pervasive
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
C1 adjective /pərˈveɪsɪv/

pervasive

普遍的
Meaning
Existing in or spreading through every part of something
Example
Pervasive technology has become a fundamental part of daily life.
普遍的技术已成为日常生活的重要组成部分。
B2 noun

Kitchen garden

厨房花园; 厨房旁边的花园
C1 noun /ˈæmfɪˌθiətər/

amphitheater

圆形剧场
Meaning
A large open circular or oval building with rising tiers of seats, used for public events.
Example
The concert was held in an ancient amphitheater.
音乐会在一个古老的圆形剧场举行。
C1 verb /daɪˈvɜːrdʒ/

diverge

分歧
Meaning
to separate and go in different directions; to differ
Example
The two paths diverge at the fork in the road.
这两条路在路口分开。
A1 noun/verb /pɛn/

pen

幸福
Meaning
A writing instrument using ink; also, to write something.
Example
She used a pen to sign the document.
她在收到奖项时无法隐藏她的幸福。
C1 noun /ˈfiːtəs/

fetus

胎儿
Meaning
an unborn or unhatched offspring in the womb or egg
Example
The doctor explained the development of the fetus during pregnancy.
医生解释了胎儿在怀孕期间的发展。
B2 noun /ˈmærəθən/

marathon

马拉松
Meaning
a long-distance running race, typically 42.195 kilometers (26.2 miles)
Example
She completed the marathon in under four hours.
她在不到四小时内完成了马拉松。
C1 adjective /ˈlɪvɪd/

livid

愤怒的
Meaning
Extremely angry; furious.
Example
She was livid when she found out about the betrayal.
当她发现背叛时,她愤怒不已。
C2 adjective /ɪnˈklɛmɛnt/

inclement

恶劣天气
Meaning
unpleasantly cold, wet, or stormy (usually weather)
Example
The match was canceled due to inclement weather.
比赛因恶劣天气被取消了。
C2 adjective /ʌnˈtiːtʃəbəl/

unteachable

不可教的
Meaning
not able or willing to learn; resistant to instruction or guidance
Example
He was so stubborn that he became almost unteachable.
他非常固执,几乎变得不可教。
B2 verb /ˈtɑːləreɪt/

tolerate

容忍
Meaning
to accept or endure something unpleasant without complaining; to allow something to exist
Example
I cannot tolerate such rude behavior in my classroom.
我不能容忍在我的课堂上出现如此粗鲁的行为。
A2 noun ˈprəʊɡres

progress

进步
Meaning
Forward or onward movement towards a destination or a more advanced state.
Example
Progress in recycling technologies can tackle pollution.
回收技术的进步可以应对污染。
B2 adjective /ˈfʌŋkʃənl/

functional

功能性
Meaning
designed to be practical and useful, rather than just decorative
Example
The design of the chair is simple but highly functional.
椅子的设计简单,但非常实用。
C2 verb /ɪˈfeɪs/

efface

抹去
Meaning
To erase or wipe out something; to make oneself inconspicuous.
Example
Time had effaced the letters on the old gravestone.
时间已经抹去了旧墓碑上的字母。
C1 verb /ˌkaʊntərˈbæləns/

counterbalance

抵消
Meaning
to offset or balance the effect of something
Example
Exercise can counterbalance the negative effects of stress.
运动可以抵消压力的负面影响。
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。
C1 adjective /ˈmjuːtɪd/

muted

柔和的
Meaning
softened in sound, color, or effect; subdued
Example
The room was painted in muted shades of blue and grey.
房间用蓝色和灰色的柔和色调粉刷。
B2 noun /ˈfleɪvər/

flavor

味道
Meaning
The distinctive taste of a food or drink.
Example
This ice cream has a delicious mango flavor.
这款冰淇淋有美味的芒果味。
C2 adjective /ˈfiːbraɪl/

febrile

发烧的,激动的
Meaning
having or showing the symptoms of a fever; or highly excitable or agitated
Example
The patient was in a febrile state with high temperature.
患者处于高温状态下的发烧状态。
B2 noun /temp.ˈteɪ.ʃən/

Temptation

诱惑
Meaning
the desire to do something wrong or unwise; an urge to have or do something
Example
He resisted the temptation to eat the entire chocolate cake.
他抵抗了吃掉整块巧克力蛋糕的诱惑。
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 adverb /sɪnˈsɪrli/

sincerely

真诚地
Meaning
with genuine feelings; honestly and truly
Example
I sincerely hope you recover soon.
我真诚地希望你早日康复。
B2 noun /kəˈmiː.li.ən/

Chameleon

变色龙
Meaning
a lizard that can change color to match its surroundings
Example
The chameleon changed its color from green to brown.
变色龙将颜色从绿色变为棕色。
C1 noun /ɪnˈkɜːrʒən/

incursion

入侵
Meaning
A sudden attack or invasion into a place or territory.
Example
The army repelled the enemy incursion at the border.
军队在边境击退了敌人的入侵。
C2 noun /ˈkeɪ.tɪf/

caitiff

懦夫
Meaning
A contemptible or cowardly person.
Example
The knight despised the caitiff who betrayed his comrades.
骑士鄙视那个背叛同伴的懦夫。
C1 noun /ˈspɔɪlˌspɔːrt/

spoilsport

扫兴的人
Meaning
A person who ruins other people's enjoyment or fun.
Example
Don't be a spoilsport and let us enjoy the party.
不要做扫兴的人,放我们享受派对吧。
C1 noun /ˈtraɪæd/

triad

三合会
Meaning
a group of three closely related people or things
Example
The project was managed by a triad of experts.
该项目由一个三人专家小组管理。
C2 adjective /ɪnˈæpt/

Inapt

不合适; 不适当
Meaning
not suitable; inappropriate; unfit
Example
His comment was inapt for the formal meeting.
他的评论对正式会议不合适。
A2 adverb /əˈkrɒs/

Across

穿越
Meaning
from one side to the other side of something; in every part of a place
Example
The bridge stretches across the river.
这座桥横跨在河流上。
B2 noun /ˈvɜː.tʃuː/

Virtue

美德;道德;有用的品质
Meaning
behavior showing high moral standards; a good or useful quality of a thing
Example
Honesty is considered the highest virtue in many cultures.
诚实在许多文化中被认为是最高的美德。
C1 verb /dɪsˈɡrʌntl/

disgruntle

使不满
Meaning
to make someone dissatisfied or discontented
Example
The unfair treatment disgruntled the workers.
不公平的待遇使工人感到不满。
C2 verb /ˈpælieɪt/

palliate

缓解
Meaning
to make a disease, symptoms, or problem less severe without removing the cause
Example
The doctor prescribed medicine to palliate the patient's pain.
医生开药来缓解病人的疼痛。
B2 noun /ˈloʊ.təs/

Lotus

莲花
Meaning
a large water flower that floats on the surface of ponds and lakes
Example
The lotus flower blooms beautifully in the quiet pond.
莲花在宁静的池塘中美丽地绽放。
C1 adjective /ˌpæθəˈdʒɛnɪk/

pathogenic

致病的
Meaning
Capable of causing disease.
Example
Some bacteria are harmless, while others are highly pathogenic.
有些细菌是无害的,而其他的则是高度致病的。
C2 noun /ˈsælvər/

salver

银托盘
Meaning
A tray, typically made of silver, used for serving food or drinks.
Example
The butler brought in the tea on a silver salver.
管家将茶水放在银托盘上端来。
C2 noun /rɪˈpæst/

repast

宴席
Meaning
A meal or the food eaten during a meal.
Example
They enjoyed a delicious repast by the riverside.
他们在河边享用了美味的宴席。
B2 verb /skoʊld/

scold

责骂
Meaning
to criticize angrily; to rebuke
Example
The teacher scolded the students for being late.
老师因为学生迟到而责骂他们。
C1 noun /ˈwiː.vər/

Weaver

织工
Meaning
a person who makes cloth by interlacing threads on a loom
Example
The skilled weaver created intricate patterns on the silk fabric.
熟练的织工在丝绸布料上创造了复杂的图案。
B1 noun /peɪs/

pace

步伐
Meaning
the speed at which something happens or is done
Example
She walked at a slow pace.
她走得很慢。
B2 verb /ˈdɒmɪneɪt/

dominate

主导
Meaning
to have power or control over something or someone
Example
The company dominates the smartphone market.
这家公司主导了智能手机市场。
A2 noun /piːs/

peace

和平
Meaning
a state of tranquility or quiet, freedom from disturbance
Example
They hope for peace in the region.
他们希望在该地区实现和平。
C1 noun /ˈkwɒn.dər.i/

Quandary

困境; 为难
Meaning
a difficult situation where you cannot decide what to do; dilemma
Example
She was in a quandary about which job offer to accept.
她在选择接受哪个工作机会时陷入了困境。
C2 adjective /ˌmɛtəˈlɜrdʒɪkəl/

metallurgical

冶金的
Meaning
Relating to metallurgy or the branch of science concerned with the properties of metals and their production.
Example
He studied metallurgical engineering at the university.
他在大学学习了冶金工程。
A1 verb, noun /tʃɛk/

check

检查
Meaning
To examine, inspect, or verify something; also a written order to a bank to pay money.
Example
Please check the report before submitting it.
请在提交之前检查报告。
C2 noun /ˈtɜːrməɡənt/

termagant

专横且脾气暴躁的女性
Meaning
A harsh-tempered or overbearing woman.
Example
The character was portrayed as a loud and domineering termagant.
这个角色被描绘成一个大声且专横的特尔玛甘特女性。
C1 adjective /ʌnˈsəʊʃəbl/

unsociable

不合群的
Meaning
not enjoying the company of others; avoiding social interaction
Example
He became unsociable after moving to a new city.
搬到新城市后,他变得不合群。
B2 noun /kənˈspɪrəsi/

conspiracy

阴谋
Meaning
A secret plan by a group to do something unlawful or harmful.
Example
The police uncovered a conspiracy to overthrow the government.
警方揭露了一项推翻政府的阴谋。
C1 verb /ˌriːhəˈbɪlɪteɪt/

rehabilitate

Meaning
to restore someone to health, normal life, or a good condition after illness, injury, or imprisonment
Example
The clinic helps rehabilitate injured athletes.
B2 noun /prəˈvɪʒ.ən/

Provision

供给
Meaning
supplies of food and other necessary things; arrangement or preparation
Example
The government made provision for emergency supplies during the flood.
政府为洪水期间的紧急供应作出了安排。
B2 noun /taɪˈfuːn/

typhoon

台风
Meaning
a tropical storm in the region of the Indian or western Pacific oceans
Example
The typhoon caused severe flooding in the coastal areas.
台风在沿海地区造成了严重的洪水。
C1 noun /ˈæntlɚ/

antler

鹿角
Meaning
The branched horns on the head of a deer or similar animal, usually shed and regrown annually.
Example
The deer’s antlers grew larger each year.
鹿角每年都会变得更大。
C2 verb /bɪˈhuːvz/

behooves

有必要
Meaning
third person singular form of 'behoove'; means it is proper or necessary
Example
It behooves every citizen to follow the law.
每个公民都应该遵守法律。
B2 adjective /ˌæn.tiˈsoʊ.ʃəl/

Antisocial

反社会的;对社会秩序敌对
Meaning
avoiding social interaction; hostile to social order
Example
His antisocial behavior made it difficult for him to make friends.
他的反社会行为让他很难交到朋友。
C2 noun /mɪf/

miff

小争执
Meaning
A petty quarrel or annoyance.
Example
They had a slight miff over the seating arrangement.
他们因座位安排发生了小小的争执。
B2 noun /ɪnˈspɛktər/

inspector

检查员
Meaning
An official employed to ensure regulations are obeyed or standards are met.
Example
The inspector carefully checked the restaurant's kitchen for hygiene standards.
检查员仔细检查了餐厅的厨房是否符合卫生标准。
C1 verb /ˌdɪsəˈlaʊ/

disallow

不允许
Meaning
to refuse to allow or accept something
Example
The referee disallowed the goal for offside.
裁判因为越位取消了进球。
C2 adjective /ˈhæŋ.dɔːɡ/

hangdog

尴尬
Meaning
looking or feeling ashamed, guilty, or defeated.
Example
He gave me a hangdog look after being caught lying.
他在被抓到撒谎后,给了我一个尴尬的表情。
C2 noun /hɜːrˈbɛəriəm/

herbarium

植物标本馆
Meaning
A collection of preserved plant specimens and associated data used for scientific study.
Example
The university maintains a large herbarium for research and education.
大学为研究和教育保持着一个大型植物标本馆。
C1 noun ˌɪnfɛsˈteɪʃən

infestation

侵扰, 在某个地方出现异常大量的昆虫或动物
Meaning
The presence of an unusually large number of insects or animals in a place, causing damage or disease.
Example
The infestation of ants in the kitchen led to immediate pest control measures.
厨房里蚂蚁的侵扰导致了立即采取害虫控制措施。
C2 verb /bɪˈkɑːm/

becalm

平静
Meaning
to make calm or still; to deprive a sailing vessel of wind
Example
The captain tried to becalm the anxious crew.
船长试图安抚焦虑的船员。
B2 adjective /ˌfjuːtʃəˈrɪstɪk/

futuristic

未来主义的
Meaning
Having or involving very modern technology or design that is advanced beyond what is currently available
Example
Futuristic technologies are transforming industries worldwide.
未来主义技术正在改变全球的行业。
C2 noun /fɔːrˈbɛrəns/

forbearance

宽容
Meaning
Patient self-control; restraint and tolerance, especially in difficult situations.
Example
She showed remarkable forbearance during the heated argument.
她在激烈的争论中表现出了非凡的宽容。
C1 adjective /ɪnˈtɛlɪdʒəbl/

intelligible

Meaning
Able to be understood; clear enough to be comprehended.
Example
Her speech was barely intelligible over the noise.
A2 adjective /ɪnˈtɛlɪdʒənt/

intelligent

聪明的
Meaning
Having or showing high mental capacity, quick to learn and understand.
Example
She is one of the most intelligent students in the class.
她是班上最聪明的学生之一。
B1 adverb /ˈtɛmpərɛrɪli/

temporarily

临时地
Meaning
for a limited time; not permanently
Example
The road is closed temporarily for repairs.
道路因维修而暂时关闭。
B1 noun, verb /ʃeɪd/

shade

Meaning
a sheltered or darker area where direct light is blocked; to block light from something
Example
We sat under the tree for some shade.
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 /ˌdaɪəɡˈnoʊsɪs/

diagnosis

Meaning
The identification of a disease, condition, or problem through examination of symptoms.
Example
The diagnosis confirmed that she had diabetes.
B2 noun /ˌmɒdəˈreɪʃən/

moderation

Meaning
The avoidance of excess or extremes; keeping balance or within reasonable limits.
Example
He drinks wine in moderation.
A2 noun /ɡəˈrɑːʒ/

Garage

车库
Meaning
a building or space for housing a motor vehicle; a commercial establishment for repairing motor vehicles
Example
He parked his car in the garage to protect it from the hailstorm.
他把车停在车库里,以保护它免受冰雹袭击。
C1 verb /ɪnˈkɑːrsəreɪt/

incarcerate

监禁
Meaning
to imprison or confine someone
Example
The authorities incarcerated the criminal after the trial.
当局在审判后将罪犯监禁。
A2 noun /ˈsɪriz/

Series

系列
Meaning
a number of events, objects, or people of a similar or related kind coming one after another; a set of related television or radio programmes
Example
The detective series ran for five successful seasons.
这部侦探系列剧播出了五季并取得了成功。
C2 noun/verb /ˈsʌkər/

succor

帮助
Meaning
Assistance and support in times of hardship or distress.
Example
The charity provided succor to the flood victims.
慈善机构为洪水受害者提供了帮助。
A1 noun /saɪd/

side

旁边
Meaning
a position to the left or right of something
Example
The store is on the side of the road.
商店位于路的旁边。
B1 noun ɡlæns

glance

Meaning
A quick or brief look.
Example
He glanced at the river and felt calm.
他看了看河流,感到平静。
B2 noun /ˈɔr.fən/

Orphan

孤儿
Meaning
a child whose parents are dead; someone without protective support
Example
The orphan was adopted by a loving family.
孤儿被一户充满爱心的家庭收养了。
C1 verb /əˈkwɪt/

acquit

宣告无罪
Meaning
to declare someone not guilty of a criminal charge; to conduct oneself in a specified way
Example
The jury decided to acquit the defendant of all charges.
陪审团决定将被告从所有指控中无罪释放。
B2 noun /ˈswiː.pər/

Sweeper

扫地工
Meaning
a person whose job is to clean floors and streets by sweeping
Example
The sweeper cleaned the school corridor every morning.
扫地工每天早上清扫学校的走廊。
C1 noun /ˈplez.ən.tri/

Pleasantry

客套话
Meaning
a remark made in order to be polite or friendly; light conversation or jokes
Example
They exchanged pleasantries before the meeting began.
他们在会议开始前交换了客套话。
B2 verb ɪmˈpoʊz

imposes

强加
Meaning
To establish or apply by authority; to force something unwelcome or unfamiliar to be accepted or put in place.
Example
Pollution imposes harmful effects on the environment.
污染对环境施加了有害的影响。
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。
A1 verb /lɜːrn/

learn

学习
Meaning
to acquire knowledge or skills; to gain understanding
Example
Children learn quickly when they are interested.
孩子们在感兴趣时很快学习。
B2 noun /stjuːˈpɪdəti/

stupidity

愚蠢
Meaning
lack of intelligence or common sense
Example
His stupidity caused a lot of problems for the team.
他的愚蠢给团队带来了很多问题。
C2 noun /ˌvælɪˈdɪkʃən/

valediction

告别辞
Meaning
The act of saying farewell; a formal goodbye.
Example
The professor gave a touching valediction at his retirement ceremony.
教授在退休仪式上发表了感人的告别辞。
B2 adjective; verb (past participle) /ˈɒkjʊpaɪd/

occupied

被占用的;被占领的
Meaning
being in use or taken; filled or lived in; controlled or held by force
Example
The room is occupied, so please wait outside.
房间被占用,请在外面等候。
A1 noun/adjective /saʊθ/

south

南方
Meaning
the direction towards the bottom of a map, opposite to north
Example
The sun rises in the east and sets in the south.
太阳从东方升起,西方落下。
C1 noun /ˈbaɪ.lɔː/

by-law

地方性法规
Meaning
A rule made by a company, organization, or local authority to control the actions of its members.
Example
The city council passed a new by-law regulating street vendors.
市议会通过了一项新的地方法规,规范街头小贩。
B2 adjective /əˈlɛdʒd/

alleged

涉嫌的
Meaning
said or thought to be true, but not proven
Example
The alleged thief was caught by the police.
涉嫌的窃贼被警方抓获。
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.
A2 noun /ˈbʊkɪŋ/

booking

预订
Meaning
the act of reserving accommodations, tickets, etc.
Example
I made a booking for a hotel room in advance.
我提前预定了一个酒店房间。
C2 adjective /ænˈhaɪdrəs/

anhydrous

Meaning
Containing no water.
Example
The chemist used anhydrous ammonia for the experiment.
B1 verb /əbˈzɜːrv/

observe

观察
Meaning
to watch carefully; to notice or perceive something
Example
Scientists observe the behavior of animals in the wild.
科学家观察野生动物的行为。
B2 verb /ɪmˈbɑːrkɪŋ/

embarking

开始旅行
Meaning
Beginning a journey or enterprise.
Example
The group is embarking on a long journey.
小组正在开始一段长途旅行。
C1 noun /rɪˈpraɪ.zəl/

Reprisal

报复
Meaning
an act of retaliation; revenge taken for an injury or wrong
Example
The attack was carried out as a reprisal for the earlier bombing.
此次攻击是作为对早期爆炸事件的报复而进行的。
C1 noun /fɔːn/

Fawn

小鹿
Meaning
a young deer; a light yellowish-brown color
Example
The mother deer protects her fawn from predators.
母鹿保护她的小鹿免受掠食者的伤害。
C1 noun /ˈprɒfəsi/

prophecy

预言
Meaning
a prediction or message about the future, often believed to be divinely inspired
Example
The prophecy foretold the rise of a great leader.
预言预示着伟大领导者的崛起。
C2 noun /pəˈlɛmɪk/

polemic

激烈的抨击
Meaning
a strong verbal or written attack on someone or something
Example
The article was a fierce polemic against the government's policies.
这篇文章是对政府政策的激烈抨击。
C1 noun /ˈæmnəsti/

amnesty

赦免
Meaning
An official pardon granted to people who have been convicted of political offenses.
Example
The government announced an amnesty for all political prisoners.
政府宣布了对所有政治犯的赦免。
C1 verb /ɪkˈstɪŋ.ɡwɪʃ/

extinguish

熄灭
Meaning
to put out a fire, light, or to end something
Example
The firefighters managed to extinguish the blaze within an hour.
消防员在一个小时内成功扑灭了大火。
C1 noun /ˌloʊkəˈmoʊʃən/

locomotion

运动
Meaning
movement or the ability to move from one place to another
Example
Walking is the most common form of human locomotion.
走路是人类最常见的运动方式。
C1 verb /dɪˈluːd/

delude

欺骗
Meaning
To mislead someone into believing something that is not true.
Example
He deluded himself into thinking he could win the race without training.
他欺骗自己认为自己可以不训练就赢得比赛。
A1 noun /ɡɜːrl/

girl

女孩
Meaning
a female child or young woman
Example
The girl was playing with her friends in the park.
女孩正在和她的朋友们在公园里玩。
B2 adjective /mɪˈsteɪkən/

mistaken

错误的
Meaning
wrong or incorrect because of an error in judgment or understanding
Example
I was mistaken about the meeting time.
我对会议时间判断错了。
C2 noun /ˈkɪŋʃɪp/

kingship

王权
Meaning
The position, dignity, or authority of a king.
Example
The king’s advisors often reminded him of the responsibilities of kingship.
国王的顾问们经常提醒他王权的责任。
C1 noun /ɪnˈsɜːrdʒəns/

insurgence

叛乱
Meaning
An act of rebellion or uprising against authority.
Example
The government struggled to contain the growing insurgence.
政府难以控制日益增长的叛乱。
B1 noun /ˈɡɑːr.lɪk/

Garlic

大蒜
Meaning
a strong-smelling pungent-tasting bulb, used as a flavoring in cooking and in herbal medicine
Example
The recipe calls for three cloves of fresh garlic to enhance the flavor.
本食谱需要三瓣新鲜大蒜以增强风味。
C2 noun /ˌræʃioʊsɪˈneɪʃən/

ratiocination

推理
Meaning
the process of reasoning or logical thinking
Example
His ratiocination impressed the judges during the debate.
他的推理在辩论中给裁判留下了深刻印象。
C1 noun /ˈrɛl.ɪk/

relic

遗物
Meaning
an object surviving from an earlier time, often of historical or religious interest
Example
The museum displayed relics from the ancient civilization.
博物馆展示了来自古代文明的遗物。
B2 noun /ˈwɜːrʃɪp/

Worship

崇拜
Meaning
the feeling or expression of reverence and adoration for a deity; religious devotion and practice
Example
They gather every Sunday for worship.
他们每个星期天都聚集在一起进行崇拜。
C1 noun ˈstræt.ə.sfɪər

stratosphere

平流层
Meaning
The layer of the earth's atmosphere above the troposphere, extending to about 50 km above the earth's surface.
Example
The stratosphere provides a unique environment.
平流层提供了一个独特的环境。
C1 noun /ˈfɔːr.tɪ.tjuːd/

fortitude

坚韧
Meaning
Courage in pain or adversity; mental and emotional strength in facing difficulty.
Example
She faced adversity with great fortitude.
她以巨大的勇气面对困境。
C1 verb /ɪnˈfjʊərieɪt/

infuriate

激怒
Meaning
To make someone extremely angry.
Example
His careless remarks infuriated the entire team.
他的不小心评论让整个团队生气。
C2 noun əˈkjuː.ə.ti

acuity

敏锐度
Meaning
Sharpness or keenness of thought, vision, or hearing.
Example
His intellectual acuity made him a brilliant scientist.
他的智力敏锐度使他成为一位杰出的科学家。
A1 verb /sel/

sell

Meaning
to give something to someone in exchange for money
Example
They sell fresh fruits at the market.
他们在市场上卖新鲜的水果。
B2 noun /səˈlɪsɪtər/

solicitor

律师
Meaning
A type of lawyer who gives legal advice and prepares legal documents, often representing clients in lower courts.
Example
She consulted a solicitor before signing the contract.
她在签署合同之前咨询了律师。
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。
B2 adjective /əˈsɜːr.tɪv/

Assertive

果断的; 自信的
Meaning
confident and forceful; having a strong personality
Example
She is very assertive when speaking in meetings.
她在会议中发言时非常果断。
B1 noun /ˈmem.bə.ʃɪp/

membership

会员资格
Meaning
The state of belonging to or being part of an organization or group.
Example
The country's membership in the organization marked 50 years.
该国在该组织中的会员资格已满50年。
C1 noun /ˈsteɪ.ʃən.ər/

Stationer

文具商
Meaning
a person who sells paper, pens, pencils, and other office supplies
Example
The stationer recommended the best pens for writing exams.
文具商推荐了最适合考试的钢笔。
C1 adjective /ɪˈklɛktɪk/

eclectic

折衷的
Meaning
Selecting or deriving ideas, styles, or tastes from a broad and diverse range of sources.
Example
Her taste in music is eclectic, ranging from classical to hip-hop.
她的音乐口味是折衷的,从古典到嘻哈。
B2 noun /ˌɛvəˈluːʃən/

evolution

进化
Meaning
the gradual development of something, especially from a simple to a more complex form
Example
The theory of evolution explains how species change over time.
进化论解释了物种如何随着时间变化。