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B1 noun /ˈbækʌp/

backup

备份
Meaning
a copy of data stored separately to protect against loss
Example
Make sure to have a backup of your important files.
确保备份您的重要文件。
C2 adjective /ˌdɒktrɪˈnɛər/

doctrinaire

教条主义者
Meaning
stubbornly devoted to a theory or doctrine without regard to practical considerations
Example
His doctrinaire approach to politics alienated many supporters.
他对政治的教条主义方法使许多支持者感到疏远。
C2 adjective /ˈreə.rɪ.faɪd/

rarefied

Meaning
Of high moral, intellectual, or cultural value; distant from ordinary life.
Example
He works in the rarefied world of classical music.
C1 noun /ˌkɒnstəˈneɪʃən/

consternation

惊愕
Meaning
A feeling of anxiety, dismay, or confusion, often caused by something unexpected.
Example
The sudden announcement caused widespread consternation among the employees.
突如其来的宣布在员工中引起了广泛的惊愕
B2 adverb /ˈvɜː.tʃu.ə.li/

Virtually

几乎; 实际上;
Meaning
nearly; almost; in effect though not in name
Example
The building was virtually destroyed in the earthquake.
这座建筑在地震中几乎被摧毁。
B2 noun /ˌsɛkʃuˈæləti/

sexuality

性别认同
Meaning
a person's capacity for sexual feelings and orientation
Example
She spoke openly about her sexuality and identity.
她公开谈论了她的性别认同和身份。
B2 noun /ˈfrɪkʃən/

friction

摩擦
Meaning
the resistance that one surface or object encounters when moving over another; conflict or tension between people or groups
Example
There was friction between the two departments over resource allocation.
在资源分配问题上，两个部门之间有摩擦。
C2 noun əˌklaɪ.mə.tɪˈzeɪ.ʃən

acclimatization

适应
Meaning
The process of adapting to a new environment or condition.
Example
The hikers needed time for acclimatization to high altitudes.
徒步旅行者需要时间来适应高海拔。
C2 noun /ˈlæn.sɪt/

lancet

外科小刀
Meaning
a small, sharp, two-edged surgical knife used for making small incisions
Example
The doctor used a lancet to prick the patient’s finger for a blood test.
医生用兰塞特刺破病人的手指进行血液检测。
C2 adjective /ˈkoʊltɪʃ/

coltish

Meaning
Playful, energetic, and not fully mature or disciplined.
Example
The coltish boy ran around the field without a care.
C1 noun /braɪn/

brine

盐水
Meaning
Water saturated with salt, often used for preserving food.
Example
The olives were stored in brine to keep them fresh.
橄榄被保存在盐水中以保持新鲜。
C1 noun /ˈnʌr.ɪʃ.mənt/

nourishment

营养
Meaning
Food and nutrients necessary for the body's growth and development.
Example
Proper nourishment is essential for child development.
适当的营养对儿童的发展至关重要。
C1 verb /ˈfɜːrmɛnt/

ferment

经历一个化学过程，其中糖分转化为酒精或酸; 激起或引发变化
Meaning
to undergo a chemical process where sugars are converted to alcohol or acid; to incite or stir up change
Example
The grapes are left to ferment for several weeks.
葡萄被留下来发酵几个星期。
C1 verb /əˈmæs/

amass

积累
Meaning
to gather together or accumulate over a period of time
Example
He managed to amass a fortune through wise investments.
他通过明智的投资成功地积累了财富。
C1 adjective /ˈwɪst.fəl/

Wistful

渴望的; 忧郁的
Meaning
having a feeling of longing or yearning; melancholy
Example
She gave a wistful smile when remembering her childhood days.
她在回忆起童年时，露出了一丝惆怅的微笑。
C2 noun /pɪˈdɒl.ə.dʒi/

pedology

土壤学
Meaning
The study of soils in their natural environment.
Example
Pedology helps scientists understand soil fertility.
土壤学帮助科学家理解土壤的肥力。
B2 adjective /rɪˈfreʃ.ɪŋ/

Refreshing

清新
Meaning
making one feel energized and renewed; pleasantly new or different
Example
The cool breeze was refreshing after the hot day.
在炎热的日子之后，凉爽的微风让人感觉清新。
C2 noun /ˈæntiˌkraɪst/

antichrist

敌基督
Meaning
A person regarded as the supreme opponent of Christ, often seen as a figure of ultimate evil.
Example
Some people fear the rise of an Antichrist in the future.
有些人害怕未来出现敌基督。
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。
B2 noun ɪnˈtɛɡrɪti

integrity

完整性
Meaning
The quality of being honest and having strong moral principles; moral uprightness.
Example
Teachers' integrity fosters a positive learning environment.
教师的完整性促进了积极的学习环境。
B2 verb /ˈsʌməraɪz/

summarize

总结
Meaning
To give a brief statement of the main points of something
Example
She summarized the report in just a few minutes.
她在几分钟内总结了报告。
B2 noun /ˈkʌs.tə.mər rɪˈten.ʃən/

Customer Retention

客户保持
Meaning
The ability of a company or product to retain its customers over some specified period.
Example
High customer retention increases business sustainability.
高客户保持率增加了商业可持续性。
C2 verb /prɪˈværɪkeɪt/

prevaricate

Meaning
to avoid telling the truth by not giving a direct answer
Example
The politician began to prevaricate when asked about the scandal.
B2 noun ˌkɒn.ekˈtɪv.ɪ.ti

connectivity

连接性
Meaning
The state of being connected or interconnected; the capacity for the interconnection of platforms, systems, and applications.
Example
Improved connectivity boosts economic development.
改善的连接性促进了经济发展。
C1 noun ˌæp.əˈreɪ.təs

apparatus

设备
Meaning
The technical equipment or machinery needed for a particular activity or purpose.
Example
The apparatus was designed to be eco-friendly.
该设备设计为环保型。
C2 noun /ˈkloʊtʃər/

cloture

辩论结束程序
Meaning
a procedure for ending a debate and taking a vote.
Example
The Senate invoked cloture to end the lengthy debate.
参议院启动了辩论结束程序以结束长时间的辩论。
A2 adjective /ˈnæʃənəl/

national

国家的
Meaning
relating to a nation, especially its culture, language, or government
Example
The national anthem was played at the ceremony.
国歌在仪式上播放。
B2 verb /kənˈfrʌnt/

confront

面对
Meaning
to face someone or something directly, especially in a challenge or conflict
Example
She had to confront her fears before making the speech.
她在演讲前必须面对自己的恐惧。
B1 noun kəˈmɪt.mənts

commitments

承诺
Meaning
Formal pledges or promises to do something, especially in terms of obligations or agreements.
Example
Global commitments to renewable energy are increasing.
全球对可再生能源的承诺正在增加。
C1 verb /ˈhɪpnətaɪz/

hypnotize

催眠
Meaning
to put someone into a state of hypnosis; to influence someone's mind deeply
Example
The magician tried to hypnotize the audience.
魔术师试图催眠观众。
C2 noun /ˈsækrɪsti/

sacristy

圣器室
Meaning
a room in a church where sacred vessels and vestments are kept
Example
The priest entered the sacristy before the mass began.
神父在弥撒开始前进入了圣器室。
C2 verb /ˈmɒlikɒdl/

mollycoddle

宠爱
Meaning
To treat someone in an overprotective and indulgent way.
Example
Parents should avoid mollycoddling their children too much.
父母应避免过度宠爱他们的孩子。
C2 adjective /ˌɪnˌɑːpərˈtuːn/

inopportune

不合时宜的时刻
Meaning
Happening at a bad or inconvenient time.
Example
His call came at the most inopportune moment.
他的电话在最不合时宜的时刻打来。
C1 adjective /ˈsæljʊˌtɛri/

salutary

有益的
Meaning
Producing good effects; beneficial, especially after something unpleasant.
Example
The accident was a salutary reminder to drive carefully.
这场事故是一个有益的提醒，要小心驾驶。
A1 noun /pəˈteɪ.toʊ/

Potato

土豆
Meaning
a round white vegetable with a brown or red skin that grows underground
Example
She boiled potatoes for dinner.
她煮了土豆做晚餐。
A2 verb /ˈɑːrɡjuː/

argue

争论
Meaning
to have a disagreement; to present reasons for or against
Example
They often argue about politics.
他们经常争论政治。
A2 noun /ˈnek.ləs/

Necklace

项链
Meaning
a piece of jewelry that is worn around the neck
Example
She wore a beautiful diamond necklace to the party.
她在派对上戴着一条漂亮的钻石项链。
C1 verb /ˌriːəˈfɜːrm/

reaffirm

重申
Meaning
To state again strongly; to confirm or strengthen a statement or belief.
Example
The president reaffirmed his commitment to education reform.
总统重申了他对教育改革的承诺。
C2 noun /ˌtrænspəˈzɪʃən/

transposition

转位
Meaning
the act of changing the order or position of something
Example
The transposition of digits caused an error in the calculation.
数字的转位导致了计算中的错误。
C1 adjective /ˈrævənəs/

ravenous

饥饿
Meaning
Extremely hungry; famished.
Example
After the long hike, she was ravenous and ate quickly.
长时间的徒步旅行后，她饿极了，吃得很快。
B2 noun /wɪðˈdrɔːəl/

withdrawal

提款
Meaning
the act of taking something back or removing oneself from a situation
Example
He made a withdrawal of $500 from his bank account.
他从银行账户提取了500美元。
B2 adjective /ˈnær.ə.tɪv/

Narrative

叙述的; 描述性的; 讲述故事的
Meaning
relating to storytelling; descriptive; telling a story; recounting events
Example
The narrative structure of the novel was quite complex.
这本小说的叙述结构相当复杂。
C1 adjective /ˈpəʊtəbl/

potable

可饮用的
Meaning
safe to drink; drinkable
Example
The villagers did not have access to potable water.
村民没有水源可以饮用。
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。
B2 noun /ˈhæs.əl/

Hassle

麻烦; 不便; 困难
Meaning
irritating inconvenience; trouble or difficulty; a situation causing problems
Example
Booking tickets online can save you the hassle of waiting in long queues at the theater.
在线预订门票可以帮你省去在剧院排长队的麻烦。
C1 adjective /səˈtɪrɪkəl/

satirical

讽刺的
Meaning
containing or using satire to criticize or mock
Example
The satirical cartoon mocked the government's new policy.
讽刺漫画嘲笑了政府的新政策。
B1 noun /rɪˈkʌvəri/

recovery

恢复
Meaning
the process of recovering or returning to a normal state
Example
The patient is in recovery after the surgery.
患者在手术后正在恢复中。
A1 noun/verb /maɪnd/

mind

心智 / 注意
Meaning
the part of a person that enables them to think, feel, and reason; to pay attention or take care
Example
Please mind the gap between the train and the platform.
请注意火车与站台之间的间隙。
C2 verb /ˈnɪtˌpɪk/

nitpick

Meaning
To find and criticize small or unimportant faults in someone or something.
Example
She tends to nitpick about every little detail.
B2 verb /ˈfɜːrnɪʃ/

furnish

布置, 提供
Meaning
to provide or supply with furniture or equipment
Example
They furnished the new house with modern furniture.
他们用现代家具布置了新房。
C1 adjective /ˈraɪtfəl/

rightful

合法的
Meaning
having a legitimate or just claim; proper or lawful
Example
She is the rightful owner of the property.
她是该财产的合法所有者。
C2 adjective /mɛnˈdeɪʃəs/

mendacious

虚伪的
Meaning
not telling the truth; lying
Example
The politician was known for his mendacious statements.
那位政治家以他的虚伪言论而闻名。
C1 noun /ˌbaɪˈlæt.ər.əl nɪˌɡəʊ.ʃiˈeɪ.ʃənz/

bilateral negotiations

双边谈判
Meaning
Negotiations or discussions between two parties, typically countries or organizations.
Example
Bilateral negotiations resolve disputes.
双边谈判解决争议。
C1 noun /ˈnɪkəl/

nickel

镍币
Meaning
a small coin, typically worth five cents in the United States
Example
He found a nickel on the ground.
他在地上找到了一个镍币。
C2 noun /ˈpɒtˌbɔɪlə/

potboiler

低级文学作品
Meaning
a book, play, or film produced quickly to make money rather than for artistic value
Example
The novel was dismissed by critics as a mere potboiler.
这本小说被评论家视为仅仅是一本低级文学作品。
B2 noun /dʒɔː/

Jaw

下巴
Meaning
either of the two bones forming the framework of the mouth in most vertebrates
Example
She broke her jaw in the accident.
她在事故中打破了下巴。
B2 noun /ˈpɪs.təl/

Pistol

手枪
Meaning
a small gun that can be held and fired with one hand
Example
The officer drew his pistol from the holster.
警察从枪套中拔出了手枪。
B2 adjective /ˈlɪniər/

linear

线性
Meaning
Arranged in or extending along a straight line.
Example
The artist used linear perspective in his drawings.
艺术家在他的画作中使用了线性透视。
C2 adjective /vəˈreɪʃəs/

veracious

真实的
Meaning
Truthful, honest; habitually speaking the truth.
Example
She gave a veracious account of what happened that day.
她给出了那天发生的事情的真实描述。
A2 verb /bit/

beat

打
Meaning
to strike repeatedly; to defeat; to pulsate rhythmically
Example
Our team will beat theirs in the final match.
我们的团队将在决赛中击败他们。
B1 adjective /ʌnˈjuzd/

Unused

未使用的; 没有被使用
Meaning
not being used; not having been used before
Example
There are many unused rooms in this old mansion.
这个古老的豪宅里有许多未使用的房间。
C1 noun kənˌsɒl.ɪˈdeɪ.ʃən

Consolidation

记忆巩固
Meaning
The process of converting newly learned information into long-term memory
Example
Sleep plays a key role in memory consolidation.
睡眠在记忆巩固中扮演着关键角色。
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。
C2 noun /ˈtɒksɪn/

tocsin

警报钟
Meaning
an alarm bell or signal; a warning that something bad is about to happen
Example
The data breach sounded a tocsin for stricter security.
数据泄露响起了警报钟，警示着需要更严格的安全措施。
B2 adjective /njuːˈmɛrɪkəl/

numerical

数字的
Meaning
relating to or expressed in numbers
Example
The report provides numerical data on population growth.
报告提供了有关人口增长的数字数据。
C2 noun /ˌpɜːrtərˈbeɪʃn/

perturbation

扰动
Meaning
A state of anxiety, disturbance, or disorder.
Example
The announcement caused a perturbation in the financial markets.
公告导致了金融市场的扰动。
A1 pronoun /ðɪs/

this

这个
Meaning
used to refer to a person or thing that is close or near in space, time, or thought
Example
This is my favorite book.
这是我最喜欢的书。
C2 noun /ˈfuːləri/

foolery

愚蠢
Meaning
Silly or foolish behavior or actions.
Example
His constant foolery made the meeting hard to take seriously.
他不断的愚蠢让会议变得难以认真对待。
C2 noun /ˈfoʊ.li.oʊ/

folio

大书或手稿
Meaning
A sheet of paper folded once to form two leaves (four pages) of a book; also a term for a large book or manuscript.
Example
The library houses an ancient Shakespeare folio.
图书馆里有一本古老的莎士比亚大书。
A2 noun /ˈpɪloʊ/

Pillow

枕头
Meaning
a soft cushion used to support the head while sleeping
Example
She rested her head on the soft pillow.
她把头放在柔软的枕头上。
C2 noun /ˈækəlaɪt/

acolyte

Meaning
a follower or assistant, especially in a religious service or as a devoted supporter of a leader
Example
The senator arrived with a small group of acolytes who handled the press.
B2 verb /plʌk/

pluck

摘取, 鼓起勇气
Meaning
to take hold of and quickly remove; to gather courage or determination
Example
She plucked a flower from the garden.
她从花园里摘了一朵花。
B1 verb /siːk/

seek

寻找
Meaning
to try to find or obtain something; to attempt or desire to achieve
Example
He decided to seek advice from his mentor.
他决定向他的导师寻求建议。
C1 noun /ˈʃæmbəlz/

shambles

一片混乱
Meaning
a state of complete disorder or ruin
Example
After the storm, the whole town was in shambles.
风暴过后，整个城镇陷入了一片混乱。
C2 adjective /dɪˈtɜːrmɪnət/

determinate

确定的
Meaning
having exact and definite limits or form
Example
The contract is for a determinate period of two years.
合同是为期两年的确定期限。
B2 noun /dɪˈstɜː.bəns/

Disturbance

干扰; 打扰; 不安
Meaning
the interruption of a settled and peaceful condition; anxiety or mental uneasiness
Example
The loud music created a disturbance that bothered all the neighbors.
大声的音乐制造了一个干扰，打扰了所有邻居。
C1 noun /ˈkaʊntərˌpɔɪnt/

counterpoint

对比点
Meaning
an argument, idea, or theme contrasting with another; also a musical term for independent melody
Example
Her calm attitude was a counterpoint to his anger.
她的平静态度是他愤怒的对比点。
A2 adjective /ˈkʌmɪŋ/

coming

即将来临
Meaning
approaching or happening soon
Example
We are preparing for the coming festival.
我们正在为即将来临的节日做准备。
B2 noun /həˈræsmənt/

harassment

骚扰
Meaning
aggressive pressure or intimidation; unwanted and repeated behavior causing discomfort
Example
The company has a strict policy against workplace harassment.
公司对职场骚扰有严格的政策。
B1 adjective /ˈiː.ɡər/

Eager

渴望的; 兴奋的; 热切的
Meaning
showing keen interest; enthusiastic; having or showing desire and excitement
Example
She was eager to start her new job.
她急切地等待着开始她的新工作。
B2 adjective /əˈnɒn.ɪ.məs/

Anonymous

匿名的; 无名的
Meaning
having an unknown name or identity; nameless
Example
The author published the book under an anonymous pseudonym.
作者以匿名的笔名出版了这本书。
C2 noun /ˈsɛʃən/

cession

放弃权利或财产
Meaning
The formal giving up of rights, property, or territory, especially by a state.
Example
The treaty resulted in the cession of land to the neighboring country.
条约导致了土地的转让给邻国。
C2 adjective /ɪnˈkɒntɪnənt/

incontinent

失禁
Meaning
lacking control over urination or defecation; lacking self-restraint
Example
The patient was incontinent after surgery.
病人在手术后失禁。
C2 noun /ˈaɪdlər/

idler

懒汉
Meaning
A person who avoids work or spends time lazily.
Example
He was known as an idler who wasted his days.
他被称为一个懒汉，浪费了他的日子。
A2 noun /ˈdeɪ.tə/

Data

数据
Meaning
facts and statistics collected together for reference or analysis; information in digital form
Example
Scientists analyzed the data from thousands of experiments to reach their conclusion.
科学家分析了来自数千个实验的数据，以得出结论。
B2 noun, verb /nɜːrv/

nerve

神经; 勇气
Meaning
A bundle of fibers in the body that transmits signals between the brain and other parts; also courage or audacity.
Example
She gathered the nerve to speak in front of the large audience.
她鼓起勇气在大观众面前发言。
B1 noun ˈbæl.ənst daɪ.ət

balanced diet

均衡饮食
Meaning
A diet consisting of the proper quantities and proportions of foods needed to maintain health or growth.
Example
A balanced diet is essential for maintaining good health.
均衡饮食对维持良好的健康至关重要。
B2 adjective /ˌmɛtrəˈpɑːlɪtən/

metropolitan

大都市
Meaning
Relating to a large city, its surrounding areas, or its lifestyle.
Example
She moved to a metropolitan area for better job opportunities.
她为了更好的工作机会搬到了大都市区域。
C1 noun ˈsʌs.tɪ.nəns

Sustenance

维持生命的食物或支持
Meaning
Food or support necessary for sustaining life
Example
Water is essential for human sustenance.
水是人类生存的必要条件。
C1 noun /ˈtoʊɡə/

toga

托加
Meaning
A loose outer garment worn in ancient Rome, typically draped over the shoulders and body.
Example
The senator wore a white toga during the ceremony.
参议员在仪式期间穿着白色的托加。
B2 adjective /ʌnˈɡreɪt.fəl/

Ungrateful

忘恩负义
Meaning
not feeling or showing thanks for something done or given; not appreciating kindness
Example
She felt he was ungrateful for all the help she had given him.
她觉得他对她给予的所有帮助都忘恩负义。
B1 verb /fəʊld/

fold

Meaning
to bend something, especially paper or cloth, so that one part covers another
Example
She folded the letter neatly before placing it in the envelope.
C1 adjective /ˌfɪl.ænˈθrɒp.ɪk/

philanthropic

慈善的
Meaning
showing concern for the welfare of others; generous and charitable
Example
She is known for her philanthropic activities in the city.
她因在城市中的慈善活动而闻名。
B2 noun /wɜːrld ɪnˈvaɪrənmənt deɪ/

World Environment Day

世界环境日
Meaning
An annual global event celebrated on June 5 to raise awareness about environmental protection and encourage action for environmental conservation.
Example
World Environment Day is celebrated every year on June 5.
世界环境日每年6月5日庆祝。
B2 adjective /ˈmɪstʃɪvəs/

Mischievous

顽皮的; 淘气的; 调皮的
Meaning
playfully naughty; causing minor trouble; impish
Example
The mischievous child hid his sister's favorite toy.
顽皮的孩子把他姐姐最喜欢的玩具藏了起来。
C1 noun /ˈdʒʌŋk.tʃər/

Juncture

关键时刻
Meaning
a particular point in events or time; a critical moment when important decisions must be made
Example
At this juncture, we need to make a crucial decision about our future.
在这个关键时刻，我们需要做出关于未来的重要决策。
C1 adjective /ˈraɪ.tʃəs/

Righteous

正义的; 公正的; 有道德的
Meaning
morally right or justifiable; virtuous; having strong moral principles
Example
She felt righteous anger at the unfair treatment of workers.
她对工人们的不公正待遇感到正义的愤怒。
C1 verb /rɪˈvoʊk/

revoke

撤销
Meaning
To officially cancel or withdraw a decision, privilege, or right.
Example
The government decided to revoke his passport.
政府决定撤销他的护照。
B2 adjective /ˈflɔː.ləs/

Flawless

完美的; 无缺陷
Meaning
perfect; without any defects or faults; immaculate
Example
Her flawless performance earned her a standing ovation.
她完美的表现为她赢得了全场起立的掌声。
B1 adverb /ˈkʌrəntli/

currently

目前
Meaning
at the present time; now
Example
He is currently working on a new project.
他目前正在做一个新项目。
C1 noun /ˌpæl.pɪˈteɪ.ʃən/

Palpitation

由于激动或医学状况引起的明显快速、强烈或不规则的心跳
Meaning
a noticeably rapid, strong, or irregular heartbeat due to agitation or medical condition
Example
She experienced palpitations before her job interview.
她在面试前感受到了心悸。
C2 verb /ˈkæstɪˌɡeɪt/

castigate

严厉批评
Meaning
To criticize someone severely or to punish harshly.
Example
The teacher castigated the students for their poor behavior.
老师因学生不良行为而严厉批评他们。
B2 noun /ˌek.əˈnɒm.ɪk səˌsteɪ.nəˈbɪl.ə.ti/

economic sustainability

经济可持续性
Meaning
The ability of an economy to support a defined level of economic production indefinitely.
Example
Economic sustainability drives long-term growth.
经济可持续性推动长期增长。
C2 adjective /ˈmɒnɪtəri/

monitory

警示性的
Meaning
Giving a warning or cautionary advice; serving to warn.
Example
His monitory tone made everyone cautious about their next move.
他警示性的语气让每个人对下一步感到谨慎。
B1 noun /ɑːrmz/

Arms

武器
Meaning
weapons and ammunition; firearms
Example
The soldiers carried their arms into battle.
士兵们带着他们的武器进入战斗。
A2 noun dɪˈvaɪs

device

设备, 工具, 电子设备
Meaning
A thing made or adapted for a particular purpose, especially a piece of mechanical or electronic equipment.
Example
This device improves efficiency in data processing.
该设备提高了数据处理的效率。
C2 adjective /səˈleɪʃəs/

salacious

淫秽的
Meaning
Having or conveying undue or inappropriate sexual interest.
Example
The tabloid published a salacious story about the celebrity.
小报发布了关于名人的淫秽故事。
B2 noun /prəˈtɛktər/

protector

保护者
Meaning
a person or thing that protects someone or something
Example
The dog was seen as the family's protector.
这只狗被视为家庭的保护者。
C1 noun /ˈpoʊtənsi/

potency

效能
Meaning
The power or ability of something to affect or influence; strength or effectiveness.
Example
The potency of the new medicine amazed the doctors.
新药的效能令医生们惊讶。
C1 noun /ˈmɑːrtər/

Martyr

烈士
Meaning
A person who is killed because of their religious or political beliefs
Example
He became a martyr for the cause of freedom and democracy.
他为了自由和民主的事业成为了烈士。
A2 noun/verb/adjective /ˈsʌbdʒɪkt/ (noun), /səbˈdʒɛkt/ (verb)

subject

主题
Meaning
noun: a topic or theme; verb: to cause to undergo; adjective: dependent or under authority
Example
The teacher introduced a new subject in class.
老师在课堂上介绍了一个新主题。
B2 adjective /ˈkwɑːn.tɪ.teɪ.tɪv/

Quantitative

定量的
Meaning
relating to quantity or amount; expressed in terms of numbers or measurements
Example
The study provides quantitative evidence of climate change effects.
该研究提供了气候变化影响的定量证据。
C1 noun /ˈrɒndɪvuː/

rendezvous

约会
Meaning
a meeting or appointment at an agreed time and place
Example
They arranged a secret rendezvous at the café.
他们在咖啡馆安排了一次秘密的会面。
C1 noun /ˈmænəˌrɪzəm/

Mannerism

习惯行为
Meaning
A habitual gesture or way of speaking or behaving; an idiosyncrasy
Example
His constant throat clearing had become an annoying mannerism.
他不断清嗓子已成为一种恼人的习惯行为。
C1 noun /ˌpɒl.iˈtek.nɪk/

polytechnic

理工学院
Meaning
an educational institution offering practical and technical courses
Example
She studied engineering at a well-known polytechnic in her city.
她在她所在城市的知名理工学院学习工程学。
C2 noun /ˈrɛd.ə.ləns/

redolence

香气
Meaning
a pleasant smell or the quality of suggesting something strongly
Example
The redolence of jasmine filled the evening air.
茉莉花的香气充满了傍晚的空气。
A2 noun /kənˌɡrætʃ.əˈleɪ.ʃənz/

Congratulations

祝贺
Meaning
words expressing praise for an achievement or good wishes on a special occasion
Example
Congratulations on your promotion! You really deserved this success.
恭喜晋升！你真的值得这次成功。
B2 adjective /ˈɪnˌsaɪtfəl/

insightful

有洞察力的
Meaning
Showing deep understanding or perceptiveness.
Example
The professor gave an insightful lecture on global economics.
教授就全球经济进行了有洞察力的讲座。
B2 noun /ˈsɛtlər/

settler

定居者
Meaning
a person who settles in a new area or land
Example
The settlers arrived in the new town and started building homes.
定居者们抵达新城市并开始建造房屋。
C2 noun /ˈtʃæm.pæk/

Champak

香木花
Meaning
a fragrant yellow or white flower from a tree native to South Asia, used in perfumes and religious ceremonies
Example
The champak tree in the temple courtyard bloomed with golden flowers.
寺庙庭院中的香木花树开满了金色的花。
B2 noun /ˈɒpəreɪtər/

operator

操作员
Meaning
a person who operates equipment, a business, or controls something
Example
The machine operator ensured that everything ran smoothly.
机器操作员确保一切顺利运行。