or wary about doing something
Example
She was chary of investing in the new business venture.
她对投资新业务感到谨慎。
C2 adjective /kənˈsʌmptɪv/

consumptive

消费性的
Meaning
Relating to or characterized by consumption; historically used to describe someone suffering from tuberculosis.
Example
The doctor advised against consumptive habits.
医生建议避免消费性习惯。
C2 noun /oʊf/

Oaf

笨拙、愚蠢或麻木的人
Meaning
a clumsy, stupid, or insensitive person
Example
Don't be such an oaf - handle the dishes carefully!
不要做那种笨蛋 – 小心洗碗！
C2 adjective /ˌdɪsəˈfɛktɪd/

disaffected

不满的
Meaning
Dissatisfied and rebellious, especially against authority or leadership.
Example
The reforms were introduced to calm the disaffected youth.
改革是为了平息不满的青年。
C2 adjective /ˈmɒn.teɪn/

montane

与山区地区相关的; 在山区环境中发现
Meaning
Relating to mountainous regions; found in mountain environments.
Example
Montane forests host a variety of unique species.
山区森林是独特物种的栖息地。
C2 verb /ˌkɒnvəˈlɛs/

convalesce

恢复健康，在疾病或治疗后恢复力量
Meaning
to recover health and strength after illness or medical treatment
Example
After the surgery, she spent several weeks convalescing at home.
手术后，她在家里恢复了几个星期。
C2 adjective /ˈlɪəri/

leery

怀疑的
Meaning
Cautious or wary due to suspicion or distrust.
Example
She was leery of investing in the new business.
她对投资新业务感到怀疑。
C2 noun /ˈwɪndbæɡ/

windbag

话多的人
Meaning
a person who talks too much, especially in a boring or boastful way
Example
Everyone avoided the windbag at the party because he never let anyone else speak.
大家在聚会上避免接近那个话多的人，因为他从不让别人说话。