Gum
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B2 noun /ɡʌm/

Gum

牙龈; 粘稠物质
Meaning
the firm flesh that surrounds the roots of the teeth; a viscous secretion
Example
The dentist checked her gum for any signs of disease.
牙医检查了她的牙龈，寻找是否有疾病迹象。
C2 adjective /spæzˈmɒdɪk/

spasmodic

痉挛性
Meaning
occurring irregularly or in sudden bursts
Example
The patient experienced spasmodic coughing during the night.
病人在夜间经历了痉挛性咳嗽。
C2 noun /ˈpɑːrvənuː/

parvenu

新富人
Meaning
A person who has recently gained wealth or influence but is not yet accepted socially.
Example
He was seen as a parvenu who lacked refinement despite his riches.
他被视为一个新富阶层，尽管他拥有财富，但却缺乏 refinement。
C2 noun /ɪnˌtɜːrpəˈleɪʃən/

interpolation

插值
Meaning
The act of inserting something into a text or estimating values within a sequence of data.
Example
The scientist used interpolation to predict the missing data points.
科学家使用插值法来预测缺失的数据点。
C2 verb ˈɪnʌndeɪt

inundate

淹没, 用事情或人淹没某人或某物
Meaning
To flood; overwhelm someone or something with things or people to be dealt with
Example
The company was inundated with requests after the advertisement.
广告后，公司被大量请求淹没。
B1 noun ˈem.fə.sɪs

emphasis

重音
Meaning
Special importance, value, or prominence given to something; stress laid on a particular point or aspect.
Example
The speaker placed emphasis on sustainable development.
演讲者强调了可持续发展。
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。
C1 adjective /riˈæk.tɪv/

Reactive

反应性; 化学活性
Meaning
responding to situations rather than initiating them; chemically active
Example
The company took a reactive approach to customer complaints.
公司对客户投诉采取了反应性的方法。
C2 adverb /bɪˈtaɪmz/

betimes

早早
Meaning
early; in good time
Example
She rose betimes to finish her work.
她早起以完成工作。
C1 verb /uːz/

ooze

渗透
Meaning
to slowly flow or leak out through small openings or pores
Example
Blood began to ooze from the small cut.
血液开始从小伤口渗透出来。
B2 noun /dɪˈnaɪ.əl/

Denial

否认
Meaning
the action of declaring something to be untrue; refusal to acknowledge something
Example
His denial of involvement in the scandal was met with skepticism.
他否认参与丑闻的行为，遭遇了怀疑。
C1 verb /ˈkɒnfɪskeɪt/

confiscate

Meaning
to take something away officially, often as a punishment
Example
The teacher confiscated the student's phone during class.
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 noun /ˈklɒzɪt/

closet

衣柜
Meaning
a small room or enclosed space used for storing clothes or other things
Example
She keeps her winter coats in the closet near the door.
她把冬季外套放在门旁的衣柜里。
B1 noun /tʃɑːrm/

Charm

魅力; 魔法; 吸引力
Meaning
the power or quality of giving delight or arousing admiration; a magical spell or talisman
Example
Her natural charm and wit made her popular at social gatherings.
她天生的魅力和机智使她在社交聚会中受欢迎。
B1 adjective /ˈmiː.nɪŋ.fəl/

Meaningful

有意义的; 有目的的;
Meaning
having significance; purposeful; important
Example
She found meaningful work helping others.
她通过帮助他人找到了有意义的工作。
C2 noun /ˌkɒnvəˈluːʃən/

convolution

卷曲，复杂的转折或结构
Meaning
a twist, coil, or a complex and intricate shape or arrangement
Example
The brain has many convolutions that increase its surface area.
大脑有许多卷曲的形状，增加了其表面积。
B2 noun /kreɪn/

Crane

鹤
Meaning
a large tall bird with long legs and neck; a machine for lifting heavy objects
Example
The graceful crane stood motionless by the water's edge.
优雅的鹤静静地站在水边。
B2 noun /ˈpleɪˌɔːf/

playoff

决胜赛
Meaning
a series of games played to determine a champion among top teams
Example
The team qualified for the playoffs after a strong season.
该队在强劲的赛季后晋级季后赛。
A2 noun /ˈkʌm.fərt/

Comfort

舒适; 安逸
Meaning
a state of physical ease and freedom from pain or constraint; relief from distress or anxiety
Example
The soft sofa provided great comfort after a long day at work.
柔软的沙发在长时间工作后提供了极大的舒适感。
C2 adjective /ˈkwɒdreɪt/

quadrate

方形
Meaning
square or nearly square; having four sides or being suited or corresponding to something
Example
The tiles had a neat quadrate shape that made the floor look orderly.
瓷砖呈现出整齐的方形形状，使地板看起来整洁。
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。
B1 adverb /ˈpræk.tɪ.kəl.i/

Practically

实际上; 几乎; 几乎
Meaning
in a practical manner; almost; nearly
Example
The project is practically finished.
这个项目几乎完成。
C2 noun /ɪnˈɡrætɪˌtjuːd/

ingratitude

忘恩负义
Meaning
Lack of gratitude; failure to show thanks or appreciation.
Example
His ingratitude hurt her feelings after all she had done for him.
他的忘恩负义伤害了她的感情，尽管她为他做了这么多。
C1 noun ˌprɒf.ɪ.təˈbɪl.ɪ.ti

profitability

盈利能力
Meaning
The degree to which a business or activity yields profit or financial gain.
Example
Increasing sales and reducing costs boosted profitability.
增加销售并减少成本提高了盈利能力。
C1 verb /θrɒb/

throb

跳动
Meaning
to beat or pulse strongly, often with pain
Example
His head began to throb after the long day.
他的一天结束后，头开始跳动。
B2 adverb /ˈklɒkwaɪz/

Clockwise

顺时针
Meaning
in the direction that clock hands move; in a circular direction from left to right
Example
Turn the valve clockwise to tighten it.
顺时针旋转阀门以拧紧它。
B2 adjective ˈeθ.ɪ.kəl

ethical

伦理的
Meaning
Relating to moral principles or the branch of knowledge dealing with these.
Example
Ethical considerations guide decisions.
伦理考虑引导决策。
A2 adjective /θɪn/

Thin

薄的; 狭窄的
Meaning
having little thickness; not thick; slender
Example
She wore a thin jacket in the cold weather.
她在寒冷的天气里穿了一件薄外套。
C1 noun /əˈpærəl/

apparel

衣服
Meaning
Clothing, especially formal or special clothes.
Example
The store specializes in wedding apparel.
商店专门出售婚礼服装。
C2 adjective /ˈdʒɔːndɪst/

jaundiced

偏见的 / 嫉妒的 / 由黄疸引起的
Meaning
Affected by or displaying prejudice, envy, or bitterness; also refers to having a yellowish discoloration of the skin due to jaundice.
Example
She gave a jaundiced view of the project after her proposal was rejected.
在她的提案被拒绝后，她对这个项目给出了一个偏见的看法。
B1 adjective /ˈpʌŋk.tʃu.əl/

Punctual

准时
Meaning
on time; prompt;
Example
She is always punctual for meetings.
她总是准时参加会议。
B2 adjective /ˈænɪmeɪtɪd/

animated

动画的
Meaning
Full of life or excitement; made using animation techniques.
Example
The animated film was loved by children and adults alike.
这部动画电影受到儿童和成人的喜爱。
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。
A2 adjective /ɒd/

Odd

奇怪的; 不寻常的; 不同于正常或预期的
Meaning
strange; unusual; different from what is normal or expected
Example
That's an odd way to solve the problem.
那是解决问题的一种奇怪方式。
C1 verb /ˈswɛltər/

swelter

因高温而痛苦
Meaning
to suffer from intense heat
Example
We began to swelter in the midday sun.
我们开始在中午的阳光下忍受酷热。
B2 verb /prɪˈzjuːm/

presume

假设
Meaning
To suppose something is true without proof; to take for granted.
Example
I presume she has already left for the meeting.
我假设她已经去参加会议了。
C2 noun /ˈmʌs.tərd liːf/

Mustard leaf

芥菜叶
Meaning
green leafy vegetable from the mustard plant; edible leaves used in cooking
Example
We cooked mustard leaf with fish in a traditional Bengali curry.
我们在传统的孟加拉咖喱中与鱼一起煮了芥菜叶。
C1 noun ˌɒk.sɪˈdeɪ.ʃən

oxidation

氧化
Meaning
A chemical reaction that involves the combination of a substance with oxygen, often causing deterioration.
Example
Oxidation causes metal surfaces to weaken.
氧化会削弱金属表面。
B2 noun /ɪnˈkwaɪəri/ or /ˈɪnkwəri/

inquiry

调查 / 查询
Meaning
An act of asking for information; an investigation into something.
Example
The committee launched an inquiry into the financial irregularities.
委员会启动了对金融不规范行为的调查。
C2 noun /ˌkiː ˈviːv/

qui vive

警觉
Meaning
A state of alertness or vigilance.
Example
The guards were on the qui vive during the night.
警卫们在夜间保持警觉。
C1 verb /fɔːrˈseɪk/

forsake

Meaning
to abandon or give up something or someone
Example
He decided not to forsake his old friends despite his success.
C1 noun /ˈtiːdiəm/

tedium

沉闷
Meaning
the state of being tedious; monotony or boredom
Example
The tedium of long meetings often drains motivation.
长时间会议的沉闷常常消耗动力。
B1 noun /ˈleɪ.bər/

Labour

体力或脑力劳动
Meaning
work involving physical or mental effort; workers as a group
Example
The construction required months of hard labour to complete.
这项建设工程需要数月的辛勤劳动才能完成。
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。
C2 adjective /ˈvɪsɪd/

viscid

粘稠
Meaning
Having a thick, sticky consistency.
Example
The sap had a viscid texture that stuck to his hands.
树汁有一种粘稠的质地，粘在他的手上。
C1 noun /ˌɪnˈdɪsəplɪn/

indiscipline

缺乏纪律
Meaning
lack of discipline or self-control; failure to obey rules or maintain order
Example
Indiscipline among the students disrupted the learning environment.
学生的缺乏纪律破坏了学习环境。
B2 noun /kəˈrʌp.ʃən/

Corruption

腐败
Meaning
dishonest or fraudulent conduct by those in power; the process of decay or decomposition
Example
The government launched a campaign to fight corruption in public offices.
政府发起了一个打击公共办公室腐败的运动。
C1 verb /ʌnˈrævəl/

unravel

Meaning
To undo twisted or knitted threads; to solve or explain something complicated.
Example
The detective worked hard to unravel the mystery.
A2 preposition/conjunction/noun/adjective /plʌs/

plus

加/优势
Meaning
in addition to; a positive aspect or advantage
Example
She received an A plus on her exam.
她在考试中得了一个A plus。
B2 adjective /trɪm/

Trim

整洁有序; 苗条且健康
Meaning
neat and orderly in appearance; slim and fit
Example
She keeps her garden very trim and tidy.
她保持花园非常整洁有序。
C1 noun /ˈæftərˌθɔːt/

afterthought

Meaning
Something added or considered later than originally planned.
Example
The gift seemed like an afterthought rather than a genuine gesture.
A1 noun /ˈwɪmən/

woman

女人
Meaning
an adult human female
Example
The woman at the counter helped me.
柜台上的女人帮了我。
C2 verb /ˌnɒnˈplʌst/

nonplussed

困惑
Meaning
Past tense of nonplus; surprised and unsure how to react.
Example
He stood nonplussed at the strange remark.
他对奇怪的评论感到困惑。
B2 adjective /prɪˈzentəbl/

Presentable

适合公众展示; 看起来体面
Meaning
neat and suitable for being seen in public; acceptable in appearance
Example
Make sure you look presentable for the job interview.
确保在面试中看起来像个体面的人。
C1 adjective /ˌɪnəˈtɛntɪv/

inattentive

不专心的
Meaning
not paying attention; lacking focus or concentration
Example
The inattentive student missed several important instructions.
那个不专心的学生错过了几条重要指示。
C2 noun /ˌɪlɪbəˈræləti/

illiberality

不宽容
Meaning
The quality of being illiberal; lack of tolerance or generosity.
Example
The illiberality of the new laws alarmed the citizens.
新法律的不宽容让市民感到警觉。
B2 noun /ˈruːmər/

rumor

谣言
Meaning
a currently circulating story or report of uncertain or doubtful truth.
Example
There’s a rumor that the company will merge next year.
有传闻说公司明年将合并。
B1 noun ˈθer.ə.pi

therapy

治疗
Meaning
Treatment intended to relieve or heal a disorder; the treatment of a mental or physical disorder.
Example
Gene therapy offers hope for genetic disorders.
基因治疗为遗传性疾病提供希望。
C1 verb /ədˈmɪnɪstreɪt/

administrate

管理
Meaning
to manage or supervise the execution of duties, laws, or resources; to formally give or apply something such as a test or medicine
Example
The committee will administrate the new policy across all departments.
委员会将在所有部门管理这项新政策。
C2 adjective /tʃeɪst/

Chaste

贞洁; 纯洁
Meaning
pure and morally good; abstaining from sexual activity
Example
She lived a chaste and virtuous life.
她过着纯洁而美德的生活。
B1 verb /spɛl/

spell

拼写
Meaning
to write or name the letters of a word in order; to mean or result in something
Example
Can you spell your name for me?
你能为我拼写你的名字吗？
B2 adverb /ˈpjʊərli/

purely

纯粹地
Meaning
only and completely; entirely
Example
The decision was purely based on economic factors.
这个决定完全基于经济因素。
B2 noun /ˈsæb.ə.tɑːʒ/

Sabotage

破坏
Meaning
deliberate destruction of equipment or disruption of activities
Example
The factory was shut down due to an act of sabotage.
由于破坏行为，工厂被关闭。
C2 verb /pɜːrl/

purl

发出低语声地流动
Meaning
To knit with a purl stitch; to flow with a murmuring sound (as a stream).
Example
The brook purled softly through the meadow.
小溪轻轻地流过草地。
C2 noun /ˈʒɑːndɑːrm/

gendarme

宪兵
Meaning
A French police officer, especially a member of a military-style police force.
Example
The gendarme stopped the car for a routine check.
宪兵因例行检查而拦住了汽车。
C1 noun /ˌdɪspəˈzɪʃən/

disposition

Meaning
A person's usual attitude or temperament; arrangement or tendency.
Example
She has a cheerful disposition despite the difficulties.
C1 noun /pɒmp/

pomp

盛大, 华丽
Meaning
ceremonial display or splendor; grandeur
Example
The graduation ceremony was full of pomp and circumstance.
毕业典礼充满了盛大和华丽。
C2 adjective /ˈsteɪ.dʒi/

stagy

过于戏剧化
Meaning
Overly theatrical, artificial, or exaggerated in manner or style.
Example
Her performance felt stagy and unnatural.
她的表演显得过于戏剧化和不自然。
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。
B1 noun /saɪt/

site

位置
Meaning
a location or place, often used for a specific purpose, such as a construction site or a website
Example
The construction site is ready for the next phase of the project.
建设现场已准备好进入项目的下一阶段。
B2 noun /ˌærɪˈstɑːkrəsi/

aristocracy

贵族
Meaning
a class of people holding exceptional rank and privileges, especially hereditary nobility
Example
The aristocracy often had influence over political decisions.
贵族往往对政治决策有影响。
C2 noun /rɪˈdʒɔɪndər/

rejoinder

回应
Meaning
a quick or witty reply; a response to a remark or argument
Example
His sharp rejoinder silenced the crowd.
他犀利的回答让人群安静下来。
B2 noun /ˈtrɪl.jən/

trillion

万亿
Meaning
a number equal to 1,000 billion, or 10^12
Example
The company's worth has risen to over a trillion dollars.
公司的价值已经超过了一万亿美元。
C1 noun /ɒpˈtɒmɪtrɪst/

optometrist

眼科验光师
Meaning
A healthcare professional who examines eyes and prescribes corrective lenses.
Example
The optometrist prescribed new glasses for her.
眼科验光师为她开了新的眼镜。
C1 verb /ɪˈroʊd/

erode

侵蚀
Meaning
to gradually wear away or destroy by natural forces such as water, wind, or chemical action
Example
The coastline has begun to erode due to constant waves.
海岸线因持续的波浪开始侵蚀。
C1 adjective /fəˈnætɪk/

Fanatic

狂热者
Meaning
extremely passionate about something; showing excessive enthusiasm or devotion
Example
He is a fanatic supporter of his football team.
他是他足球队的狂热支持者。
A2 adjective /ˈpraɪ.mɛr.i/

primary

主要的, 首要的
Meaning
Most important; main; happening first.
Example
Education is a primary factor in economic growth.
教育是经济增长的一个主要因素。
C1 adjective /ɪɡˈzɔːr.bɪ.tənt/

exorbitant

过高的
Meaning
Unreasonably high in price or cost; excessive.
Example
The hotel charged an exorbitant price for a basic room.
酒店为一个普通房间收取了过高的费用。
B2 noun /pərˈspek.tɪv/

Perspective

视角
Meaning
a particular attitude toward or way of regarding something; a point of view; the art of representing three-dimensional objects
Example
From his perspective, the decision was completely wrong.
从他的角度看，这个决定完全错误。
A2 noun /bɪl/

Bill

鸟嘴
Meaning
the beak of a bird, especially when it is broad and flat
Example
The duck used its bill to filter food from the water.
那只鸭子用它的喙从水中过滤食物。
A2 noun əˈlɪm.pɪk ɡeɪmz

Olympic Games

奥林匹克运动会
Meaning
The world's largest international sports competition held every four years, bringing together athletes from different countries to compete in various sports.
Example
The Olympic Games bring together the world's top athletes.
奥林匹克运动会汇聚了世界上最顶尖的运动员。
A2 adjective /ˈɑːnɪst/

honest

诚实
Meaning
free of deceit and untruthfulness; sincere
Example
She is known as an honest and trustworthy person.
她被认为是一个诚实和值得信赖的人。
B2 verb /sɔːr/

soar

翱翔 / 快速增长
Meaning
to fly or rise high in the air; to increase rapidly or dramatically
Example
The eagle soared high above the mountains.
鹰飞得很高，越过山脉。
C2 adjective /ˈnjuː.ɡə.tɔːr.i/

nugatory

微不足道
Meaning
Of little or no value; worthless or insignificant.
Example
His efforts were nugatory and did not change the outcome.
他的努力微不足道，未能改变结果。
B1 noun /ˈhɔːlweɪ/

hallway

走廊
Meaning
a corridor in a building that connects rooms
Example
The kids left their shoes in the hallway.
孩子们把鞋子留在了走廊里。
C2 noun əˈdʒuː.dɪ.kə.tɪv ˈbɒd.i

adjudicative body

裁决机构
Meaning
An official organization that has the authority to judge disputes and make decisions.
Example
The adjudicative body deliberated on the case.
裁定机构对案件进行了审议。
B1 noun /ˈtʌnəl/

tunnel

隧道
Meaning
an underground passage or shaft
Example
They dug a tunnel under the river.
他们在河底挖了一个隧道。
A1 pronoun /ɪt/

it

它
Meaning
used to refer to a thing, animal, or idea previously mentioned or easily identified
Example
It is raining outside.
外面在下雨。
B2 verb /əˈkɒmədeɪt/

accommodate

容纳
Meaning
To provide lodging, space, or meet the needs of someone.
Example
The hotel can accommodate up to 200 guests.
酒店可以容纳最多200位客人。
C1 adjective /ˈflaʊəri/

flowery

花哨的 / 装饰的
Meaning
Full of flowers or overly elaborate in style or language.
Example
She wrote a flowery letter filled with poetic phrases.
她写了一封充满诗意的花哨信。
B2 noun /ˈɪə.rə/

Era

时代
Meaning
a long and distinct period of history with a particular feature or characteristic
Example
The Renaissance was an era of great artistic and cultural achievement.
文艺复兴是一个伟大的艺术和文化成就的时代。
B2 noun /ˈzɪɡzæɡ/

Zigzag

具有突然的交替向左和向右转的路径或线条；急转弯的图案
Meaning
a line or course having abrupt alternate right and left turns; a pattern of sharp turns
Example
The road follows a zigzag pattern up the mountain.
这条路在山上呈锯齿形曲线。
C1 noun /ɪˈreləvəns/

irrelevance

无关性
Meaning
the quality of not being connected to or important for a particular matter; lack of significance
Example
His long explanation only highlighted the irrelevance of the details to the main issue.
他冗长的解释只凸显了这些细节与主要问题的无关性。
B2 adjective /ˈvɜː.bəl/

verbal

口头的，通过文字表达
Meaning
Relating to or in the form of words; spoken rather than written.
Example
Verbal communication is essential in most situations.
口头沟通在大多数情况下是必需的。
C1 noun /rɪˈvʌlʃən/

revulsion

厌恶
Meaning
a strong feeling of disgust or repulsion
Example
She felt revulsion at the sight of the cruel act.
她看到残忍的行为时感到厌恶。
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, verb /rɪər/

rear

后面 / 抚养
Meaning
the back part of something; to bring up or raise children or animals
Example
The mother cat reared her kittens in a quiet corner.
母猫在安静的角落里抚养她的猫仔。
B2 adjective /ˈʃeɪ.ki/

Shaky

不稳定的; 发抖的; 不可靠的; 弱的
Meaning
unstable; trembling; unreliable; weak
Example
His voice was shaky with nervousness.
他的声音因紧张而颤抖。
C1 noun /krʌst/

crust

外壳
Meaning
the hard outer surface of something, especially bread or the Earth's outer layer
Example
He cut off the crust of the bread before eating.
他在吃之前切去了面包的外壳。
B2 noun /ˈtɛmpoʊ/

tempo

节奏, 速度
Meaning
The speed or pace at which a piece of music or activity is performed.
Example
The band played the song at a faster tempo than usual.
乐队以比平常更快的节奏演奏了这首歌。
C2 adjective /ɪnˈvaɪələbl/

inviolable

不可侵犯的
Meaning
never to be broken, dishonored, or violated
Example
Human rights are considered inviolable in modern democracies.
在人权被视为不可侵犯的现代民主国家。
A2 noun /əˈbɪləti/

Ability

能力; 技能
Meaning
the power or skill to do something; capacity
Example
She has the ability to solve complex problems.
她有解决复杂问题的能力。
C1 noun /ˈkɑr.nɪdʒ/

Carnage

屠杀
Meaning
the killing of a large number of people; widespread slaughter
Example
The battlefield was filled with carnage after the brutal war.
战争后，战场上充满了大屠杀。
C1 adjective /ɪˈrɛpərəbəl/

Irreparable

不可修复的
Meaning
impossible to repair or fix; permanent damage that cannot be undone
Example
The accident caused irreparable damage to his spine.
事故导致了他脊柱的不可修复损伤。
C2 noun /əˈnæb.ə.lɪ.zəm/

anabolism

合成代谢
Meaning
The set of metabolic pathways that construct molecules from smaller units, involving tissue repair and growth.
Example
Anabolism is essential for muscle growth and tissue repair.
合成代谢对肌肉生长和组织修复至关重要。
C2 noun /ˈsɜːrtɪˌtjuːd/

certitude

确定性
Meaning
Absolute certainty or conviction about something.
Example
She spoke with certitude about the outcome of the case.
她以确定的语气谈论案件的结果。
B2 verb /ʌnˈfəʊld/

unfold

展开或打开
Meaning
to open or spread out something that was folded; to gradually reveal or develop
Example
She unfolded the letter carefully.
她小心地展开了信件。
C2 adjective /ˌpriːpəˈzɛsɪŋ/

prepossessing

迷人
Meaning
Attractive or appealing in appearance or manner.
Example
She had a prepossessing smile that charmed everyone.
她有一个迷人的微笑，让每个人都着迷。
B2 noun /ˈkʊriər/

courier

快递员
Meaning
a person or company that delivers messages, packages, or mail
Example
The courier delivered the documents on time.
快递员准时交付了文件。
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。
C1 noun ˈdaɪ.nə.sti

dynasty

王朝
Meaning
A line of hereditary rulers of a country; a succession of people from the same family who play a prominent role in business, politics, or another field.
Example
The Ming dynasty ruled China for centuries.
明朝统治了中国几个世纪。
C1 noun, adjective /dɪˈrɪvətɪv/

derivative

衍生物
Meaning
Something that is based on another source; in math, a measure of how a function changes.
Example
The film was criticized for being too derivative of earlier works.
这部电影因过于模仿早期作品而受到批评。
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。
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。
C2 noun /ˈoʊɡər/

ogre

Meaning
A mythical monster, often depicted as large, hideous, and cruel; metaphorically, a cruel or terrifying person.
Example
The villagers feared the ogre who lived in the dark forest.
A1 adjective /lɑːrdʒ/

Large

大; 巨大的; 庞大的
Meaning
of considerable size, extent, or intensity; big
Example
The large building dominated the city skyline.
那座大楼主宰了城市的天际线。
C1 noun /ɪnˈdjuːsmənt/

inducement

诱因
Meaning
something that persuades or encourages someone to do something
Example
The company offered a bonus as an inducement to employees.
公司提供了奖金作为员工的诱因。
C1 verb /rɪˈpiːl/

repeal

Meaning
To officially cancel or revoke a law or decision.
Example
The government decided to repeal the outdated law.
C1 noun /ˈfænsiər/

fancier

爱好者
Meaning
a person who has a special interest in a particular thing or activity, especially animals or hobbies
Example
He is a fancier of rare birds.
他是稀有鸟类的爱好者。
B1 noun /əˈnaʊnsmənt/

announcement

公告
Meaning
a public or formal statement giving information
Example
The principal made an important announcement about the new schedule.
校长关于新时间表做了一个重要的公告。