Glassy fish
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C2 noun /ˈɡlæsi fɪʃ/

Glassy fish

玻璃鱼
Meaning
a transparent freshwater fish with a glassy appearance, popular in aquariums
Example
The glassy fish is known for its transparent body and peaceful nature.
玻璃鱼以其透明的身体和温和的性格而闻名。
C1 verb /ˈfɔːrtɪˌfaɪ/

fortify

加强
Meaning
To strengthen a place, person, or thing physically or mentally.
Example
They fortified the city walls to protect against invasion.
他们加固了城市的墙壁，以防止入侵。
A2 adjective /ˈsʌn.i/

Sunny

阳光明媚的; 乐观的
Meaning
bright with sunlight; cheerful and optimistic
Example
It's a beautiful sunny day perfect for a picnic.
这是一个美丽的阳光明媚的日子，适合野餐。
B1 noun /blæk ˈpep.ər/

Black Pepper

黑胡椒
Meaning
a hot-tasting spice made from dried peppercorns, widely used for seasoning food
Example
Season the steak with salt and freshly ground black pepper.
用盐和新磨碎的黑胡椒调味牛排。
C1 adjective /ˈtɪp.tɒp/

Tiptop

极好的；一流的
Meaning
of the highest quality; excellent; in perfect condition
Example
The car is in tiptop condition.
这辆车处于极好的状态。
C1 noun /sərˈveɪər/

surveyor

测量员
Meaning
A person who measures and maps land, buildings, or other features.
Example
The surveyor measured the land for construction.
测量员为建设测量了土地。
A2 verb /ˈvɪzɪtɪŋ/

visiting

拜访
Meaning
Going to see and spend time with someone or at a place.
Example
The group is visiting islands during the expedition.
小组在远征期间访问岛屿。
B2 noun /θɛft/

theft

偷竊
Meaning
the action or crime of stealing
Example
The theft of his wallet was reported to the police.
他的錢包被報告給警方。
B2 verb /rɪˈzuːm/

resume

重新开始
Meaning
to start again after a pause or interruption
Example
We will resume the meeting after lunch.
我们将在午餐后继续会议。
C1 noun /ˈstɛə.rɪ.əʊˌtaɪ.pɪŋ/

stereotyping

刻板印象
Meaning
A widely held but fixed and oversimplified image or idea of a particular type of person or thing.
Example
Stereotyping people based on their race is harmful.
基于种族的刻板印象是有害的。
B2 noun /ˈprɒs.pekts/

prospects

前景
Meaning
The possibility or likelihood of some future event occurring.
Example
The prospects for growth look promising.
增长的前景看起来很有前途。
A1 numeral /fɔːr/

four

四
Meaning
The number equivalent to the sum of two and two; one more than three.
Example
She has four books on her desk.
她的桌子上有四本书。
B2 noun ˌkætəˈstrɒfɪk ɪˈvents

catastrophic events

灾难性事件
Meaning
Extremely destructive or damaging events that cause widespread devastation.
Example
Cyclones are catastrophic events in Bangladesh.
气旋是孟加拉国的灾难性事件。
B2 noun /er/

Heir

继承人
Meaning
a person legally entitled to the property or rank of another on that person's death
Example
The young prince was the rightful heir to the throne and would become king someday.
年轻的王子是合法的王位继承人，将来有一天会成为国王。
C1 verb /əˈkrɛdɪt/

accredit

认证
Meaning
to officially recognize, authorize, or approve someone or something
Example
The university is accredited by the national education board.
大学已经获得了国家教育委员会的认证。
C2 noun /ˈrɛvəlri/

revelry

庆典
Meaning
Lively and noisy festivities, especially involving drinking and dancing.
Example
The sound of revelry could be heard throughout the night.
整晚都能听到庆典的声音。
C1 verb /kəˈmɛmɔˌreɪt/

commemorate

纪念
Meaning
To honor and remember someone or something through a ceremony or action.
Example
The statue was built to commemorate the fallen heroes.
这座雕像是为了纪念牺牲的英雄而建造的。
C1 noun /ˌɛksɪˈkjuːʃənər/

executioner

刽子手
Meaning
A person who carries out a death sentence by execution.
Example
The executioner prepared the gallows for the condemned prisoner.
刽子手为被定罪的囚犯准备了绞刑架。
C2 verb /ˌdɛlɪˈkwɛs/

deliquesce

通过吸收空气中的水分变为液体
Meaning
to become liquid by absorbing moisture from the air
Example
The salt began to deliquesce after being left in the humid room.
盐开始在潮湿的房间里变成液体。
A1 adjective /fjuː/

few

少数
Meaning
A small number of; not many.
Example
Only a few students attended the class.
只有少数学生参加了课堂。
B2 noun /ˈbrɔːdˌkæstər/

broadcaster

广播员
Meaning
a person or organization that transmits a broadcast program.
Example
The broadcaster aired the match live to millions of viewers.
广播员将比赛实时转播给数百万观众。
C2 noun /raɪm/

rime

霜
Meaning
frost formed on cold surfaces by freezing water vapor
Example
The trees were covered with a white rime after the cold night.
树木在寒冷的夜晚后被白色霜覆盖。
C2 noun /moʊt/

mote

尘埃
Meaning
A tiny particle or speck, especially of dust.
Example
A mote of dust floated in the sunlight.
一颗尘埃在阳光下飘浮。
B1 verb /mɛlt/

melt

融化
Meaning
to change from solid to liquid due to heat; to disappear gradually
Example
The ice melted in the sun.
冰在太阳下融化了。
C1 noun /kɔːr/

corps

军队分支，团队
Meaning
a branch of the military or a group organized for a specific purpose
Example
He joined the army corps after graduation.
他在毕业后加入了军队分支。
C1 adjective /tɛk ˈdrɪv.ən/

tech-driven

技术驱动
Meaning
Powered or guided by technology; dependent on technological advancement for operation.
Example
The agricultural sector is becoming more tech-driven for higher efficiency.
农业部门越来越依赖技术以提高效率。
C2 noun /ˈkoʊ.tə.ri/

coterie

一个小型的、排外的团体
Meaning
a small, exclusive group of people with shared interests
Example
He belonged to a coterie of artists who met every Friday.
他属于一个每周五见面的艺术家团体。
B1 noun /bend/

Bend

弯曲; 转弯
Meaning
a curved or angled part of something; a turning point in a road or river
Example
There is a sharp bend in the river ahead.
前方河流有一个急转弯。
A2 verb /kəˈlɛkt/

collect

收集
Meaning
to gather together; to accumulate items
Example
I collect stamps as a hobby.
我把收集邮票作为一种爱好。
A1 noun /ˈbɛdruːm/

bedroom

卧室
Meaning
A room used for sleeping in.
Example
The children were playing in the bedroom.
孩子们正在卧室里玩耍。
B1 adjective /ɪnˌvaɪrənˈmɛntl/

environmental

环境的
Meaning
relating to the natural world and the impact of human activity on its condition
Example
The company adopted new policies to reduce environmental damage.
公司采取了新的政策以减少环境损害。
A2 adverb /jet/

Yet

直到现在; 还;
Meaning
up to now or a specified time; still; however; nevertheless
Example
He hasn't finished his homework yet.
他还没有完成作业。
A1 adjective, adverb /əˈloʊn/

alone

孤单
Meaning
having no one else present; on one's own
Example
She prefers to live alone in her apartment.
她更喜欢独自一人在她的公寓里生活。
C2 noun/verb /ɡəˈfɔː/

guffaw

大笑
Meaning
a loud and boisterous laugh
Example
The audience guffawed at the comedian’s joke.
观众因喜剧演员的笑话而大声笑。
C1 adjective /ˈwɪr.i.səm/

Wearisome

令人疲倦的; 乏味且令人筋疲力尽的
Meaning
causing tiredness; tedious; boring and exhausting
Example
The wearisome journey took twelve hours to complete.
这段令人疲倦的旅程花费了十二个小时。
C1 adjective /ˈliː.ni.ənt/

Lenient

宽容的; 宽大的; 仁慈的; 在处罚或判断中不严格
Meaning
tolerant; forgiving; merciful; not strict in punishment or judgment
Example
The teacher was lenient with students who submitted their homework late.
老师对那些迟交作业的学生宽容。
B2 noun /ˈpɑːs.tʃər/

Posture

幸福
Meaning
the position in which someone holds their body; a particular attitude or approach
Example
Good posture is important for preventing back pain.
当她收到奖项时，她无法掩饰自己的幸福。
C2 verb /bɪˈstraɪd/

bestride

跨越
Meaning
To sit or stand astride something; to dominate over.
Example
The statue bestrides the city square.
这座雕像横跨城市广场。
C1 noun/verb mælˈfʌŋk.ʃən

malfunction

故障
Meaning
A failure to function normally or satisfactorily; a defect or breakdown.
Example
The engine malfunctioned due to overheating.
发动机因过热而发生故障。
B2 noun /ˈbjʊəroʊ/

bureau

办事处/机构
Meaning
An office or agency that provides services or manages specific duties.
Example
The travel bureau helped them plan their vacation.
旅游局帮助他们规划假期。
C1 adjective /ɪmˈpɛndɪŋ/

impending

即将来临
Meaning
about to happen soon, usually something unpleasant or threatening
Example
The villagers were worried about the impending flood.
村民们为即将来临的洪水感到担忧。
A1 noun /ˈnʌmbər/

number

号码
Meaning
a mathematical value used to count, measure, or label
Example
She gave me her phone number.
她给了我她的电话号码。
C1 noun ɪmˈpɛə(r)mənt

impairment

损伤, 残疾
Meaning
The state of being damaged or weakened; a disability or handicap.
Example
Hearing impairment can be caused by long-term exposure to loud noise.
听力损失可能是由长时间暴露于大声噪音造成的。
C1 noun /hjuː/

hue

颜色
Meaning
A color or shade.
Example
The artist chose a soft blue hue for the background.
艺术家为背景选择了柔和的蓝色。
C2 noun /ˈpiːən/

paean

颂歌
Meaning
A song or piece of writing expressing great praise or triumph.
Example
The article was a paean to the beauty of nature.
这篇文章是对大自然美丽的颂歌。
C2 noun /ɪmp/

imp

小顽皮精灵
Meaning
a small mischievous devil or sprite; a playful troublemaker
Example
The child was acting like a little imp, hiding his toys everywhere.
那个孩子像一个小顽皮精灵，四处藏玩具。
C2 verb /ˈwaŋɡl/

wangle

通过巧妙手段获得某物
Meaning
To achieve something by clever or sometimes dishonest persuasion or trickery.
Example
He wangled a free ticket to the concert.
他通过巧妙手段获得了免费的音乐会票。
C2 noun /əˈsɜːrbəti/

acerbity

尖刻
Meaning
bitterness or sharpness of tone, manner, or taste
Example
The acerbity of his remarks left everyone silent.
他评论的尖刻让所有人都沉默了。
C1 noun ziːl

zeal

热情
Meaning
Great energy or enthusiasm in pursuit of a cause or objective; passion.
Example
She approached the project with great zeal and determination.
她以极大的热情和决心开始了这个项目。
B2 adjective /rɪˈflektɪv/

Reflective

反射的; 沉思的; 能反射光或图像
Meaning
thoughtful; contemplative; able to reflect light or images
Example
After the meeting, he was in a reflective mood.
会议后，他处于沉思的状态。
B1 noun /ˈpɑr.səl/

Parcel

包裹; 土地块
Meaning
an object or collection of objects wrapped in paper for carrying or sending by mail; a piece of land
Example
The postman delivered a parcel to our door.
邮递员把包裹送到我们门口。
C1 noun /ˈtrɪp.lət/

triplet

三胞胎
Meaning
One of three children or animals born at the same time to the same mother.
Example
The family was surprised to have triplets instead of twins.
这个家庭很惊讶他们有三胞胎而不是双胞胎。
B2 adverb /ˈkɒnsɪkwəntli/

consequently

因此
Meaning
as a result; therefore
Example
He didn’t study, and consequently he failed the exam.
他没有学习，因此他没通过考试。
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 verb /dɪˈspɜːrs/

disperse

驱散
Meaning
To scatter or spread widely in different directions.
Example
The police used tear gas to disperse the crowd.
警方使用催泪瓦斯驱散人群。
C1 noun /ˈnɑːrsɪsɪst/

narcissist

自恋者
Meaning
A person who has an excessive interest in or admiration of themselves.
Example
Everyone avoided him because he was a narcissist.
每个人都避开他，因为他是一个自恋者。
C2 adjective /ˈrɛd.ələnt/

redolent

Meaning
having a strong pleasant smell; strongly reminiscent or suggestive of something
Example
The kitchen was redolent of spices and fresh herbs.
B1 verb /prəˈvaɪdɪd/

provided

提供的
Meaning
gave or supplied something that was needed
Example
The hotel provided free breakfast for all guests.
酒店为所有客人提供了免费早餐。
B1 noun /ˈspeʃəlɪst/

Specialist

专家
Meaning
a person who has specialized knowledge or training in a particular area; an expert
Example
She consulted a heart specialist about her condition.
她就自己的情况咨询了一位心脏专家。
B2 noun, verb /ˈblækmeɪl/

blackmail

敲诈
Meaning
the act of demanding money or advantage by threatening to reveal secrets; to force someone to act by using such threats
Example
He tried to blackmail her by threatening to reveal the documents.
他试图用威胁公布文件来敲诈她。
B2 adjective /əˈstɒnɪʃt/

astonished

震惊的
Meaning
feeling very surprised or amazed
Example
She was astonished by the magician's incredible trick.
她被魔术师不可思议的把戏震惊了。
B1 noun prəˈsiː.dʒər

procedure

程序
Meaning
An established or official way of doing something.
Example
Follow the procedure for accuracy.
按照程序进行以确保准确性。
C1 verb /rɪˈdrɛs/

redress

纠正
Meaning
to set right, remedy, or compensate for a wrong or grievance
Example
The company promised to redress the complaints of its customers.
公司承诺纠正客户的投诉。
A1 noun ˈlæŋɡwɪdʒ

language

语言
Meaning
A method of communication used by humans, consisting of spoken and written words structured in specific ways.
Example
Learning a new language can be exciting.
学习一门新语言可能会很兴奋。
C1 noun /ˈkleɪmənt/

claimant

索赔人
Meaning
a person who makes a claim, especially in a legal or financial context
Example
The claimant filed for compensation after the accident.
索赔人事故后申请赔偿。
B2 noun /ˈkiː.pər/

Keeper

守卫者; 看护人;
Meaning
a person whose job it is to guard or take care of something or someone; a goalkeeper
Example
The zoo keeper fed the animals every morning at eight o'clock.
动物园管理员每天早上八点喂食动物。
A1 pronoun /hɪm/

him

他
Meaning
Used to refer to a male person or animal already mentioned.
Example
I saw him at the park yesterday.
我昨天在公园看见了他。
C1 verb /snɪər/

sneer

嘲笑
Meaning
to smile or speak in a mocking or contemptuous way
Example
She sneered at his attempt to sing.
她嘲笑他的唱歌尝试。
B2 noun /ˌnəʊtɪfɪˈkeɪʃən/

notification

通知
Meaning
an official or formal notice or message informing someone of something; an alert delivered by a system or device
Example
You will receive a notification when your application is approved.
当你的申请被批准时，你会收到通知。
B2 adjective /ɪmˈper.ə.tɪv/

imperative

命令式
Meaning
Of vital importance; crucial; giving or expressing a command.
Example
It is imperative to address the climate crisis immediately.
必须立即解决气候危机。
C2 verb /rɪˈtrɛntʃ/

retrench

减少开支，裁员
Meaning
to reduce costs, spending, or staff to save resources
Example
The company had to retrench employees due to financial difficulties.
公司由于财务困难不得不裁员。
C2 verb /ɪˈmæskjʊleɪt/

emasculate

削弱
Meaning
To make someone weaker or less effective; to deprive of strength or vigor.
Example
The constant criticism emasculated his confidence.
不断的批评削弱了他的信心。
C1 noun /ɪkˈstræv.ə.ɡəns/

Extravagance

过度开支; 浪费
Meaning
lack of restraint in spending money; excessive expense
Example
The wedding celebration was criticized for its unnecessary extravagance.
婚礼庆典因不必要的奢华而受到批评。
C2 adjective /ˈɒkjʊlər/

ocular

眼科的
Meaning
Relating to the eye or vision.
Example
The patient was referred to a specialist for ocular treatment.
患者被转诊到眼科专家进行治疗。
C1 noun /ˈfɒdər/

fodder

饲料
Meaning
food for livestock such as cattle, horses, or sheep; also something considered of little value but used to supply a demand
Example
The farmer stored enough fodder for the cattle to last through winter.
农民储存了足够的饲料，以便牲畜能度过冬天。
B2 verb /ˈkɒm.plɪ.keɪt/

complicate

使复杂
Meaning
To make something more difficult or confusing.
Example
The new rules will only complicate the process.
新规则只会使这个过程更加复杂。
C2 adjective /ˈtaɪmwɔːrn/

timeworn

被时间磨损
Meaning
Worn or impaired by age; old and used many times.
Example
The timeworn house carried a sense of history and nostalgia.
被时间磨损的房子带着历史和怀旧的感觉。
A1 noun /ˈkæm.rə/

camera

Meaning
a device used for taking photographs or recording videos
Example
She bought a new camera for her photography class.
C1 noun /ˌtrɛpɪˈdeɪʃən/

trepidation

忧虑
Meaning
a feeling of fear or anxiety about something that may happen
Example
She opened the letter with some trepidation.
她带着一些忧虑打开了信件。
B1 noun /ˈæŋɡl/

angle

角度
Meaning
The space between two intersecting lines or surfaces at the point where they meet.
Example
The teacher explained how to measure an angle in geometry.
老师解释了如何在几何学中测量角度。
C2 adjective/noun /ˌhaɪərəˈɡlɪfɪk/

hieroglyphic

象形文字的
Meaning
Relating to or written in hieroglyphs; symbols or writing that is difficult to understand.
Example
The archaeologists studied the hieroglyphic inscriptions carefully.
考古学家仔细研究了象形文字铭文。
B2 noun /ˈpæm.flət/

pamphlet

宣传册
Meaning
a small booklet or brochure containing information or arguments about a subject
Example
The health department distributed a pamphlet about nutrition.
卫生部门分发了关于营养的宣传册。
A1 verb /pliːz/

please

使愉快
Meaning
to make someone happy or satisfied; used as a polite request
Example
His performance pleased the audience.
他的表现让观众感到满意。
B2 noun ˈɪnər strɛŋkθ

inner strength

内在力量
Meaning
Mental or spiritual power that helps a person cope with difficulties.
Example
Community service fosters inner strength in individuals.
社区服务促进了个人的内在力量。
B2 noun /ˈməʊtərɪst/

motorist

驾驶员
Meaning
a person who drives a motor vehicle, especially a car or motorcycle
Example
The motorist stopped to help after seeing the accident on the highway.
驾驶员在高速公路上看到事故后停下来帮忙。
C2 noun /sɒmˈnæmbjʊlɪst/

somnambulist

嗣眠者
Meaning
A person who sleepwalks.
Example
The somnambulist wandered out of the house at night.
嗣眠者晚上走出屋外。
B1 noun /ˈvæl.i/

Valley

山谷
Meaning
a low area of land between hills or mountains
Example
The green valley stretched for miles between the mountains.
绿色的山谷在山脉之间延伸了好几英里。
C2 noun /ˈmɛtəl/

mettle

勇气
Meaning
A person's ability to cope well with difficulties or to face demanding situations with courage.
Example
The young athlete showed his mettle in the final match.
这位年轻的运动员在决赛中展示了他的勇气。
B2 adjective; verb (past and past participle) /lɜːrnd/

learned

博学的
Meaning
having acquired much knowledge through study; gained knowledge or skill through experience or teaching
Example
She is a learned scholar with deep knowledge of history.
她是一位对历史有深厚了解的博学学者。
A2 verb /fərˈɡɪv/

forgive

原谅
Meaning
to stop feeling angry or resentful toward someone; to pardon
Example
She decided to forgive him for his mistakes.
她决定原谅他因为他的错误。
A1 pronoun /ˈɛniwʌn/

anyone

某人
Meaning
any person at all; used to refer to an unspecified person
Example
Does anyone know the answer to this question?
有人知道这个问题的答案吗？
C1 noun /ɪnˈdʒʌŋkʃən/

injunction

禁令
Meaning
A judicial order restraining a person from an action or compelling a certain act.
Example
The court issued an injunction to stop the company from polluting the river.
法院发布了一项禁令，阻止公司污染河流。
C1 adjective,noun /kənˈtɪn.dʒənt/

contingent

取决于 / 队伍
Meaning
dependent on something else; a group of people representing an organization
Example
Attendance is contingent on prior registration. / A contingent of students attended the conference.
出席取决于事先注册。 / 一个学生代表团参加了会议。
B1 noun /ˈkɛmɪstri/

chemistry

化学
Meaning
the branch of science that studies substances and their interactions; also the emotional connection between people
Example
They have great chemistry and work well together.
他们之间有很好的化学反应，工作默契。
C2 noun /ˌsɪmjʊˈleɪkrəm/

simulacrum

拟像
Meaning
an image or representation of someone or something; a superficial likeness
Example
The statue was only a simulacrum of the ancient god.
这座雕像仅仅是古代神灵的拟像。
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 adjective /ˌmel.ənˈkɒl.ɪk/

Melancholic

悲伤和沉思；感受或表达悲伤
Meaning
sad and thoughtful; feeling or expressing sadness
Example
The melancholic music made everyone feel sad.
忧郁的音乐让每个人都感到悲伤。
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。
B2 noun/verb /skɔːrn/

scorn

Meaning
the feeling or expression of contempt or disdain; to treat with contempt
Example
She looked at him with open scorn.
C1 verb /priːˈɛmpt/

preempt

预防
Meaning
To take action in order to prevent something from happening; to take the place of something.
Example
The government acted quickly to preempt a financial crisis.
政府迅速采取行动，预防金融危机。
A2 noun /ɪksˈtʃeɪndʒ/

Exchange

交换
Meaning
an act of giving one thing and receiving another in return
Example
The exchange of gifts is a common tradition during the holidays.
节日期间互赠礼物是一个常见的传统。
B2 adjective /ʌnˈkɒmən/

uncommon

不常见
Meaning
rare, unusual, or remarkable
Example
It is uncommon to see snow in this region.
在这个地区看到雪是不常见的。
B2 adjective /ʌnˈbiːtən/

Unbeaten

不败的; 未被击败的
Meaning
not defeated; having never lost; undefeated
Example
The team remains unbeaten this season.
这个团队本赛季保持不败。
B2 noun ˌprɒd.ʌkˈtɪv.ɪ.ti

productivity

生产力
Meaning
The effectiveness of productive effort, especially in industry, as measured in terms of the rate of output per unit of input.
Example
Improved irrigation boosts productivity.
改进的灌溉提高了生产力。
C1 noun /pʌn/

pun

双关语
Meaning
A humorous use of words that suggests different meanings or words that sound alike.
Example
He made a clever pun about the bakery's bread rising.
他在面包店关于面包发酵的玩笑中巧妙地运用了双关语。
A2 noun ˈwɔː.nɪŋ

warning

警告
Meaning
A statement or event that indicates a possible or impending danger, problem, or other unpleasant situation.
Example
Warnings about rising temperatures demand urgent action.
关于上升温度的警告需要紧急行动。
C2 adjective /kəˈpeɪ.ʃəs/

Capacious

宽敞的; 大的; 宽阔的;
Meaning
having a lot of space inside; roomy and spacious
Example
The capacious hall can accommodate five hundred people.
这个宽敞的大厅可以容纳五百人。
C2 noun /ˈlɔːrdlɪŋ/

lordling

小领主
Meaning
A young or petty lord; someone of minor nobility.
Example
The arrogant lordling demanded respect despite his lack of experience.
那个傲慢的小领主尽管缺乏经验，仍要求尊重。
C2 noun /ˈhʌvəl/

hovel

Meaning
a small, poorly built, and dirty house
Example
The refugees lived in a makeshift hovel.
B2 noun /ˌvʌl.nər.əˈbɪl.ə.ti/

vulnerability

脆弱性
Meaning
The quality or state of being exposed to the possibility of being attacked or harmed.
Example
Addressing vulnerability is crucial for stability.
解决脆弱性对于稳定性至关重要。
C1 verb /dɪˈvɒlv/

devolve

移交
Meaning
To pass power, responsibility, or duties to another person or group.
Example
The responsibility will devolve on the new manager.
责任将转交给新经理。
C1 adjective /ˈprɛdəˌtɔri/

predatory

掠食者/剥削者
Meaning
Relating to animals that prey on others; exploiting or victimizing others for personal gain.
Example
The predatory bird swooped down on its prey.
掠食性鸟类扑向它的猎物。
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。
B2 noun /ˈbɒt.əl.nek/

bottleneck

瓶颈
Meaning
Narrow path or obstruction, a place or situation where flow becomes slow.
Example
The narrow bridge is a major bottleneck during rush hour.
窄桥在高峰期间是一个瓶颈。
A1 adjective /hɑːrd/

hard

困难
Meaning
solid, firm, or difficult to do or endure
Example
The exam was very hard for most students.
对大多数学生来说，考试非常困难。
C2 noun /aɪˈoʊtə/

iota

极小的数量
Meaning
An extremely small amount.
Example
He did not show an iota of fear.
他一点儿恐惧都没表现出来。
B2 verb /ˌdɪfəˈrɛnʃieɪt/

differentiate

区分
Meaning
To recognize or make a distinction between things.
Example
It is important to differentiate between fact and opinion.
重要的是区分事实和意见。
A2 adjective /liːst/

Least

最少
Meaning
smallest in amount or degree; minimal
Example
This is the least expensive option available.
这是最便宜的可用选项。
B2 noun /sneɪl/

Snail

蜗牛
Meaning
a small soft creature with a shell on its back that moves very slowly
Example
The snail left a shiny trail as it crawled across the leaf.
蜗牛在叶子上爬行时留下了一条闪亮的痕迹。
C1 noun speɪst ˌrep.ɪˈtɪʃ.ən

spaced repetition

间隔重复
Meaning
A learning technique that involves reviewing information at increasing intervals to improve long-term retention.
Example
Spaced repetition helps in long-term memory retention.
间隔重复有助于长期记忆保持。
B2 adverb /ˈhev.ɪ.li/

Heavily

猛烈地; 强烈地
Meaning
with great weight; to a great degree; intensely
Example
It rained heavily throughout the night.
整个晚上都在猛烈下雨。