aboveboard
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C2 adjective, adverb /əˈbʌvˌbɔːrd/

aboveboard

诚实和公开
Meaning
Open and honest; without deception or trickery.
Example
The business deal was completely aboveboard.
商业交易完全诚实和公开。
C2 noun /ˈpɛrɪstaɪl/

peristyle

由柱子环绕的走廊
Meaning
A continuous porch formed by a row of columns surrounding the perimeter of a building or courtyard.
Example
The Roman villa featured a beautiful peristyle garden.
罗马别墅里有一个美丽的圆柱廊花园。
C2 verb /ˌsɜːrkəmˈnævɪɡeɪt/

circumnavigate

环绕地球
Meaning
to travel all the way around something, especially the earth
Example
Magellan was the first to circumnavigate the globe.
麦哲伦是第一个环绕地球航行的人。
C2 verb /ˈmæsəˌreɪt/

macerate

浸泡
Meaning
to soften or break up something, especially food, by soaking in liquid
Example
The chef macerated the fruit in wine before serving.
厨师在上菜前将水果浸泡在葡萄酒中。
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 noun /əˈbluːʃən/

ablution

净身
Meaning
the act of washing oneself, often for religious purposes
Example
He performed his morning ablution before the prayer.
他在祈祷之前进行了早晨的净身。
C2 noun /ˈmɒrəlɪst/

moralist

道德主义者
Meaning
A person who teaches or promotes moral principles and values.
Example
The author was known as a strict moralist in his writings.
作者以其作品中严格的道德主义者而闻名。
C2 adjective /ˈɒfɪʃ/

offish

冷淡
Meaning
Unfriendly, distant, or reserved in manner.
Example
He seemed offish at the party and avoided most conversations.
他在派对上显得很冷淡，避开了大多数谈话。
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 /bɪˈleɪt/

belate

耽搁
Meaning
to delay or make late
Example
Heavy traffic belated our arrival at the party.
交通繁忙导致我们到达聚会时迟到。
C2 noun /ˈoʊ.vər.let/

Overlet

床垫
Meaning
a thin mattress or pad placed over a bed for additional comfort
Example
The overlet makes the bed more comfortable to sleep on.
欧弗雷特使床铺更适合睡觉。
C2 verb /ˈsʌn.dər/

sunder

分裂
Meaning
To split apart or separate, especially with force.
Example
The war sundered families and friends.
战争使家庭和朋友分裂。
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 /ˈæpəˌθɛm/

apothegm

格言, 名言
Meaning
A short, witty, and instructive saying or maxim.
Example
His speech was filled with apothegms about life and success.
他的演讲充满了关于生活和成功的格言。
C2 noun /ˈædʒ.ə.tənt/

Adjutant

阿金顿鹳
Meaning
a large water bird with long legs and neck, also known as adjutant stork
Example
The adjutant stork stood motionless in the shallow water.
那只阿金顿鹳站在浅水中不动。
C2 noun /rɪˈsɪʒən/

rescission

取消
Meaning
the cancellation or annulment of a law, contract, or agreement
Example
The rescission of the contract left both parties disappointed.
合同的取消让双方都感到失望。
C2 adjective /ˈbɪliəs/

bilious

胆汁的
Meaning
Relating to bile or an ill-tempered, irritable disposition.
Example
He became bilious after hearing the unfair criticism.
他在听到不公正的批评后变得暴躁。
C2 noun /daɪˈvɛstɪtʃər/

divestiture

资产剥离
Meaning
the action of selling off or disposing of business interests or assets
Example
The divestiture of the subsidiary was completed last year.
子公司的资产剥离于去年完成。
C2 noun /ˈmeɪlstrəm/

maelstrom

漩涡
Meaning
A powerful whirlpool in the sea or a situation of confused movement and turmoil.
Example
The ship was caught in a maelstrom of waves and wind.
船只被卷入了波浪和风的漩涡中。
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 verb /ɪnˈkæmp/

encamp

扎营
Meaning
to set up or establish a camp
Example
The soldiers encamped near the river for the night.
士兵们在河边扎营过夜。
C2 verb /ˈlaɪ.ə.naɪz/

lionize

推崇
Meaning
to treat someone as a celebrity or give a lot of public attention
Example
The press began to lionize the young scientist after his discovery.
媒体开始在他的发现之后捧场那位年轻的科学家。
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 adjective /ˌkɒn.tjʊˈmeɪ.ʃəs/

contumacious

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

bombardier

炸弹员
Meaning
a member of a bomber crew responsible for releasing bombs
Example
The bombardier released the bombs with precision.
炸弹员精确地投下了炸弹。
C2 verb /ˈprɑː.məl.ɡeɪt/

promulgate

发布
Meaning
To announce or make a law, decree, or idea officially known.
Example
The government promulgated new regulations on data privacy.
政府发布了关于数据隐私的新规定。
C2 verb /ˈflædʒəˌleɪt/

flagellate

鞭打或以惩罚或自我约束的方式鞭打自己
Meaning
to whip or flog someone, either literally or as a form of punishment or self-discipline
Example
In history, some monks would flagellate themselves as penance.
在历史上，一些僧侣会因忏悔而鞭打自己。
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 /ˈsoʊbrɪˌkeɪ/

sobriquet

绰号
Meaning
a person's nickname or descriptive name
Example
The famous leader was known by the sobriquet 'The Iron Lady'.
这位著名的领导人以‘铁娘子’的绰号为人所知。
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 /ˈspuːnərɪzəm/

spoonerism

斯普内里兹姆
Meaning
A verbal error in which the initial sounds of words are swapped to create a humorous effect.
Example
He made a spoonerism by saying 'queer old dean' instead of 'dear old queen'.
他通过说'古怪的老院长'代替'亲爱的老皇后'来做了一个斯普内里兹姆。
C2 noun /ˈsɛrəf/

seraph

六翼天使
Meaning
An angelic being associated with light and purity, often depicted as a high-ranking angel in Christian theology.
Example
The stained-glass window depicted a seraph with outstretched wings.
彩色玻璃窗描绘了一个展开翅膀的六翼天使。
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 verb /haɪˈpɒθɪkeɪt/

hypothecate

Meaning
to pledge something, such as property, as security for a debt without giving up possession of it.
Example
The company hypothecated its assets to secure the loan.
C2 adjective /pəˈrɒnɪməs/

paronymous

同源词
Meaning
Words that are derived from the same root or sound alike.
Example
The words 'effect' and 'effective' are paronymous.
‘Effect’ 和 ‘Effective’ 是同源词。
C2 noun /tɔːˈtɒlədʒi/

tautology

不必要的重复
Meaning
the unnecessary repetition of the same idea in different words
Example
The phrase 'it will happen or it won’t' is a tautology.
'它会发生，或者不会发生' 这句话就是一个套词论。
C2 noun /ˈsɪnəd/

synod

主教会议
Meaning
An assembly of the clergy in a Christian church convened to decide on issues of doctrine or administration.
Example
The synod gathered to discuss reforms in the church.
主教会议聚集在一起讨论教会的改革。
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 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 noun /ˈɑːrtɪfɪs/

artifice

诡计
Meaning
clever or cunning devices or tricks used to deceive others
Example
The politician's charm was nothing but artifice.
那位政治家的魅力不过是个诡计。
C2 verb /ˈtɪtər/

titter

轻声笑
Meaning
to laugh in a quiet, nervous, or restrained way
Example
The students began to titter when the projector froze.
学生们开始在投影仪卡住时窃笑。
C2 verb ɪmˈbaɪb

imbibe

吸收, 同化, 喝
Meaning
Absorb or assimilate ideas or knowledge. To drink or take in.
Example
He tried to imbibe the wisdom from his mentor.
他试图从他的导师那里吸收智慧。
C2 noun /ɛmˈpɔːriəm/

emporium

大型商场
Meaning
A large retail store selling a wide variety of goods.
Example
They visited the new emporium to buy furniture and home decor.
他们参观了新的emporium，购买了家具和家居装饰。
C2 noun /ˈhʌvəl/

hovel

Meaning
a small, poorly built, and dirty house
Example
The refugees lived in a makeshift hovel.
C2 noun /ˈlɪtɪɡənt/

litigant

诉讼人
Meaning
a person involved in a lawsuit
Example
The court summoned both litigants for the hearing.
法院召集了两名诉讼人参加听证会。
C2 noun /ˈkɒntrəriz/

contraries

对立的事物
Meaning
things that are completely different or opposite to each other
Example
Freedom and slavery are contraries in every sense.
自由与奴隶制在各个方面都是对立的。
C2 noun /meɪs/

mace

权杖 / 钉锤
Meaning
a ceremonial staff carried as a symbol of authority or a weapon similar to a club
Example
The guard carried a mace as a symbol of authority.
守卫携带了一根权杖作为权威的象征。
C2 noun /əˈdʌltərənt/

adulterant

掺假物质
Meaning
a substance added to something else, often food or drink, to reduce its quality or strength
Example
The laboratory found an adulterant in the milk samples.
实验室在牛奶样本中发现了掺假物质。
C2 adjective /ʌnəˈpiːzd/

unappeased

不平息的
Meaning
Not satisfied or calmed; still feeling discontent or anger
Example
Despite the apology, she remained unappeased.
尽管道歉，她仍然不平息的。
C2 noun /ˌɪntərˈrɛɡnəm/

interregnum

过渡期
Meaning
A period between rulers or governments when normal leadership is suspended.
Example
The country faced instability during the interregnum after the king’s death.
在国王去世后的过渡期，该国经历了不稳定。
C2 noun /ˌiː.kəʊ.tɒkˈsɪ.kə.lə.dʒi/

ecotoxicology

生态毒理学
Meaning
The study of the effects of chemical pollution on the environment.
Example
Ecotoxicology studies the effects of pesticides on wildlife.
生态毒理学研究农药对野生动物的影响。
C2 adjective /ˌɪntərˈniːsaɪn/

internecine

内部冲突
Meaning
Relating to conflict within a group, often causing mutual destruction.
Example
The internecine conflict weakened the organization from within.
内部冲突削弱了组织内部的力量
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 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 noun /ɪˌnʌn.siˈeɪ.ʃən/

enunciation

发音，清晰发音
Meaning
The act of saying or pronouncing words clearly and distinctly.
Example
His enunciation was clear during the presentation.
他的发音在演讲中很清晰。
C2 noun /ˈbɔːbəl/

bauble

小饰品
Meaning
A small, decorative trinket or ornament, often of little value.
Example
She wore a shiny bauble around her neck.
她脖子上戴着一个闪亮的小饰品。
C2 verb /ɪnˈdaɪt/

indite

创作
Meaning
To write or compose (literary or formal works).
Example
The poet indited a heartfelt sonnet.
诗人创作了一首真挚的十四行诗。
C2 adjective /ˈpɪrɪk/

pyrrhic

皮洛斯式胜利
Meaning
A victory won at such a great cost that it is almost equivalent to defeat.
Example
The general declared the battle a pyrrhic victory due to heavy losses.
由于巨大的损失，指挥官宣布战斗为皮洛斯式胜利。
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 verb /ˈblʌstər/

bluster

大声吹嘘
Meaning
to speak loudly in an aggressive or threatening way, often without real power
Example
The manager blustered about firing people but did nothing.
经理大声吹嘘解雇人，但什么也没做。
C2 adjective /sɪˈnæp.tɪk/

synaptic

突触的
Meaning
Related to the signal transmission process between nerve cells.
Example
Learning strengthens synaptic connections in the brain.
学习增强大脑中的突触连接。
C2 noun /ˈhɪl.sə fɪʃ/

Hilsa fish

Hilsa鱼
Meaning
a popular fish species found in South Asian rivers, especially prized in Bengali cuisine
Example
Hilsa fish is considered a delicacy in Bengali culture.
Hilsa鱼在孟加拉文化中被视为美味佳肴。
C2 noun (plural) /maɪˈnjuːʃiiː/

minutiae

琐事
Meaning
the small, precise, or trivial details of something
Example
The lawyer focused on the minutiae of the contract.
律师专注于合同的琐事。
C2 noun /ˈproʊtoʊˌmɑːrtɚ/

protomartyr

第一位殉道者
Meaning
The first martyr in a cause or religion, often referring to the first Christian martyr.
Example
St. Stephen is known as the protomartyr of Christianity.
圣斯蒂芬被称为基督教的原始殉道者。
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 adjective /ˌprɛsɪˈdɛnʃəl/

precedential

先例的
Meaning
Relating to, or serving as, a precedent; having authority as an example.
Example
The court’s decision has precedential value.
法院的判决具有先例价值。
C2 noun /ɪkˌsprəʊ.priˈeɪ.ʃən/

expropriation

征用
Meaning
The act of government taking private property, also known as confiscation, nationalization, or seizure.
Example
The land expropriation led to disputes among landowners.
土地征用导致了土地所有者之间的争议。
C2 noun /ˈdændi/

dandy

过度注重外貌和衣着的男人
Meaning
a man who gives too much attention to his appearance and clothes
Example
The young dandy spent hours grooming himself before the party.
年轻的丹迪在聚会前花了几个小时打理自己。
C2 noun ˈvaɪ.və ˈvəʊs

viva voce

口试
Meaning
An oral examination, typically for an academic qualification.
Example
Viva Voce tests communication skills.
Viva Voce 考试评估沟通技巧。
C2 adjective /ˌʌnɪmˈpiːtʃəbl/

unimpeachable

无可指摘
Meaning
Not able to be doubted, questioned, or criticized; completely trustworthy.
Example
She is known for her unimpeachable honesty.
她因其无可指摘的诚实而闻名。
C2 adjective ˌnjʊəroʊˈkɒɡnɪtɪv

neurocognitive

神经认知
Meaning
Related to brain information processing and memory power
Example
Neurocognitive functions decline due to lack of sleep.
由于缺乏睡眠，神经认知功能下降。
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 /ˈfraʊzi/

frowsy

邋遢
Meaning
Scruffy and neglected in appearance; musty or stale in smell.
Example
He wore a frowsy old jacket that smelled of damp.
他穿着一件邋遢的旧夹克，散发着潮湿的气味。
C2 noun /ˈɑːrbər/

arbor

由树木或攀缘植物组成的阴凉花园庇护所
Meaning
a shady garden shelter formed by trees, climbing plants, or latticework
Example
They rested under the arbor covered with roses.
他们在被玫瑰覆盖的阿尔博尔下休息。
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 adjective /fjuːˈnɪəriəl/

funereal

葬礼的
Meaning
having the mournful, somber character of a funeral
Example
The room was filled with a funereal silence after the announcement.
宣布后，房间里充满了葬礼般的沉默。
C2 adjective /ˈɑːbdjʊrət/

obdurate

固执
Meaning
Stubbornly refusing to change one's opinion or course of action.
Example
He remained obdurate despite everyone's pleas.
尽管大家的恳求，他依然固执。
C2 noun /muˈleθi/

Mulethi

甘草根
Meaning
licorice root, a sweet-tasting herb used in traditional medicine and cooking
Example
She prepared a herbal tea with mulethi to soothe her sore throat.
她用木莲蒂泡了一杯草药茶，以缓解喉咙痛。
C2 adjective /ˌɪrɪˈdɛsənt/

iridescent

彩虹色
Meaning
showing luminous colors that seem to change when seen from different angles
Example
She wore an iridescent dress that sparkled in the light.
她穿了一件在光线下闪闪发光的彩虹色裙子。
C2 adjective /ˈleɪ.tɪʃ/

latish

稍微晚一点
Meaning
Somewhat late; occurring or arriving later than usual but not very late.
Example
We arrived latish to the party but still caught most of the fun.
我们稍微晚一点到达了聚会，但仍然赶上了大部分的乐趣。
C2 noun əˌklaɪ.mə.tɪˈzeɪ.ʃən

acclimatization

适应
Meaning
The process of adapting to a new environment or condition.
Example
The hikers needed time for acclimatization to high altitudes.
徒步旅行者需要时间来适应高海拔。
C2 adjective /ˌdɪspjuːˈteɪʃəs/

disputatious

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

verbiage

废话
Meaning
Excessive use of words, often with little content or meaning; wordiness.
Example
The contract was filled with unnecessary legal verbiage.
合同充满了不必要的法律废话。
C2 noun /maɪˈæzmə/

miasma

恶臭空气
Meaning
An unpleasant or unhealthy smell or atmosphere.
Example
A miasma of decay hung over the abandoned house.
腐烂的气味弥漫在废弃的房子上方。
C2 noun /ˈrɛkjʊzənt/

recusant

拒抗者
Meaning
a person who refuses to submit to authority or comply with rules
Example
The recusant opposed the new law.
拒抗者反对了新法律。
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 adjective /ˈflaɪti/

flighty

不稳定
Meaning
unstable, impulsive, or easily distracted; lacking seriousness or stability
Example
She’s too flighty to stick with one job for long.
她太不稳定了，无法在一份工作上呆太长时间。
C2 noun /ˌkɒzməˈpɒlɪtənɪzəm/

cosmopolitanism

国际主义
Meaning
the ideology that all human beings belong to a single community
Example
Cosmopolitanism promotes respect and understanding across cultures.
国际主义促进不同文化之间的尊重和理解。
C2 adjective /daɪˈdæktɪk/

didactic

教学的
Meaning
Intended to teach, often with a moral lesson.
Example
The novel is not just entertaining but also didactic in nature.
这本小说不仅仅是娱乐性，还有教学性质。
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 /fɪˈlæt.əl.i/

philately

邮票收藏学
Meaning
the collection and study of postage stamps
Example
Philately is a hobby enjoyed by people of all ages.
邮票收藏学是一项各年龄段人群都喜爱的爱好。
C2 noun /ˈkloʊðiər/

clothier

服装商
Meaning
a person or company that makes, sells, or deals in clothes.
Example
The town’s clothier displayed fine suits in his shop window.
城里的服装商在他的店窗里展示了精美的西装。
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 /ˌkəʊ.əˈles.əns/

coalescence

聚合, 合并
Meaning
The process of coming together to form one mass or whole.
Example
The coalescence of different cultures creates diversity.
不同文化的结合创造了多样性。
C2 adjective /ˌæpəˈplɛktɪk/

apoplectic

愤怒的
Meaning
Extremely angry; furious.
Example
He was apoplectic when he heard about the unfair decision.
当他听到关于不公正决定的消息时，他愤怒得几乎要爆炸。
C2 noun /bleɪn/

Blain

水泡
Meaning
an inflammatory swelling or sore on the skin; a blister or pustule
Example
The doctor examined the blain on his arm.
医生检查了他手臂上的水泡。
C2 adjective /ˈsʌmp.tʃuˌɛr.i/

sumptuary

与限制个人奢侈品支出的法律或规定相关
Meaning
Relating to laws or regulations intended to limit personal spending on luxury goods.
Example
In medieval Europe, sumptuary laws restricted the wearing of expensive fabrics to the nobility.
在中世纪欧洲，奢侈品法限制了只有贵族才能穿戴昂贵的面料。
C2 noun /ˈdɒɡ roʊz/

Dog-rose

狗玫瑰
Meaning
A wild rose species with pink or white flowers and thorny stems, common in hedgerows
Example
The dog-rose bush grew wild along the countryside path.
狗玫瑰灌木在乡村小路旁野生生长。
C2 noun /əˈprəʊ.bri.əm/

opprobrium

耻辱, 侮辱
Meaning
Harsh criticism or public disgrace.
Example
The scandal brought opprobrium on the politician.
丑闻给政治家带来了耻辱。
C2 noun /ˈkedʒ.ə.riː/

Kedgeree

凯吉瑞
Meaning
a European dish of cooked rice, fish, and hard-boiled eggs, originally from India
Example
The breakfast menu featured traditional kedgeree with smoked haddock and eggs.
早餐菜单上有传统的凯吉瑞，配有烟熏鳕鱼和鸡蛋。
C2 adjective /ˈfluːviəl/

fluvial

与河流相关
Meaning
relating to or found in a river
Example
The fluvial deposits indicated the presence of an ancient river system.
河流沉积物表明了古老河流系统的存在。
C2 verb /swɪl/

swill

贪婪地喝
Meaning
to drink something greedily or in large amounts
Example
He swilled down the beer in seconds.
他几秒钟就把啤酒喝完了。
C2 adjective /ˈræfɪʃ/

raffish

不拘一格且稍微不太体面但又很有吸引力
Meaning
unconventional and slightly disreputable but attractive
Example
He had a raffish charm that made him popular in the city.
他有一种迷人的雷菲什魅力，使他在城市里非常受欢迎。
C2 adjective /ˈækwɪˌlaɪn/

aquiline

鹰嘴形的
Meaning
curved like an eagle's beak; hooked
Example
He had an aquiline nose that gave him a distinguished appearance.
他有一个鹰嘴形的鼻子，给他增添了一种卓越的外观。
C2 adverb /əˈsɪdʒuəsli/

assiduously

努力地
Meaning
with great care and persistence
Example
He worked assiduously to complete the project before the deadline.
他努力工作，以便在截止日期之前完成项目。
C2 verb /ˈwaŋɡl/

wangle

通过巧妙手段获得某物
Meaning
To achieve something by clever or sometimes dishonest persuasion or trickery.
Example
He wangled a free ticket to the concert.
他通过巧妙手段获得了免费的音乐会票。
C2 noun /ɪkˈsɪʒən/

excision

切除
Meaning
the act of cutting something out, especially by surgical removal
Example
The excision of the infected tissue prevented further complications.
切除感染的组织防止了进一步的并发症。
C2 noun /ˈtʌtʃ.stoʊn/

Touchstone

试金石; 标准
Meaning
a standard or criterion by which something is judged or recognized; a test of genuineness
Example
His honesty became the touchstone by which all other employees were measured.
他的诚实成为了所有其他员工衡量的标准。
C2 noun /prɒɡˌnɒstɪˈkeɪʃən/

prognostication

预言
Meaning
The act of foretelling or predicting future events.
Example
The astrologer's prognostication fascinated the audience.
占星师的预言吸引了观众。
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 adjective /ˈdɪfɪdənt/

diffident

Meaning
Shy or lacking confidence in one's own abilities.
Example
He was too diffident to ask a question in class.
C2 noun /ˈdɛntɪfrɪs/

dentifrice

牙膏
Meaning
a substance such as powder, paste, or liquid used to clean teeth
Example
He bought a new herbal dentifrice from the pharmacy.
他从药店买了新的草本牙膏。
C2 noun /friːz/

frieze

浮雕带
Meaning
a decorative horizontal band, often sculpted or painted, usually on a wall near the ceiling
Example
The frieze above the entrance depicts scenes from ancient mythology.
入口上方的浮雕带描绘了古代神话中的场景。
C2 noun /aɪˈdɒlətri/

idolatry

偶像崇拜
Meaning
The worship of idols or extreme admiration for someone or something.
Example
The priest condemned the idolatry practiced in the village.
牧师谴责了在村里实践的偶像崇拜。
C2 adjective /ˈdʒen.ɪ.tɪv/

genitive

所有格
Meaning
relating to or denoting a case of nouns and pronouns indicating possession
Example
In English, the genitive case is often shown with an apostrophe and 's'.
在英语中，所有格通常通过撇号和's'来表示。
C2 noun /ˌɛn.biː.esˈpiː/

nbsp

不间断空格
Meaning
a non-breaking space character in HTML used to prevent an automatic line break at its position
Example
Use   in HTML to add a space that won't break into a new line.
在HTML中使用 添加一个不会换行的空格。
C2 verb /ˈsɪmpər/

simper

傻笑或做作的笑
Meaning
to smile in a silly, self-conscious, or affected way
Example
She simpered at his compliment, clearly embarrassed.
她在他的夸奖下傻笑，显然感到尴尬。
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 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 /ˌpriːdɪˈlɛkʃən/

predilection

偏好
Meaning
A strong liking or preference for something.
Example
She has a predilection for classical music.
她有一个偏好，喜欢古典音乐。
C2 adjective /ˌɛkjʊˈmɛnɪkəl/

ecumenical

生态化宗教团结
Meaning
Promoting unity among different Christian churches or religions.
Example
The leaders gathered for an ecumenical conference to encourage dialogue.
领导们为促进对话召开了一个生态化会议。