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B2 adjective ˈaɪsəˌleɪtɪd

isolated

孤立
Meaning
Alone or separated from others; having little or no contact with other people.
Example
Technological advancements often leave people isolated.
技术进步常常使人们感到孤立。
C2 adjective /kəˈprɪʃəs/

capricious

善变的
Meaning
given to sudden and unaccountable changes of mood or behavior
Example
The stock market can be capricious, shifting dramatically without warning.
股票市场可能是善变的，剧烈变化没有警告。
C1 noun /ˈboʊ.ə/

Boa

蟒蛇
Meaning
a large non-venomous snake that kills prey by constriction
Example
The boa constrictor wrapped around its prey.
波阿蛇缠绕着它的猎物。
A1 noun /ˈmʌn.deɪ/

monday

星期一
Meaning
the first day of the working week following Sunday
Example
I start my new job on Monday.
我星期一开始新工作。
B2 noun /ˈpoʊ.di.əm/

Podium

讲台
Meaning
a small platform on which a person may stand to be seen by an audience
Example
The winner stood on the podium to receive the gold medal.
获胜者站在讲台上领奖。
C1 noun /kæpˈtɪv.ɪ.ti/

Captivity

禁锢
Meaning
the condition of being imprisoned or confined
Example
After years of captivity, the prisoner was finally released.
经过多年的禁锢，囚犯终于被释放。
A1 verb /juːz/

use

使用
Meaning
to employ something for a purpose; to take advantage of
Example
I use my computer for work and entertainment.
我用我的计算机来工作和娱乐。
C2 adjective /ˌæk.si.əˈmæt.ɪk/

axiomatic

自明的，显然无需证明的真理
Meaning
Self-evident, obviously true without need for proof
Example
It is axiomatic that hard work leads to success.
努力工作是自明的，成功将随之而来。
C1 adjective /ɪnˈkɒŋɡruəs/

incongruous

不一致
Meaning
Not fitting in with or suitable for the surroundings.
Example
His jokes were incongruous during the serious meeting.
他的笑话在严肃的会议中显得不一致。
C1 adjective /ˌʌnbɪˈliːvɪŋ/

unbelieving

不相信的
Meaning
Not willing or able to believe; skeptical or doubtful
Example
She gave him an unbelieving look when he claimed to have met a celebrity.
当他声称见过一位名人时，她给了他一个不相信的眼神。
A1 noun /ˈlet.ər/

Letter

字母; 信
Meaning
a character representing one or more of the sounds used in speech; a written message, typically sent in an envelope
Example
She wrote a letter to her grandmother.
她给她的祖母写了一封信。
C1 noun /bʊk ˈbaɪn.dər/

Book binder

图书装订工
Meaning
a person whose job is to fasten the pages of books together and put covers on them
Example
The old book binder carefully restored the antique manuscript.
老图书装订工仔细恢复了古老的手稿。
B1 noun/adjective /ˈsmoʊ.kɪŋ/

smoking

吸烟
Meaning
The act of inhaling and exhaling the smoke of tobacco or other substances; wearing a tuxedo (adjective, formal context).
Example
Smoking is prohibited inside the building.
建筑物内禁止吸烟。
B1 adjective ˌsaɪənˈtɪfɪk

scientific

科学的
Meaning
Based on or characterized by the methods and principles of science.
Example
Scientific discoveries continue to shape our understanding of the world.
科学发现继续塑造我们对世界的理解。
A2 noun /θiːf/

Thief

小偷
Meaning
a person who steals things from others
Example
The thief was caught stealing from the jewelry store.
小偷在珠宝店偷东西时被抓住了。
C1 noun /kəˈmɪtl̩/

committal

监禁 / 扣押
Meaning
The action of sending a person to prison or a mental hospital; also the act of committing something to a particular place.
Example
The judge ordered the committal of the accused to custody.
法官命令将被告送入拘留。
C2 adjective /ˌmɛrəˈtrɪʃəs/

meretricious

华而不实
Meaning
apparently attractive but having no real value or integrity.
Example
The design was flashy but meretricious.
设计华丽但华而不实。
C1 adjective /tænˈdʒɛnʃəl/

tangential

切线的
Meaning
relating to or along a tangent; slightly or indirectly related to something
Example
His remarks were tangential to the main topic of discussion.
他的评论与讨论的主题有点关系。
C1 noun /səbˈmɜːrdʒəns/

submergence

沉没
Meaning
the act or process of being submerged or going underwater
Example
The submergence of coastal areas is a major concern due to rising sea levels.
由于海平面上升，沿海地区的沉没成为一个重大问题。
C2 noun /ˌæk.wiˈes.əns/

acquiescence

默许
Meaning
The reluctant acceptance of something without protest.
Example
His silent acquiescence to unfair rules was surprising.
他对不公正规则的默许让人吃惊。
A2 verb, noun /dɪsˈlaɪk/

dislike

不喜欢
Meaning
to feel distaste or aversion for someone or something; a feeling of aversion
Example
I really dislike eating spicy food.
我真的不喜欢吃辣的食物。
B2 adjective /ʌnˈriːzənəbəl/

unreasonable

不合理的
Meaning
not guided by reason or fairness; excessive or extreme beyond what is acceptable
Example
The manager made an unreasonable demand that no one could realistically meet.
经理提出了一个不合理的要求。
C1 adjective, noun /ɔːɡˈzɪliəri/

auxiliary

辅助
Meaning
(adjective) providing supplementary or additional help and support; (noun) a person or thing that provides auxiliary support
Example
The hospital has an auxiliary power generator in case of emergencies.
医院有一个备用发电机，以防紧急情况。
C1 verb /dɪˈluːd/

delude

欺骗
Meaning
To mislead someone into believing something that is not true.
Example
He deluded himself into thinking he could win the race without training.
他欺骗自己认为自己可以不训练就赢得比赛。
A1 verb /send/

send

发送
Meaning
to cause something to go or be taken to a particular destination; to transmit
Example
I will send you an email with the details.
我会给你发送一封包含详细信息的电子邮件。
C2 verb /dʒɛˈstɪkjʊleɪt/

gesticulate

手势表达
Meaning
to use gestures, especially dramatic ones, instead of speaking or to emphasize one's words
Example
He gesticulated wildly to get their attention.
他疯狂地做着手势，以引起他们的注意。
C1 adjective /səbˈsɪd.i.ər.i/

Subsidiary

附属的; 次要的; 与子公司相关
Meaning
less important than the main thing; secondary; of or relating to a subsidiary company
Example
The subsidiary company handles all overseas operations.
子公司负责所有海外业务。
C1 adjective ˌmɒn.jʊˈmɛn.təl

monumental

极其重要的，巨大的或纪念性的
Meaning
Great in importance, extent, or size; exceptionally great; forming or serving as a monument.
Example
The discovery of electricity was a monumental achievement.
电的发现是一次纪念碑式的成就。
C2 verb /bɪˈleɪbər/

belabor

Meaning
to argue or elaborate on a subject in excessive detail; to attack verbally or physically
Example
The professor belabored the point until the students grew restless.
B2 verb /siːz/

seize

夺取
Meaning
To take hold of suddenly and forcibly.
Example
The police managed to seize the stolen goods.
警察成功没收了被盗的货物。
B1 noun /bloʊ/

Blow

打击；用手、武器或坚硬物体的强力打击
Meaning
a powerful stroke with a hand, weapon, or hard object
Example
The boxer delivered a devastating blow to his opponent.
拳击手给对手造成了毁灭性的打击。
C1 adverb /ˈɪnwərdli/

inwardly

内心
Meaning
In the mind or spirit; not outwardly visible.
Example
She smiled outwardly but inwardly she was worried.
她外表微笑，但内心却感到担忧。
B1 noun /skriːn/

Screen

屏幕
Meaning
a flat surface on which pictures or words are shown; a movable partition used to divide a room
Example
The movie was displayed on a large screen in the theater.
电影在剧院的大屏幕上播放。
B1 noun /əˈtæʧmənt/

attachment

依附
Meaning
a strong feeling of affection or connection
Example
The attachment he felt to his hometown was undeniable.
他对家乡的依附感是不可否认的。
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。
B1 verb /dɪsˈtrɪbjuːt/

distribute

分发
Meaning
to give out or spread something among several people or places
Example
The teacher will distribute the test papers.
老师将分发测试试卷。
A2 verb /wɛr/

wear

穿戴
Meaning
to have clothing or accessories on one's body
Example
She likes to wear bright colors.
她喜欢穿亮色的衣服。
B1 noun pɔːrt

Port

港口
Meaning
A town or city with a harbor where ships load or unload.
Example
Ports improve maritime trade.
港口促进了海上贸易。
C2 adjective /ˌɪrɪˈkɒnsɪləbl/

irreconcilable

不可调和的
Meaning
impossible to make compatible or bring into harmony; unable to resolve differences
Example
The couple separated due to irreconcilable differences.
这对夫妇因不可调和的分歧而分开。
C2 noun /ˌnjʊə.rəʊˈdʒɛn.ɪ.sɪs/

neurogenesis

大脑中新神经细胞的形成过程
Meaning
The process of forming new nerve cells in the brain.
Example
Scientists are studying neurogenesis to understand brain health.
科学家们正在研究神经发生，以了解大脑健康。
A1 noun /eɡ/

Egg

蛋
Meaning
an oval object laid by female birds, reptiles, fish, and insects, used as food
Example
I had scrambled eggs for breakfast this morning.
今天早上我吃了炒蛋。
C2 noun /ˌbrɪɡ.əˈdɪər/

brigadier

布里加迪尔
Meaning
A military officer rank, usually commanding a brigade.
Example
The brigadier inspected the troops before the parade.
布里加迪尔在游行前检查了部队。
B1 noun /ˈbaɪər/

buyer

买家
Meaning
a person who makes a purchase
Example
The buyer inspected the car before making payment.
买家在付款之前检查了这辆车。
B1 adjective /ˈsoʊ kɔːld/

so-called

Meaning
referred to as or known by a particular name or title, often misleadingly
Example
The so-called expert couldn't answer the question.
B1 adjective /əˈfɪʃəl/

official

官方
Meaning
relating to or connected with an authority or public office
Example
He is the official spokesperson for the company.
他是公司的官方发言人。
C2 verb /ɪnˈhjuːm/

inhume

埋葬
Meaning
to bury a dead body in the ground
Example
They inhumed the warrior with full honors.
他们用全部荣誉埋葬了战士。
C1 noun /ˈæd.və.ser.i/

adversary

对手
Meaning
One's opponent in a contest, conflict, or dispute.
Example
The boxer faced a strong adversary in the ring.
拳击手在擂台上面对一个强大的对手。
A2 adjective /sər'praɪzd/

Surprised

惊讶
Meaning
feeling or showing surprise; astonished
Example
I was surprised to see my old friend at the market.
我在市场看到我的老朋友时感到惊讶。
B2 adjective /ˈhɜː.bəl/

herbal

草药的
Meaning
Made from or containing herbs, especially for medicinal purposes.
Example
Herbal remedies were widely used here.
这里广泛使用草药疗法。
C1 verb /ˈpeɪtrənaɪz/

patronize

屈尊俯就
Meaning
to treat someone in a condescending way; to be a regular customer of a business
Example
Don't patronize me with your fake sympathy.
不要用你虚假的同情来屈尊俯就我。
C1 noun /ˈsɛntrɪˌfjuːdʒ/

centrifuge

离心机
Meaning
A machine that spins substances at high speed to separate different components.
Example
The lab technician used a centrifuge to separate the blood cells from the plasma.
实验室技术员使用离心机将血细胞从血浆中分离出来。
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。
C1 adjective /priːˈɛmɪnənt/

preeminent

杰出
Meaning
Surpassing all others; very distinguished in some way.
Example
She is a preeminent scientist in the field of genetics.
她是遗传学领域的杰出科学家。
C1 adverb/adjective /vɜːˈbeɪ.tɪm/

verbatim

逐字或逐句
Meaning
In exactly the same words as were used originally; word for word repetition.
Example
She repeated his instructions verbatim to avoid errors.
她逐字重复了他的指示，以避免错误。
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。
C1 noun ˌɪrɪˈvɜːrsəbl ˈdæmɪdʒ

irreversible damage

不可逆的损害
Meaning
Harm or injury that cannot be undone or repaired.
Example
Climate change causes irreversible damage to ecosystems.
气候变化对生态系统造成了不可逆的损害。
B1 noun, verb /strɪŋ/

string

线
Meaning
a thin piece of cord or thread; to tie or fasten with a string
Example
She tied the package with a string.
她用一根线绑了包裹。
C1 adjective /ɪˈnɔːrdənət/

inordinate

过度的
Meaning
Excessive or unusually large in degree.
Example
She spent an inordinate amount of time on her phone.
她在手机上花费了过多的时间。
C2 noun /rɪˈpruːf/

reproof

指责，谴责
Meaning
An expression of blame or disapproval.
Example
His careless words drew a sharp reproof from his mother.
他不小心的话语引来了母亲的严厉指责。
A1 conjunction /ænd/

and

和
Meaning
Used to connect words or sentences that are to be taken jointly.
Example
She bought apples and oranges.
她买了苹果和橙子。
C1 noun /ˌdɪsərˈteɪʃən/

dissertation

学位论文
Meaning
A long piece of writing on a particular subject, usually written for a university degree.
Example
She spent two years writing her doctoral dissertation.
她花了两年时间写她的博士论文。
C2 verb /ˈdɛsɪkreɪt/

desecrate

亵渎
Meaning
to treat a sacred place or object with disrespect or violation
Example
The vandals desecrated the ancient temple walls with graffiti.
破坏者用涂鸦亵渎了古老的寺庙墙壁。
A2 noun /ˈhɑː.bi/

Hobby

爱好; 休闲活动; 消遣
Meaning
an activity done regularly in one's leisure time for pleasure; a pastime or recreation
Example
Photography became her favorite hobby after she received a camera for her birthday.
摄影成为她的最爱爱好，在她生日时收到了相机。
B1 verb /hiːl/

heal

治愈
Meaning
to cure; to become healthy again
Example
Time will heal all wounds.
时间会治愈所有的伤口。
A2 noun kɒsts

Costs

成本
Meaning
An amount that has to be paid or spent to buy or obtain something.
Example
Reducing costs improves profit margins.
降低成本可以提高利润率。
C2 noun /ˈpoʊ.ə.si/

poesy

诗意
Meaning
poetry; the art or composition of poems
Example
The anthology was filled with romantic poesy.
这本选集充满了浪漫的诗意。
C2 verb /ˈdʒɜːrnəlaɪz/

journalize

在日记中记录
Meaning
to record daily transactions or events in a journal, especially in accounting
Example
The accountant will journalize all financial transactions at the end of the day.
会计员将在一天结束时记录所有财务交易。
A1 verb /smaɪl/

smile

微笑
Meaning
to express happiness or friendliness by turning the corners of the mouth upwards
Example
She smiled when she saw the gift.
她看到礼物时笑了。
C1 adjective, noun /ˈdɛrəlɪkt/

derelict

废弃的
Meaning
in poor condition due to neglect or disuse; a homeless or neglected person
Example
The old factory stood derelict for decades.
那座老工厂废弃了几十年。
C1 noun /səˈnɑːtə/

sonata

音乐作品 (奏鸣曲)
Meaning
A musical composition for one or more instruments, typically in several movements.
Example
She performed a beautiful Beethoven sonata on the piano.
她在钢琴上演奏了贝多芬的美丽奏鸣曲。
C1 adjective məˈθɒd.ɪ.kəl

methodical

有条理的
Meaning
Done according to a systematic or established procedure; orderly and systematic.
Example
His methodical research produced reliable results.
他的有条理的研究产生了可靠的结果。
C1 verb /ˈnjuːtrəlaɪz/

neutralize

中和
Meaning
to make something ineffective or harmless
Example
The medicine helped neutralize the poison in his system.
药物帮助中和了他体内的毒素。
B2 verb /hɔːnt/

haunt

困扰
Meaning
to trouble persistently; to visit as a ghost
Example
The old memories still haunt me.
旧的记忆仍然困扰着我。
B2 noun /temp.ˈteɪ.ʃən/

Temptation

诱惑
Meaning
the desire to do something wrong or unwise; an urge to have or do something
Example
He resisted the temptation to eat the entire chocolate cake.
他抵抗了吃掉整块巧克力蛋糕的诱惑。
B2 noun /əˈstrɒnəmər/

astronomer

天文学家
Meaning
a scientist who studies the stars, planets, and the universe
Example
The astronomer observed the new comet through his telescope.
天文学家通过他的望远镜观察到新的彗星。
A2 verb /ˈmænɪdʒ/

manage

管理
Meaning
to control or organize something; to succeed in doing something difficult
Example
He manages a team of twenty employees effectively.
他有效地管理着二十名员工。
C2 verb /bɪˈleɪbə/

belabour

过分强调
Meaning
to explain something repeatedly or with excessive detail; to criticize or attack verbally at length
Example
The teacher did not belabour the point once the students understood it.
当学生已经理解后，老师没有过分强调这一点。
C1 noun /ˈkwæɡˌmaɪər/

quagmire

泥潭，困境
Meaning
a soft, wet area of land that gives way underfoot; a complex or dangerous situation
Example
The hikers were trapped in a political quagmire.
徒步旅行者被困在一个政治泥潭中。
C2 adjective /dɪˈrɪzəbl/

derisible

可嘲笑的
Meaning
deserving ridicule or mockery
Example
His excuse was so weak that it was plainly derisible.
他的借口如此虚弱，以至于显然是可嘲笑的。
C2 noun /pɪks/

pyx

用于存放圣体的小容器
Meaning
a small container, often used in Christian liturgy to carry the consecrated host
Example
The priest placed the consecrated host into the pyx before visiting the sick.
神父在探访病人之前将圣体放入皮克斯。
B2 noun wɪnd ˈen.ə.dʒi

wind energy

风能
Meaning
Energy generated from wind using wind turbines to convert kinetic energy into electrical power.
Example
Wind energy is harnessed in Masdar City.
风能在马斯达尔市得到利用。
C1 verb /rɪˈmɪt/

remit

汇款 / 免除
Meaning
To send money in payment or as a gift; to cancel or refrain from exacting a debt or punishment.
Example
He promised to remit the payment by the end of the week.
他承诺在本周末之前汇款。
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。
C2 noun /ˈmɒnəɡrɑːf/

monograph

Meaning
A detailed written study of a single specialized subject or aspect of it.
Example
The professor published a monograph on ancient pottery.
C1 noun /ˈfɔːls.hʊd/

Falsehood

虚伪; 谎言
Meaning
the state of being untrue; a lie
Example
The politician was caught spreading falsehoods about his opponent.
那位政治家被抓到散播关于对手的谎言。
A2 adjective /mɪkst/

mixed

混合的
Meaning
consisting of different elements or having varied opinions or feelings
Example
The audience had mixed reactions to the film.
观众对电影的反应混合。
C1 adjective /ˈpriːmə/

prima

主要的, 卓越的
Meaning
first or most important; excellent
Example
She was treated as the prima ballerina of the troupe.
她被视为舞蹈团的首席舞者。
C2 noun /əˈmæl.ɡəm/

amalgam

混合物
Meaning
a mixture or blend of different things
Example
The new policy is an amalgam of several previous laws.
新政策是多个先前法律的混合物。
C1 verb /ˈlæmɪˌneɪt/

laminate

覆膜
Meaning
to cover or enclose something with a protective layer, usually plastic
Example
She laminated her important documents to protect them from damage.
她把重要的文件进行了塑料封面处理，以保护它们免受损坏。
B1 noun /ˈbeɡər/

Beggar

乞丐
Meaning
a person who lives by asking for money or food
Example
The beggar sat by the temple asking for alms.
乞丐坐在寺庙旁乞讨。
B1 adjective /ˈɛd.jʊ.keɪ.tɪd/

educated

有教养的
Meaning
Having received a good level of formal schooling or training; knowledgeable
Example
She is an educated woman who values lifelong learning.
她是一个受过良好教育的女性，重视终身学习。
B2 adjective /ʌnˈskɪld/

Unskilled

无技能的; 无技术的工人
Meaning
lacking technical training or ability; not requiring special skills
Example
Many unskilled workers are looking for training opportunities.
许多没有技能的工人正在寻找培训机会。
B2 noun sliːp ˌdɛprɪˈveɪʃən

sleep deprivation

睡眠不足
Meaning
The condition of not having enough sleep; lack of adequate sleep.
Example
Sleep deprivation can severely impact mental health.
睡眠不足可能严重影响心理健康。
B2 noun /saɪˈkɒlədʒɪst/

psychologist

心理学家
Meaning
a person who studies mental processes and behavior
Example
The psychologist helped him cope with his anxiety.
心理学家帮助他应对焦虑。
B2 noun ˈsəʊ.ʃəl ˈdʒʌs.tɪs

social justice

社会正义
Meaning
Justice in terms of the distribution of wealth, opportunities, and privileges within a society.
Example
Social justice ensures equality of opportunity.
社会正义确保平等的机会。
C1 noun /ˌmɪsˈkɒn.dʌkt/

Misconduct

不当行为
Meaning
Unacceptable or improper behavior, especially by a professional person
Example
The officer was dismissed for professional misconduct.
该官员因职业不当行为被解雇。
C1 noun dɪˈsʌɪsɪvnɪs

decisiveness

决策能力
Meaning
The ability to make decisions quickly and effectively.
Example
His decisiveness during the crisis saved the company.
他在危机中的果断决策拯救了公司。
B2 noun /ˈtɜːrbən/

Turban

头巾
Meaning
a head covering made by wrapping a long piece of cloth around the head
Example
The Sikh man wore a colorful turban.
那位锡克教徒戴着一顶彩色的头巾。
C2 noun /daɪn/

dyne

力的单位（厘米-克-秒制）
Meaning
A unit of force in the centimeter-gram-second (cgs) system equal to 10⁻⁵ newtons.
Example
The physicist measured the force in dynes.
物理学家用代因测量力。
B1 noun /ˈlæbrətɔːri/

laboratory

实验室
Meaning
A room or building equipped for scientific experiments, research, or teaching.
Example
The students conducted the experiment in the chemistry laboratory.
学生们在化学实验室进行了实验。
C2 adjective /bəˈθɛt.ɪk/

bathetic

琐碎的情感
Meaning
displaying insincere or trivial emotion; producing an unintended ridiculous effect through sudden change from serious to silly
Example
The movie's ending was unintentionally bathetic rather than tragic.
电影的结局是琐碎的，而不是悲剧性的。
C1 noun /ˈaʊtriːtʃ/

outreach

援助扩展
Meaning
The act of providing services or support to people who might not otherwise have access to them.
Example
The charity launched a new outreach program for the homeless.
慈善机构为无家可归的人推出了一个新的援助扩展计划。
C2 noun /ˈɡræfaɪt/

graphite

石墨
Meaning
a soft, black form of carbon used in pencils and as a lubricant
Example
The artist sketched the portrait using a graphite pencil.
艺术家用石墨铅笔勾画了肖像。
A2 noun /rɪˈfrɪdʒ.ər.eɪ.tər/

Refrigerator

冰箱
Meaning
an appliance for keeping food and drinks cold
Example
Please put the milk in the refrigerator to keep it fresh.
请把牛奶放进冰箱里保持新鲜。
B2 noun /ɪɡˌzædʒ.əˈreɪ.ʃən/

Exaggeration

夸张
Meaning
a statement that represents something as better or worse than it really is
Example
His story about the fish he caught was clearly an exaggeration.
他关于他抓到的鱼的故事显然是夸张的。
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。
C2 adjective /ˈpɛktərəl/

pectoral

胸肌
Meaning
Relating to the chest or breast.
Example
The athlete focused on strengthening his pectoral muscles.
运动员专注于增强他的胸肌。
B1 noun /ˈreɪn.dɪər/

Reindeer

驯鹿
Meaning
a large deer with branched horns that lives in cold northern areas
Example
Santa's reindeer pulled his sleigh across the sky.
圣诞老人的驯鹿拉着他的雪橇穿越天空。
C1 adjective /ˈməʊltən/

molten

熔化的
Meaning
Made into liquid by heat; melted.
Example
The blacksmith poured molten metal into the mold.
铁匠把熔化的金属倒入模具中。
B2 noun ˈvɜː.tʃu.əl ˈklɑːs.ruːmz

virtual classrooms

虚拟教室
Meaning
An online learning environment where teachers and students interact via digital platforms.
Example
Virtual classrooms enable remote learning for students worldwide.
虚拟教室为全球学生提供远程学习的机会。
C1 noun /ˈsɑːɡə/

saga

长篇故事
Meaning
A long story of heroic achievement, or a long, complex series of events.
Example
The company's rise and fall became a corporate saga.
公司的兴衰成为了一部企业传奇。
B2 adjective /ˈkwestʃənəbl/

Questionable

可疑的
Meaning
doubtful; dubious; suspicious; open to doubt or suspicion
Example
His questionable business practices led to an investigation.
他的可疑商业行为导致了一项调查。
B2 noun /ˈtɔːr.ment/

Torment

折磨; 痛苦
Meaning
severe physical or mental suffering; extreme pain or anguish
Example
The prisoner endured years of torment in solitary confinement.
囚犯在单独监禁中忍受了多年的折磨。
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。
B2 noun /heɪ/

hay

干草
Meaning
grass that has been cut, dried, and stored for use as animal feed
Example
The cows were eating hay in the barn.
牛在谷仓里吃干草。
B2 noun /ˈbrɔːd.bænd/

broadband

宽带
Meaning
a high-capacity transmission technique using a wide range of frequencies.
Example
Broadband internet has become a necessity in modern homes.
宽带互联网已成为现代家庭的必需品。
C1 verb /proʊˈtrækt/

protract

延长
Meaning
To prolong or extend in time or duration.
Example
Negotiations were protracted for several months.
谈判持续了几个月。
B2 verb /ˈɛskɔrt/

escort

护送
Meaning
to accompany someone; to guide or protect while going somewhere
Example
The guard escorted the visitor to the office.
卫兵护送来访者到办公室。
C2 verb /ˈsɛreɪt/

serrate

锯齿边缘
Meaning
To make a saw-toothed edge or notched margin.
Example
The craftsman serrated the knife blade for better cutting.
工匠将刀片锯齿化，以提高切割效果。
C1 noun /sɪlt/

silt

泥沙
Meaning
Fine sand, clay, or other material carried by running water and deposited as a sediment.
Example
The river deposited layers of silt along its banks.
河流在其河岸上沉积了层层的泥沙。
C2 noun /ɪˈfrʌntəri/

effrontery

厚颜无耻或鲁莽的胆量
Meaning
shameless or rude boldness
Example
He had the effrontery to lie even when caught red-handed.
即使被当场抓住，他也厚颜无耻地撒谎。