opalescence
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 /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 noun /drʌdʒ/

drudge

苦工
Meaning
A person made to do hard, menial, or dull work.
Example
He felt like a drudge, stuck in repetitive tasks all day.
他觉得自己像个苦工，一整天都困在重复的任务中。
C2 adjective /aɪˈtɪnərənt/

itinerant

流动的
Meaning
Traveling from place to place, especially for work or duty.
Example
The itinerant teacher moved from village to village to educate children.
这位流动的教师从一个村庄到另一个村庄，教育孩子们。
C2 verb /ˈkɔː.tə.raɪz/

cauterize

烧灼
Meaning
to burn tissue to stop bleeding or prevent infection
Example
The doctor cauterized the wound to stop the bleeding.
医生烧灼伤口以止血。
C2 noun /θroʊz/

throes

剧痛
Meaning
intense or violent pain and struggle, often at the beginning or end of something
Example
The country was in the throes of a political crisis.
该国正处于政治危机的剧痛之中。
C2 adjective /ˈlɪmpɪd/

limpid

清澈
Meaning
Clear and transparent, easily understood.
Example
The limpid water of the lake reflected the sky perfectly.
湖水清澈地反射了天空。
C2 noun /ˈluː.məˌnɛr.i/

luminary

杰出人物
Meaning
A person who inspires or influences others, especially in a particular field.
Example
He is considered a luminary in the world of science.
他被认为是科学界的杰出人物。
C2 noun /kəmˈpleɪsəns/

complaisance

讨好
Meaning
willingness to please others; courteous compliance
Example
Her complaisance made her popular among her colleagues.
她的讨好让她在同事中变得很受欢迎。
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 noun /ˈstrætədʒəm/

stratagem

计策
Meaning
a plan or scheme designed to achieve a particular goal, often by trickery
Example
The general devised a clever stratagem to outwit the enemy.
将军设计了一个巧妙的计策来智胜敌人。
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 noun /ænˈtɪpədiːz/

antipodes

Meaning
places on opposite sides of the Earth; also refers to things that are direct opposites
Example
Australia and Britain are often considered antipodes of each other.
C2 noun /aɪər/

ire

愤怒, 激怒
Meaning
intense anger or rage
Example
The new policy provoked the ire of the employees.
新政策激怒了员工。
C2 noun /ˈkælvɪnɪzəm/

calvinism

卡尔文主义
Meaning
A Protestant theological system based on John Calvin’s teachings, emphasizing predestination and the sovereignty of God.
Example
Calvinism played a major role in shaping Protestant theology.
加尔文主义在塑造新教神学中发挥了重要作用。
C2 noun /ˈmæləprɒˌpɪzəm/

malapropism

误用词汇
Meaning
the mistaken use of a word in place of a similar-sounding one, often with amusing effect
Example
He is famous for his malapropism when speaking in public.
他因在公众演讲时的误用词汇而闻名。
C2 noun /ˌhoʊmə.dʒəˈniːəti/

homogeneity

Meaning
The quality or state of being all the same or all of the same kind.
Example
The cultural homogeneity of the village made it feel unified.
C2 adjective /ˈbrɪndl̩d/

brindled

斑驳
Meaning
Having a brownish or tawny color with streaks or spots of another color.
Example
The farmer owned a brindled cow with distinctive stripes.
农民拥有一头带有显著条纹的斑驳奶牛。
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 noun /ˈʃaɪstər/

shyster

骗子
Meaning
a person, especially a lawyer, who uses unscrupulous or dishonest methods
Example
The businessman was exposed as a shyster who cheated clients.
这位商人被曝光为一个骗子，他欺骗了客户。
C2 noun /əˈmʊr/

amour

秘密的爱
Meaning
A secret or illicit love affair.
Example
The novel tells the story of a forbidden amour between two characters.
这本小说讲述了两个人物之间的禁忌爱情故事。
C2 adjective /ˈfiːbraɪl/

febrile

发烧的，激动的
Meaning
having or showing the symptoms of a fever; or highly excitable or agitated
Example
The patient was in a febrile state with high temperature.
患者处于高温状态下的发烧状态。
C2 noun /ˈɑːrbɪtər/

arbiter

仲裁者
Meaning
a person who has the authority to settle a dispute or decide an issue
Example
The principal acted as the arbiter in the conflict between the students.
校长在学生之间的冲突中充当了仲裁者。
C2 noun /sɪˈnɛrəsɪs/

syneresis

协同作用
Meaning
The contraction of two adjacent vowels into a single syllable or the separation of liquid from a gel.
Example
The yogurt showed syneresis when liquid separated on top.
当液体在上面分离时，酸奶表现出协同作用。
C2 noun /breɪ/

brae

山坡
Meaning
A hillside or slope, especially in Scotland.
Example
They climbed up the grassy brae to see the sunset.
他们爬上了长满草的山坡去看日落。
C2 adjective /ˈpɑːrləs/

parlous

危险的
Meaning
Full of danger or risk; precarious.
Example
The company is in a parlous financial state.
公司处于一个危险的财政状态。
C2 verb /əˈvaʊtʃ/

avouch

确认
Meaning
to affirm or assert something as true
Example
He avouched his innocence before the judge.
他在法官面前确认了自己的清白。
C2 noun /ˈklæŋər/

clangor

响声，轰鸣
Meaning
A loud, resonant, and continuous noise, often metallic.
Example
The clangor of the church bells filled the town square.
教堂钟声的轰鸣充满了小镇的广场。
C2 verb /dɪˈsɪmjʊˌleɪt/

dissimulate

伪装
Meaning
To disguise or conceal one's true feelings or intentions.
Example
He tried to dissimulate his fear with a smile.
他试图用微笑掩饰他的恐惧。
C2 verb /rɪˈmɒnstreɪt/

remonstrate

抗议
Meaning
To make a forceful protest or objection.
Example
Citizens remonstrated against the new tax policy.
公民们抗议新税政策。
C2 adjective /ˌpɛntəˈveɪlənt/

pentavalent

五价
Meaning
Having a valence of five, especially in chemistry.
Example
Phosphorus can exist in a pentavalent state.
磷可以以五价状态存在。
C2 noun /ˈbrɒŋkəs/

bronchus

支气管
Meaning
either of the two main branches of the trachea that lead directly into the lungs
Example
The left bronchus carries air into the left lung.
左支气管将空气输送到左肺。
C2 adjective /ˌæd.vɛnˈtɪʃ.əs/

adventitious

偶然的
Meaning
Happening by chance or accident, not planned.
Example
His success was partly due to adventitious circumstances.
他的成功部分归因于偶然的情况。
C2 noun /ˌɛpɪˈdɜːrmɪs/

epidermis

皮肤的外层
Meaning
the outer layer of cells covering the body of an organism, especially the skin
Example
The epidermis protects the body from harmful bacteria.
表皮保护身体免受有害细菌的侵害。
C2 noun /ˈkwɔːrtoʊ/

quarto

四折书
Meaning
A book size resulting from folding each printed sheet into four leaves (eight pages).
Example
The library has rare Shakespeare quartos.
图书馆里有稀有的莎士比亚四折书。
C2 verb /ˈfʌdəl/

fuddle

使困惑
Meaning
To confuse or stupefy, especially with alcohol or overwhelming information.
Example
The complicated instructions fuddled the new employees.
复杂的指令使新员工感到困惑。
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 adjective /prəˈpʌlsɪv/

propulsive

推进的
Meaning
Having the power to drive or push something forward.
Example
The propulsive force of the rocket lifted it off the ground.
火箭的推进力将它从地面抬起。
C2 noun /ˈnɛkrəˌmænsər/

necromancer

Meaning
a person who practices necromancy; a wizard or magician who claims to communicate with the dead
Example
The villagers feared the old necromancer who lived at the edge of the forest.
C2 adjective /ˈɑːrtləs/

artless

天真, 简单
Meaning
Without deception or pretentiousness; natural and simple.
Example
Her artless smile made everyone feel at ease.
她天真的微笑让每个人都感到轻松。
C2 noun /ˌmɪsədˈvɛntʃər/

misadventure

不幸的事故
Meaning
An unlucky accident, mishap, or unfortunate event.
Example
He broke his leg during a skiing misadventure.
他在滑雪时发生了一次不幸的事故，摔断了腿。
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 /ˈɛəri/

aerie

鹰巢
Meaning
A large nest of a bird of prey, especially an eagle, typically built high in a tree or on a cliff.
Example
The eagle built its aerie on the high cliff.
鹰在高悬崖上筑巢
C2 noun /lɪˈvaɪəθən/

leviathan

巨大海怪
Meaning
a huge sea monster or something very large and powerful.
Example
The ship looked like a leviathan on the horizon.
那艘船在地平线上看起来像一只巨大的海怪。
C2 verb /ˈɪməleɪt/

immolate

自焚
Meaning
To kill or sacrifice, especially by burning.
Example
The protesters threatened to immolate themselves in front of the building.
抗议者威胁要在建筑物前自焚。
C2 noun /ˈmoʊlə ˈkɑrplɪt/

Mola carplet

摩拉鱼
Meaning
a small freshwater fish of the carp family, commonly found in South Asian rivers and ponds
Example
The mola carplet is a popular small fish used in Bengali cuisine.
摩拉鱼是孟加拉菜中常用的一种受欢迎的小鱼。
C2 verb /kənˈdjuːs/

conduce

有助于
Meaning
To help bring about a particular result; to contribute to something.
Example
Regular exercise conduces to better health.
定期锻炼有助于更好的健康。
C2 adjective /ʌnˈtʃeɪst/

Unchaste

不道德的; 不纯洁的;
Meaning
not celibate; having engaged in sexual relations; lacking moral purity
Example
The conservative society considered her behavior unchaste and improper.
保守的社会认为她的行为不道德和不合适。
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 /ˌtaɪtˈfɪstɪd/

tightfisted

吝啬
Meaning
unwilling to spend money; stingy
Example
He is so tightfisted that he refuses to tip at restaurants.
他非常吝啬，甚至在餐馆里都不愿意给小费。
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 noun /ˌprɛsiˈɒsɪti/

preciosity

过度的精致
Meaning
Excessive refinement or affected elegance in language, style, or behavior.
Example
The author's preciosity made the novel difficult to read for some audiences.
作者的过度精致使得这本小说对于一些读者来说很难阅读。
C2 adjective /ˈbɪz.ən.taɪn/ or /ˈbaɪ.zənˌtiːn/

byzantine

复杂
Meaning
Extremely complicated and detailed; relating to the Byzantine Empire or its style.
Example
The new tax regulations are so byzantine that few understand them.
新的税收规定非常复杂，很少有人能理解。
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 noun /ˈnɪk.næk/

knickknack

幸福
Meaning
A small decorative object, especially in a house.
Example
The shelf was full of little knickknacks collected from their travels.
当她收到奖项时，她无法隐藏自己的幸福。
C2 verb /kəˈlʌmnieɪt/

calumniate

诽谤
Meaning
To make false and damaging statements about someone; to slander.
Example
He was furious when he realized they had calumniated his reputation.
当他意识到他们已经毁坏了他的名声时，他非常生气。
C2 noun /ˈbeɪleɪ/

Bele

贝雷鱼
Meaning
a type of freshwater fish found in South Asian rivers, known for its distinctive appearance
Example
The bele fish is commonly caught in the rivers of Bangladesh.
贝雷鱼通常在孟加拉国的河流中被捕获。
C2 noun /ˈmænˌiː.tər/

man-eater

食人者
Meaning
An animal that kills and eats humans; informally, a woman who is very assertive in relationships.
Example
The tiger became a notorious man-eater in the village.
老虎在村子里成了臭名昭著的人吃人。
C2 noun ˈtræn.zi.əns

transience

短暂性
Meaning
The state or fact of lasting only for a short time; impermanence.
Example
The transience of youth makes it more precious.
青春的短暂性让它更珍贵。
C2 verb /ˈæntɪkweɪt/

antiquate

过时
Meaning
To make something old-fashioned or obsolete.
Example
The rise of digital cameras antiquated traditional film photography.
数字相机的崛起使传统胶片摄影过时。
C2 verb /diːˈmæɡnɪtaɪz/

demagnetize

去磁
Meaning
To remove or reduce the magnetic properties of something.
Example
The technician demagnetized the old cassette tape.
技术员去掉了老磁带的磁性。
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 /niːˈɒkrəsi/

neocracy

由无经验或新官员领导的政府
Meaning
A government or leadership run by inexperienced or new officials.
Example
The sudden revolution led to a neocracy with inexperienced leaders.
突如其来的革命导致了一个新政府，由经验不足的领导人执政。
C2 noun /ˌmɒnəˈmeɪniə/

monomania

Meaning
Excessive concentration or obsession with a single subject or idea.
Example
His monomania for collecting stamps worried his family.
C2 adjective /ˈlaɪbələs/

libelous

诽谤的
Meaning
containing or constituting a false published statement that damages a person's reputation
Example
The article was found to be libelous and had to be retracted.
该文章被认为是诽谤的，必须撤回。
C2 adjective /ˈɛksplɪkəbəl/

explicable

可解释的
Meaning
able to be explained or understood
Example
His sudden anger was explicable given the stressful situation.
他的突然愤怒是可以解释的，考虑到紧张的情况。
C2 verb /deɪn/

deign

不屑做某事
Meaning
to do something considered beneath one's dignity
Example
The king did not deign to reply to the commoner.
国王没有屈尊回应平民。
C2 adjective /ˈhed.i/

Heady

令人陶醉
Meaning
having a strong or exhilarating effect; intoxicating; exciting
Example
The heady perfume of jasmine filled the garden.
茉莉花的迷人香气充满了花园。
C2 adjective /ˈkoʊməˌtoʊs/

comatose

昏迷的
Meaning
In a state of deep unconsciousness, resembling or related to coma.
Example
The comatose patient was kept under constant observation.
昏迷的病人被持续观察。
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 adjective /ˈkreɪvən/

craven

懦夫
Meaning
cowardly; lacking courage
Example
He was too craven to stand up for his beliefs.
他太懦弱，无法捍卫自己的信念。
C2 noun /ˈlæsɪtjuːd/

lassitude

疲劳
Meaning
a state of physical or mental weariness; lack of energy
Example
After the long hike, a feeling of lassitude swept over the group.
长时间徒步后，疲劳感笼罩了整个团队。
C2 noun /ˈvɪtrioʊl/

vitriol

尖刻的批评
Meaning
harsh and bitter criticism
Example
The politician faced vitriol from the public.
政治家遭受了公众的尖刻批评。
C2 noun /ˈtæksɪˌdɜːrmi/

taxidermy

标本制作
Meaning
The art of preparing, stuffing, and mounting the skins of animals for display.
Example
The museum had a large collection of taxidermy animals.
博物馆里有一大批动物标本。
C2 adjective /ɪnˈdɛkərəs/

indecorous

不得体
Meaning
Not in keeping with good taste and propriety; improper.
Example
His indecorous behavior shocked the audience.
他的不得体行为让观众震惊。
C2 verb /kənˈdʒɔɪn/

conjoin

联合
Meaning
to join together or unite; to combine
Example
The two rivers conjoin just before reaching the sea.
两条河流在到达大海之前汇合。
C2 noun /ˈvɛstmənt/

vestment

宗教服饰
Meaning
a garment, especially a ceremonial or official robe worn during religious services
Example
The priest wore a golden vestment during the ceremony.
神父在仪式中穿着金色的圣袍。
C2 verb /kənˈdʒiːl/

congeal

凝固
Meaning
to become thick or solid, especially from cooling
Example
The soup began to congeal after being left on the table.
汤开始在桌子上放置后变稠。
C2 noun /ˈprɑːflɪɡəsi/

profligacy

挥霍
Meaning
reckless wastefulness or extravagance
Example
His profligacy with money led him to bankruptcy.
他的挥霍导致了破产。
C2 verb /ˈjuːləˌdʒaɪz/

eulogize

颂扬
Meaning
To praise highly in speech or writing, especially in honor of someone who has died.
Example
They gathered to eulogize their beloved teacher.
他们聚集在一起，悼念他们亲爱的老师。
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 /ˌdɪskwɪˈzɪʃən/

disquisition

论文
Meaning
A long or elaborate discussion or written essay on a particular subject.
Example
The professor gave a lengthy disquisition on ancient philosophy.
教授就古代哲学进行了长篇论文。
C2 noun /ˈmæk.rəˌkɒz.əm/

macrocosm

宇宙宏观
Meaning
The whole universe considered as a large, complex system; a large-scale representation of something.
Example
The macrocosm of the universe reflects the microcosm of human life.
宇宙的宏观反映了人类生活的微观。
C2 noun /tɪlθ/

tilth

土壤状况（适合种植作物）
Meaning
The physical condition of soil in relation to its suitability for planting crops.
Example
The farmer checked the soil's tilth before planting the seeds.
农民在种植种子之前检查了土壤的tilth。
C2 adjective /njuːˈtoʊniən/

newtonian

与牛顿定律相关
Meaning
relating to the laws of motion and gravitation formulated by Sir Isaac Newton
Example
The scientist explained the Newtonian laws of motion.
科学家解释了牛顿的运动定律。
C2 noun /ˈæmjʊlət/

Amulet

护身符; 护符
Meaning
an ornament or small piece of jewelry thought to give protection against evil, danger, or disease
Example
She wore a silver amulet around her neck for good luck.
她戴着一条银色的护身符在脖子上祈求好运。
C2 verb /ɪmˈpjuːt/

impute

归因于
Meaning
to attribute a fault or responsibility to someone
Example
They imputed the company's success to good leadership.
他们将公司的成功归功于出色的领导力。
C2 verb /tæmp/

tamp

压实
Meaning
to press down tightly by packing
Example
He tamped the soil around the plant to secure it.
他将植物周围的土壤压实以固定它。
C2 noun /ˈtɜːrməɡənt/

termagant

专横且脾气暴躁的女性
Meaning
A harsh-tempered or overbearing woman.
Example
The character was portrayed as a loud and domineering termagant.
这个角色被描绘成一个大声且专横的特尔玛甘特女性。
C2 adjective /ˈnɛtlˌsʌm/

nettlesome

令人烦恼的
Meaning
Causing irritation, annoyance, or difficulty.
Example
The nettlesome rules frustrated the workers.
令人烦恼的规则让工人们感到沮丧。
C2 verb /ˌoʊvərˈliːp/

overleap

跳过
Meaning
To jump over something; to omit or disregard something.
Example
He managed to overleap the fence easily.
他轻松地越过了栅栏。
C2 adjective /nɪˈfɛəriəs/

nefarious

邪恶的，犯罪的，或道德上糟糕的
Meaning
Wicked, criminal, or morally bad.
Example
The police uncovered a nefarious plot to cheat investors.
警方揭露了一个邪恶的阴谋，试图欺骗投资者。
C2 noun /ˌnɒvəˈlɛt/

novellette

短篇小说
Meaning
A short novel or long short story.
Example
The author published a novellette as a preview of her upcoming series.
作者作为她即将发布的系列的预览，发布了一个短篇小说。
C2 verb /ˈmɒrəlaɪz/

moralize

道德化
Meaning
To comment on issues of right and wrong, often with an air of superiority.
Example
He tends to moralize about other people's choices.
他倾向于对别人做出的选择进行道德化评论。
C2 verb /sʌbˈtɛnd/

subtend

形成角度
Meaning
To extend across or form an angle at a particular point, often used in geometry.
Example
The arc subtends a 60-degree angle at the center of the circle.
弧线在圆心处形成60度角。
C2 verb /ˈɪntərˌdɪkt/

interdict

禁止
Meaning
to prohibit or forbid something by authoritative order, often by law or decree
Example
The court moved to interdict the sale of the illegal goods.
法院决定禁止销售非法商品。
C2 noun /əbˈstrʌkʃənɪst/

obstructionist

Meaning
a person who deliberately delays or prevents progress by being uncooperative or oppositional
Example
The obstructionist in the committee kept delaying the decision-making process.
C2 noun /ˈtuːb.roʊz/

Tube-rose

夜来香
Meaning
a night-blooming flower with an intensely sweet fragrance, native to Mexico
Example
The tuberose flowers filled the evening air with their heavenly scent.
夜来香的花朵充满了夜晚空气中的天国香气。
C2 noun /kəˈnaɪ.vəns/

connivance

默许
Meaning
the act of secretly allowing or being involved in wrongdoing
Example
The theft happened with the connivance of the security guard.
盗窃发生在保安的默许下。
C2 noun /kɪθ/

kith

亲友
Meaning
Friends, acquaintances, and relations.
Example
He invited all his kith and kin to the wedding.
他邀请了所有的亲友参加婚礼。
C2 noun /ˈʃʊərəti/

surety

担保人
Meaning
a person who takes responsibility for another's performance of an undertaking, such as appearing in court or paying a debt
Example
The landlord required a surety before renting the apartment.
房东在出租公寓之前要求提供保证人。
C2 adjective /dæŋk/

dank

潮湿且寒冷
Meaning
unpleasantly damp and cold
Example
The basement was dark and dank, filled with a musty smell.
地下室又黑又潮湿，弥漫着一股霉味。
C2 verb /ˌmɛtəˈmɔrfoʊz/

metamorphose

变形
Meaning
To change in form, structure, or substance; to transform completely.
Example
The caterpillar metamorphosed into a butterfly.
毛毛虫变形成蝴蝶。
C2 noun /ˈɛkwɪpɔɪz/

equipoise

平衡
Meaning
A state of balance or equilibrium.
Example
Her calmness created an equipoise in the heated debate.
她的冷静在激烈的辩论中创造了平衡。
C2 noun /ˈʃæd.ək/

Shaddock

柚子
Meaning
a large citrus fruit similar to grapefruit; pomelo
Example
The shaddock is the largest citrus fruit in the world.
沙多克是世界上最大的柑橘类水果。
C2 adjective /hərˈmɛtɪk/

hermetic

密封的
Meaning
Completely sealed, especially so that no air can enter or escape.
Example
The medicine was kept in a hermetic container.
药物被保存在一个密封的容器中。
C2 verb /ˈɛnərˌveɪt/

enervate

使虚弱
Meaning
To weaken or drain someone of strength or vitality.
Example
The long hours of work enervated him.
长期的工作使他感到虚弱。
C2 noun /ˈkæbəˌlɪzəm/

cabalism

卡巴利主义
Meaning
The doctrines, practices, or secretive dealings of a cabal.
Example
The historian wrote extensively about cabalism in the royal court.
历史学家在王室宫廷中广泛写作关于卡巴利主义的内容。
C2 noun /ˈbriːtʃɪz/

Breeckes

膝盖长度裤子
Meaning
knee-length trousers; short pants
Example
He wore riding breeches for the equestrian event.
他为马术比赛穿了膝盖长度裤子。
C2 verb /prəˈpɪʃieɪt/

propitiate

安抚
Meaning
to win or regain the favor of someone by doing something that pleases them
Example
He offered gifts to propitiate the angry gods.
他提供礼物来安抚愤怒的神明。
C2 noun /ˈæf.ə.rɪ.zəm/

aphorism

Meaning
a short, witty saying that expresses a general truth or principle
Example
He began his speech with an aphorism about life and success.
C2 adjective /ˈmɔːrdənt/

mordant

Meaning
Having a sharp, critical, or biting quality; especially in humor.
Example
Her mordant wit often left her friends speechless.
C2 adjective /rɪˈfjuː.tə.bəl/

Refutable

可反驳的
Meaning
capable of being proven wrong or false; able to be disproved
Example
His theory was refutable because it could be tested experimentally.
他的理论是可以被反驳的，因为它可以通过实验测试。
C2 adjective /ˌɪnɪˈsɛnʃəl/

inessential

非必要的
Meaning
not necessary or important; not essential
Example
The report removes all inessential details to stay focused.
报告删除了所有非必要的细节以保持重点。
C2 noun /ˈbʊljən/

bullion

金或银的原料
Meaning
Gold or silver in bulk before being coined or made into jewelry.
Example
The bank stores gold bullion in its vaults.
银行将金条储存在它的保险库中。
C2 noun ˌbaɪ.oʊ.əˈveɪ.lə.bɪl.ə.ti

bioavailability

身体吸收能力
Meaning
The degree to which a substance can be absorbed and used by the body.
Example
Turmeric's bioavailability increases when consumed with black pepper.
姜黄的生物可利用性在与黑胡椒一起食用时增加。
C2 noun /ˈseɪ.li.əns/

salience

显著性
Meaning
The quality of being particularly noticeable or important; prominence.
Example
The salience of the issue was highlighted in the debate.
该问题的显著性在辩论中得到了强调。
C2 adjective /ˈɪl bred/

Ill-bred

无教养的
Meaning
lacking good manners; rude; showing poor upbringing
Example
His ill-bred behavior shocked everyone at the dinner party.
他的无教养行为让晚宴上的每个人都震惊。
C2 adjective /ˈhaɪdrəs/

hydrous

含水
Meaning
Containing water, especially water of crystallization.
Example
The mineral is hydrous because it contains water molecules in its structure.
这种矿物是含水的，因为它的结构中包含水分子。
C2 verb /ˈɔːreɪt/

orate

演讲
Meaning
To speak in a formal, often pompous manner
Example
He began to orate at the ceremony.
他在仪式上开始演讲。
C2 noun /kænˈtoʊnmənt/

Cantonment

军营
Meaning
a military base or permanent military station
Example
The soldiers lived in the cantonment outside the city.
士兵们住在城市外的军营里。
C2 noun /kəˈliːdʒən/

collegian

大学生
Meaning
a student of a college
Example
The collegians were preparing for the cultural festival.
大学生们正在为文化节做准备。