slough
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 verb /slʌf/ or /sluː/

slough

脱皮 / 沼泽区
Meaning
To shed or cast off (like dead skin); also a swampy or muddy area.
Example
The snake sloughed off its old skin.
蛇脱掉了它的旧皮肤。
C2 noun /ˈfriːˌθɪŋkər/

freethinker

自由思想者
Meaning
A person who forms opinions based on reason and independent thought rather than tradition or authority.
Example
Voltaire was considered a great freethinker of his time.
伏尔泰被认为是他时代伟大的自由思想家。
C2 noun /ˈdʒæɡ.ər.i/

Jaggary

甘蔗糖
Meaning
unrefined sugar made from sugarcane or palm sap; a traditional sweetener
Example
My grandmother uses jaggery instead of white sugar in her recipes.
我的祖母在她的食谱中使用甘蔗糖代替白糖。
C2 noun /hoʊ/

Hoe

锄头
Meaning
a gardening tool with a thin metal blade used for breaking up soil and removing weeds
Example
The farmer used a hoe to remove weeds from his vegetable garden.
农夫使用锄头从他的蔬菜园中移除杂草。
C2 noun /ˌæriˈviːst/

arriviste

新贵
Meaning
A person who has recently gained wealth or status but is considered arrogant or socially unsophisticated.
Example
The business world is full of ambitious arrivistes.
商业世界充满了雄心勃勃的新贵。
C2 adjective /ˌɪnɪkˈspiːdiənt/

inexpedient

不合适
Meaning
Not advisable, suitable, or practical in the circumstances.
Example
It would be inexpedient to invest without proper research.
在没有适当研究的情况下进行投资是不合适的。
C2 adjective /ˈwɪspi/

wispy

细薄而脆弱
Meaning
Thin, delicate, and weak in appearance or form.
Example
Her wispy hair blew gently in the breeze.
她那细薄的头发在微风中轻轻飘动。
C2 adjective /ˈməʊdɪʃ/

modish

时髦的
Meaning
conforming to or following current fashion or style
Example
She wore a modish outfit that caught everyone’s attention.
她穿了一件时髦的衣服，引起了所有人的注意。
C2 noun /ˌdɪsrɪˈpjuːt/

disrepute

恶名
Meaning
the state of being held in low esteem or having a bad reputation
Example
The scandal brought the politician into disrepute.
丑闻使这位政治家名声扫地。
C2 verb /ˈrævɪʃ/

ravish

迷住
Meaning
To fill with intense delight; to captivate or enchant.
Example
The beauty of the sunset ravished the travelers.
日落的美丽让旅行者陶醉。
C2 adverb /ˌɛkspəˈdɪʃəsli/

expeditiously

迅速而高效地
Meaning
in a quick and efficient manner
Example
The application was processed expeditiously.
申请被迅速而高效地处理了。
C2 adjective fɔːˈtjuː.ɪ.təs

fortuitous

偶然的
Meaning
Happening by accident or chance rather than design; lucky or fortunate.
Example
Their meeting was purely fortuitous.
他们的相遇完全是偶然的。
C2 noun /ˈɪl.i.æd/

iliad

伊利亚特
Meaning
An ancient Greek epic poem attributed to Homer, describing the events of the Trojan War.
Example
Students studied the Iliad to understand Greek mythology and heroism.
学生们学习了《伊利亚特》，以理解希腊神话和英雄主义。
C2 verb /meɪm/

maim

使残疾
Meaning
To wound or injure someone so that part of the body is permanently damaged.
Example
The accident maimed several passengers.
事故使几位乘客致残。
C2 noun /ɑːlˈfækʃən/

olfaction

嗅觉
Meaning
The sense of smell; the process of detecting and perceiving odors.
Example
Dogs have a highly developed sense of olfaction.
狗的嗅觉非常发达。
C2 verb /dɪsˈbɑːr/

disbar

正式将律师从法律职业中除名
Meaning
to officially remove a lawyer from the legal profession
Example
The corrupt lawyer was disbarred for unethical conduct.
腐败的律师因不道德行为而被除名。
C2 adjective /ˌʌnəˈʃʊəd/

unassured

不确定的
Meaning
Lacking confidence or certainty.
Example
She gave an unassured answer during the interview.
她在面试中给出了一个不确定的答案。
C2 verb /ˈvɪvɪfaɪ/

vivify

使生动
Meaning
to give life or energy to something; to animate or enliven
Example
The teacher’s enthusiasm helped vivify the boring lecture.
教师的热情帮助使乏味的讲座焕发了生机。
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 adjective /ˈmɪnsɪŋ/

mincing

做作
Meaning
affectedly delicate, dainty, or refined in manner or movement
Example
He walked with mincing steps across the stage.
他走过舞台时步伐轻盈。
C2 adjective /blaɪð/

blithe

漫不经心
Meaning
Showing a casual and cheerful indifference considered improper or carefree happiness.
Example
She had a blithe disregard for the rules.
她对规则的漠视毫不在意。
C2 noun /ˈhɛptɑːrki/

heptarchy

七国联邦
Meaning
A group of seven rulers or governments, especially the seven Anglo-Saxon kingdoms in early England.
Example
The history book described the heptarchy of Anglo-Saxon England.
历史书描述了盎格鲁撒克逊英格兰的七国联合。
C2 noun /vəˈliːɪti/

velleity

微弱的愿望
Meaning
A wish or inclination not strong enough to lead to action.
Example
His interest in painting never grew beyond a mere velleity.
他对绘画的兴趣从未超越一个微弱的愿望。
C2 adjective /ˈʃɪft.ləs/

shiftless

懒惰
Meaning
Lacking ambition or the ability to accomplish anything; lazy and unmotivated.
Example
He was seen as a shiftless young man with no goals.
他被看作是一个没有目标的懒惰年轻人。
C2 noun /ˌmæk.ɪˈneɪ.ʃən/

Machination

阴谋; 诡计;
Meaning
a clever scheme or artful plot, usually with evil intent; crafty designing or plotting
Example
The villain's machinations were finally exposed.
坏蛋的阴谋最终暴露了。
C2 verb /ˌɪntərˈlɒk/

interlock

互锁
Meaning
to fit or connect together securely so that two or more things are joined
Example
The gears interlock to ensure smooth movement of the machine.
齿轮相互啮合，确保机器的平稳运行。
C2 adjective /ˈloʊð.səm/

Loathsome

令人厌恶的
Meaning
causing hatred or disgust; repulsive
Example
The loathsome smell from the garbage made everyone leave the room.
垃圾散发出的令人厌恶的气味让每个人离开了房间。
C2 noun /dʒɔːnt/

jaunt

短途旅行
Meaning
A short journey or excursion, usually taken for pleasure.
Example
They went on a weekend jaunt to the countryside.
他们在周末去了乡村进行短途旅行。
C2 noun /ˌmɪsˈtʃæns/

mischance

Meaning
An unfortunate accident or event; bad luck.
Example
By mischance, he missed the last train home.
C2 adjective /ˌɪnfɪnɪˈtɛsɪməl/

infinitesimal

微不足道
Meaning
Extremely small in size or amount; so tiny as to be almost negligible.
Example
The error was so infinitesimal that it didn’t affect the results.
这个错误如此微不足道，以至于没有影响结果。
C2 noun /ˈɪmpjʊdəns/

impudence

无礼
Meaning
Rude and disrespectful behavior.
Example
The student's impudence shocked the entire class.
学生的无礼行为让全班震惊。
C2 verb /ʌnˈɑːrm/

unarm

解除武装
Meaning
to remove weapons from someone or to deprive of means of attack or defense
Example
The soldiers were ordered to unarm the prisoners.
士兵接到命令解除囚犯的武装。
C2 noun /ˈkuː.li/

Cooly

库利
Meaning
a laborer who does physical work for wages
Example
The cooly carried heavy bags at the railway station.
库利在火车站搬运重袋子。
C2 noun /ˌoʊpəˈlɛsəns/

opalescence

欧泊光泽
Meaning
a milky or pearly appearance of a surface like that of an opal
Example
The pearl had a gentle opalescence under the light.
珍珠在光下有一种柔和的欧泊光泽。
C2 adjective /ˈtɪtjələr/

titular

名义上的
Meaning
holding a title or position in name only without real power; relating to the title of a work
Example
She is the titular head of the committee, but decisions are made by the coordinator.
她是委员会的名义上的负责人，但决策由协调员做出。
C2 verb /poʊˈtɛnʃiˌeɪt/

potentiate

增强
Meaning
To increase the power, effect, or likelihood of something.
Example
Caffeine can potentiate the effects of some medicines.
咖啡因可以增强某些药物的效果。
C2 noun /mɛnˈdæsəti/

mendacity

虚伪
Meaning
the tendency to be untruthful; dishonesty
Example
The journalist exposed the mendacity of the officials.
记者揭露了官员的虚伪。
C2 adjective /ˌɪnkænˈdɛsənt/

incandescent

白炽的
Meaning
emitting light as a result of being heated; extremely bright or passionate
Example
The incandescent lamp lit up the entire hall.
白炽灯照亮了整个大厅。
C2 verb /rɪˈdaʊnd/

redound

贡献
Meaning
to contribute greatly to a result or consequence, usually beneficial
Example
His hard work will redound to the success of the company.
他的努力工作将对公司成功作出贡献。
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 /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 noun /ˈmɪlk pɒt/

Milk-pot

牛奶壶
Meaning
a container specifically used for storing or serving milk
Example
She poured fresh milk from the milk-pot into her glass.
她将新鲜的牛奶从牛奶壶里倒入玻璃杯中。
C2 adjective /ˌprɒvɪˈdɛnʃəl/

providential

天意的
Meaning
occurring at a favorable or opportune time, as if guided by divine intervention
Example
Their timely rescue was considered providential.
他们及时的救援被认为是天意的。
C2 noun /ɛθˈnɒlədʒi/

ethnology

民族学
Meaning
the study of the characteristics of different peoples and the differences and relationships between them
Example
She specialized in ethnology to better understand cultural diversity.
她专攻民族学，以更好地理解文化多样性。
C2 adjective /spæzˈmɒdɪk/

spasmodic

痉挛性
Meaning
occurring irregularly or in sudden bursts
Example
The patient experienced spasmodic coughing during the night.
病人在夜间经历了痉挛性咳嗽。
C2 noun /ɪˈfɛmɪnəsi/

effeminacy

女性化
Meaning
The quality of showing traits traditionally associated with women, such as delicacy or softness.
Example
In ancient times, effeminacy was often criticized as a sign of weakness.
在古代，女性化常常被批评为软弱的标志。
C2 noun ˌsɜːkəmˈspekʃən

circumspection

谨慎, 避免风险
Meaning
The quality of being wary and unwilling to take risks; prudence.
Example
His circumspection ensured no mistakes were made.
他的谨慎确保没有犯错误。
C2 adjective /ˈlɪŋɡwəl/

lingual

与舌头相关
Meaning
Relating to the tongue or speech.
Example
The dentist examined the patient's lingual surface of the teeth.
牙医检查了病人的牙齿舌面。
C2 adjective /ˈklæmərəs/

clamorous

喧闹的
Meaning
making a loud and confused noise; expressing strong demands noisily
Example
The clamorous audience demanded an encore from the band.
喧闹的观众要求乐队再来一首歌。
C2 adjective /ˈfætʃuəs/

fatuous

愚蠢
Meaning
silly or foolish, especially in a self-satisfied way
Example
His fatuous comments during the meeting annoyed everyone.
他在会议中的愚蠢评论让所有人都感到烦恼。
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 adjective /ˈdaʊ.di/

dowdy

过时的 / 旧式的
Meaning
unfashionable, dull, or shabby in appearance
Example
She wore a dowdy dress to the party.
她穿了一件过时的裙子参加聚会。
C2 noun, adjective /ˌtætərdɪˈmeɪliən/

tatterdemalion

穿破衣服的人
Meaning
A person dressed in ragged clothes; ragged or dilapidated in appearance.
Example
A tatterdemalion wandered the streets in search of food.
一个塔特德马利昂在街上游荡，寻找食物。
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 adjective /ˈfrɒlɪksəm/

Frolicsome

顽皮的; 快乐的; 活泼的
Meaning
joyful; playful; merry; cheerful
Example
The frolicsome children laughed and played in the park.
顽皮的孩子们在公园里笑着玩耍。
C2 noun /dɪˈsɛmbələr/

dissembler

伪君子
Meaning
a person who conceals their real feelings or intentions; a hypocrite or pretender
Example
The politician was accused of being a dissembler who never revealed his true plans.
那位政治家被指控是一个从不透露自己真实计划的伪君子。
C2 adjective/noun /ˌhaɪərəˈɡlɪfɪk/

hieroglyphic

象形文字的
Meaning
Relating to or written in hieroglyphs; symbols or writing that is difficult to understand.
Example
The archaeologists studied the hieroglyphic inscriptions carefully.
考古学家仔细研究了象形文字铭文。
C2 noun /ˈklæpər/

clapper

钟内的金属部件，敲击钟体发出声音
Meaning
The free-swinging metal piece inside a bell that strikes it to produce sound.
Example
The clapper inside the bell was broken.
钟内的金属部件坏了。
C2 noun /sɪˈrɒkoʊ/

sirocco

炎热干燥的风
Meaning
A hot, dry wind blowing from North Africa across the Mediterranean to southern Europe.
Example
The sirocco made the city unbearably hot and dusty.
西罗科让这座城市变得极其炎热和尘土飞扬。
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 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 noun /ʃɪˈkeɪnəri/

chicanery

欺诈
Meaning
The use of trickery or deception to achieve a purpose.
Example
The politician was accused of chicanery to win the election.
这位政治家因利用欺诈手段赢得选举而被指控。
C2 adjective /ˈɪnˌbrɛd/

inbred

天生的
Meaning
existing naturally in a person or animal; also related to reproduction within a limited community
Example
He has an inbred sense of loyalty.
他有天生的忠诚感。
C2 adjective /ɪˈlɪmɪtəbl/

illimitable

无限
Meaning
Without limits or bounds.
Example
The universe is often described as illimitable.
宇宙常被描述为无限的。
C2 verb /djuːp/

dupe

欺骗
Meaning
To deceive or trick someone into believing or doing something.
Example
He was duped into buying a fake watch.
他被欺骗购买了一个假表。
C2 noun /ˌiː.tiˈɒ.lə.dʒi/

etiology

病因学
Meaning
the cause or origin of a disease or condition
Example
Doctors are studying the etiology of the new virus.
医生们正在研究新病毒的病因学。
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 adjective /pəˈrɛmptəri/

peremptory

专横
Meaning
Insisting on immediate attention or obedience, especially in a commanding way.
Example
The officer gave a peremptory order to evacuate the building.
官员下达了一个专横的命令，要求撤离大楼。
C2 adjective /ˈdɛndrɔɪd/

dendroid

树状的
Meaning
tree-shaped or branching like a tree
Example
The coral has a dendroid structure.
珊瑚有一个树状结构。
C2 verb /əˈfaɪəns/

affiance

订婚
Meaning
to promise or pledge marriage; to formally engage
Example
They decided to affiance after years of friendship.
多年友谊之后，他们决定订婚。
C2 verb /dɪˈskraɪ/

descry

远远看到
Meaning
to catch sight of something, especially something distant or obscure
Example
From the hilltop, they descried a small village in the distance.
从山顶上，他们看见了远处的一个小村庄。
C2 noun /waɪl/

wile

狡猾, 欺骗
Meaning
A trick or clever scheme meant to deceive or outwit someone.
Example
He used every wile to win her trust.
他用了所有的狡猾来赢得她的信任。
C2 noun /ˈdʒɪb.ɪt/

Gibbet

绞刑架
Meaning
a gallows for hanging criminals; an upright post with a projecting arm for hanging the bodies of criminals
Example
In medieval times, criminals were often executed on a gibbet as a public warning.
在中世纪，罪犯常常在绞刑架上被处决，作为公众警告。
C2 adjective /ˌækwiˈɛsənt/

acquiescent

默许的
Meaning
ready to accept something without protest, or to do what someone else wants
Example
He gave an acquiescent smile and agreed to the plan.
他露出了一个默许的微笑，同意了这个计划。
C2 verb /ˌdɪskəmˈpoʊz/

discompose

打乱
Meaning
To disturb the order or calmness of something or someone.
Example
The unexpected question seemed to discompose her.
出乎意料的问题似乎让她不知所措。
C2 adjective /dɪsˈdʒʌŋktɪv/

disjunctive

选择性
Meaning
Serving to separate or divide; expressing a choice between alternatives.
Example
In grammar, 'or' is a disjunctive conjunction.
在语法中，'或' 是一个选择性连词。
C2 adjective /kəmˈpleɪzənt/

complaisant

过于顺从
Meaning
willing to please others or to accept what they do or say without protest
Example
He was too complaisant to refuse their demands.
他太顺从以至于无法拒绝他们的要求。
C2 verb /əˈɡriːv/

aggrieve

使愤怒
Meaning
to cause distress or make someone feel resentful
Example
She felt aggrieved by the unfair decision.
她因不公平的决定而感到不满。
C2 adjective ˌɪm.pəˈtɜː.bə.bəl

imperturbable

沉着冷静
Meaning
Unable to be upset or excited; not easily disturbed.
Example
His imperturbable nature made him a great leader.
他沉着冷静的性格使他成为了一个伟大的领导者。
C2 adjective /ˌɛf.ɪˈkeɪ.ʃəs/

efficacious

有效的
Meaning
Successful in producing a desired or intended result; effective.
Example
The vaccine proved highly efficacious in preventing infections.
疫苗在预防感染方面证明是非常有效的。
C2 adjective /ˈnʌpʃəl/

nuptial

婚礼的
Meaning
Relating to marriage or weddings.
Example
The couple prepared for their nuptial ceremony with great joy.
这对夫妇满怀喜悦地准备他们的婚礼仪式。
C2 verb /bɪˈsiːtʃ/

beseech

恳求
Meaning
To ask someone urgently and fervently to do something; to beg.
Example
He beseeched the judge for mercy.
他恳求法官宽恕。
C2 adjective /ˌɪnfəˈlɪsɪtəs/

infelicitous

不合适的
Meaning
not suitable or well chosen; awkward or unfortunate
Example
His infelicitous remark ruined the atmosphere of the meeting.
他不合适的评论破坏了会议的氛围。
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 verb /ɪnˈtriːt/

entreat

恳求
Meaning
To ask earnestly or beg someone to do something.
Example
She entreated him to stay a little longer.
她恳求他再待一会儿。
C2 adjective /eɪˈsɛfələs/

acephalous

Meaning
having no leader or head; headless
Example
The acephalous group soon fell into disorganization.
C2 noun /lɑːrˈʒes/

largess

慷慨
Meaning
Generosity in giving gifts or money.
Example
The foundation survived thanks to the largess of wealthy donors.
这个基金会得以生存，多亏了富有捐赠者的慷慨。
C2 noun /ˌɪmprɪˈkeɪʃən/

imprecation

诅咒
Meaning
A spoken curse or expression of strong condemnation.
Example
The angry crowd hurled imprecations at the corrupt official.
愤怒的人群向腐败的官员投掷了诅咒。
C2 noun /ˈbɪvuˌæk/

bivouac

临时营地
Meaning
a temporary camp without tents or cover, usually used by soldiers or mountaineers
Example
The climbers set up a bivouac on the mountainside.
登山者在山坡上搭建了一个临时营地。
C2 noun /foʊˈtɑːmɪtri/

photometry

光测量科学
Meaning
the science of measuring visible light in terms of its perceived brightness to human eyes
Example
Photometry helps in designing efficient lighting systems.
光度测量学帮助设计高效的照明系统。
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 adjective /kəˈrɛlətɪv/

correlative

相关的
Meaning
having a mutual relationship; corresponding
Example
The increase in temperature is correlative with the melting of glaciers.
温度的升高与冰川的融化有关。
C2 verb /rɪˈkænt/

recant

撤回
Meaning
to withdraw or renounce a statement or belief formally
Example
He recanted his previous statement in court.
他在法庭上撤回了之前的陈述。
C2 noun /əˈmɛrɪkəˌnɪzəm/

americanism

Meaning
A word, phrase, or practice characteristic of American English or culture.
Example
The term 'sidewalk' is an Americanism, while 'pavement' is used in British English.
C2 noun ˌæb.əˈreɪ.ʃən

aberration

偏差, 异常, 偏离
Meaning
A departure from what is normal, usual, or expected, typically one that is unwelcome.
Example
The scientist dismissed the data as an aberration.
科学家将这些数据视为一个偏差。
C2 noun /ˈbɑːrbərɪzəm/

Barbarism

野蛮
Meaning
extreme cruelty or brutality; absence of culture and civilization
Example
The barbarism of the war crimes shocked the entire international community.
战争罪行的野蛮行为震惊了整个国际社会。
C2 adjective /tʃeɪst/

Chaste

贞洁; 纯洁
Meaning
pure and morally good; abstaining from sexual activity
Example
She lived a chaste and virtuous life.
她过着纯洁而美德的生活。
C2 noun /ˈpɪnəs/

pinnace

小船
Meaning
a small boat, often carried by a larger ship
Example
The sailors used a pinnace to reach the shore.
水手们用小船到达了岸边。
C2 adjective /ˈhɔːrtətɔːri/

hortatory

Meaning
Intended to encourage or urge to action.
Example
The manager’s hortatory words inspired the team to work harder.
C2 noun /ˈnɪn.i/

Ninny

傻瓜
Meaning
a silly or foolish person; someone who lacks common sense
Example
Don't be such a ninny, use your brain!
不要做傻瓜，动动脑子！
C2 noun /ˈhaɪərəˌɡlɪf/

hieroglyph

象形文字
Meaning
A picture or symbol used in ancient writing systems, especially Egyptian writing.
Example
The walls of the temple were covered in hieroglyphs.
寺庙的墙壁上覆盖着象形文字。
C2 noun /paɪər/

pyre

火葬堆
Meaning
A heap of combustible material, especially one used for burning a corpse as part of a funeral ceremony.
Example
The villagers built a pyre to honor the deceased.
村民们建造了一堆火葬堆，以尊重已故者。
C2 noun /ˌɔːrnɪˈθɒlədʒɪst/

ornithologist

鸟类学家
Meaning
a scientist who studies birds
Example
The ornithologist spent years studying migratory birds.
这位鸟类学家花了多年时间研究迁徙鸟类。
C2 adjective /rɪˈfræktəri/

refractory

反叛的
Meaning
Stubborn or resistant to control, authority, or treatment.
Example
The refractory child refused to follow the teacher's instructions.
这个反叛的孩子拒绝遵循老师的指示。
C2 verb /ˌpriːɔːrˈdeɪn/

preordain

预定
Meaning
To decide or determine an outcome in advance, especially by fate or divine will.
Example
They believed their meeting was preordained by destiny.
他们相信他们的相遇是命运注定的。
C2 adjective /daɪˈɜːrnəl/

diurnal

昼行性
Meaning
active during the day; occurring daily
Example
Most birds are diurnal creatures, active in daylight hours.
大多数鸟类是昼行性动物，在白天活跃。
C2 noun /ˈɑːrkeɪˌɪzəm/

archaism

古词
Meaning
a word, expression, or style of language that is no longer in everyday use
Example
The poem is full of archaisms that give it an old-fashioned flavor.
这首诗充满了古词，使其带有一种过时的味道。
C2 noun /ˈhen.ə/

Henna

海娜
Meaning
a reddish-brown dye made from the powdered leaves of a tropical shrub, used to color hair and decorate skin
Example
The bride's hands were beautifully decorated with intricate henna patterns for her wedding ceremony.
新娘的手被精美的指甲花纹装饰，用于她的婚礼仪式。
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 adjective /ˌɛl.ɪˈdʒaɪ.ək/

elegiac

哀歌的
Meaning
Expressing sorrow, often for something past; resembling an elegy.
Example
The novel ends on an elegiac note, mourning the lost era.
这本小说以哀歌的语气结束，哀悼失落的时代。
C2 noun /wɪt/

whit

极小的量
Meaning
a very small part or amount
Example
He doesn't care a whit about the outcome.
他一点也不在乎结果。
C2 verb /ˌdɛlɪˈkwɛs/

deliquesce

通过吸收空气中的水分变为液体
Meaning
to become liquid by absorbing moisture from the air
Example
The salt began to deliquesce after being left in the humid room.
盐开始在潮湿的房间里变成液体。
C2 adjective /ɪˈkwɪvəkəl/

equivocal

模棱两可
Meaning
Open to more than one interpretation; ambiguous.
Example
His equivocal answer confused everyone.
他的模棱两可回答让大家困惑。
C2 adjective /kəˈmɛnʃərət/

commensurate

相称的
Meaning
corresponding in size, degree, or extent; proportionate
Example
Salary will be commensurate with experience.
薪资将与经验相称。
C2 verb /ɛksˈhjuːm/

exhume

掘出
Meaning
to dig out something buried, especially a body from the ground
Example
The archaeologists decided to exhume the ancient remains.
考古学家决定挖掘古老的遗骸。
C2 noun /ˈreɪləri/

raillery

友好的玩笑
Meaning
good-humored teasing or joking
Example
Their friendship was full of light-hearted raillery.
他们的友谊充满了轻松的玩笑。
C2 adjective /ˈbeɪlfəl/

baleful

威胁的
Meaning
Threatening harm; menacing or expressing hatred.
Example
She gave him a baleful look after the insult.
侮辱之后，她朝他投去一个威胁的眼神。
C2 noun /ˈpɜr.kwɪ.zɪt/

Perquisite

附带福利
Meaning
an additional benefit or privilege given to an employee beyond their regular salary; a special right or advantage
Example
Company car was one of the perquisites of his executive position.
公司车是他担任该高管职位的附带福利之一。
C2 noun ˈlɪɡ.nəʊˌsæt

LignoSat

木卫星
Meaning
A wooden satellite that demonstrates the use of wood in space technology.
Example
LignoSat demonstrates the use of wood in space.
LignoSat 展示了木材在太空中的应用。
C2 verb /lɑːl/

loll

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

incapability

无能力
Meaning
lack of ability or power to do something; inability or incompetence
Example
His incapability to manage the team led to serious problems.
他管理团队的无能力导致了严重的问题。