poltroon
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C2 noun /pəˈtruːn/

poltroon

懦夫
Meaning
a cowardly person
Example
He acted like a poltroon during the crisis.
他在危机中像个懦夫一样表现。
B2 noun /ˌɪnsɪˈkjʊərɪti/

insecurity

不安全感
Meaning
lack of confidence or assurance; a state of uncertainty or vulnerability
Example
Her insecurity made her doubt her abilities despite her experience.
她的不安全感让她怀疑自己的能力。
C1 adjective /ˌɪndɪˈskrɪmɪnət/

indiscriminate

不加区分的
Meaning
Done without careful judgment; random or haphazard.
Example
The indiscriminate use of pesticides harms the environment.
滥用杀虫剂对环境造成了伤害。
A1 noun /ˈaʊər/

hour

Meaning
A period of time equal to 60 minutes.
Example
The meeting lasted for two hours.
C2 noun /rɪˈvaɪ.zəl/

revisal

修订
Meaning
The act of revising, reviewing, or making changes to something.
Example
The revisal of the contract took longer than expected.
合同的修订比预期花费了更多时间。
B2 verb /plʌndʒ/

plunge

迅速跳入或潜水；突然下降
Meaning
to jump or dive quickly; to fall sharply
Example
She plunged into the swimming pool.
她跳进了游泳池。
A2 adjective /waɪd/

Wide

宽; 广
Meaning
having a great distance from one side to the other; broad
Example
The river is very wide at this point.
这条河在这一点非常宽。
B2 noun /ˈhɑːr.mə.ni/

harmony

和谐
Meaning
A pleasing combination of different elements or a state of peaceful coexistence.
Example
A society thrives when there is harmony among its people.
一个社会在其人民之间有和谐时会繁荣。
B2 verb /kənˈveɪ/

convey

传达, 沟通, 运输
Meaning
To communicate or make known; to transport or carry from one place to another.
Example
The teacher conveys the lesson clearly to students.
老师清楚地把课程传达给学生。
B1 verb /haɪər/

hire

雇用
Meaning
to employ someone for wages; to rent or engage services
Example
The company will hire new employees next month.
公司将在下个月雇用新员工。
B2 adjective /ˈlʌv.ə.bəl/

Lovable

值得爱的; 可爱的
Meaning
deserving of love; endearing; adorable
Example
The puppy was so lovable that everyone wanted to adopt it.
小狗是如此可爱，所有人都想领养它。
A2 noun /sɛlf/

self

自我
Meaning
a person's essential being that distinguishes them from others, especially considered as the object of introspection or reflexive action
Example
She has a strong sense of self.
她有强烈的自我意识。
C2 adjective /ˈbʌksəm/

buxom

丰满且迷人的女性
Meaning
Plump, with a full figure and often large-breasted, especially used to describe women.
Example
The actress was described as a cheerful and buxom woman.
这位女演员被描述为一个快乐且丰满的女性。
C2 adjective /dʒɛnˈtiːl/

genteel

文雅
Meaning
Polite, refined, or respectable, often in an affected or exaggerated way
Example
She spoke in a genteel manner that impressed the guests.
她以一种文雅的方式说话，给客人留下了深刻的印象。
B1 noun /ˈneɪbərˌhʊd/

neighborhood

社区
Meaning
a district or area around or near a particular place
Example
I grew up in a quiet neighborhood.
我在一个安静的社区长大。
B1 noun trend

trend

趋势
Meaning
A general direction in which something is developing or changing; a pattern or tendency.
Example
The current trend of deforestation is alarming.
当前的森林砍伐趋势令人担忧。
C1 adjective /ˌeɪsɪˈmɛtrɪkəl/

asymmetrical

不对称
Meaning
Having parts that are not the same in size, shape, or arrangement.
Example
She wore an asymmetrical dress that drew everyone’s attention.
她穿了一件不对称的裙子，吸引了所有人的注意。
A1 noun /taʊn/

town

城镇
Meaning
a human settlement smaller than a city
Example
The town was quiet on Sundays.
镇子在星期天很安静。
C1 verb /ˈstaɪfəld/

stifled

压制
Meaning
to suppress, hold back, or prevent something from happening
Example
He stifled a laugh during the serious meeting.
他在严肃的会议中压制了笑声。
B2 verb /nɒd/

nod

点头
Meaning
to move one's head down and up to show agreement or acknowledgment
Example
She nodded in agreement with the proposal.
她点头表示同意该提议。
A2 adjective /ˈreɡ.jə.lər/

Regular

规律的
Meaning
happening at fixed intervals; consistent; normal; frequent
Example
She goes for regular exercise every morning at 6 AM.
她每天早上六点进行规律的锻炼。
B1 adjective /ˈsæt.ɪs.fæk.tər.i/

Satisfactory

令人满意的
Meaning
acceptable; meeting requirements; adequate
Example
The test results were satisfactory.
测试结果令人满意。
C1 adjective /rɪˈtɜː.nə.bəl/

Returnable

可退还的
Meaning
able to be returned or given back
Example
The bottle is returnable for a deposit refund.
这瓶瓶子可以退还存款退款。
B2 noun əˈbʌndəns

abundance

丰富
Meaning
A very large quantity of something; plenty
Example
The abundance of vegetables in winter is remarkable.
冬天蔬菜的丰富程度令人惊讶。
C1 noun/verb /snɛər/

snare

陷阱
Meaning
a trap for catching animals; to catch or trap
Example
The hunter set a snare to catch rabbits.
猎人设置了一个陷阱来捕捉兔子。
C1 noun /ˈkæv.əl.ri/

Cavalry

骑兵
Meaning
soldiers who fight on horseback; the part of an army formerly composed of troops on horseback
Example
The cavalry charged across the field with great speed.
骑兵以极快的速度冲过了田野。
C2 verb /ˈfrɪtər/

fritter

浪费
Meaning
To waste time, money, or energy on trivial matters.
Example
He frittered away his savings on unnecessary gadgets.
他把储蓄浪费在了不必要的电子产品上。
C1 adjective /kənˈtɪɡ.ju.əs/

contiguous

相邻
Meaning
sharing a common border; touching
Example
The two continguous houses shared a wall.
这两座相邻的房子共享了一面墙。
B1 noun /ˈrɛntəl/

rental

租赁
Meaning
an arrangement in which something is rented, or the amount paid for renting
Example
The car rental was more expensive than we expected.
汽车租赁比我们预期的要贵。
A2 noun /mjuːˈzɪʃən/

musician

音乐家
Meaning
a person who plays a musical instrument or is musically talented
Example
He is a talented musician.
他是一个才华横溢的音乐家。
C1 noun /ˈpɛdlər/

peddler

小贩
Meaning
a person who sells goods, often traveling from place to place
Example
The peddler walked through the village selling fresh fruits.
小贩走过村庄，卖着新鲜的水果。
B2 noun sɛlf rɪˈlaɪ.əns

self-reliance

自给自足
Meaning
Reliance on one's own powers and resources rather than those of others; independence.
Example
Self-reliance helps build confidence.
自给自足帮助建立自信。
C1 adjective /ˈtɪərfəl/

Tearful

泪流满面; 易哭的
Meaning
expressing or showing sadness and sorrow; inclined to weep
Example
She gave a tearful goodbye to her friends at the airport.
她在机场向朋友们告别时泪流满面。
B1 noun /prəˈməʊ.ʃən/

Promotion

晋升; 升职
Meaning
the act of raising someone to a higher position; advertising to increase sales
Example
She received a promotion to manager after five years of hard work.
她在五年的辛勤工作后晋升为经理。
B2 noun /roʊˈteɪʃən/

Rotation

旋转; 转动; 自转
Meaning
the action of rotating around an axis or center; a single turn
Example
The Earth's rotation takes 24 hours to complete.
地球的自转需要24小时才能完成。
A2 verb /friːz/

freeze

冻结
Meaning
to become solid due to cold; to preserve by cold
Example
Water freezes at zero degrees Celsius.
水在零摄氏度下结冰。
B2 verb /reɪl/

rail

抗议
Meaning
to complain or protest strongly about something
Example
He railed against the unfair decision.
他抗议不公平的决定。
C2 noun /ˈsɪɡnət/

cygnet

天鹅幼崽
Meaning
a young swan
Example
The cygnet swam closely behind its mother.
小天鹅在母亲后面游泳。
B2 noun /swiːt/

suite

套房
Meaning
a set of rooms designated for one person's or family's use or for a particular purpose
Example
They stayed in the presidential suite at the hotel.
他们住在酒店的总统套房里。
B2 noun /dɪˈsɛnt/

descent

下降 / 血统
Meaning
the action of moving downward, falling, or dropping; ancestry or origin
Example
The climbers began their descent from the mountain peak.
登山者从山顶开始下降。
C1 noun /ˈmeɪniæk/

maniac

疯子
Meaning
a person who behaves in a wildly foolish, dangerous, or violent way
Example
The driver was speeding like a maniac.
司机像疯子一样开车。
C1 verb /kəmˈpjuːt/

compute

计算
Meaning
To calculate or determine by using a computer or mathematical methods.
Example
The software can compute the total cost in seconds.
该软件可以在几秒钟内计算出总成本。
A1 pronoun /wɒt/

what

什么
Meaning
used to ask for information about something
Example
What is your name?
你叫什么名字?
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。
B2 adjective /əˈlɑːrmɪŋ/

alarming

令人担忧
Meaning
Worrying or disturbing; causing concern or fear.
Example
The unemployment rate among youth is alarming.
年轻人中的失业率令人担忧。
B2 verb /skwɒʃ/

squash

压扁
Meaning
to crush or squeeze something with force so that it becomes flat or broken
Example
She accidentally squashed the bug with her shoe.
她不小心用鞋子压死了虫子。
C2 noun /ˈpæn.θi.ɪ.zəm/

pantheism

泛神论
Meaning
The belief that God and the universe are identical, or that everything is a manifestation of God.
Example
Spinoza’s philosophy is often associated with pantheism.
斯宾诺莎的哲学常与泛神论相关联。
A2 noun /ˈɪər.ɪŋ/

Ear-ring

耳环
Meaning
a piece of jewelry worn on the earlobe or ear
Example
Her diamond earrings caught everyone's attention.
她的钻石耳环吸引了所有人的注意。
C1 verb /hjuːˈmɪlieɪt/

humiliate

侮辱
Meaning
to make someone feel ashamed or foolish by injuring their dignity
Example
He was humiliated by his public failure.
他因公共失败而感到羞辱。
C1 noun /əˈfɪn.ɪ.ti/

affinity

亲和力
Meaning
A natural liking for or attraction to a person, thing, idea, etc.
Example
She has an affinity for classical music.
她对古典音乐有亲和力。
A1 adjective /ˈhæpi/

happy

快乐
Meaning
feeling or showing pleasure, contentment, or joy
Example
She was very happy to receive the gift.
她收到礼物时非常高兴。
C2 noun /əbˈdʌktər/

abductor

绑架者
Meaning
a person who kidnaps or forcibly takes someone away
Example
The police arrested the abductor after a nationwide search.
警方在长时间搜查后逮捕了绑架者。
C2 adjective /ˌkloʊs ˈhɔːld/

close-hauled

逆风航行
Meaning
of a sailing ship, sailing as nearly as possible towards the direction from which the wind is blowing.
Example
The yacht was close-hauled as it cut through the waves.
那艘游艇在波浪中紧贴风向行驶。
C2 noun əˌmæl.ɡəˈmeɪ.ʃən

amalgamation

融合, 合并, 综合
Meaning
The action, process, or result of combining or uniting.
Example
The amalgamation of AI and big data is transforming industries.
人工智能和大数据的融合正在改变行业。
B2 noun pɪər ˈɪnfluəns

peer influence

同龄人影响
Meaning
The effect that members of a peer group have on each other, especially in terms of behavior, attitudes, and decision-making.
Example
Peer influence can shape juvenile behavior significantly.
同龄人影响可以显著塑造青少年的行为。
C2 adjective /ˌɪnkoʊˈɜːrsəbl̩/

incoercible

无法强迫的
Meaning
Not capable of being forced, compelled, or restrained.
Example
Her incoercible spirit inspired others to fight for justice.
她那无法强迫的精神激励了其他人争取正义。
B1 adjective /ˌriːəˈlɪstɪk/

realistic

现实的
Meaning
having or showing a sensible and practical idea of what can be achieved or expected
Example
She gave a realistic estimate of the project's cost.
她给出了项目成本的现实估计。
B1 adjective /ˈbælənst/

balanced

平衡的
Meaning
keeping or showing a sensible and fair view or position; evenly arranged
Example
A balanced diet is essential for good health.
均衡的饮食对健康至关重要。
B2 noun /ˈwɔːl.nʌt/

Walnut

核桃
Meaning
an edible nut with a hard shell and a wrinkled appearance
Example
I love to eat walnuts with honey for breakfast.
我喜欢在早餐时吃蜂蜜核桃。
A1 noun /hæt/

Hat

帽子
Meaning
a covering for the head, typically with a brim and worn outdoors
Example
He always wears a hat when working in the garden.
他在花园工作时总是戴着帽子。
C1 noun /ˈɪnˌmeɪt/

inmate

囚犯
Meaning
a person confined to an institution such as a prison or hospital
Example
The prison has over a thousand inmates.
监狱里有超过一千名囚犯。
C2 adjective /ɪmˈpræktɪkəbl/

impracticable

不切实际
Meaning
Not capable of being carried out or put into practice.
Example
The plan seemed impracticable due to limited resources.
由于资源有限，计划显得不切实际。
B2 noun /səˈspɪʃən/

Suspicion

怀疑
Meaning
a feeling or thought that someone is guilty of an illegal or dishonest activity
Example
The police arrested him on suspicion of theft.
警方以盗窃嫌疑逮捕了他。
C1 noun /ˈtrænsfərəns/

transference

转移
Meaning
The act of moving something from one place, person, or situation to another.
Example
The transference of knowledge is essential in education.
知识的转移在教育中至关重要。
B2 noun /hɔːk/

Hawk

猎鹰
Meaning
a bird of prey with broad wings and strong talons used for hunting
Example
The hawk soared high above the field hunting for prey.
猎鹰在田野上空飞翔，寻找猎物。
C2 noun /ˌriːkəˌpɪtjʊˈleɪʃən/

recapitulation

重述
Meaning
The act of summarizing or repeating the main points of something.
Example
The professor gave a brief recapitulation of the lecture before ending the class.
教授在结束课程之前简要地重述了讲座内容。
A2 noun ˈfɔːrɪsts

Forests

森林
Meaning
Large areas covered with trees and undergrowth, providing natural habitats for wildlife.
Example
Forests provide shelter and food for butterflies.
森林为蝴蝶提供庇护和食物。
C1 noun /əˈsɪdɪti/

acidity

酸度
Meaning
the quality or degree of being acidic; the amount of acid present in a substance
Example
The acidity of the soil affects how well crops grow.
土壤的酸度会影响作物的生长。
A1 verb /flaɪ/

fly

飞行
Meaning
to move through the air using wings or in an aircraft
Example
Birds fly south for the winter.
鸟类冬天飞往南方。
C1 noun /ˈsʌnˌdaʊn/

sundown

日落
Meaning
the time in the evening when the sun goes below the horizon
Example
We planned to reach the village before sundown.
我们计划在日落之前到达村庄。
B1 noun /sleɪv/

slave

奴隶
Meaning
a person who is the legal property of another and is forced to work for them
Example
The abolitionist movement fought for the rights of slaves.
废奴主义者运动为奴隶的权利而奋斗。
C2 noun /dɪˈmeɪn/

demesne

附属于庄园的土地
Meaning
Land attached to a manor and retained for the owner's use.
Example
The castle was surrounded by its vast demesne.
城堡被其广阔的附属于庄园的土地所包围。
C2 noun /rɪˈsɪdɪvɪst/

recidivist

重犯
Meaning
A person who repeatedly commits crimes, especially after having been punished.
Example
The police identified him as a recidivist who had been arrested several times before.
警方将他确定为一个重犯，他之前曾被多次逮捕。
C2 verb /ˈsʌpjʊˌreɪt/

suppurate

化脓
Meaning
to form or discharge pus, usually as a result of infection
Example
The wound began to suppurate after a few days.
伤口在几天后开始脓液化。
C2 noun /ˈsɪlədʒɪzəm/

syllogism

三段论
Meaning
A form of reasoning in which a conclusion is drawn from two given or assumed premises.
Example
The philosopher explained the concept of syllogism using simple examples.
哲学家用简单的例子解释了三段论的概念。
A1 pronoun, noun, adjective /wʌn/

one

一
Meaning
the number equivalent to the sum of zero and one; a single person or thing
Example
Only one student answered the question.
只有一个学生回答了问题。
B2 adverb /ʌnˈplɛzəntli/

unpleasantly

令人不快地
Meaning
in a way that causes discomfort, annoyance, or displeasure; in an unfriendly or disagreeable manner
Example
The room was unpleasantly hot during the afternoon.
下午房间里热得令人不快。
B2 noun /vaɪs/

Vice

恶习; 不道德行为; 缺点
Meaning
an immoral or wicked behavior; a moral failing or fault
Example
Smoking is his only vice.
吸烟是他唯一的恶习。
C1 adjective /ˈmɒnstrəs/

Monstrous

极其大的; 令人震惊的邪恶或错误; 不正常或不自然
Meaning
extremely large; shockingly evil or wrong; abnormal or unnatural
Example
The monstrous crime shocked the entire community.
那个怪异的罪行震惊了整个社区。
B1 noun ˈiːˌkɒm.ɜːrs

e-commerce

电子商务
Meaning
The process of buying and selling goods or services through the internet.
Example
E-commerce has revolutionized the way people shop.
电子商务彻底改变了人们购物的方式。
C2 noun /ˈɡɒz.lɪŋ/

gosling

小鹅
Meaning
a young goose
Example
The mother goose carefully protected her goslings.
母鹅小心翼翼地保护着她的小鹅。
C2 noun /ræpˈskæliən/

rapscallion

顽皮的人
Meaning
A mischievous or cheeky person; a rascal.
Example
The little rapscallion hid his brother’s shoes as a prank.
这个小拉普斯卡里昂把他哥哥的鞋子藏起来，做了个恶作剧。
C1 noun /ˌʌnriˈælɪti/

unreality

非现实
Meaning
the state or quality of being unreal; lack of reality or truth
Example
The dreamlike setting gave the story a sense of unreality.
这种梦幻的场景让故事充满了非现实感。
A2 noun /ˈden.tɪst/

Dentist

牙科医生
Meaning
a medical professional who treats teeth and oral health
Example
I need to visit the dentist for a regular checkup.
我需要去看牙医进行定期检查。
B2 verb /pæt/

pat

Meaning
to touch someone or something gently, often to show affection or approval
Example
She gently patted the dog on its head.
C2 noun /lɒŋ ˈwɪskəd ˈkætfɪʃ/

Long whiskered catfish

长须鲶鱼
Meaning
A type of freshwater fish with long whisker-like barbels around its mouth
Example
The fisherman caught a long whiskered catfish in the river.
渔夫在河里抓到了一条长须鲶鱼。
C1 noun /ɪnˈfɜːrnoʊ/

inferno

火灾
Meaning
a large, intense fire that is dangerously out of control
Example
The building turned into an inferno within minutes.
这座建筑在几分钟内变成了火灾。
C2 noun /ˈoʊdiəm/

odium

憎恶
Meaning
general or widespread hatred or disgust directed toward someone as a result of their actions
Example
The scandal brought public odium on the corrupt minister.
丑闻让腐败的部长蒙受了公众的憎恶。
C1 verb /rɪˈmjuːnəreɪt/

remunerate

支付
Meaning
To pay someone for services or work done.
Example
The company will remunerate employees fairly for their overtime.
公司将公平地支付员工的加班费。
C2 noun /ˌdʒer.ɪˈmaɪ.æd/

Jeremiad

长篇哀叹; 痛苦的抱怨; 灾难清单
Meaning
a long mournful complaint or lamentation; a list of woes; a prolonged expression of grief
Example
The newspaper editorial was a jeremiad about the decline of moral values in society.
报纸的社论是一篇关于社会道德价值观衰退的杰雷米亚德。
C1 noun /ˌrɛspɪˈreɪʃən/

respiration

Meaning
The process of breathing or the exchange of gases in living organisms.
Example
Respiration is essential for all living beings.
B1 adverb /ˈpriːviəsli/

previously

以前
Meaning
at an earlier time or before now
Example
She had previously worked at a bank before starting her own business.
她曾在银行工作过，之后才开始了自己的生意。
C2 noun /ˈmædʒɪstrəsi/

magistracy

司法办公室
Meaning
The office, authority, or district of a magistrate.
Example
He was proud to serve in the local magistracy for over a decade.
他为能在当地的司法办公室工作超过十年而感到自豪。
C2 noun /ɪmˈpʌlʃən/

impulsion

Meaning
a strong urge or drive to act; the act of impelling
Example
His impulsion to travel made him leave his job suddenly.
C2 adjective /ɪkˌstɛmpəˈreɪniəs/

extemporaneous

没有准备的讲话或行为
Meaning
Spoken or done without preparation.
Example
He gave an extemporaneous speech at the meeting.
他在会议上发表了即兴演讲。
B1 noun ˈkʌrənsi

currency

货币
Meaning
A system of money in general use in a particular country; the fact or quality of being generally accepted or in use.
Example
Dual currency systems were proposed.
提议了双货币系统。
C2 adjective /ˈrʌdi/

ruddy

红润
Meaning
Having a healthy red color in the face.
Example
She had a ruddy complexion from working outdoors.
她因为在户外工作，脸上有红润的肤色。
B1 adjective, verb (past participle of wear) /wɔːrn/

worn

磨损的
Meaning
damaged, weakened, or deteriorated from use or age
Example
His shoes were old and worn.
他的鞋子很旧，磨损严重。
B2 noun /ˈsʌb.sɪ.di/

subsidy

补贴
Meaning
Financial assistance provided by government to reduce costs of goods or services.
Example
The government provides a fuel subsidy to control prices.
政府提供燃料补贴以控制价格。
B2 noun /ˈrɛfjuːdʒ/

refuge

避难所
Meaning
a place that provides shelter or protection from danger or distress
Example
The villagers took refuge in the temple during the storm.
村民们在风暴期间躲进了寺庙避难。
A2 noun /kɔɪnz/

coins

硬币
Meaning
Flat, typically round pieces of metal issued by a government as money.
Example
He collected old coins from different countries.
他收集了来自不同国家的旧硬币。
C1 noun /ˈplɛθərə/

plethora

过多的数量
Meaning
an excessive amount of something
Example
She has a plethora of books on her shelf.
她的书架上有过多的书籍。
C2 adjective /ˈdəʊ.lə.rəs/

dolorous

Meaning
Expressing great sorrow or distress.
Example
He spoke in a dolorous tone after the loss.
B2 noun /dɪˈkeɪ/

Decay

腐烂; 分解; 衰退
Meaning
the process of rotting or decomposing; gradual decline or deterioration
Example
The old building showed signs of decay after years of neglect.
这座老建筑在多年疏忽后显示出腐烂的迹象。
B2 noun, verb /ˈɪnstɪˌtjuːt/

institute

学院
Meaning
as a noun, an organization founded for a specific purpose; as a verb, to establish or initiate
Example
The university decided to institute new rules for the library.
大学决定为图书馆制定新规则。
C2 adjective /səˈdʒɛstəbəl/

suggestible

易受影响的
Meaning
easily influenced by the suggestions of others
Example
Children are highly suggestible and may believe what they are told.
孩子们很容易受到影响，可能会相信他们被告知的事情。
C1 noun /kənˈteɪdʒən/

contagion

传染
Meaning
The communication of disease from one person to another by close contact; also the spread of harmful ideas or behaviors.
Example
Fear spread like a contagion through the crowd.
恐惧像传染一样在群众中传播开来。
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。
B1 adjective /ˈkriːmi/

creamy

像奶油一样光滑、丰富的质地
Meaning
having a smooth, rich texture like cream
Example
She poured a creamy sauce over the pasta.
她把奶油般的酱汁倒在了意大利面上。
C2 noun /ˌdɪskwɪˈzɪʃən/

disquisition

论文
Meaning
A long or elaborate discussion or written essay on a particular subject.
Example
The professor gave a lengthy disquisition on ancient philosophy.
教授就古代哲学进行了长篇论文。
C1 verb /dɪˈteɪn/

detain

Meaning
to keep someone from proceeding; to hold back, especially by official authority
Example
The police detained the suspect for questioning.
B2 noun /beɪ/

Bay

海湾
Meaning
a broad inlet of the sea where the land curves inward
Example
The boats are anchored in the bay.
船只停泊在海湾。
C1 adverb /ˌɪn.ədˈvɜːr.tənt.li/

Inadvertently

无意中; 不小心; 错误地
Meaning
without being aware of what you are doing; unintentionally; by mistake
Example
She inadvertently deleted the important file while cleaning her computer.
她在清理计算机时无意中删除了重要文件。
A2 adjective /mæd/

Mad

生气; 精神病; 疯狂
Meaning
angry; mentally ill; insane
Example
He was mad at his friend for being late.
他因迟到而生气。
C1 adjective /ˌʌnəˈdɔːrnd/

unadorned

简单的，未装饰的
Meaning
Plain and simple; not decorated.
Example
The room was unadorned, with only a table and a chair.
房间简单，只有一张桌子和一把椅子。
C1 noun /ˈdæn.drʌf/

Dandruff

头皮屑
Meaning
small white or grey flakes of dead skin that form on the scalp and fall from the hair
Example
He used a special shampoo to treat his persistent dandruff problem.
他使用了一种特殊的洗发水来治疗他持续的头皮屑问题。
C1 adjective /ʌnˈkuːθ/

uncouth

粗鲁
Meaning
Lacking good manners, refinement, or grace; awkward or rough.
Example
His uncouth behavior shocked the guests at the party.
他粗鲁的行为让聚会上的客人感到震惊。
C1 verb /ɪnˈfleɪt/

inflate

充气；抬高
Meaning
to fill with air or gas so it expands; to increase excessively or artificially
Example
The mechanic inflated the tire to the correct pressure.
技工把轮胎充到了正确的气压。
B1 noun /ˌmɪl.jəˈneər/

Millionaire

百万富翁
Meaning
A person whose wealth equals or exceeds one million units of currency
Example
He became a millionaire through smart investments and hard work.
他通过聪明的投资和努力工作成为了百万富翁。
B1 verb /kənˈvɜːrt/

convert

转换
Meaning
to change from one form to another; to transform
Example
We can convert this room into an office.
我们可以把这个房间转换成办公室。
B1 adverb /ʌnˈjuːʒuəli/

unusually

异常地
Meaning
in a way that is not typical or expected; to an uncommon degree
Example
It was unusually cold for this time of year.
对一年中的这个时候来说，天气异常寒冷。