parricide
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C2 noun /ˈpær.ɪ.saɪd/

parricide

弑亲
Meaning
The act of killing one's father, mother, or other close relative.
Example
The court tried him for parricide after the tragic incident.
法院在悲剧事件后以弑亲罪审判了他。
C1 noun ˈsɒv.rɪn.ti

sovereignty

主权
Meaning
The authority of a state to govern itself or another state; supreme power or authority.
Example
Sovereignty is essential for a nation's identity.
主权对国家的身份至关重要。
C1 noun /ɪkˌsperɪˈmɛnteɪʃən/

experimentation

实验
Meaning
The process of performing a scientific procedure to make a discovery, test a hypothesis, or demonstrate a known fact.
Example
Experimentation leads to groundbreaking products.
实验引领创新产品。
C1 adjective ləˈθɑːrdʒɪk

lethargic

昏睡
Meaning
Being inactive due to lack of physical or mental energy
Example
After a heavy meal, he felt lethargic and sleepy.
吃了丰盛的晚餐后，他感到昏睡和困倦。
C1 noun ˌeə.rəʊ.daɪˈnæm.ɪks

aerodynamics

空气动力学
Meaning
The study of the properties of moving air and the interaction between the air and solid bodies moving through it.
Example
The aerodynamics of an aircraft determines its speed and efficiency.
一架飞机的空气动力学决定了它的速度和效率。
C1 adjective /ˌʌnəbˈtruːsɪv/

unobtrusive

不引人注目
Meaning
not attracting attention; blending in without causing notice
Example
The security cameras are designed to be unobtrusive.
安全摄像头被设计成不引人注目。
C1 adjective /moʊv/

mauve

浅紫色
Meaning
a pale purple color with a grayish or bluish tinge
Example
She wore a beautiful mauve dress to the party.
她穿着一件漂亮的浅紫色连衣裙参加了聚会。
C1 noun /ˈeɪ.peks/

apex

巅峰, 顶点
Meaning
The highest point or peak of something; the top or summit.
Example
He reached the apex of his career.
他达到了自己事业的巅峰。
C2 noun /ˌɪnvəˈkeɪʃən/

invocation

祈求
Meaning
the act of calling upon a higher power for help, blessing, or inspiration
Example
The ceremony began with an invocation to the gods.
仪式以对神的祈求开始。
B2 adjective ʌnˈprɛsɪˌdɛntɪd

unprecedented

前所未有
Meaning
Never done or known before; without previous example.
Example
Unprecedented advancements in science changed human lives.
科学上的前所未有的进展改变了人类的生活。
C2 adjective /ˌdɛl.ɪˈtɪə.ri.əs/

deleterious

有害的
Meaning
Causing physical or mental harm or damage.
Example
Smoking has deleterious effects on health.
吸烟对健康有害。
C1 adjective /ˈmɔːrn.fəl/

mournful

悲伤的
Meaning
feeling, expressing, or causing sadness or grief
Example
The mournful song reminded her of lost loved ones.
悲伤的歌曲让她想起了失去的亲人。
B1 noun /ˈpeɪvmənt/

pavement

人行道
Meaning
a hard paved surface such as a road or sidewalk; the act or result of paving
Example
She walked along the pavement to reach the bus stop.
她沿着人行道走到公交车站。
C2 adjective, noun /ˈænθrəpɔɪd/

anthropoid

人猿类
Meaning
Resembling a human being in form; a primate such as apes and monkeys.
Example
The gorilla is considered an anthropoid ape.
大猩猩被认为是人猿类的猩猩。
C2 noun /ˈhæbɪtjuːd/

habitude

习惯，风俗
Meaning
a customary condition or mode of life; habitual practice
Example
He lived in a quiet habitude, avoiding the noise of the city.
他生活在一种安静的习惯中，避开城市的喧嚣。
C1 adjective ˈvɪdʒ.ɪ.lənt

vigilant

警觉
Meaning
Keeping careful watch for possible danger or difficulties; alert and watchful.
Example
The guards remained vigilant throughout the night.
警卫整晚保持警觉。
B2 verb /əˈmend/

amend

修改
Meaning
to make changes or corrections to improve something; to modify
Example
They amended the contract to include new terms.
他们修改了合同以包括新的条款。
B1 verb /ˈɒnər/

honour

荣誉
Meaning
to show respect; to keep a promise
Example
We honour our veterans for their service.
我们为退伍军人的服务表示荣誉。
C1 noun /ˈɒktɪv/

octave

Meaning
A series of eight musical notes, or the interval between one musical pitch and another with double its frequency.
Example
The singer's voice could easily reach the higher octave.
C1 adjective /ˌmʌltɪˈfæsɪtɪd/

multifaceted

多面性的
Meaning
Having many different aspects or features
Example
The multifaceted approach to the problem resulted in innovative solutions.
多面性的处理方式导致了创新的解决方案。
C1 noun /ˌɛksɛnˈtrɪsəti/

eccentricity

怪癖
Meaning
the quality of being unconventional or slightly strange
Example
His eccentricity made him both admired and misunderstood.
他的怪癖使他既受到钦佩也被误解。
A1 adjective/adverb /lɛs/

less

更少
Meaning
A smaller amount; not as much.
Example
She spends less money than her brother.
她花的钱比她哥哥少。
B2 noun/verb /skræp/

scrap

碎片 / 丢弃
Meaning
A small piece of something; to discard or get rid of something.
Example
He used a scrap of paper to jot down the number.
他用一小片纸写下了那个号码。
B2 adverb /ˈraɪtli/

Rightly

正确地; 适当地; 公正地
Meaning
correctly; properly; justly
Example
She rightly pointed out the mistakes in the report.
她正确地指出了报告中的错误。
C1 verb /ˈkɒnfɪskeɪt/

confiscate

Meaning
to take something away officially, often as a punishment
Example
The teacher confiscated the student's phone during class.
B1 adverb /ˈfɔːtʃənətli/

fortunately

幸运地
Meaning
by good luck; luckily
Example
Fortunately, no one was injured in the accident.
幸运地，事故中没有人受伤。
C1 noun /ˌbɪbliˈɒɡrəfi/

bibliography

参考书目
Meaning
a list of books, articles, or other sources used or referred to in scholarly work
Example
The report includes a detailed bibliography at the end.
报告在最后包括了详细的参考书目。
C2 noun /ˈhɒdʒ.pɒdʒ/

hodgepodge

混杂物
Meaning
A confusing mixture of different things; a jumble.
Example
The essay was a hodgepodge of unrelated ideas.
这篇文章是一些不相关的想法的混杂物。
A1 verb /ɡoʊ/

go

去
Meaning
to move or travel from one place to another
Example
I go to school every day.
我每天都去学校。
C1 adjective /dɪˈmɛntɪd/

demented

精神错乱的 / 不理智的
Meaning
behaving irrationally due to mental illness or extreme excitement
Example
He looked demented after hearing the shocking news.
他在听到令人震惊的消息后看起来像个精神错乱的人。
C1 adjective /oʊˈbiːs/

obese

肥胖
Meaning
Extremely overweight; having an excessive amount of body fat.
Example
The doctor advised the obese patient to adopt a healthier lifestyle.
医生建议肥胖的病人采取更健康的生活方式。
C2 adjective /əˈrækjələr/

oracular

神谕的
Meaning
Resembling an oracle; giving wise, mysterious, or prophetic statements
Example
Her oracular words left the audience deep in thought.
她的神谕般的话让观众陷入了深思。
C2 noun /ˈɪrɪtənsi/

irritancy

恼怒
Meaning
the quality or state of causing irritation; legal or formal invalidation
Example
The constant noise became an irritancy to the neighbors.
持续的噪音成为邻居的恼怒源。
C2 noun /ˌpoʊpʊˈriː/

potpourri

干花混合物
Meaning
a mixture of dried flowers and spices kept in a bowl to perfume a room; a miscellaneous collection
Example
The living room was filled with the scent of potpourri.
客厅里充满了波普瑞的香气。
A1 noun /wiːk/

week

星期
Meaning
a period of seven days
Example
I will finish the project by the end of the week.
我将在本周末之前完成项目。
A2 noun /ˈriː.zənz/

reasons

原因
Meaning
Causes, explanations, or justifications for an action or event.
Example
Reasons for pollution need addressing urgently.
污染的原因需要紧急处理。
B2 noun /ˌreɡ.jʊˈleɪ.ʃənz/

regulations

规定
Meaning
Rules or directives made and maintained by an authority.
Example
Strict regulations ensure fair practices.
严格的规定确保公平的做法。
C1 verb /ˈɡɑːbəl/

gobble

狼吞虎咽
Meaning
to eat something quickly and greedily
Example
The children gobbled their food in minutes.
孩子们在几分钟内狼吞虎咽地吃完了他们的食物。
C1 noun/verb /rɪˈpriːv/

reprieve

Meaning
A temporary relief or delay from something unpleasant; to postpone or cancel punishment.
Example
The prisoner was granted a last-minute reprieve from execution.
C2 adjective /əbˈsiːkwɪəs/

obsequious

奉承
Meaning
Excessively obedient or attentive in a servile way.
Example
The waiter gave an obsequious bow to every customer.
服务员对每个顾客鞠了一躬。
C1 noun /sɪˈkriː.ʃən/

Secretion

分泌
Meaning
a process by which substances are produced and discharged from a cell or gland
Example
Insulin secretion is crucial for blood sugar regulation.
胰岛素分泌对血糖的调节至关重要。
B2 noun /rɪˈfɔːr.mər/

Reformer

改革者
Meaning
a person who works to bring about positive changes in society or institutions
Example
The social reformer dedicated her life to improving education for all children.
社会改革者致力于改善所有儿童的教育。
C2 noun /ˈpæntəˌskoʊp/

pantoscope

提供广泛或全景视图的光学仪器
Meaning
An optical instrument that provides a wide or panoramic view.
Example
The scientist used a pantoscope to observe the entire horizon.
科学家使用全景镜观察整个地平线。
B2 noun /ˈkjuː.bɪ.kəl/

cubicle

办公隔间
Meaning
A small partitioned-off area of a room, typically in an office.
Example
She works in a cubicle with three other colleagues.
她和另外三位同事在一个办公隔间里工作。
B2 noun /ˌbɛnɪˈfɪʃəri/

beneficiary

受益人
Meaning
a person who receives something, especially money or property, from a will or insurance policy
Example
She is the sole beneficiary of her father’s estate.
她是她父亲遗产的唯一受益人。
C1 adjective /ˈɜːr.nɪst/

Earnest

真诚的; 诚恳的; 表现出深刻和认真的信念
Meaning
sincere; genuine; showing deep and serious conviction
Example
He made an earnest attempt to solve the problem.
他做出了一个认真尝试去解决这个问题。
C2 verb /rɪˈspaɪər/

respire

呼吸
Meaning
To breathe in and out; to inhale and exhale.
Example
Plants also respire to release energy.
植物也呼吸以释放能量。
B2 noun/verb /dræft/

draft

草稿
Meaning
A preliminary version of a piece of writing; to prepare a preliminary version of a document.
Example
She finished the first draft of her novel.
她完成了小说的第一份草稿。
C1 verb /ˈhæɡəl/

haggle

讨价还价
Meaning
to argue about the price; to bargain persistently
Example
They haggled over the price for an hour.
他们为价格讨价还价了一个小时。
C1 adjective /ˈɪnsjələr/

insular

狭隘的，岛屿相关的
Meaning
Narrow-minded, isolated, or relating to an island.
Example
The community was criticized for its insular attitudes toward outsiders.
该社区因其对外来者的封闭态度而受到批评。
B2 noun /ˈpɪm.pəl/

Pimple

痘痘
Meaning
a small, inflamed elevation of the skin; a spot on the skin, especially on the face
Example
She was embarrassed about the pimple on her forehead.
她因额头上的痘痘而感到尴尬。
B1 adjective /ˈsæt.ɪs.fæk.tər.i/

Satisfactory

令人满意的
Meaning
acceptable; meeting requirements; adequate
Example
The test results were satisfactory.
测试结果令人满意。
B2 noun /ˈnjuːzˌlɛtər/

newsletter

时事通讯
Meaning
a printed or electronic report containing news or information about a company or organization
Example
The company sends a weekly newsletter to its employees.
公司每周向员工发送时事通讯。
C1 adjective /ˌɪndɪˈskraɪbəbəl/

Indescribable

无法形容
Meaning
impossible to describe or express in words; beyond description
Example
The beauty of the sunset was indescribable.
夕阳的美丽是无法形容的。
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。
C1 verb /səˈlɪsɪt/

solicit

请求
Meaning
to ask for or try to obtain something from someone
Example
The charity is soliciting donations for flood victims.
慈善机构正在为洪水灾民募捐。
A1 noun /lænd/

Land

土地; 土壤
Meaning
the part of the earth's surface that is not covered by water; an area of ground, soil, or earth
Example
The farmer worked hard to cultivate his land and grow healthy crops.
农民努力耕种他的土地，种植健康的作物。
C2 noun /ˈkɔː.seər/

corsair

海盗
Meaning
a pirate, especially one operating along the Mediterranean coasts
Example
The corsair plundered ships along the coast.
海盗沿海岸掠夺船只。
A2 modal verb /ʃæl/

shall

将
Meaning
used to express the future or indicate an intention or determination
Example
I shall return before sunset.
我将在日落之前回来。
A2 conjunction /ɔːlˈðoʊ/

although

尽管
Meaning
in spite of the fact that; even though
Example
Although it was raining, they went for a walk.
尽管下雨，他们还是去散步了。
C2 noun /ˌmɛtəˈfɪzɪks/

metaphysics

形而上学
Meaning
The branch of philosophy that deals with the fundamental nature of reality, existence, and the relationship between mind and matter.
Example
She studied metaphysics to understand the principles of existence beyond physical science.
她学习形而上学，以理解超越物理科学的存在原理。
C1 noun /ˈbæləd/

ballad

叙事歌曲
Meaning
a narrative song or poem, often sentimental or romantic
Example
The singer performed a moving ballad about lost love.
歌手演唱了一首感人的失恋歌曲。
C2 noun ˈnjʊə.rəʊ ˌfiːd.bæk

neurofeedback

一种使用实时显示大脑活动来教授大脑功能自我调节的技术
Meaning
A technique that uses real-time displays of brain activity to teach self-regulation of brain function.
Example
Neurofeedback enhances cognitive performance and relaxation.
神经反馈提高了认知表现和放松。
C2 noun /daɪn/

dyne

力的单位（厘米-克-秒制）
Meaning
A unit of force in the centimeter-gram-second (cgs) system equal to 10⁻⁵ newtons.
Example
The physicist measured the force in dynes.
物理学家用代因测量力。
B1 noun /kəmˈpleɪnt/

complaint

投诉
Meaning
a statement that something is wrong or not satisfactory
Example
The manager received a complaint from a customer about poor service.
经理收到了一名客户关于糟糕服务的投诉。
C2 adjective /ɪnˈeɪliənəbl/

inalienable

不可转让
Meaning
Unable to be taken away or transferred; absolute and permanent.
Example
Freedom of speech is an inalienable right.
言论自由是一项不可转让的权利。
C1 verb /ˈlɪkwɪdeɪt/

liquidate

清算
Meaning
To sell assets in order to pay off debts; to close a business and convert assets into cash.
Example
The company decided to liquidate its assets to pay creditors.
公司决定清算其资产以支付债权人。
B2 noun /ˈspɛktrəm/

spectrum

光谱
Meaning
A range of different things, often related to colors, ideas, or classifications.
Example
The festival attracted people from across the political spectrum.
这个节日吸引了来自各个政治光谱的人们。
B2 noun /ˈlɪz.ɚd/

Lizard

蜥蜴
Meaning
a cold-blooded reptile with a long body, four legs, and a tail
Example
A small lizard ran across the garden wall.
一只小蜥蜴跑过了花园的墙壁。
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。
C1 noun /ˈpʌntʃ laɪn/

punch line

笑话的高潮
Meaning
The final part of a joke or story that makes it funny.
Example
Everyone laughed loudly at the punch line of his joke.
大家都因为他的笑话高潮而大笑。
C1 verb, adjective, noun /lɪmp/

limp

跛行 / 虚弱
Meaning
to walk with difficulty, often due to injury or weakness; lacking strength or firmness.
Example
He limped after injuring his ankle.
他在伤到脚踝后跛行。
A2 noun /veɪˈkeɪ.ʃən/

Vacation

假期
Meaning
a period of time when someone does not go to work or school but is free to do what they want, such as travel or relax
Example
I'm planning a vacation to the beach next summer.
我计划明年夏天去海滩度假。
C1 noun /jɛn/

yen

渴望
Meaning
A deep, strong desire or craving.
Example
She felt a strong yen to travel the world.
她感到强烈的渴望去环游世界。
C1 noun /ˈduːmz.deɪ/

Doomsday

世界末日; 最后的审判日
Meaning
the last day of the world's existence; a time of catastrophic destruction
Example
The preacher spoke about doomsday and the importance of preparing spiritually.
传教士谈到了世界末日和灵性准备的重要性。
C2 noun /noʊl/

Knoll

小山丘；土堆
Meaning
a small rounded hill or mound
Example
The old oak tree stood majestically on top of the grassy knoll.
那棵老橡树雄伟地站在覆盖着草的小山丘上。
B1 noun /fiː/

fee

费用
Meaning
A payment made for a service or privilege.
Example
The lawyer charged a high fee for his services.
律师为他的服务收取了高额费用。
B2 verb /reɪl/

rail

抗议
Meaning
to complain or protest strongly about something
Example
He railed against the unfair decision.
他抗议不公平的决定。
B2 noun ədˈvɑːns.mənt

advancement

进步
Meaning
The process of promoting or moving forward; development or improvement in a particular area.
Example
Technological advancement shapes the future.
技术进步塑造了未来。
C2 adjective /ˈvɪtriəs/

vitreous

玻璃状
Meaning
having a glass-like appearance or quality
Example
The mineral has a vitreous shine.
这种矿物有玻璃状的光泽。
B2 verb /əˈpoʊz/

oppose

反对
Meaning
to disagree with or resist; to act against
Example
Many citizens oppose the new tax policy.
许多公民反对新的税收政策。
C2 noun /ˈsɛkstənt/

sextant

六分仪
Meaning
a navigational instrument with a graduated arc of 60°, used to measure the angle between a celestial object and the horizon
Example
Using a sextant, the navigator fixed the ship’s position at noon.
使用六分仪，导航员在中午确定了船的位置。
C2 noun /ˌniːoʊˈlætɪn/

neo-latin

新拉丁语
Meaning
The use of Latin language for scholarly, scientific, and literary purposes after the medieval period.
Example
Many scientific names are derived from Neo-Latin.
许多科学名称来源于新拉丁语。
A1 conjunction /ɪf/

if

如果
Meaning
used to introduce a condition or supposition
Example
If it rains tomorrow, we will stay home.
如果明天下雨，我们就待在家里。
C1 adjective /pɪˈkjuːniˌɛri/

pecuniary

财务的
Meaning
relating to money or financial matters
Example
They faced pecuniary difficulties after the business failed.
在生意失败后，他们面临着财务困难。
B2 noun /ˈkloʊʒər/

closure

关闭
Meaning
the action or process of closing something, or the sense of finality or resolution.
Example
The closure of the company left many employees without jobs.
公司的关闭使许多员工失业。
B2 noun /ˈfeð.ər/

Feather

鸟羽毛
Meaning
one of the light structures that cover a bird's body
Example
The peacock has beautiful colorful feathers.
孔雀有美丽的五彩斑斓的羽毛。
C1 noun /ˈaʊtˌkraɪ/

outcry

抗议
Meaning
A strong expression of public anger or disapproval.
Example
The decision sparked an outcry among the citizens.
这个决定在市民中引发了抗议。
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。
A1 noun /flɔːr/

floor

地板
Meaning
the lower surface of a room, on which one may walk
Example
The floor was covered with a soft carpet.
地板上铺着一块柔软的地毯。
C1 adverb/noun /ˌhɪərˈæftər/

hereafter

从现在起 / 来世
Meaning
from now on; in the future; also refers to life after death.
Example
Hereafter, all reports must be submitted electronically.
从现在起，所有报告必须通过电子方式提交。
B2 verb /saɪt/

cite

引用
Meaning
to quote; to mention as an example or proof
Example
The lawyer cites relevant case law.
律师引用相关案例法。
A2 noun /ˈeɪn.dʒəl/

Angel

天使
Meaning
a spiritual being believed to act as an attendant, agent, or messenger of God
Example
She looked like an angel in her white dress.
她穿着白裙子看起来像一个天使。
A2 noun /naɪf/

Knife

刀
Meaning
a cutting instrument with a sharp blade
Example
She used a sharp knife to cut the vegetables for dinner.
她用一把锋利的刀切菜做晚餐。
B2 adjective /ˌɪntərˈmiːdiət/

intermediate

中级
Meaning
Coming between two things in time, place, or order; in the middle level or stage.
Example
She is taking an intermediate-level French course.
她正在上一个中级法语课程。
C1 adjective /ɪˈrɒtɪk/

erotic

色情的
Meaning
relating to or tending to arouse sexual desire or excitement
Example
The novel contained several erotic scenes.
这本小说包含了几个色情场景。
C1 adjective /ˈrɪvɪtɪŋ/

riveting

引人入胜
Meaning
extremely interesting; holding the complete attention
Example
The movie was so riveting that nobody looked away.
这部电影如此引人入胜，以至于没有人移开视线。
B2 adjective /ʌnˈdʒʌst/

Unjust

不公正的; 错误的
Meaning
not fair or right; morally wrong
Example
The punishment was unjust for such a minor offense.
这个惩罚对于如此轻微的罪行来说是不公正的。
B2 noun /ˌɡriːn ˈen.ə.dʒi/

green energy

绿色能源
Meaning
Energy derived from renewable sources that have minimal environmental impact.
Example
Green energy reduces environmental harm.
绿色能源减少了环境破坏。
C2 noun /skriːd/

screed

冗长而乏味的文章
Meaning
a long, tedious piece of writing or speech; also a layer of material like cement spread on a surface
Example
He delivered a long screed against corruption.
他发表了长篇的关于腐败的演讲。
B2 verb /pʌmp/

pump

抽水
Meaning
to force liquid or gas to move in a particular direction using a device
Example
They pumped water from the well into the tank.
他们把水从井里抽到水箱里。
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。
C1 adjective /ɔːˈtʌmnəl/

autumnal

秋天的
Meaning
relating to or characteristic of autumn; occurring in autumn
Example
The autumnal colors of red and gold filled the forest.
红色和金色的秋天的颜色填满了森林。
C2 verb /ˈtʃæfɪŋ/

chaffing

戏弄
Meaning
Teasing or joking in a lighthearted way.
Example
They were chaffing each other during lunch.
他们在午餐时互相开玩笑。
C1 verb diːˈsɛn.sɪ.taɪz

desensitize

脱敏
Meaning
To make someone less sensitive or reactive to something through repeated exposure.
Example
Constant exposure to violence can desensitize people.
持续的暴力暴露可能会使人们麻木。
C2 verb /bɪˈstruː/

bestrew

散布
Meaning
To scatter or cover something with objects or substances.
Example
The ground was bestrewn with autumn leaves.
地面上撒满了秋天的叶子。
A1 verb /juːz/

use

使用
Meaning
to employ something for a purpose; to take advantage of
Example
I use my computer for work and entertainment.
我用我的计算机来工作和娱乐。
C1 noun ˌhaɪ.drəˈlɒdʒ.ɪ.kəl ˈsaɪ.kəl

hydrological cycle

水文循环
Meaning
The cycle of processes by which water circulates between the earth's oceans, atmosphere, and land.
Example
The hydrological cycle ensures continuous water movement in nature.
水文循环确保自然界中水的持续流动。
C2 verb /əˈleɪ/

allay

缓解
Meaning
to reduce the intensity of fear, worry, or pain; to calm
Example
The teacher tried to allay the students’ fears before the exam.
老师在考试前试图缓解学生们的恐惧。
B2 noun /ˈliːf.lət/

Leaflet

传单; 宣传单
Meaning
a printed sheet of paper containing information or advertising and usually distributed free
Example
She handed out leaflets about the environmental campaign.
她分发了有关环保运动的传单。
C2 noun /ˈslʌɡərd/

sluggard

懒汉
Meaning
A lazy, sluggish person.
Example
The sluggard refused to get out of bed even at noon.
懒汉拒绝在中午起床。
C2 noun /juːˈkeɪs/

ukase

法令
Meaning
An authoritative decree or order, especially one issued by a sovereign or government.
Example
The czar issued a ukase restricting the freedom of the press.
沙皇发布了一项限制新闻自由的法令。
C2 noun /ˈlɪŋ.ɡoʊ/

lingo

专业术语
Meaning
Specialized or informal language used by a particular group that is often difficult for outsiders to understand.
Example
The manual was written in technical lingo that confused the new employees.
手册是用技术术语写的，让新员工感到困惑。
C1 noun ˌnæn.oʊ.tekˈnɒl.ə.dʒi

nanotechnology

纳米技术
Meaning
The branch of technology that deals with dimensions and tolerances of less than 100 nanometers.
Example
Nanotechnology is advancing medical treatments.
纳米技术正在推动医疗治疗的发展。
C1 noun /ˈkʌntrɪmən/

countryman

同胞
Meaning
a person from one's own country or rural area
Example
He was proud to meet a fellow countryman at the international conference.
他在国际会议上遇到一个同胞时感到自豪。
A2 noun /ˈɔːtəm/

autumn

秋天
Meaning
the season between summer and winter, when leaves fall from trees
Example
The trees look beautiful in autumn, with colorful leaves falling.
秋天的树木看起来很美，五彩斑斓的树叶正在掉落。
A2 noun /stɔːrm/

Storm

风暴
Meaning
a violent weather condition with strong winds, rain, thunder, and lightning
Example
The storm caused power outages across the city.
风暴导致全市断电。
C2 adjective /ˈmiː.di.əl/

medial

内侧
Meaning
Situated in or pertaining to the middle; located toward the midline of the body or structure.
Example
The medial side of the knee is more prone to injury.
膝盖的内侧更容易受伤。
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 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。
B1 verb /skrætʃ/

scratch

幸福
Meaning
to rub a surface or skin with something sharp or rough, often to relieve itching
Example
The cat scratched the door to be let in.
当她收到奖项时，她无法掩饰自己的幸福。