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C1 verb /wɛt/

whet

Meaning
To sharpen the blade of a tool or to stimulate interest or appetite.
Example
The smell of food whetted my appetite.
C1 noun /ˌfæb.rɪˈkeɪ.ʃən/

fabrication

虚假发明
Meaning
The invention of false or misleading information; a lie or falsehood.
Example
The article was full of fabrication and misleading claims.
这篇文章充满了虚假的发明和误导性的声明。
C2 adjective /ɜːrˈbeɪn/

urbane

都市的
Meaning
showing polished manners, refinement, and sophistication
Example
He was an urbane gentleman who charmed everyone at the party.
他是一个都市绅士，在派对上迷住了所有人。
C1 noun /skɪt/

skit

小品
Meaning
a short, humorous performance or piece of writing
Example
The students performed a funny skit at the event.
学生们在活动中表演了一个有趣的小品。
A2 noun/adjective /ˈmɛksɪkən/

mexican

幸福
Meaning
a native or inhabitant of Mexico; relating to Mexico or its people, culture, or language
Example
She enjoys Mexican food like tacos and enchiladas.
她在获得奖项时无法隐藏自己的幸福。
B2 adverb /ˌæksɪˈdɛntəli/

accidentally

偶然地
Meaning
happening by chance or unexpectedly
Example
He accidentally dropped the glass.
他不小心把玻璃杯打翻了。
C1 adjective /ˈlɔːf.ti/

Lofty

高大；崇高的性格；崇高的风格
Meaning
of great height; noble in character; elevated in style
Example
He has lofty ideals about making the world a better place.
他有崇高的理想，希望能让世界变得更美好。
B2 adjective /ˌʌnkənˈtroʊld/

uncontrolled

无法控制的
Meaning
not restrained or managed; lacking control
Example
The wildfire spread in an uncontrolled manner, causing widespread damage.
野火以无法控制的方式蔓延，造成广泛破坏。
C1 verb /ˈmɛdəl/

meddle

干涉与自己无关的事情
Meaning
to interfere in something that is not one's concern
Example
He always tries to meddle in other people’s business.
他总是试图干涉别人的事务。
C2 adjective /ˌʌn.təˈwɔːrd/

untoward

意外的
Meaning
Unexpected and inappropriate or inconvenient.
Example
The meeting ended without any untoward incidents.
会议在没有任何意外事件的情况下结束。
C2 verb /stɑːntʃ/

stanch

止血
Meaning
to stop the flow of blood or liquid from a wound or source
Example
The nurse quickly stanched the bleeding from the cut.
护士迅速止住了切口处的出血。
C1 noun /ˈskæf.əld/

Scaffold

脚手架
Meaning
a temporary structure used by workers to stand on when building or repairing something high; a platform for execution
Example
The workers erected a scaffold to paint the building's exterior.
工人们搭建了脚手架来粉刷建筑物的外部。
C1 adjective /ɪnˈlaɪ.tənd/

Enlightened

开明的; 觉悟的; 智慧的;
Meaning
having or showing a rational, modern outlook; having spiritual knowledge or understanding
Example
The enlightened teacher shared wisdom with all her students.
那位开明的老师与她的所有学生分享了智慧。
C1 adjective /ˌkɒndɪˈsɛndɪŋ/

condescending

居高临下
Meaning
having or showing an attitude of patronizing superiority
Example
Her condescending tone upset her colleagues.
她居高临下的语气让她的同事感到不满。
B2 adjective /flɔːd/

flawed

有缺陷的
Meaning
having a mistake or fault that reduces its value or quality
Example
The flawed design of the car led to a recall.
汽车设计有缺陷，导致了召回。
B2 noun /ˈfɒsɪl/

fossil

化石
Meaning
the remains or impression of a prehistoric plant or animal embedded in rock
Example
The fossil of a dinosaur was discovered in the mountains.
在山中发现了一只恐龙化石。
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 /ˌɒnəˈreəriəm/

honorarium

酬金
Meaning
A payment given for professional services that are rendered without a fee.
Example
The guest lecturer received an honorarium for her talk.
那位客座讲师因其讲座而获得了酬金。
A1 noun /ˈpiːpl/

people

人们
Meaning
a group of human beings collectively
Example
The people in the town gathered for the festival.
城里的人们为节日聚集。
B2 noun /trænˈzækʃən/

transaction

交易
Meaning
an instance of buying or selling something; a business deal or exchange
Example
Every online transaction is recorded for security purposes.
每一笔在线交易都会为了安全目的而被记录。
C2 adjective /ˈek.wə.bəl/

Equable

平和
Meaning
calm and even-tempered; not easily disturbed
Example
He maintained an equable temperament throughout the crisis.
他在整个危机期间保持了平和的性格。
B2 noun ˈkæp.ɪ.təl.ɪ.zəm

capitalism

资本主义
Meaning
An economic system where trade, industry and production are privately owned and operated for profit.
Example
Capitalism encourages innovation and competition.
资本主义鼓励创新和竞争。
B2 noun ˈoʊzoʊn dɪˈpliʃən

ozone depletion

臭氧消耗
Meaning
The reduction in the amount of ozone in the Earth's stratosphere, leading to increased UV radiation.
Example
Ozone depletion increases UV radiation.
臭氧消耗增加了紫外线辐射。
C2 noun /ˌpætrəˈnɪmɪk/

patronymic

父系名字
Meaning
a name derived from the name of a father or ancestor
Example
In many cultures, surnames are patronymic in origin.
在许多文化中，姓氏源自父系名字。
C2 adjective /ɪmˈpɪəriəs/

imperious

专横
Meaning
Arrogantly domineering or overbearing.
Example
Her imperious tone made it hard for others to argue.
她那种专横的语气让其他人很难反驳。
B2 adjective /ˈɡrædʒuˌeɪtɪd/

graduated

刻度 / 分级的
Meaning
Arranged in steps, levels, or stages; having completed a course of study and received a degree
Example
The scientist used a graduated cylinder to measure the liquid precisely.
科学家使用了一个刻度量筒来精确地测量液体。
B2 noun sɔɪl ɪˈrəʊʒən

soil erosion

土壤侵蚀
Meaning
The wearing away of topsoil by water, wind, or other natural forces.
Example
Soil erosion can lead to the loss of fertile land.
土壤侵蚀可能导致肥沃土地的流失。
C1 adjective ˈtæktɪkəl

tactical

战术
Meaning
Relating to or constituting actions carefully planned to gain a specific military or political end.
Example
Tactical thinking is crucial in business negotiations.
战术思维在商业谈判中至关重要。
B1 adjective ˈliː.ɡəl

legal

合法
Meaning
Permitted by law; relating to the law.
Example
Legal systems ensure justice.
法律系统确保公正。
B2 adjective /ˌnɒnˈprɒfɪt/

nonprofit

非营利组织
Meaning
an organization that does not aim to make a profit, often serving a social or charitable purpose.
Example
She works for a nonprofit organization that helps children.
她为一个帮助孩子的非营利组织工作。
A2 noun /ˈdraɪ.vər/

Driver

司机
Meaning
a person who operates a motor vehicle
Example
The taxi driver knew all the shortcuts through the busy city.
出租车司机知道通过繁忙城市的所有捷径。
C1 adjective /ˈpɑːm.pəs/

Pompous

浮夸的; 自命不凡的; 过度华丽的
Meaning
showing off; pretentious; overly grand
Example
His pompous attitude annoyed everyone at the meeting.
他的浮夸态度让会议中的每个人都感到不悦。
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 verb /ˌnɒnˈplʌs/

nonplus

使困惑
Meaning
To surprise and confuse someone so much that they are unsure how to react.
Example
The unexpected question seemed to nonplus the speaker.
这个意外的问题似乎让发言者感到困惑。
B1 noun /ˈdʒɪn.dʒər/

Ginger

姜
Meaning
a hot fragrant spice made from the rhizome of a plant; the plant itself
Example
The chef added fresh ginger to the stir-fry to enhance its flavor and aroma.
厨师在炒菜中加入了新鲜的姜，以增强其味道和香气。
C1 adjective /prɪm/

prim

过于正式或合适
Meaning
stiffly formal and proper in appearance or behavior
Example
She looked prim in her neatly pressed dress.
她穿着精心熨烫的裙子看起来非常端庄。
C1 adjective /ˌʌnˈpɑr.də.nə.bəl/

Unpardonable

不可宽恕的
Meaning
too bad to be forgiven; inexcusable
Example
His betrayal of trust was an unpardonable offense.
他的背叛是不可原谅的罪行。
A1 verb /æd/

add

添加
Meaning
to join something to something else; to include
Example
Please add sugar to my coffee.
请在我的咖啡里加糖。
B2 noun /ræntʃ/

ranch

牧场
Meaning
a large farm where animals such as cattle or sheep are raised
Example
They own a huge cattle ranch in Texas.
他们在德克萨斯州拥有一个巨大的牧场。
C1 adjective /ɪˈlɪptɪkl/

elliptical

椭圆形的
Meaning
Having the shape of an ellipse; also, a style of speech that is concise and sometimes obscure.
Example
The planet follows an elliptical orbit around the sun.
行星沿着椭圆形的轨道围绕太阳运行。
C2 noun /ˈfriːˌbuːtər/

freebooter

海盗
Meaning
A pirate or plunderer who roams freely in search of wealth.
Example
The freebooter raided the merchant ships along the coast.
海盗袭击了沿海的商船。
C2 noun /bɪˈtroʊðəl/

betrothal

订婚
Meaning
The formal engagement to be married.
Example
Their betrothal was announced to the whole village.
他们的订婚在整个村庄宣布。
C2 verb /aɪˈtɪnəˌreɪt/

itinerate

旅行
Meaning
To travel from place to place, usually for the purpose of work or preaching.
Example
The missionary itinerated throughout the region to spread the message.
传教士到处旅行传播信息。
C1 noun /ˌræm.ɪ.fɪˈkeɪ.ʃən/

ramification

后果
Meaning
a consequence of an action or event, often complex or unwelcome.
Example
The new law has serious social ramifications.
新法律有严重的社会后果。
B2 noun

Longing

渴望; 忧郁
C1 verb /nəˈsɛsɪteɪt/

necessitate

使成为必要
Meaning
To make something necessary or unavoidable.
Example
The heavy rains necessitated the cancellation of the event.
大雨使得活动的取消成为必然。
C1 adjective /ˈsʌlən/

sullen

闷闷不乐
Meaning
bad-tempered and gloomy; silently resentful
Example
She gave him a sullen look and walked away.
她给了他一个闷闷不乐的眼神，然后走开了。
C2 verb /ɪnˈdɒktrɪˌneɪt/

indoctrinate

灌输
Meaning
To teach someone to fully accept a set of beliefs or ideas without question.
Example
The regime tried to indoctrinate the youth with propaganda.
该政权试图通过宣传对年轻人进行洗脑。
C2 noun /ˌɪməʊˈbɪləti/

immobility

不动
Meaning
The state of being unable to move.
Example
After the accident, she suffered from immobility in her legs.
事故发生后，她的腿部出现了不动的症状。
A2 noun, verb, adjective /ˈprɛzənt/

present

呈现
Meaning
existing or happening now; to give something to someone in a formal way
Example
She presented her report to the team yesterday.
她昨天向团队展示了她的报告。
B2 noun /ˌprɒsɪˈkjuːʃən/

prosecution

起诉
Meaning
The act of bringing a criminal charge against someone and pursuing legal action in court.
Example
The prosecution presented strong evidence against the defendant.
起诉方提出了有力的证据反对被告。
B2 adjective /ˈrɪdʒ.ɪd/

Rigid

严格
Meaning
hard and stiff; not able to bend; strict and unwilling to change
Example
The company has a rigid dress code that all employees must follow.
公司有严格的着装要求，所有员工都必须遵守。
B1 adjective /ˈsɪniər/

senior

高级
Meaning
having a higher rank or status; older or more experienced
Example
He is the senior manager in the department.
他是部门的高级经理。
B2 adjective /kəmˈpæʃənət/

Compassionate

有同情心的; 富有同情心的
Meaning
feeling or showing sympathy and concern for others who are suffering
Example
The compassionate nurse took extra time to comfort the worried patients.
富有同情心的护士花时间安慰忧虑的病人。
C1 verb /səbˈsaɪd/

subside

减少
Meaning
to become less intense, violent, or severe; to sink or fall to a lower level
Example
After the storm, the floodwaters began to subside.
风暴过后，洪水开始退去。
C1 adjective /ˈten.tə.tɪv/

Tentative

初步的; 不确定的
Meaning
not certain or fixed; provisional; hesitant or unsure
Example
We made tentative plans to meet next week.
我们做了初步的计划，下周见面。
B2 adverb /səˈfɪʃəntli/

sufficiently

充分
Meaning
to an adequate degree or extent
Example
She studied sufficiently to pass the exam.
她足够努力地学习，才能通过考试。
B2 verb /ˈmæk.sɪ.maɪz/

maximize

最大化
Meaning
to increase something as much as possible
Example
The company aims to maximize its profits this year.
公司今年旨在最大化其利润。
C1 noun /ˌsaɪkoʊˈθɛrəpi/

psychotherapy

心理治疗
Meaning
The treatment of mental disorder by psychological rather than medical means.
Example
She attended weekly psychotherapy sessions to cope with her anxiety.
她参加了每周的心理治疗会议，以应对她的焦虑。
C1 adjective /kənˈvɜːrdʒənt/

convergent

汇聚的
Meaning
tending to move toward a common point or result
Example
The two rivers have a convergent path before entering the lake.
这两条河流在进入湖泊之前有一条汇聚路径。
C2 noun /ʃəˈɡrɪn/

chagrin

懊悔
Meaning
Distress or embarrassment at having failed or been humiliated.
Example
She left the room in chagrin after forgetting her lines.
她在忘记台词后，带着懊悔离开了房间。
B1 noun /ˌɡrædʒ.uˈeɪ.ʃən/

graduation

Meaning
the act of receiving a degree or diploma after completing a course of study
Example
Her parents attended her graduation ceremony with pride.
B2 noun /ˈmɑːrbəl/

marble

Meaning
a hard, smooth stone used in building and sculpture, often white with colored lines
Example
The floor of the palace was made of white marble.
B1 adjective /ˈnɔːðərn/

northern

北方的
Meaning
relating to the north or situated in the north
Example
The northern part of the country is known for its cold climate.
该国的北部因其寒冷的气候而闻名。
B2 adjective /suːˈpɜːrb/

superb

极好的
Meaning
extremely good; excellent
Example
The hotel provided superb service during our stay.
酒店在我们停留期间提供了极好的服务。
A2 adjective /miːn/

Mean

刻薄; 残忍; 令人讨厌
Meaning
unkind; cruel; nasty
Example
Don't be so mean to your little sister.
不要对你的小妹妹这么残忍。
B1 adjective /ˈplʊrəl/

plural

复数
Meaning
denoting more than one person or thing
Example
The word 'cats' is the plural of 'cat'.
'猫'的复数是'猫们'。
C1 adjective sɪˈmæn.tɪk

semantic

与语言中的意义相关
Meaning
Related to meaning in language; concerning the interpretation of words and sentences.
Example
AI models use semantic analysis to understand context.
人工智能模型使用语义分析来理解上下文。
C2 adjective /ɪmˈplækəbl/

implacable

不可调和
Meaning
unable to be appeased, calmed, or pacified
Example
The soldiers faced an implacable enemy who refused to surrender.
士兵们面对着一个不可调和的敌人，他拒绝投降。
B2 adjective /ˈθɔːtˌproʊvɪkɪŋ/

thought-provoking

引人深思
Meaning
stimulating careful consideration or thought
Example
The movie was deeply thought-provoking and left a lasting impression.
这部电影深刻地引人深思，并留下了深远的印象。
C2 verb /ɪnˈɡreɪʃiˌeɪt/

ingratiate

Meaning
To gain favor or approval by deliberate effort, often in a flattering way.
Example
She tried to ingratiate herself with her boss by complimenting him often.
A1 noun /ˈɪntənet/

internet

全球计算机网络
Meaning
A global computer network providing a variety of information and communication facilities.
Example
The internet has revolutionized the way we access information.
互联网彻底改变了我们获取信息的方式。
B2 noun /həˈræsmənt/

harassment

骚扰
Meaning
aggressive pressure or intimidation; unwanted and repeated behavior causing discomfort
Example
The company has a strict policy against workplace harassment.
公司对职场骚扰有严格的政策。
A2 adverb /ˈiːkwəli/

equally

平等地
Meaning
in an equal or fair way; to the same degree
Example
The prize money was equally divided among the winners.
奖金在获胜者之间平等分配。
B1 adjective /ˈdɛdɪˌkeɪtɪd/

dedicated

专心致志
Meaning
devoted to a cause, task, or purpose
Example
She is a dedicated teacher who goes above and beyond for her students.
她是一位献身的教师，为她的学生竭尽全力。
B2 adjective /ɪnˈsɛnsətɪv/

insensitive

迟钝的
Meaning
Showing or feeling no concern for others' feelings.
Example
His insensitive comment hurt her deeply.
他迟钝的评论深深伤害了她。
C2 adjective /ˌpɑːrsɪˈmoʊniəs/

parsimonious

吝啬
Meaning
unwilling to spend money or use resources; stingy
Example
The company was too parsimonious to invest in better equipment.
公司太吝啬，无法投资更好的设备。
B1 noun /ˈtreɪdɪŋ/

trading

交易
Meaning
the act or business of buying and selling goods or services
Example
She made a fortune through online trading.
她通过在线交易赚取了财富。
B2 noun /slʌm/

Slum

贫民窟
Meaning
a poor urban area with substandard housing and squalid conditions
Example
The government is working to improve conditions in the slum.
政府正在努力改善贫民区的条件。
C1 noun /ˈblʌdˌbæθ/

bloodbath

血腥屠杀
Meaning
an event in which a lot of people are killed or injured, especially in a violent conflict
Example
The war turned into a bloody bloodbath.
战争变成了一场血腥的屠杀。
C1 adjective /kənˈkluː.sɪv/

Conclusive

决定性的; 终结的; 完全解决问题
Meaning
final; decisive; settling a matter completely
Example
The evidence was conclusive and left no room for doubt.
证据是决定性的，没有留下任何怀疑的空间。
C1 noun /nɑːtʃ/

notch

刻痕
Meaning
A small cut or groove on the edge or surface of something; a level or degree of achievement.
Example
He carved a notch on the stick to mark the days.
他在棍子上刻了一个刻痕，以标记天数。
C1 noun /ˈprɒdɪdʒi/

prodigy

神童
Meaning
a person, especially a young one, with exceptional talents or abilities
Example
Mozart was a child prodigy in music.
莫扎特是一个音乐神童。
C1 verb /ɪkˈspaʊnd/

expound

详细阐述
Meaning
to present and explain in detail
Example
The professor expounded the theory in simple terms.
教授用简单的术语详细阐述了这个理论。
C1 noun /ɡruːv/

groove

沟槽 / 节奏
Meaning
a long narrow cut or depression, or a rhythmic pattern in music
Example
The DJ kept the crowd dancing to the groove.
DJ让人群跟随节奏跳舞。
B2 noun /ˈbænər/

banner

Meaning
a large printed sign used for advertisements or announcements
Example
The company displayed a banner to advertise their new product.
C1 noun /ˌænɛkˈseɪʃən/

annexation

吞并
Meaning
the act of adding or taking control of territory or property, especially by a state
Example
The annexation of the region led to international condemnation.
该地区的吞并引发了国际谴责。
C1 noun /ˈneɪ.vəl/

Navel

肚脐
Meaning
the small hollow in the center of the stomach where the umbilical cord was attached
Example
The baby's navel cord fell off after a week.
婴儿的脐带一周后掉了。
B2 noun /ˈdʒɝː.nə.lɪŋ/

journaling

写日记
Meaning
The practice of writing down your thoughts, feelings, and experiences regularly.
Example
Journaling helps in organizing thoughts and reducing stress.
日记写作有助于整理思绪并减少压力。
C1 verb /ˈduːdəl/

doodle

Meaning
To draw or scribble absentmindedly, often while thinking about something else.
Example
She doodled flowers in the corner of her notebook during class.
C2 noun /ˈvaɪsrɔɪ/

viceroy

副总督
Meaning
a ruler exercising authority on behalf of a sovereign in a colony or province
Example
The viceroy governed the colony in the king's name.
副总督以国王的名义治理殖民地。
C1 adjective /ˈdek.stər.əs/

dexterous

灵巧
Meaning
Showing or having skill, especially with the hands; mentally adroit and skillful.
Example
A dexterous programmer can write complex codes effortlessly.
一个灵巧的程序员可以毫不费力地写出复杂的代码。
C1 noun /əˌlɪtəˈreɪʃən/

alliteration

头韵
Meaning
the occurrence of the same consonant sound at the beginning of words in close succession
Example
She used alliteration in her poem to add musicality.
她在诗中使用了头韵来增加音乐性。
C2 adjective ˌmɛɡəˈlɪθɪk

megalithic

巨石
Meaning
Relating to or denoting prehistoric monuments made of or containing large stones.
Example
The megalithic structures in ancient civilizations are fascinating.
古代文明中的巨石结构令人着迷。
B1 adverb /ˈspeʃ.əl.i/

Specially

特别
Meaning
for a particular purpose; especially; specifically
Example
This gift was specially made for you.
这个礼物是特别为你做的。
C2 noun /prəˈtuːbərəns/

protuberance

肿块
Meaning
A rounded swelling or lump on a surface.
Example
The doctor examined the small protuberance on his arm.
医生检查了他手臂上的小肿块。
C2 verb /dɪˈpreɪv/

deprave

堕落
Meaning
to corrupt morally; to make someone immoral or wicked
Example
The novel was criticized for attempting to deprave the minds of young readers.
这本小说因为试图堕落年轻读者的思想而受到批评。
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。
C1 noun rɪˌkuːpərˈeɪʃən

recuperation

恢复
Meaning
The process of gradually recovering from illness or fatigue
Example
Rest is essential for recuperation after illness.
休息对疾病后的恢复至关重要。
C1 verb /ˌriːɪmˈbɜːrs/

reimburse

报销
Meaning
to pay back money to someone who has spent it or lost it
Example
The company reimbursed him for travel expenses.
公司为他报销了旅行费用。
C1 noun /dɪˈfjuːʒən/

diffusion

Meaning
the spreading of something more widely or the movement of particles from high to low concentration
Example
The diffusion of information on social media is rapid.
B2 adjective /ˈspɪr.ɪ.tʃu.əl/

Spiritual

精神的; 宗教的; 神圣的
Meaning
relating to the human spirit or soul; religious or sacred
Example
She found spiritual peace through meditation.
她通过冥想找到了精神的平静。
C1 noun /ˈtrɪkstər/

trickster

骗子
Meaning
A person who cheats or deceives people.
Example
The old man turned out to be a clever trickster who fooled everyone.
那位老人竟然是个聪明的骗子，骗了所有人。
A2 noun /ˈbɪljən/

billion

Meaning
the number 1,000,000,000 (one thousand million)
Example
The company is worth more than a billion dollars.
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。
B1 phrase bɛst ˈɛf.ərt

best effort

最大努力
Meaning
The maximum amount of effort or energy that someone can give.
Example
He gave his best effort to complete the task on time.
他为了按时完成任务，付出了最大的努力。
C1 noun, adjective, verb /səˈbɔːrdənət/ (noun/adjective), /səˈbɔːrdəˌneɪt/ (verb)

subordinate

下属
Meaning
lower in rank or position; to treat as less important
Example
He manages ten subordinates in his department.
他在他的部门里管理十个下属。
B2 noun /ˈsɛnətər/

senator

参议员
Meaning
a member of a senate, especially in a legislative body
Example
The senator spoke passionately about environmental policies.
参议员激情地谈论环境政策。
C2 adjective /ˌpɒliˈæn.ɪ.ɪʃ/

pollyannaish

过于乐观
Meaning
overly or blindly optimistic
Example
Her pollyannaish attitude ignored the obvious problems.
她的过于乐观的态度忽略了明显的问题。
A2 adjective /frɛʃ/

fresh

新鲜
Meaning
new, recently made, or clean and pure
Example
The bread is still fresh from the oven.
面包还是刚从烤箱出来。
B2 noun /ˈfɪzɪsɪst/

physicist

物理学家
Meaning
a scientist who studies or specializes in physics
Example
The physicist explained the theory of relativity to the students.
物理学家向学生们解释了相对论。
B1 adjective /ˈɡɪl.ti/

Guilty

有罪的
Meaning
having committed a crime or offense; feeling responsible for wrongdoing
Example
She felt guilty about lying to her parents.
她因为对父母撒谎而感到有罪。
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 noun /ˌvælɪˌtjuːdɪˈnɛəriən/

valetudinarian

疑病症患者
Meaning
A person who is unduly anxious about their health or constantly concerned with minor ailments.
Example
He was regarded as a valetudinarian, always worrying about his health.
他被认为是一个疑病症患者，总是为自己的健康担忧。
C1 noun/verb /reɪn/

rein

Meaning
A strap used to control a horse; to control or guide something.
Example
The rider pulled the rein to stop the horse.
C1 verb /ˈmæd.ən/

madden

使发狂
Meaning
To make someone very angry or extremely annoyed.
Example
The constant noise maddened him.
持续的噪音让他发狂。
C1 noun əˈblɪv.i.ən

oblivion

遗忘, 灭绝, 消失
Meaning
The state of being unaware or unconscious of what is happening; complete forgetfulness.
Example
His name faded into oblivion over time.
随着时间的推移，他的名字渐渐消失在遗忘中。
C2 verb /dɪˈtruːd/

detrude

推向下或推向外面
Meaning
To thrust or force something downward or outward.
Example
The violent waves detruded rocks from the cliff.
暴力的海浪把岩石从悬崖上推了下来。
B2 noun /ˈæltɪtuːd/

altitude

高度
Meaning
the height of an object or point in relation to sea level or ground level
Example
The airplane is flying at an altitude of 30,000 feet.
飞机以30,000英尺的高度飞行。
B2 noun rɪˈtɛnʃən

retention

保持
Meaning
The continued possession, use, or control of something
Example
The retention of information is essential for academic success.
信息的保持对学术成功至关重要。
A1 noun /ɑːrm/

Arm

手臂
Meaning
the upper limb of the human body from the shoulder to the hand
Example
She raised her arm to ask a question.
她举起了手臂来提问。