subtrahend
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C2 noun /ˈsʌbtrəˌhɛnd/

subtrahend

被减数
Meaning
a number that is to be subtracted from another number
Example
In the equation 10 - 4, the number 4 is the subtrahend.
在等式 10 - 4 中，数字 4 是被减数。
C1 adjective /ˈriː.fleks/

Reflex

反射
Meaning
an action performed without conscious thought; relating to reflection
Example
The doctor tested her reflex response by tapping her knee.
医生通过轻轻敲打她的膝盖来测试她的反射反应。
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。
A1 noun, adjective /hæf/

half

一半
Meaning
one of two equal parts of something
Example
He ate half of the cake.
他吃了蛋糕的一半。
B2 adjective /ˈkræŋki/

cranky

脾气暴躁
Meaning
bad-tempered, easily annoyed, or irritable
Example
The child gets cranky when he is hungry.
当孩子饿了时，他会变得脾气暴躁。
B1 verb /breɪk/

brake

Meaning
to slow down or stop a vehicle by applying a brake
Example
He braked suddenly to avoid hitting the dog.
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 adjective /ˈseɪpiənt/

sapient

明智的
Meaning
Wise, or appearing to be wise.
Example
The professor gave a sapient response to the complex question.
教授对复杂的问题做出了明智的回答。
A1 preposition /baɪ/

by

通过
Meaning
indicating the agent performing an action, or the means of achieving something
Example
The book was written by a famous author.
这本书是通过一位著名的作者写的。
B2 adjective /ˈɔː.də.li/

Orderly

有序的; 系统的; 平静的
Meaning
well-organized; systematic; peaceful
Example
Please keep your desk orderly and clean.
请保持您的桌面整齐和干净。
C2 noun /viːˈnæləti/

venality

贪污腐化
Meaning
the quality of being open to bribery or corruption
Example
The scandal revealed the venality of several senior officials.
丑闻揭示了几位高级官员的贪污腐化。
B2 adjective /ˌɪnkənˈsɪstənt/

inconsistent

不一致
Meaning
Not staying the same throughout; lacking harmony or regularity.
Example
His answers were inconsistent and confusing.
他的回答不一致且令人困惑。
B1 noun /dɪˈfens/

Defence

防御; 保护
Meaning
the action of defending from or resisting attack; protection or support
Example
The country strengthened its defence system against potential threats.
该国加强了其防御系统，以应对潜在威胁。
C1 noun /pərˈveɪər/

purveyor

Meaning
a person or business that supplies goods, services, or information
Example
He is a well-known purveyor of fine wines.
A2 noun /ˈdɪkʃəˌnɛri/

dictionary

字典
Meaning
A reference book or electronic resource containing words, usually arranged alphabetically, with information about their meanings, pronunciations, etymologies, and usage.
Example
I looked up the word in the dictionary to understand its meaning.
我在字典里查了这个词的意思。
A2 noun /bɔːrd/

board

Meaning
a flat, thin, rectangular piece of material such as wood; also a group of people managing an organization
Example
The board decided to increase the budget.
A2 noun /ˈneɪ.bər/

Neighbour

邻居; 旁边
Meaning
a person who lives near or next to another person
Example
My neighbour is very friendly and helpful.
我的邻居非常友好且乐于助人。
B2 noun ˈiːkoʊˌtʊrɪzəm

Eco-tourism

生态旅游
Meaning
A form of tourism involving responsible travel to natural areas that conserves the environment and improves the well-being of local people.
Example
Eco-tourism promotes responsible travel to natural areas.
生态旅游促进了负责任的自然地区旅游。
B2 noun ɔːɡˈmɛn.tɪd riˈæl.ɪ.ti

augmented reality

增强现实，虚拟与现实世界的结合
Meaning
Technology that overlays digital information on the real world environment.
Example
Gaming has been transformed by augmented reality.
增强现实改变了游戏。
C1 noun /ˌtɛrəˈdæktɪl/

pterodactyl

已灭绝的飞行爬行动物
Meaning
An extinct flying reptile of the Jurassic period, with a long slender head and wings formed by a membrane stretching along the body.
Example
The museum displayed a fossil of a giant pterodactyl.
博物馆展示了一只巨大的翼龙化石。
C2 verb /ˈstɪp.əl/

stipple

用小点覆盖
Meaning
to cover a surface with numerous small dots or specks, often in drawing or painting
Example
The artist stippled the canvas to create a textured effect.
艺术家在画布上用小点覆盖，创造了一个纹理效果。
C2 adjective /fjuːˈɡeɪʃəs/

fugacious

短暂的
Meaning
Lasting only a short time; fleeting or ephemeral.
Example
Youth is beautiful but fugacious.
青春是美丽的，但它是短暂的。
C1 noun /ˈʃɜːrbət/

sherbet

雪葩
Meaning
a sweet flavored drink or a frozen dessert made from sweetened fruit juice
Example
On hot days, she enjoys a glass of lemon sherbet.
在炎热的日子里，她喜欢喝一杯柠檬雪葩。
C1 verb /slaʊtʃ/

slouch

懒散地坐
Meaning
To stand, sit, or move in a lazy or awkward way.
Example
He slouched in the chair, looking tired.
他在椅子上懒散地坐着，看起来很累。
A2 noun /jɑːrd/

Yard

院子; 附近的空地
Meaning
a unit of linear measure equal to 3 feet; an area of land immediately adjacent to a building
Example
The children played in the back yard.
孩子们在后院玩耍。
C2 noun /ˌɛksəˈdʒiːsɪs/

exegesis

注释
Meaning
A critical explanation or interpretation of a text, especially a religious scripture.
Example
The professor gave a detailed exegesis of the biblical passage.
教授对圣经章节进行了详细的注释。
B2 noun /dwɔːrf/

dwarf

矮人
Meaning
a person, animal, or plant much smaller than average
Example
Snow White lived with seven dwarfs.
白雪公主与七个矮人一起生活。
B1 noun /ˈbɔr.dər/

Border

边界
Meaning
a line separating two political or geographical areas, especially countries
Example
They crossed the border between France and Spain by train.
他们乘火车穿越了法国和西班牙之间的边界。
A2 adjective /fəˈmɪl.jər/

Familiar

熟悉的; 了解的; 非正式且友好的
Meaning
well-known; easily recognized; having knowledge of; informal and friendly
Example
This song sounds familiar to me.
这首歌听起来对我很熟悉。
C1 adjective /ˈhɑːrtˌrɛndɪŋ/

heartrending

令人心碎
Meaning
Causing great sadness or distress; very moving emotionally.
Example
The documentary showed heartrending scenes of war victims.
纪录片展示了战争受害者令人心碎的场景。
C1 noun /ˈmjʊr.əl/

Mural

壁画
Meaning
a painting or artwork applied directly on a wall or ceiling
Example
The artist painted a beautiful mural on the school wall.
艺术家在学校的墙上画了一幅美丽的壁画。
B1 verb /dɪsˈtrɪbjuːt/

distribute

分发
Meaning
to give out or spread something among several people or places
Example
The teacher will distribute the test papers.
老师将分发测试试卷。
C2 noun /ˈsaɪ.nəˌʃʊr/

cynosure

众人焦点
Meaning
A person or thing that is the center of attention or admiration.
Example
She was the cynosure of all eyes at the party.
她是派对上所有人焦点。
B2 verb /əˈrɪdʒɪneɪt/

originate

起源
Meaning
to come into existence; to begin; to create or produce
Example
The tradition originated in ancient times.
这个传统起源于古代。
C2 noun /ˈpærəpɛt/

parapet

防护墙
Meaning
A low protective wall along the edge of a roof, balcony, or bridge.
Example
The soldier hid behind the parapet for protection.
士兵躲在防护墙后面以保障安全。
B2 adjective /ɪˈmjuːn/

immune

免疫的
Meaning
protected from disease or from the effects of something
Example
Children who are vaccinated are immune to many diseases.
接种疫苗的孩子对许多疾病免疫。
C2 noun /ˈdʒɪŋɡoʊɪst/

jingoist

极端民族主义者
Meaning
a person who supports jingoism; an extreme nationalist with aggressive foreign policies
Example
He was labeled a jingoist for his extreme views.
由于他的极端观点，他被贴上了极端民族主义者的标签。
C2 noun /ˈæk.rɪ.moʊ.ni/

acrimony

Meaning
Bitterness and anger, especially in speech or behavior.
Example
The divorce was filled with acrimony and disputes.
C2 noun /ˈmæl.kənˌtɛnt/

malcontent

不满的人
Meaning
A person who is dissatisfied or rebellious; one who is not content.
Example
The malcontent voiced his grievances against the government.
这个不满的人表达了他对政府的不满。
C1 adjective, noun /rɪˈsiːvəbl/

receivable

应收款项
Meaning
Money that is owed to a company and is expected to be paid.
Example
The company's receivables increased significantly this quarter.
公司的应收账款在本季度大幅增加。
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。
A2 verb /teɪk ɒf/

take off

起飞; 脱下
Meaning
to remove something; to leave the ground and begin flying (airplane); to suddenly become successful or popular
Example
The airplane will take off in ten minutes.
飞机将在十分钟后起飞。
C2 noun, verb /ˈkaʊntərˌtʃɑːrdʒ/

countercharge

反诉
Meaning
an opposing charge or accusation; to make an opposing attack
Example
The lawyer filed a countercharge against the accuser.
律师对指控者提起了反诉。
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 /loʊm/

loam

富饶的壤土
Meaning
Fertile soil mixture of sand, clay, and organic matter.
Example
Loam soil is ideal for agriculture due to its nutrient content.
壤土是农业的理想选择，因为它含有丰富的营养成分。
C1 noun /rɪˈnaʊn/

Renown

声誉; 名声
Meaning
the condition of being known or talked about by many people; fame
Example
The scientist achieved international renown for her discoveries.
这位科学家因其发现而获得了国际声誉。
C1 noun /stɪnt/

stint

短期工作
Meaning
a period of time spent doing a particular job or activity
Example
She did a short stint as a teacher before moving abroad.
她在搬到国外之前做了一段短时间的教师工作。
B2 noun ˌdiː.fɒr.ɪˈsteɪ.ʃən

deforestation

森林砍伐
Meaning
The action of clearing a wide area of trees; the permanent destruction of forests in order to make the land available for other uses.
Example
Deforestation accelerates the loss of biodiversity.
森林砍伐加速了生物多样性的丧失。
B1 noun /ˈpɑr.dən/

Pardon

宽恕; 原谅;
Meaning
forgiveness; the action of forgiving or being forgiven for an error or offense
Example
I beg your pardon for interrupting the meeting.
打扰会议，我请求宽恕。
A2 noun /ræt/

Rat

老鼠
Meaning
a large long-tailed rodent that is typically considered a pest
Example
The rat scurried across the kitchen floor.
老鼠在厨房的地板上快速跑过。
C2 adjective /əˈbɪs.əl/

abyssal

深海的
Meaning
Related to or characteristic of the deep ocean, especially the zone below 4000 meters.
Example
Abyssal creatures survive in extreme pressure conditions.
深渊生物在极端压力条件下生存。
B2 adjective /ˈkwestʃənəbl/

Questionable

可疑的
Meaning
doubtful; dubious; suspicious; open to doubt or suspicion
Example
His questionable business practices led to an investigation.
他的可疑商业行为导致了一项调查。
B2 adjective ˌɒn.trə.prəˈnɜː.ri.əl

entrepreneurial

企业家精神
Meaning
Relating to or characterized by the activity of setting up a business or businesses, taking on financial risks in the hope of profit.
Example
His entrepreneurial spirit led him to establish a successful startup.
他的企业家精神使他创办了一个成功的创业公司。
C1 noun /ˈprɛsɪpɪs/

precipice

悬崖
Meaning
A very steep cliff or a situation of great danger.
Example
The hikers stood at the edge of the precipice, gazing into the valley below.
徒步旅行者站在悬崖边缘，凝视着下面的山谷。
C2 adjective /ˌɪnkænˈdɛsənt/

incandescent

白炽的
Meaning
emitting light as a result of being heated; extremely bright or passionate
Example
The incandescent lamp lit up the entire hall.
白炽灯照亮了整个大厅。
A2 noun /ˈaɪ.lənd/

Island

岛屿
Meaning
a piece of land completely surrounded by water
Example
We visited a beautiful island during our vacation.
我们在假期期间参观了一个美丽的岛屿。
C1 noun /baɪl/

Bile

胆汁
Meaning
a bitter greenish-brown alkaline fluid that aids digestion and is secreted by the liver and stored in the gallbladder
Example
The liver produces bile to help digest fats.
肝脏产生胆汁来帮助消化脂肪。
C2 noun /ˌpɛntəˈhiːdrən/

pentahedron

五面体
Meaning
A solid geometric figure with five faces.
Example
In geometry class, the teacher explained the structure of a pentahedron.
在几何课上，老师解释了五面体的结构。
C2 verb /foʊˈmɛnt/

foment

煽动
Meaning
To instigate or stir up (an undesirable or violent sentiment or course of action).
Example
The rebel leader tried to foment unrest among the people.
叛乱领袖试图在人民中煽动骚乱。
C1 adjective /ˌeɪˈmɔːrəl/

amoral

不道德的
Meaning
Lacking a moral sense; unconcerned with rightness or wrongness of something.
Example
The character in the novel was portrayed as completely amoral.
小说中的人物被描绘成完全不道德。
B2 noun/verb /ˈaʊtreɪdʒ/

outrage

愤怒
Meaning
A strong feeling of anger and shock; to arouse anger or shock.
Example
The unfair decision caused public outrage.
不公正的决定引起了公众的愤怒。
A2 verb /ˈmænɪdʒ/

manage

管理
Meaning
to control or organize something; to succeed in doing something difficult
Example
He manages a team of twenty employees effectively.
他有效地管理着二十名员工。
B1 adverb /ˈriː.zən.ə.bli/

Reasonably

合理地; 合适地;
Meaning
in a sensible way; fairly; to a moderate degree
Example
The hotel room was reasonably priced for the location.
酒店房间根据位置的合理定价。
A2 adverb /bɪˈsaɪdz/

Besides

此外
Meaning
in addition to; moreover; furthermore
Example
Besides being smart, he is also kind.
除了聪明，他还很友好。
C2 adjective /ˈlæm.ən.tə.bəl/

lamentable

可悲的
Meaning
deserving to be criticized or regretted; unfortunate
Example
The team’s lamentable performance disappointed their fans.
球队的可悲表现让他们的粉丝失望。
B2 noun /rɪb/

Rib

肋骨
Meaning
one of the curved bones that protect the chest and lungs
Example
He broke his rib in the accident.
他在事故中断了一根肋骨。
C1 noun /ˌæntɪˈsiːdənt/

antecedent

先例
Meaning
something that came before; a previous event, condition, or cause
Example
The cultural antecedents of this festival go back centuries.
这个节日的文化先例可以追溯到几个世纪前。
B1 verb /peɪst/

paste

粘贴
Meaning
to stick something onto a surface using glue or adhesive
Example
I paste the picture into my scrapbook.
我把照片粘贴到我的剪贴簿里。
B2 verb /ɪkˈskleɪm/

exclaim

呼喊
Meaning
to cry out suddenly in surprise, strong emotion, or excitement
Example
She exclaimed with joy when she saw the gift.
她看到礼物时高兴地叫了出来。
C2 verb /ˈdɒdə/

dodder

颤抖着走路
Meaning
To move in a weak and unsteady way, especially due to old age.
Example
The old man doddered across the street with a cane.
那位老人拄着拐杖走过街道，步履蹒跚。
C1 adjective /dɪsˈkɔːrdənt/

discordant

不和谐
Meaning
disagreeing or clashing; harsh and jarring in sound
Example
The discordant notes of the band hurt our ears.
乐队的不和谐音符让我们的耳朵很痛。
C2 verb /ˌfɔːrɔːrˈdeɪn/

foreordain

预定
Meaning
to determine or decree something in advance; to predestine
Example
Some believe that our lives are foreordained by fate.
一些人相信我们的生活是命运预定的。
B1 verb /əˈweɪk/

awake

醒来
Meaning
to stop sleeping; to become conscious or alert
Example
I awake every morning at six o'clock.
我每天早上六点醒来。
B2 noun /nɒsˈtæl.dʒə/

nostalgia

怀旧
Meaning
A sentimental longing for the past, typically for a period or place with happy personal associations.
Example
Listening to old songs fills me with nostalgia.
听老歌让我充满怀旧之情。
B2 adjective /ˈʃæl.oʊ/

Shallow

浅薄; 不深; 缺乏深入知识
Meaning
not deep; superficial; lacking depth of knowledge
Example
The shallow water is perfect for children to play.
浅水适合孩子们玩耍。
C1 noun /ˈmɪmɪkri/

mimicry

模仿
Meaning
The act of imitating someone or something, often for humor or learning.
Example
The comedian’s mimicry of celebrities made the audience laugh.
喜剧演员通过模仿名人让观众捧腹大笑。
C1 adjective /səbˈsɜːviənt/

subservient

Meaning
prepared to obey others unquestioningly; less important than something else
Example
She was too subservient to challenge his decision.
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 adjective /ˈhaɪˌbraʊ/

highbrow

知识分子
Meaning
intellectually superior or cultured; often describing art, literature, or activities appealing to intellectual tastes
Example
The museum is known for its highbrow exhibitions.
该博物馆以其知识分子展览而闻名。
C1 noun /ˌmæn.ɪ.fɛsˈteɪ.ʃən/

manifestation

表现
Meaning
A visible form or expression of an idea, concept, or feeling; the action of displaying or showing.
Example
His generosity was a manifestation of his kind nature.
他的慷慨是他善良本性的表现。
C2 noun /ˈɡæŋ.weɪ/

gangway

Meaning
A narrow passage or walkway; also an exclamation used to clear the way.
Example
The sailors lowered the gangway for passengers to board.
B2 noun /ˈskriːnɪŋ/

screening

筛查或放映
Meaning
the act of examining or testing people to detect disease or evaluate suitability; a showing of a movie or program
Example
The hospital offered free health screening for all employees.
医院为所有员工提供了免费的健康筛查。
B2 noun /ˈɒpəreɪtər/

operator

操作员
Meaning
a person who operates equipment, a business, or controls something
Example
The machine operator ensured that everything ran smoothly.
机器操作员确保一切顺利运行。
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。
C2 adjective /ˈmiː.di.eɪ.tɪv/

mediative

与调解相关
Meaning
Related to mediation, helping to resolve conflicts through diplomatic means.
Example
His mediative skills helped resolve the conflict.
他的调解技巧帮助解决了冲突。
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。
C1 adjective /ˈlaʊzi/

lousy

糟糕
Meaning
of very poor quality; bad or unpleasant
Example
He felt lousy after catching the flu.
他在得了流感后感觉很糟糕。
C1 verb /ɪɡˈzɔːlt/

exalt

Meaning
to praise highly or raise in rank, honor, or power
Example
The community exalted the teacher for his dedication.
C2 noun /ˌkɒməˈsɛəriət/

commissariat

供应部门
Meaning
A department responsible for supplying food and equipment, especially in the military.
Example
The army commissariat ensured that the soldiers had enough supplies.
军队供应部门确保士兵们有足够的物资。
C2 adjective /krʌˈsteɪʃəs/

crustaceous

有硬壳的
Meaning
relating to or having a hard shell like a crustacean
Example
The scientist studied the crustaceous fossils.
科学家研究了有硬壳的化石。
B1 adjective /ˈskɪlfʊl/

Skilful

熟练的; 能手; 专家
Meaning
having or showing skill; expert and accomplished
Example
The skilful surgeon performed the operation with great precision.
熟练的外科医生以极高的精确度完成了手术。
C1 adjective /bəˈroʊk/

baroque

巴洛克风格
Meaning
relating to a highly ornate and extravagant style of art, architecture, or music from the 17th and early 18th centuries; excessively elaborate or complex
Example
The church was decorated in a baroque style with intricate details.
教堂以复杂的巴洛克风格装饰，细节繁复。
B2 adjective ɔːrˈɡæn.ɪk

organic

有机的
Meaning
Produced or involving production without the use of chemical fertilizers, pesticides, or other artificial agents.
Example
Organic farming improves soil health and reduces pollution.
有机农业改善土壤健康并减少污染。
C2 noun /ˈtʌmbrəl/

tumbrel

Meaning
A two-wheeled cart, especially one used during the French Revolution to carry prisoners to the guillotine.
Example
The prisoners were carried to the square in a wooden tumbrel.
C1 noun /kɑːɡ/

cog

轮子或齿轮上的齿
Meaning
A tooth on the rim of a wheel or gear; metaphorically, a minor but necessary part of a larger system.
Example
He felt like just a small cog in a big machine.
他觉得自己只是一个大机器中的小齿轮。
B2 adjective /ˈrek.ləs/

Reckless

鲁莽的; 冒失的; 危险的;
Meaning
acting without thinking about consequences; careless; dangerous;
Example
His reckless driving caused a serious accident.
他的鲁莽驾驶导致了严重的事故。
B2 adjective ˈteɪləd

tailored

量身定制
Meaning
Made or adapted for a particular purpose or person.
Example
He wore a tailored suit that complemented his physique perfectly.
他穿了一套量身定制的西装，完美地衬托了他的身形。
C1 adjective /ˈnæv.ɪ.ɡə.bəl/

Navigable

可航行的
Meaning
suitable for ships or boats to travel on; able to be navigated
Example
The river is navigable for small boats during the rainy season.
这条河在雨季适合小船通行。
C2 noun /ɪɡˈzɔːrbɪtəns/

exorbitance

过度
Meaning
The quality of being excessive, unreasonable, or going beyond proper limits.
Example
The exorbitance of the hotel's prices shocked the tourists.
酒店价格的过度让游客们震惊。
C1 verb /ˈkwɪvər/

quiver

颤抖
Meaning
To tremble or shake with slight but rapid motion.
Example
Her lips began to quiver as she tried not to cry.
她的嘴唇开始颤抖，因为她试图不哭。
A1 verb /faɪnd/

find

找到
Meaning
to discover or locate something that was lost or hidden
Example
I can't find my keys anywhere.
我在哪儿都找不到我的钥匙。
B2 noun kənˈsen.səs

consensus

共识
Meaning
A general agreement among all members of a group.
Example
Consensus was reached after long deliberation.
经过长时间的讨论，达成了共识。
C2 noun brəˈvɑː.dəʊ

bravado

虚假的勇气或信心
Meaning
Show of courage or confidence that is not real.
Example
His bravado masked his nervousness before the performance.
他的虚张声势掩盖了他在表演前的紧张情绪。
B2 verb /ɪˈlɛkt/

elect

选举
Meaning
To choose someone for a position or office by voting.
Example
The citizens elected a new president.
公民选举了新总统。
C2 verb /fɪˈlɒs.ə.faɪz/

philosophize

哲学
Meaning
to think or talk about the fundamental nature of knowledge, reality, and existence
Example
He likes to philosophize about life and its meaning.
他喜欢谈论生活及其意义。
C2 adjective /eɪˈrɪðmɪk/

arrhythmic

心律不齐
Meaning
Lacking a regular rhythm or beat.
Example
The patient had an arrhythmic heartbeat.
病人的心跳不规律。
B1 noun /ˈjuːnɪvɜːrs/

Universe

宇宙
Meaning
all existing matter and space; the cosmos
Example
Scientists study the universe to understand its mysteries.
科学家研究宇宙，以理解它的奥秘。
B2 noun /ˈpesɪˌmɪzəm/

pessimism

悲观主义
Meaning
A tendency to see the worst aspect of things or believe the worst will happen.
Example
Her constant pessimism made it hard to stay optimistic.
她的悲观主义让保持乐观变得很困难。
B1 noun /ˈtiːspuːn/

teaspoon

幸福
Meaning
a small spoon used for stirring drinks or eating soft foods, or for measuring small amounts of ingredients.
Example
Add a teaspoon of sugar to the tea.
她在收到奖项时无法掩饰自己的幸福。
C2 verb /kwɒf/

quaff

一口喝下
Meaning
to drink something heartily or in large gulps, especially an alcoholic drink
Example
He quaffed a mug of ale after the long day.
他在长时间工作后，一口气喝完了一杯啤酒。
C1 adjective ɪkˈskwɪzɪt

exquisite

精致
Meaning
Extremely beautiful and delicate.
Example
The exquisite craftsmanship of the watch made it a collector's item.
这只手表的精美工艺使其成为收藏品。
A2 noun /ˌʌndərˈstændɪŋ/

understanding

理解
Meaning
the ability to grasp the meaning, significance, or nature of something
Example
Her understanding of the issue was impressive.
她对这个问题的理解令人印象深刻。
C1 verb /pɜːrdʒ/

purge

清除
Meaning
To remove unwanted feelings, people, or things; to cleanse or purify.
Example
The new leader promised to purge corruption from the government.
新领导承诺清除政府中的腐败。
C2 adjective /ˌpɛrənˈθɛtɪkəl/

parenthetical

括号中的评论
Meaning
Relating to or expressed in parentheses; a side remark or digression.
Example
He added a parenthetical comment during the lecture.
他在讲座期间添加了一个括号中的评论。
B1 noun /hjuːˈmænɪti/

humanity

人性
Meaning
the quality of being human; kindness or compassion towards others; all human beings collectively
Example
Kindness is one of the greatest expressions of humanity.
善良是人性最伟大的表现之一。
B2 verb /rɪˈzaɪd/

reside

居住
Meaning
to live or dwell in a particular place
Example
They reside in a large house near the river.
他们住在河边的一座大房子里。
B2 verb /fraʊn/

frown

皱眉
Meaning
to wrinkle one's brow in displeasure or concentration
Example
She frowned when she heard the bad news.
她听到坏消息时皱起了眉头。
C1 noun /ɪˈmiːdiəsi/

immediacy

即时性, 紧迫感
Meaning
The quality of bringing one into direct and instant involvement with something, giving rise to a sense of urgency or excitement.
Example
The immediacy of digital communication has reshaped business operations.
数字通信的即时性已经改变了商业操作。
A1 verb /fɔːl/

fall

掉落
Meaning
to drop down from a higher place; to decrease; to happen or occur
Example
The leaves fall from the trees in autumn.
秋天，树叶从树上掉下来。
C2 adjective /ˈrɛɡnənt/

regnant

在位
Meaning
Reigning; currently holding power, authority, or dominance.
Example
The regnant queen introduced several reforms during her reign.
在位的女王在她的统治期间进行了几项改革。
C1 adjective /ˈbɔɪstərəs/

boisterous

喧闹
Meaning
noisy, energetic, and cheerful; rowdy
Example
The children were boisterous during the birthday party.
孩子们在生日派对上很喧闹。