photoelectric
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C2 adjective /ˌfoʊtoʊɪˈlɛktrɪk/

photoelectric

光电
Meaning
relating to the emission of electrons or other free carriers when light shines on a material
Example
The photoelectric effect is fundamental in solar panels.
光电效应在太阳能板中是基础。
C2 noun /ˈdʒʌŋk.tʃər/

jucture

关键时刻
Meaning
a particular point in time, especially one of great importance or crisis
Example
At this critical jucture, the company must decide whether to expand or downsize.
在这个关键时刻，公司必须决定是扩展还是裁员。
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 /dɪˈluːsəri/

delusory

虚幻的
Meaning
Based on illusion; not real.
Example
He was filled with delusory hopes of becoming famous overnight.
他充满了不切实际的希望，认为自己一夜成名。
C2 noun /ˈsɪbɪləns/

sibilance

嘶嘶声
Meaning
A hissing or hushing sound, especially in speech with 's' or 'sh'.
Example
The poet used sibilance to create a soft, hissing effect in the verse.
诗人用西比兰斯在诗句中创造了一个柔和的嘶嘶效果。
C2 noun /njʊˈrældʒə/

neuralgia

神经痛
Meaning
intense, often intermittent pain along a nerve pathway
Example
The patient suffers from neuralgia in her face.
病人面部患有神经痛。
C2 noun /ˈpaʊ.waʊ/

powwow

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

malapropos

不合时宜
Meaning
inappropriate or unsuitable; at an inconvenient or inappropriate time
Example
His comment was malapropos during the serious discussion.
在严肃的讨论中，他的评论不合时宜。
C2 noun /ˈpɜːrtnəs/

pertness

厚颜无耻
Meaning
boldness or forwardness in speech or behavior; sauciness
Example
Her pertness during the meeting surprised everyone.
她在会议中的厚颜无耻让所有人都惊讶。
C2 noun /ˌɛntəˈmɒlədʒi/

entomology

昆虫学
Meaning
The scientific study of insects.
Example
She studied entomology to understand the behavior of bees.
她学习昆虫学以了解蜜蜂的行为。
C2 adjective /ˈblaɪðsəm/

blithesome

愉快
Meaning
cheerful, carefree, and full of joy
Example
She entered the room with a blithesome smile that lifted everyone's spirits.
她带着愉快的笑容走进房间，大家的心情都变好了。
C2 noun /ˈplɛdʒɔːr/

pledgeor

担保人
Meaning
a person who gives or offers a pledge or security
Example
The bank accepted the jewelry from the pledgeor as collateral for the loan.
银行接受了担保人提供的珠宝作为贷款的担保。
C2 verb /bɪˈθɪŋk/

bethink

回想
Meaning
to cause oneself to consider or remember something
Example
He bethought himself of the promise he had made.
他想起了他曾做出的承诺。
C2 noun /tʃəˈmeɪ.li/

Chameli

茉莉花
Meaning
a variety of jasmine flower with small white fragrant petals
Example
The chameli flowers are commonly used to make garlands and perfumes.
茉莉花常用于制作花环和香水。
C2 verb /sleɪk/

slake

解渴
Meaning
To satisfy thirst or desire.
Example
She drank cold water to slake her thirst.
她喝了冷水来解渴。
C2 noun /ˈstætɪks/

statics

静力学
Meaning
The branch of mechanics dealing with bodies at rest and forces in equilibrium.
Example
She is studying statics as part of her engineering course.
她正在学习静力学，作为她工程课程的一部分。
C2 noun /ˌɡæsɪfɪˈkeɪʃən/

gasification

气化
Meaning
The process of converting solid or liquid fuel into gas.
Example
Gasification is widely used to produce fuel gas from coal.
气化广泛用于从煤炭中生产燃气。
C2 adjective /ˌɪnˌɑːpərˈtuːn/

inopportune

不合时宜的时刻
Meaning
Happening at a bad or inconvenient time.
Example
His call came at the most inopportune moment.
他的电话在最不合时宜的时刻打来。
C2 noun /ɪˈmɒdəsti/

immodesty

不谦逊
Meaning
lack of modesty or decency; behavior or attitude that is overly bold or improper
Example
The article was criticized for its tone of immodesty.
这篇文章因其不谦逊的语气而受到批评。
C2 noun /ˌhaɪdroʊdaɪˈnæmɪks/

hydrodynamics

Meaning
The branch of science concerned with the motion of fluids, especially liquids, and the forces acting on solid bodies immersed in fluids.
Example
Hydrodynamics is essential in designing efficient ship hulls.
C2 noun /ˈsaɪnɪkjʊər/

sinecure

轻松工作
Meaning
a position requiring little or no work but giving financial benefit or status
Example
He was given a sinecure at the university as a reward for his loyalty.
作为对他忠诚的奖励，他在大学获得了一个轻松的职位。
C2 noun /ˈpɛd.ən.tri/

pedantry

对小细节或规则的过度关注
Meaning
Excessive concern with minor details or rules.
Example
His pedantry made the meeting unnecessarily long.
他的偏执让会议变得不必要地漫长。
C2 adjective /ˌdɪskəmˈbɑːbjuleɪtɪd/

discombobulated

困惑
Meaning
confused and disoriented; feeling unsettled
Example
She looked discombobulated after hearing the unexpected news.
她听到那条意外的消息后，看起来很困惑。
C2 adjective /juːˈbɪkwɪtəs/

ubiquitious

无处不在
Meaning
Present, appearing, or found everywhere.
Example
Smartphones have become ubiquitous in modern society.
智能手机已经在现代社会中无处不在。
C2 noun /foʊ ˈpɑː/

faux pas

社交失误
Meaning
a social blunder or mistake in etiquette
Example
He committed a major faux pas by forgetting her birthday.
他因为忘记她的生日而犯了一个大社交失误。
C2 noun /bɒmˈbeɪ dʌk/

Bombay duck

邦贝鱼
Meaning
a type of lizardfish found in coastal waters, commonly eaten dried and salted in South Asia
Example
Bombay duck is a popular delicacy when dried and fried.
邦贝鱼干燥并油炸后是一种受欢迎的美食。
C2 noun /ˈtoʊ.di/

Toady

拍马屁者
Meaning
a person who acts obsequiously to gain favor; a sycophant
Example
He was known as a toady who always agreed with the boss.
他被认为是一个总是同意老板的阿谀奉承者。
C2 verb /dɪˈdʒɛkt/

deject

使沮丧
Meaning
to make someone feel sad, depressed, or dispirited
Example
The news of his failure seemed to deject him deeply.
他的失败消息似乎深深地让他感到沮丧。
C2 noun /ˈsɪnjuː/

sinew

肌腱
Meaning
A tendon; figuratively, the source of strength, power, or resilience.
Example
The sinews in his arms stood out as he lifted the heavy box.
当他举起沉重的箱子时，他手臂上的肌腱明显凸出。
C2 noun /ˌɑːbdʒərˈɡeɪʃən/

objurgation

严厉的斥责
Meaning
a harsh scolding or strong rebuke
Example
His misconduct earned him a severe objurgation from the manager.
他的不当行为让他受到了经理的严厉斥责。
C2 noun /rɪˌdʒuːvəˈnɛsəns/

rejuvenescence

重生
Meaning
the action or process of becoming young or fresh again
Example
The forest showed signs of rejuvenescence after the rains.
雨后森林展现出重生的迹象。
C2 adjective /ɪkˈstɛnsəbl/

extensible

可扩展的
Meaning
able to be extended; capable of expansion.
Example
The software is designed to be extensible with new features.
该软件设计为可以通过新功能扩展。
C2 adjective /trænzˈæl.paɪn/

transalpine

阿尔卑斯山以外
Meaning
situated beyond or across the Alps, especially from the viewpoint of Italy
Example
The Romans referred to France as Transalpine Gaul.
罗马人将法国称为越阿尔卑斯的高卢。
C2 noun /ˈkæθoʊd/

cathode

负极
Meaning
The negative electrode in a device such as a battery or tube, where electrons enter.
Example
The cathode emits electrons in the tube.
阴极在管中发射电子。
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 verb /ˌmɪsˈleɪ/

mislay

暂时丢失
Meaning
to lose something temporarily by putting it in the wrong place
Example
I must have mislaid my keys somewhere in the house.
我一定把我的钥匙暂时丢失在屋子里某个地方。
C2 noun /luːˈbrɪsɪti/

lubricity

滑润性
Meaning
the quality of being slippery or smooth; sometimes also refers to lewdness
Example
The lubricity of the surface made it difficult to walk on.
表面的滑润性使得行走变得困难。
C2 noun /ˈbroʊmaɪd/

bromide

陈词滥调
Meaning
A trite or unoriginal idea or remark; also a chemical compound of bromine.
Example
His speech was full of old bromides about hard work.
他的演讲充满了关于努力工作的老生常谈。
C2 noun /ˈɔːldər/

alder

榆树
Meaning
A type of tree from the birch family that typically grows in wet ground and has simple, serrated leaves.
Example
The alder trees grew thick along the riverbank.
榆树在河岸旁茂密生长。
C2 verb /bɪˈfaʊl/

befoul

污染
Meaning
to make dirty or polluted; to disgrace or corrupt
Example
The factory waste befouled the river.
工厂废物污染了河流。
C2 adjective /ˈfɪt.fəl/

fitful

间歇性
Meaning
occurring in irregular bursts; not continuous or steady
Example
He had a fitful sleep due to the storm.
由于暴风雨，他有间歇性的睡眠。
C2 verb /rɪˈsɪnd/

rescind

撤销
Meaning
to revoke, cancel, or repeal a law, order, or agreement
Example
The company decided to rescind the job offer.
公司决定撤销工作机会。
C2 adjective /ˈflɪpənt/

flippant

轻浮的
Meaning
not showing a serious or respectful attitude
Example
His flippant remarks annoyed the teacher.
他轻浮的言论惹怒了老师。
C2 noun /ˈvɪntnər/

vintner

酿酒师 / 酒商
Meaning
A person who makes or sells wine.
Example
The vintner explained the process of making red wine.
酿酒师解释了酿制红葡萄酒的过程。
C2 verb /əˈvaʊ/

avow

公开宣誓
Meaning
to openly declare or admit something, often publicly and firmly
Example
He avowed his loyalty to the cause without hesitation.
他毫不犹豫地公开宣誓忠诚于事业。
C2 adjective /ˌæntɪˈmʌndeɪn/

antemundane

世界创造之前
Meaning
Existing or occurring before the creation of the world.
Example
Some myths speak of an antemundane chaos before order was established.
一些神话讲述了在秩序建立之前的安特蒙丹混乱。
C2 noun /flæks/

flax

亚麻
Meaning
a plant whose fibers are used to make linen and whose seeds are edible
Example
Flax is often used in making linen fabrics.
亚麻常用于制作亚麻织物。
C2 adjective /ˈlæmbənt/

lambent

柔和的发光
Meaning
glowing or flickering softly; having a gentle radiance
Example
The lambent light of the candle filled the room with warmth.
蜡烛的柔和光线充满了房间的温暖。
C2 adverb /əˈθwɔːrt/

athwart

横向地, 反对
Meaning
Across or in opposition to something.
Example
A fallen tree lay athwart the road, blocking traffic.
一棵倒下的树横在路上，阻碍了交通。
C2 noun /ɪˈbʊliəns/

ebullience

热情
Meaning
the quality of being cheerful, enthusiastic, and full of energy
Example
The teacher's ebullience inspired her students.
老师的热情激励了她的学生。
C2 noun /ˈlæn.sɪt/

lancet

外科小刀
Meaning
a small, sharp, two-edged surgical knife used for making small incisions
Example
The doctor used a lancet to prick the patient’s finger for a blood test.
医生用兰塞特刺破病人的手指进行血液检测。
C2 noun /ˈsɪŋ.krə.ni/

synchrony

同步性
Meaning
Coordination in time, harmony in action or movement.
Example
Their dance performance showed perfect synchrony.
他们的舞蹈表演展示了完美的同步性。
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 dʒɛsˌtɪk.jʊˈleɪ.ʃənz

gesticulations

手势
Meaning
Expressive hand or body movements while speaking to convey thoughts or emotions
Example
His energetic gesticulations made the speech more engaging.
他的充满活力的手势使演讲更加引人入胜。
C2 adjective /kwəʊˈtɪdiən/

quotidian

日常的，普通的
Meaning
Ordinary or everyday, especially when mundane.
Example
He focused on the quotidian details of family life.
他专注于家庭生活中的日常细节。
C2 noun /ˈtaɪroʊ/

tyro

新手
Meaning
A beginner or novice in a field or activity.
Example
As a tyro in programming, she needed constant guidance.
作为编程的新手，她需要不断的指导。
C2 noun /ˈnɒn.ɪʤ/

Nonage

未成年时期
Meaning
the period of being under the legal age of majority; youth or immaturity
Example
During his nonage, all legal decisions were made by his guardian.
在他未成年时期，所有法律决定都由他的监护人作出。
C2 verb /dɪˈspɒnd/

despond

沮丧
Meaning
to lose confidence or hope; to become dejected
Example
After repeated failures, he began to despond.
在多次失败后，他开始感到沮丧。
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 /ˈɪntərˌloʊpər/

interloper

闯入者
Meaning
A person who becomes involved in a situation or place where they are not wanted.
Example
He felt like an interloper at the private family gathering.
他在私人家庭聚会中感到像一个闯入者。
C2 verb /ˈsnɪvəl/

snivel

以软弱或令人讨厌的方式哭泣或抱怨
Meaning
to cry or complain in a weak or annoying way
Example
He began to snivel when he didn’t get his way.
当他没得到他想要的东西时，他开始哭泣。
C2 adjective /ˈlɪtərəl/

littoral

沿海的
Meaning
Related to or situated on the shore of the sea or a lake.
Example
The littoral zone is home to many unique marine species.
沿海地区是许多独特海洋物种的栖息地。
C2 noun /pʌntʃ ˈfoʊrən/

Panch Phoron

五香粉
Meaning
a Bengali spice blend containing five whole spices: cumin, fennel, fenugreek, nigella, and mustard seeds
Example
The aroma filled the kitchen when she heated panch phoron in oil.
当她在油中加热五香粉时，香气充满了厨房。
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 adjective /ɪˈrɛzəluːt/

irresolute

优柔寡断
Meaning
uncertain or indecisive; lacking determination
Example
He stood irresolute at the crossroads, unsure which path to take.
他在十字路口犹豫不决，不知道走哪条路。
C2 verb /ˈvɛdʒɪteɪt/

vegetate

发呆
Meaning
to live in a dull, inactive, or unchallenging way, often with little physical or mental effort
Example
He spent his vacation vegetating on the couch in front of the TV.
他把假期都用来在沙发上看电视，什么都不做。
C2 noun /əbˈstɛtrɪks/

obstetrics

产科
Meaning
The branch of medicine dealing with childbirth and care of women giving birth.
Example
She is studying obstetrics to become a specialist in childbirth.
她正在学习产科，想成为一名分娩专家。
C2 noun /ˌeɪd də ˈkæmp/

aide-de-camp

军官，担任高级军官的机密助手
Meaning
A military officer acting as a confidential assistant to a senior officer.
Example
The general was accompanied by his aide-de-camp during the ceremony.
在仪式期间，军官与他的随行军官共同出席。
C2 verb /ˈæd.l̩/

addle

迷惑
Meaning
To confuse or muddle someone’s mind.
Example
The complicated instructions only served to addle him.
复杂的指令只会让他感到困惑。
C2 noun /ˈrɪɡməˌroʊl/

rigmarole

麻烦事
Meaning
a long, complicated, and confusing process or story
Example
Getting a visa was such a rigmarole of paperwork and interviews.
获得签证是一个繁琐的文书工作和面试过程。
C2 noun /sneɪk ɡɔːrd/

Snake gourd

蛇瓜
Meaning
a long, curved vegetable that resembles a snake, commonly used in South Asian cuisine
Example
The snake gourd grows in a twisted, serpentine shape in the garden.
蛇瓜在花园里以弯曲的蛇形生长。
C2 noun /ˈfɔːrʃɔːr/

foreshore

海滩
Meaning
The part of the shore between the high and low tide marks
Example
Children were playing on the foreshore, collecting shells.
孩子们在海岸上玩耍，捡贝壳。
C2 adjective /eɪˈsɛfələs/

acephalous

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

telemetry

遥测
Meaning
The process of recording and transmitting the readings of an instrument.
Example
The spacecraft transmitted telemetry data back to Earth.
航天器将遥测数据传回地球。
C2 verb /ˌdɪsəˈbjuːz/

disabuse

使觉醒
Meaning
To free someone from a false belief or misconception.
Example
The teacher tried to disabuse the students of their misunderstanding.
老师试图让学生摆脱他们的误解。
C2 noun /bɜːrˈlɛsk/

burlesque

滑稽模仿剧
Meaning
A humorous and exaggerated imitation of a serious work; a type of theatrical entertainment involving comedy and parody.
Example
The play was a clever burlesque of traditional opera.
这出戏是对传统歌剧的巧妙滑稽模仿。
C2 noun /ˈdoʊneɪtər/

donator

捐赠者
Meaning
A person who gives something, especially money or goods, as a donation.
Example
The donator wished to remain anonymous after contributing a large sum.
捐赠者在捐赠了一大笔钱后希望保持匿名。
C2 noun /ˈpɒliˌkreɪsi/

polycracy

多元统治
Meaning
rule by many; government by multiple authorities
Example
The nation experienced a polycracy after decentralization reforms.
该国在去中心化改革后经历了多元统治。
C2 adjective /ˈvækjuəs/

vacuous

空洞
Meaning
Having or showing a lack of thought or intelligence; mindless.
Example
She gave a vacuous smile during the serious discussion.
她在严肃的讨论中露出了空洞的笑容。
C2 noun /ˈliːdʒənəri/

legionary

罗马士兵
Meaning
a soldier in the Roman army
Example
Each legionary carried a shield and a short sword.
每个军团士兵都带着盾牌和一把短剑。
C2 verb /ˈmæk.ɪ.neɪt/

machinate

策划
Meaning
to engage in plots or schemes, usually for harmful or evil purposes
Example
The rebels tried to machinate against the king.
叛乱者试图反对国王密谋。
C2 verb /ˈhɑːbəl/

hobble

蹒跚
Meaning
to walk awkwardly with difficulty, usually due to injury
Example
He hobbled across the room after twisting his ankle.
他在扭伤脚踝后，蹒跚地走过房间。
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 adjective /dɪsˈkʌmfɪtɪŋ/

discomfiting

令人不安
Meaning
Causing unease, embarrassment, or discomfort.
Example
His discomfiting questions made everyone shift uncomfortably in their seats.
他那令人不安的问题让大家在座位上不舒服地动来动去。
C2 noun /ˈtjuːtərʃɪp/

tutorship

辅导
Meaning
The office or position of a tutor; guidance or instruction given by a tutor.
Example
He thrived under the tutorship of his mentor.
他在导师的辅导下取得了成功。
C2 noun /ˌpɛkjʊˈleɪʃən/

peculation

挪用公款
Meaning
The act of embezzling or stealing money, especially from public funds.
Example
The minister resigned after being accused of peculation.
部长在被指控参与挪用公款后辞职。
C2 adjective /ˈdʌktaɪl/

ductile

延展性强
Meaning
capable of being stretched into a thin wire without breaking; easily influenced
Example
Gold is a very ductile metal.
黄金是一种非常延展的金属。
C2 adjective /ˌɛvəˈnɛsənt/

evanescent

短暂的
Meaning
Quickly fading or disappearing; lasting for only a very short time.
Example
The beauty of the sunset was evanescent, fading within minutes.
夕阳的美丽是短暂的，在几分钟内消失了。
C2 noun /ˈlæki/

lackey

侍从
Meaning
a person who is overly willing to serve or obey someone else
Example
He treated his assistant like a mere lackey.
他把助手当作一个普通的侍从对待。
C2 verb /ˈfɛstər/

fester

恶化, 加剧
Meaning
to become worse or more intense, often through neglect or infection
Example
If grievances are ignored, they may fester into resentment.
如果不理会抱怨，它们可能会变成怨恨。
C2 noun /kəˈdævər/

cadaver

尸体
Meaning
A dead human body, especially one used for medical study.
Example
Medical students dissected the cadaver to learn about human anatomy.
医学生解剖了尸体以了解人体解剖学。
C2 noun /ˈræŋ.kər/

rancor

怨恨
Meaning
A feeling of deep and bitter anger or resentment.
Example
There was a rancor between the two rivals that never faded.
这两位对手之间有一种怨恨，永远没有消失。
C2 adjective /ˈsɪnjuːi/

sinewy

肌肉发达且强壮
Meaning
Lean and muscular; strong and tough.
Example
The athlete had a sinewy build that showed his strength.
运动员有着结实的肌肉，展示了他的力量。
C2 verb /ˈsnʌfəl/

snuffle

鼻子发出声音地呼吸
Meaning
to breathe noisily through the nose, often because of crying or a cold
Example
The child began to snuffle after crying for a long time.
孩子在哭了很久之后开始嗅鼻。
C2 adjective /ˈsmɑːrmi/

smarmy

奉承 / 虚伪的礼貌
Meaning
Excessively flattering or ingratiating, often insincerely.
Example
The salesman gave a smarmy pitch that felt fake.
销售员做了一个让人觉得虚假的奉承推销。
C2 verb /dɪˈkæmp/

decamp

逃跑
Meaning
To depart suddenly or secretly, often to avoid trouble or escape.
Example
The thief decamped before the police arrived.
小偷在警察到达之前就逃走了。
C2 noun ˈsaɪəns ˈdezət

science-desert

科学荒漠
Meaning
A region or area lacking in scientific development, research facilities, or educational institutions.
Example
J.C. Bose thrived in a science-desert.
J.C. Bose 在科学荒漠中茁壮成长。
C2 verb /kəˈvɔrt/

cavort

开心地跳跃
Meaning
to jump or dance around excitedly
Example
The children cavorted happily in the garden.
孩子们在花园里高兴地跳跃。
C2 verb /əˈreɪn/

arraign

起诉
Meaning
to formally accuse someone in a court of law and ask them to respond to the charges
Example
The suspect was arraigned before the judge this morning.
嫌疑人在今天早晨被指控出庭。
C2 adjective /dɪˈfjuːzəbl/

diffusible

可扩散的
Meaning
able to spread or be spread through a medium
Example
Oxygen is diffusible through cell membranes.
氧气可以通过细胞膜扩散。
C2 adjective /ˈkʌsɪd/

cussed

倔强
Meaning
Annoyingly stubborn or difficult.
Example
He was too cussed to admit his mistake.
他太倔强，无法承认自己的错误。
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 /ˌɪdiəˈsɪŋkrəsi/

idiosyncrasy

特徵
Meaning
A distinctive or peculiar characteristic, habit, or mannerism unique to an individual.
Example
One of her idiosyncrasies was humming while working.
她的一个偶发性特征是工作时哼歌。
C2 adjective /ˈbrækɪʃ/

brackish

咸淡水
Meaning
Slightly salty, often describing water that is a mix of fresh and seawater.
Example
The river estuary contained brackish water.
河口含有咸淡水。
C2 noun /fluːk/

fluke

侥幸
Meaning
A stroke of luck; an unexpected piece of good fortune.
Example
Winning the lottery was a complete fluke.
中彩票简直就是一次完全的侥幸。
C2 noun /kɒnˌtek.stʃu.ə.laɪˈzeɪ.ʃən/

contextualization

情境化
Meaning
The process of placing something in its proper context or setting to understand it better.
Example
Contextualization of historical events helps students understand them better.
历史事件的情境化帮助学生更好地理解它们。
C2 noun /ˈprɒvəndər/

provender

牲畜食物
Meaning
food or provisions, especially for livestock
Example
The barn was filled with provender for the cattle.
谷仓里装满了牲畜的食物。
C2 noun /ˌθɜː.məʊˈdʒen.ɪ.sɪs/

thermogenesis

热量生产过程
Meaning
The process of heat production in living organisms, often associated with burning calories and energy expenditure.
Example
Spicy foods can enhance thermogenesis and calorie burning.
辛辣食物可以增强热生热和卡路里燃烧。
C2 noun /stɛp/

steppe

草原
Meaning
A large flat area of unforested grassland, especially in southeastern Europe or Siberia.
Example
The nomads traveled across the vast steppe with their herds.
游牧民族带着他们的牲畜穿越辽阔的草原。
C2 noun /klaɪm/

clime

气候带
Meaning
A region defined by its climate.
Example
He traveled to warmer climes during the winter.
他在冬天去温暖的气候带旅行。
C2 verb /ˈɔːltərˌkeɪt/

altercate

争论
Meaning
to argue or dispute angrily or noisily
Example
The neighbors began to altercate over the boundary wall.
邻居们开始争论边界墙。
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 noun /ˈtʃɜː.nɪŋ stɪk/

Churning stick

搅拌棒
Meaning
a wooden stick used for stirring and churning butter, milk, or other liquids
Example
Grandmother used a churning stick to make fresh butter.
祖母用搅拌棒制作新鲜的黄油。
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 noun /ˈbrɪk.bæt/

Brickbat

一块砖块；严厉的批评或谴责
Meaning
a piece of brick, especially one used as a missile; harsh criticism or censure
Example
The angry protesters threw brickbats at the building windows.
愤怒的抗议者将砖块扔向建筑物的窗户。
C2 noun /ˈsɪŋkrəˌnɪzəm/

synchronism

同步
Meaning
The simultaneous occurrence of events or actions.
Example
The synchronism of the dancers' movements amazed the audience.
舞者动作的同步让观众感到惊讶。
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 adjective /ˌpriːpəˈzɛsɪŋ/

prepossessing

迷人
Meaning
Attractive or appealing in appearance or manner.
Example
She had a prepossessing smile that charmed everyone.
她有一个迷人的微笑，让每个人都着迷。
C2 adjective /ˈtjuːtɪləri/

tutelary

守护神
Meaning
Relating to or serving as a guardian or protector, often used for deities or spirits.
Example
Athena was considered the tutelary goddess of Athens.
雅典娜被认为是雅典的守护女神。
C2 adjective /dɪˈmjʊər/

demure

矜持
Meaning
reserved, modest, and shy
Example
She gave him a demure smile.
她给了他一个矜持的微笑。
C2 adjective /dɪˈmoʊniˌæk/

demoniac

恶魔般的
Meaning
possessed, produced, or influenced by a demon; frenzied or violent
Example
The soldiers fought with demoniac fury.
士兵们以恶魔般的愤怒作战。