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B2 noun daɪˈmen.ʃən

dimension

维度
Meaning
An aspect or feature of a situation, problem, or thing; a measurable extent.
Example
Renewable projects add a new dimension to urban planning.
可再生项目为城市规划增添了一个新的维度。
B2 adjective /əˈkaʊntəbl/

accountable

负责
Meaning
Required or expected to justify actions or decisions; responsible.
Example
Staying accountable helps reduce delays.
保持负责有助于减少延迟。
C1 verb /aʊtˈlɪv/

outlive

比…活得长
Meaning
to live longer than someone or something else
Example
She outlived all her siblings.
她活过了所有的兄弟姐妹。
C1 noun /ˈɔɪntmənt/

ointment

药膏
Meaning
A smooth, oily substance applied to the skin for healing or soothing.
Example
The doctor prescribed an ointment for the burn on his arm.
医生为他手臂上的烧伤开了一种药膏。
C1 noun /ɪˌlæbəˈreɪʃən/

elaboration

阐述 / 详细说明
Meaning
the process of adding more detail or expanding on something
Example
The teacher appreciated the student's elaboration of the topic.
老师欣赏了学生对主题的详细阐述。
B2 noun /ˈdʒes.tʃər/

Gesture

手势
Meaning
a movement of part of the body, especially a hand or the head, to express an idea or meaning
Example
She made a welcoming gesture with her hands to invite the guests inside.
她用手做了一个欢迎的手势，邀请客人进来。
B1 noun /ˈleɪ.ər/

Layer

层; 层次;
Meaning
a sheet, quantity, or thickness of material, typically one of several, covering a surface or body
Example
The cake has three layers of chocolate.
蛋糕有三层巧克力。
C2 noun /əˈdʌltərənt/

adulterant

掺假物质
Meaning
a substance added to something else, often food or drink, to reduce its quality or strength
Example
The laboratory found an adulterant in the milk samples.
实验室在牛奶样本中发现了掺假物质。
B1 verb /sɪŋk/

sink

沉没
Meaning
to go down below the surface; to descend
Example
The ship sinks in the deep ocean.
船沉入深海。
C1 noun /ˈpɑːr.keɪ/

parquet

木质地板
Meaning
A floor made of wooden blocks arranged in a geometric pattern.
Example
The old mansion had a beautiful parquet floor.
那座古老的豪宅有一块漂亮的木质地板。
B2 noun /ɪkˈses/

Excess

过剩; 多余
Meaning
an amount of something that is more than necessary, permitted, or desirable
Example
The excess food from the party was donated to the local shelter.
派对剩余的食物被捐赠给了当地的庇护所。
B2 verb ˈjuːnɪfaɪ

unify

统一
Meaning
To make or become united, uniform, or whole; to bring together into a single unit.
Example
Adolescents unify with peers for social acceptance.
青少年为了社会接纳与同伴统一。
C1 noun /ˌdɛtəˈneɪʃən/

detonation

爆炸
Meaning
The act of exploding or causing something to explode.
Example
The sudden detonation shook the entire building.
突如其来的爆炸震动了整个大楼。
B2 verb /ɪɡˈzædʒəˌreɪt/

exaggerate

夸大
Meaning
to describe something as better, worse, or more important than it really is
Example
He tends to exaggerate his achievements.
他倾向于夸大自己的成就。
C2 noun /ˈɑːm.lət/

Armlet

臂环
Meaning
a band worn around the upper arm as an ornament
Example
The traditional dancer wore golden armlets that gleamed in the spotlight.
传统舞者佩戴着金色的臂环，在聚光灯下闪闪发光。
C2 noun /ˈlɪmərɪk/

limerick

一种幽默的五行诗
Meaning
a humorous five-line poem with a specific rhythm and rhyme scheme (AABBA).
Example
She recited a funny limerick at the party.
她在派对上背诵了一首有趣的利梅里克。
C1 noun /bəˈnæn.zə/

Bonanza

一种突然增加财富、好运或利润的情况或事件
Meaning
a situation or event that creates a sudden increase in wealth, good fortune, or profits
Example
The oil discovery was a bonanza for the small country.
石油的发现对这个小国来说是一个博南萨。
C1 adjective/adverb /ˌɒfˈhænd/

offhand

草率
Meaning
Without previous thought or preparation; casual and sometimes dismissive.
Example
She gave an offhand reply to his serious question.
她对他严肃的问题做出了一个草率的回答。
B1 noun /ˈɡɪvər/

giver

给予者
Meaning
a person who gives something
Example
She was always a generous giver to charity.
她总是慈善事业的慷慨给者。
C2 verb /ˈkælvɪnaɪz/

calvinize

用加尔文主义的原则使人信服
Meaning
to imbue with the principles or doctrines of Calvinism
Example
The preacher sought to calvinize the community with strict teachings.
传教士试图通过严格的教义来将社区加尔文化。
C2 noun əˈlæk.rə.t̬i

alacrity

快速和愉快的准备
Meaning
Brisk and cheerful readiness.
Example
He accepted the challenge with alacrity.
他以 alacrity 接受了挑战。
B2 adjective /ˈmɪθɪkəl/

Mythical

神话的
Meaning
existing only in myths or legends; imaginary or fictitious
Example
Dragons are mythical creatures that appear in many cultures.
龙是神话中的生物，出现在许多文化中。
A1 noun /ˈɛərpleɪn/

airplane

飞机
Meaning
a powered flying vehicle with fixed wings and engines
Example
The airplane took off smoothly from the runway.
飞机平稳地从跑道上起飞。
A2 adverb /ˈtoʊtəli/

Totally

完全
Meaning
completely; entirely; absolutely
Example
I totally agree with your opinion.
我完全同意你的意见。
C1 noun /ˌtes.tɪˈmoʊ.ni.əl/

Testimonial

推荐信
Meaning
a formal statement testifying to someone's character and qualifications
Example
The professor wrote a glowing testimonial for her former student.
教授为她的前学生写了一个出色的推荐信。
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.
B1 adjective /juːˈnaɪtɪd/

United

联合的; 一致的; 团结的
Meaning
joined together for a common purpose; in agreement
Example
The team was united in their goal to win.
团队在他们的目标上达成了统一。
C1 noun /səˈprɛʃən/

suppression

压制
Meaning
the act of forcibly stopping something or holding back feelings or actions
Example
The suppression of free speech led to protests.
言论自由的压制导致了抗议。
B2 noun wɜːrld ˈhɛrɪtɪdʒ saɪt

World Heritage Site

世界文化遗产地
Meaning
A landmark or area selected by UNESCO for having cultural, historical, scientific or other form of significance.
Example
Sundarbans is a UNESCO World Heritage Site.
孙达班是联合国教科文组织的世界文化遗产地。
C2 noun /dʒuːt liːf/

Jute leaf

黄麻叶
Meaning
the edible leaves of the jute plant, commonly eaten as a leafy green vegetable
Example
Jute leaf is rich in vitamins and minerals and is often cooked with lentils in Bengali cuisine.
黄麻叶富含维生素和矿物质，常在孟加拉美食中与扁豆一起煮。
C1 verb /ˈtɑːtər/

totter

蹒跚
Meaning
To move unsteadily, as if about to fall; to be on the point of collapse.
Example
The old man tottered across the street with a cane.
老人拿着拐杖摇摇晃晃地过马路。
C1 noun /ˈsɛtərə/

cetera

等等
Meaning
Latin for 'the rest' or 'others'; commonly used in the phrase 'et cetera' meaning 'and so on'.
Example
We need to buy pens, paper, notebooks, et cetera.
我们需要购买钢笔、纸张、笔记本等等。
B1 noun /ˈhaɪ.weɪ/

highway

高速公路
Meaning
A main road, especially one connecting major towns or cities.
Example
The highway was blocked due to an accident.
由于事故，高速公路被封锁了。
B2 noun /spaɪn/

Spine

脊柱; 结构的中央支撑
Meaning
the backbone or vertebral column of a vertebrate; the central support of a structure
Example
She injured her spine in the accident.
她在事故中伤了脊柱。
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 adverb /ˈaʊər.li/

Hourly

每小时; 每小时发生或做的事; 持续
Meaning
every hour; happening or done each hour; continuously
Example
The weather report is updated hourly.
天气报告每小时更新一次。
B1 verb প্রিভেন্টস

prevents

阻止
Meaning
To stop something from happening or arising.
Example
Bangladesh's warm climate prevents snowfall.
孟加拉国的温暖气候阻止了降雪。
C1 noun /kənˈtɛnʃən/

contention

争议, 分歧
Meaning
heated disagreement or argument; a point asserted in debate
Example
The main contention between the two parties was over tax reform.
两党之间的主要争议是关于税务改革。
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。
B1 noun ɪˈkɒnəmiːz

economies

经济
Meaning
The wealth and resources of a country or region.
Example
Emerging economies have been growing rapidly over the past decade.
新兴经济体在过去十年中迅速增长。
C1 verb /ɪnˈfɛst/

infest

感染
Meaning
to overrun in large numbers, especially so as to cause damage or discomfort
Example
The old house was infested with rats.
老房子被老鼠感染。
C2 adjective /ˈsɑːdn/

sodden

湿透的
Meaning
thoroughly soaked or saturated with liquid
Example
His clothes were sodden after the heavy rain.
他的衣服在大雨后湿透了。
C1 noun /əˈlʌmnəs/

alumnus

校友
Meaning
a former student or graduate of a school, college, or university
Example
He is an alumnus of Harvard University.
他是哈佛大学的校友。
B1 noun /'pʌmp.kɪn/

Pumpkin

南瓜
Meaning
a large round orange fruit with thick skin and edible flesh
Example
We carved a jack-o'-lantern from a big pumpkin.
我们从一个大南瓜里雕刻了一个南瓜灯。
C1 noun ˌdjʊə.rəˈbɪl.ə.ti

durability

耐用性
Meaning
The ability to withstand wear, pressure, or damage; hard-wearing.
Example
The durability of materials affects performance.
材料的耐用性会影响性能。
A2 noun ˈrɛlətɪvz

Relatives

亲戚
Meaning
A person connected by blood or marriage; a kinsman or kinswoman.
Example
Relatives can help you build a complete family tree.
亲戚们可以帮助你建立完整的家族树。
A1 noun /ˈfriː taɪm/

free time

空闲时间
Meaning
time when a person is not working or occupied and can do activities they enjoy
Example
She likes to read books in her free time.
她喜欢在空闲时间读书。
C1 noun /ˈhæm.lət/

Hamlet

小村庄
Meaning
a small rural settlement, smaller than a village; a small community
Example
The tiny hamlet nestled in the valley had only a dozen houses and one small church.
位于山谷中的小村庄只有十几座房子和一座小教堂。
C1 noun /krəˈʃɛndoʊ/

crescendo

声音逐渐增强
Meaning
a gradual increase in loudness or intensity, especially in music
Example
The orchestra built to a powerful crescendo before the finale.
乐队在结尾前逐渐增强了强烈的高潮。
B2 noun /ˈɡriːnhaʊs/

greenhouse

温室
Meaning
a glass building used for growing plants, especially in cold climates
Example
The farmers built a large greenhouse to grow tomatoes in the winter.
农民们建造了一个大温室，用来在冬天种植番茄。
C1 noun /ˈɡrɪd.lɒk/

gridlock

完全的交通阻塞或停滞状态
Meaning
Complete traffic jam or standstill condition where vehicles cannot move.
Example
A major accident led to gridlock in the city center.
一次重大事故导致了市中心的交通堵塞。
C1 noun /dɪˈfɔː.mə.ti/

Deformity

畸形; 身体畸形
Meaning
a distorted or unnatural shape or form; physical malformation
Example
The accident caused a permanent deformity in his left hand.
事故导致他左手出现了永久性畸形。
B1 noun /treɪl/

trail

小道
Meaning
a path or track left by something that has passed
Example
The hikers followed the trail through the forest.
远足者沿着森林中的小道走。
C2 adjective /ˈfrɪski/

Frisky

活泼的; 精力充沛的; 爱玩的; 淘气的
Meaning
lively; energetic; playful; mischievous
Example
The frisky puppy ran around the garden playfully.
那只活泼的小狗在花园里欢快地奔跑。
C1 noun /meɪl treɪn/

Mail train

邮政列车
Meaning
a train that carries mail and postal packages
Example
The mail train departs every evening to deliver letters across the country.
邮件列车每天晚上发车，跨越全国递送信件。
C2 noun /ˈpaʊ.waʊ/

powwow

非正式会议
Meaning
an informal meeting or conference to discuss something
Example
The team held a quick powwow before the presentation.
团队在演示之前举行了一个快速的非正式会议。
B2 noun /ˈspɒnsər/

sponsor

赞助商
Meaning
a person or organization that provides funds for a project or activity in exchange for publicity or support
Example
The company became the main sponsor of the event.
公司成为了活动的主要赞助商。
B2 noun /ˈsəʊ.ʃəl.ɪ.zəm/

socialism

社会主义
Meaning
An economic system where the means of production are owned by the state or community.
Example
In socialism, resources are distributed equally among citizens.
在社会主义中，资源在公民之间平等分配。
B2 noun /ˈdjuːəʊ/

duo

二重奏
Meaning
a pair of people or things, especially in music or entertainment
Example
The musical duo performed their latest hit at the concert.
这个音乐二重奏在音乐会上演奏了他们的最新热门曲。
C1 verb /dɪˈsɛkt/

dissect

Meaning
to cut apart an animal, plant, or other organism to study its internal parts; to analyze something in detail
Example
In biology class, students had to dissect a frog to learn about its anatomy.
C1 noun /ˈfiː.nɪks/

phoenix

凤凰鸟
Meaning
a mythical bird that is reborn from its ashes; symbol of immortality or renewal
Example
The legend says the phoenix rises from its ashes every 500 years.
传说凤凰每500年从自己的灰烬中复生。
B2 noun /ˈrɒbəɹi/

robbery

抢劫
Meaning
the crime of stealing from someone or somewhere using force or threat
Example
The police are investigating the robbery at the local store.
警方正在调查当地商店的抢劫事件。
C2 noun /ˈæktʃuˌɛri/

actuary

精算师
Meaning
A professional who analyzes financial risk using mathematics, statistics, and financial theory, especially in insurance and pensions.
Example
The actuary calculated the risk before finalizing the insurance policy.
精算师在确定保险政策之前计算了风险。
B2 noun /ˌɑːrkiˈɑːlədʒi/

archaeology

考古学
Meaning
the study of human history and prehistory through excavation and analysis of artifacts, monuments, and other physical remains
Example
She studied archaeology to learn about ancient civilizations.
她学习考古学以了解古代文明。
A2 noun /ˈplen.ti/

Plenty

丰富; 足够
Meaning
a large or sufficient amount; abundance
Example
There is plenty of food for everyone at the party.
聚会中有足够的食物供每个人享用。
C1 noun /ˈaʊtpoʊst/

outpost

前哨站
Meaning
A small military camp or position at some distance from the main force, used especially as a guard.
Example
The soldiers were stationed at a remote outpost.
士兵们被驻扎在一个偏远的前哨站。
C1 verb /əˈbriːvieɪt/

abbreviate

缩写
Meaning
To shorten a word, phrase, or text by leaving out letters or parts.
Example
We often abbreviate 'Doctor' to 'Dr'.
我们常常把 'Doctor' 缩写成 'Dr.'。
A1 noun /bʌs/

Bus

公共汽车
Meaning
a large motor vehicle carrying passengers by road
Example
I take the bus to work every morning.
我每天早上乘公共汽车上班。
A1 adjective /juːzd/

used

二手
Meaning
having already been used
Example
This is a used car.
这是一辆二手车。
C1 adverb /ˈhʌŋ.ɡrə.li/

Hungrily

饥饿地; 贪婪地; 渴望地
Meaning
in a way that shows hunger; greedily; eagerly
Example
The dog ate hungrily after not eating for hours.
狗在几个小时没吃东西后，饥饿地吃了起来。
B1 noun /ˈstætʃuː/

Statue

一种三维艺术作品，通常由石头、金属或木材制成
Meaning
a three-dimensional work of art, typically made of stone, metal, or wood
Example
The statue of liberty is a famous landmark in New York.
自由女神像是纽约的一个著名地标。
C1 verb /ˈɪə.mɑːrk/

earmark

指定
Meaning
To designate funds, resources, or time for a particular purpose.
Example
The government has earmarked funds for education.
政府已为教育指定资金。
A2 verb /pruːv/

prove

证明
Meaning
to show that something is true; to demonstrate
Example
The evidence will prove his innocence.
证据将证明他的无辜。
C2 verb /ˈsɪn.tɪ.leɪt/

scintillate

闪烁
Meaning
to sparkle or shine brightly; to emit flashes of light
Example
The diamond ring scintillated under the bright lights.
钻石戒指在明亮的灯光下闪耀。
A2 noun /ˈbɑt.əm/

Bottom

底部；底层
Meaning
the lowest point or part of something; the ground under a body of water
Example
The treasure chest was lying at the bottom of the ocean.
宝箱躺在海洋的底部。
B2 adjective ˌæs.trəˈnɒm.ɪ.kəl

astronomical

天文学的
Meaning
Relating to astronomy; extremely large in amount or extent.
Example
The astronomical price reflects its exclusivity.
天文学的价格反映了它的独特性。
C1 adjective /ˈbed.rɪd.ən/

Bedridden

卧床不起
Meaning
confined to bed; unable to leave one's bed due to illness or infirmity
Example
The elderly man has been bedridden for several months.
这位年长的男士已经卧床不起好几个月了。
B2 noun /ˈden.sə.ti/

Density

密度
Meaning
the degree of compactness of a substance; the quantity of something per unit area
Example
The density of population in the city center is extremely high.
市中心的人口密度极高。
B2 verb, noun /ɪkˈsplɔɪt/

exploit

Meaning
to make full use of and derive benefit from (a resource); to use someone unfairly for one’s own advantage
Example
The company was accused of exploiting child labor.
B2 noun ˌkʌl.tɪˈveɪ.ʃən

cultivation

耕作
Meaning
The practice of preparing and using land for crops or gardening; the action of improving or developing something.
Example
The cultivation of organic crops has increased worldwide.
有机作物的耕作在全球范围内增加了。
C2 noun /brəˈvjʊrə/

bravura

Meaning
a display of great skill and brilliance, especially in music or performance
Example
The pianist delivered a bravura performance that left the audience spellbound.
C1 noun /aɪ/

aye

赞成
Meaning
an affirmative vote or expression of agreement
Example
The committee voted aye on the proposal.
委员会在提案上投了赞成票。
B2 verb /dæʃ/

dash

Meaning
to move quickly and suddenly; to strike or break something violently
Example
She dashed across the street to catch the bus.
A2 noun /ˈheəkʌt/

haircut

理发
Meaning
the act or style of cutting hair
Example
I got a haircut before the wedding.
我在婚礼前理了发。
B2 noun /pərˈfek.ʃən/

Perfection

完美
Meaning
the state of being complete and without flaws; the highest degree of excellence
Example
The artist spent years trying to achieve perfection in his paintings.
艺术家花了多年时间，试图在他的画作中实现完美。
B1 noun /tuː θɜːrdz/

two-thirds

三分之二
Meaning
a fraction equal to two parts of three; 2/3.
Example
Two-thirds of the students passed the exam.
三分之二的学生通过了考试。
A2 verb /lɪft/

lift

举起
Meaning
to raise or move upward; to pick up
Example
He lifted the heavy box with effort.
他费力地抬起了那个沉重的箱子。
C1 verb /rɪˈnɛɡ/

renege

违约
Meaning
to go back on a promise, agreement, or commitment
Example
The company reneged on its promise to increase wages.
公司违背了他们提高工资的承诺。
C1 noun /ˈwɒrənt/

Warrant

搜查令
Meaning
a legal document that gives police the authority to do something; justification or authority for an action
Example
The police obtained a search warrant before entering the building.
警方在进入大楼之前获得了搜查令。
C1 noun /ˈpeɪ.ɡən/

Pagan

异教徒
Meaning
a person holding religious beliefs other than the main world religions; a heathen
Example
Ancient Romans considered early Christians to be pagans.
古罗马人认为早期基督徒是异教徒。
B2 noun /ˈpɜr.mə.nəns/

Permanence

持久性
Meaning
the state or quality of lasting or remaining unchanged indefinitely; enduring nature
Example
The permanence of the stone monument impressed all visitors.
石雕纪念碑的永久性给所有参观者留下了深刻的印象。
A2 adverb /ˌɛniˈmɔr/

anymore

不再
Meaning
used to refer to the present time, typically to mean no longer
Example
He doesn’t live here anymore.
他不再住在这里。
C1 noun /ˈmɔːrtər/

mortar

用于粘接砖块的混合物 / 小型火炮
Meaning
a mixture used in building to bond bricks or stones together; also, a small cannon for firing shells
Example
The workers applied mortar between the bricks.
工人们在砖块之间涂抹了灰泥。
B1 verb /ˈɒpəreɪt/

operate

操作
Meaning
to function; to control or manage; to perform surgery
Example
The surgeon will operate on the patient tomorrow.
外科医生明天将为病人做手术。
C1 verb /dɪsˈɑːrm/

disarm

解除武装
Meaning
to take weapons away from someone; to make someone feel less hostile
Example
The soldiers were ordered to disarm the rebels.
士兵们被命令解除叛乱分子的武装。
C2 adjective /bruːsk/ or /brʌsk/

brusque

粗暴
Meaning
abrupt or blunt in manner or speech, often seen as rude
Example
His brusque reply ended the conversation.
他那粗暴的回答结束了谈话。
C2 noun /ˈdɛkəˌpɒd/

decapod

十足目
Meaning
An arthropod with ten limbs, such as crabs, lobsters, and shrimps.
Example
The lobster is a well-known decapod.
龙虾是一种著名的十足目动物。
C1 verb /paʊt/

pout

撅嘴
Meaning
to push one's lips forward as an expression of annoyance or sulkiness
Example
The child began to pout when he didn’t get the toy.
孩子没得到玩具时开始撅嘴。
C1 noun /ˌluː.mɪˈnɒs.ɪ.ti/

luminosity

光度
Meaning
The intrinsic brightness of a celestial object; the quality of emitting light.
Example
The luminosity of the star was measured with advanced instruments.
星星的光度通过先进的仪器进行了测量。
A2 adjective /ˈsʌðərn/

southern

南方的
Meaning
located in or facing the south; southern regions
Example
She moved to a southern city for work.
她为了工作搬到了一个南方城市。
C1 noun /ˈprəʊ.lɒɡ/

prologue

序言
Meaning
an introduction to a book, play, or event
Example
The novel begins with a short prologue set in the past.
这本小说以一段设定在过去的简短序言开始。
B2 adjective /rɪˈmuːvəbəl/

removable

可拆卸的
Meaning
able to be removed or taken away
Example
This phone has a removable battery.
这款手机有一块可拆卸的电池。
C1 adjective /ʌnˈkwaɪ.ət/

Unquiet

不安的; 焦虑的; 激动的
Meaning
restless; unable to remain still or quiet; anxious or troubled
Example
She spent an unquiet night worrying about the exam results.
她度过了一个不安的夜晚，担心考试结果。
C1 adjective ˈtæs.ɪt

tacit

默示
Meaning
Understood or implied without being openly expressed or stated
Example
Their mutual understanding was based on tacit agreement.
他们的相互理解建立在默示的协议基础上。
B2 verb /əˈsɜːrt/

assert

断言
Meaning
to state a fact or belief confidently and forcefully; to insist upon rights or claims
Example
She decided to assert her authority in the meeting.
她决定在会议上主张她的权威。
C2 adjective /fɪˈdjuːʃəl/

fiducial

信任的，作为参考标准的
Meaning
based on trust or confidence; serving as a standard of reference
Example
The fiducial point on the map ensures accurate measurements.
地图上的菲杜西亚尔点确保了精确的测量。
C1 noun /naɪˈiːvteɪ/

naivete

Meaning
The quality of being naive; lack of experience, wisdom, or judgment.
Example
His naivete made him an easy target for manipulation.
C1 verb θwɔːt

thwart

阻挠
Meaning
Prevent (someone) from accomplishing something; oppose successfully.
Example
His efforts to thwart the proposal were unsuccessful.
他阻止提案的努力未能成功。
B1 adjective /ˌstreɪt ˈfɔːr.wərd/

Straight forward

诚实直率; 不复杂; 容易理解
Meaning
honest and open; not complicated; easy to understand
Example
His explanation was very straightforward and easy to follow.
他的解释非常直白，并且易于理解。
A2 noun ˈtʃælɪndʒ

challenge

挑战
Meaning
A call to take part in a contest or competition, especially a demanding or stimulating one; a task or situation that tests someone's abilities.
Example
Plastic pollution poses a significant challenge to global health.
塑料污染对全球健康构成了重大挑战。
C1 noun /ˈtjuːmʌlt/

tumult

骚动
Meaning
A loud, confused noise, especially caused by a crowd; commotion or disorder.
Example
The protest created a tumult in the city square.
抗议活动在城市广场上引发了骚动。
B2 noun /ˌpɪə.riˈɒd.ɪ.kəl/

periodical

期刊
Meaning
a magazine or journal published at regular intervals
Example
She subscribed to a science periodical.
她订阅了一个科学期刊。
C1 verb /dɛlv/

delve

Meaning
To investigate deeply; to dig into a subject or area.
Example
The researcher delved into ancient manuscripts to find clues.
B2 adverb /ˈæk.jə.rət.li/

Accurately

准确地，毫无错误地，正确地
Meaning
in an exact way, without any mistakes; precisely; correctly
Example
She accurately predicted the outcome of the election.
她准确地预测了选举结果。
B2 noun, verb /kjuːb/

cube

立方体
Meaning
As a noun: a solid object with six equal square faces. As a verb: to cut food into small square pieces.
Example
She put a sugar cube in her tea.
她把一块糖放进了她的茶里。
C2 noun /ˈplɛntɪtjuːd/

plentitude

丰富
Meaning
the condition of being full or abundant
Example
The garden offered a plentitude of flowers in spring.
花园在春天提供了丰富的花卉。
B2 noun /məˈskiː.toʊ net/

Mosquito-net

蚊帐
Meaning
a fine mesh fabric used to cover beds or windows to keep mosquitoes and other insects out
Example
We use a mosquito net to protect ourselves from insect bites.
我们使用蚊帐来保护自己，防止被虫子叮咬。
C2 adjective /ˌsuː.pər.ɪˈrɑː.ɡə.tɔːr.i/

supererogatory

超额的
Meaning
Going beyond what is required or expected; more than necessary.
Example
His donation was supererogatory, far beyond what anyone had asked for.
他的捐赠是超额的，远远超过任何人要求的。
B1 adjective /ˈfluː.ənt/

Fluent

流利; 熟练
Meaning
able to speak a language easily and accurately; flowing smoothly and gracefully
Example
She is fluent in three languages including English and French.
她流利地讲三种语言，包括英语和法语。
C1 noun/adjective /klɛft/

cleft

裂缝
Meaning
a split or crack; a space or opening made by cleavage
Example
The goat disappeared into a cleft in the rocks.
山羊消失在岩石中的裂缝里。
C2 noun /ˈoʊ.vər.let/

Overlet

床垫
Meaning
a thin mattress or pad placed over a bed for additional comfort
Example
The overlet makes the bed more comfortable to sleep on.
欧弗雷特使床铺更适合睡觉。