Viewless
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
C2 adjective /ˈvjuː.ləs/

Viewless

不可见的；没有观点的
Meaning
invisible; having no views or opinions
Example
The ghost remained viewless to most people in the haunted house.
鬼魂对大多数人来说在鬼屋里是不可见的。
B2 adjective /ˈvaɪəbəl/

viable

可行的, 可操作的
Meaning
Capable of working successfully; feasible.
Example
A viable solution is necessary for long-term success.
一个可行的解决方案对长期成功至关重要。
C1 verb /vaɪ/

vie

争夺
Meaning
To compete eagerly with someone in order to do or achieve something.
Example
Several companies are vying for the contract.
几家公司正在争夺合同。
A2 verb /ˈvɪzɪtɪŋ/

visiting

拜访
Meaning
Going to see and spend time with someone or at a place.
Example
The group is visiting islands during the expedition.
小组在远征期间访问岛屿。
B2 adjective /ˈvɪɡ.ər.əs/

vigorous

充满活力
Meaning
Characterized by high energy and vitality.
Example
Regular exercise keeps the body vigorous and healthy.
定期锻炼保持身体充满活力和健康。
C2 noun /ˌvælɪˈdɪkʃən/

valediction

告别辞
Meaning
The act of saying farewell; a formal goodbye.
Example
The professor gave a touching valediction at his retirement ceremony.
教授在退休仪式上发表了感人的告别辞。
A2 noun /ˈvedʒtəbəl ɔɪl/

Vegetable oil

植物油
Meaning
Oil extracted from plants, seeds, or nuts used for cooking
Example
She heated vegetable oil in the pan before adding the vegetables.
她在锅里加热植物油，然后加入蔬菜。
C2 noun /ˈvaɪəl/

viol

一种古老的弦乐器
Meaning
A stringed musical instrument of the Renaissance and Baroque periods, played with a bow and similar to but distinct from the violin family.
Example
The musician played an old viol in the chamber music concert.
音乐家在室内音乐会中演奏了一把古老的维奥尔。
A2 noun /vəˈkæbjʊləri/

vocabulary

词汇
Meaning
the set of words known and used by a person, group, or language; the words used in a particular field or subject
Example
Reading every day helps improve your vocabulary.
每天阅读有助于提高你的词汇量。
C2 adjective /ˈviː.ni.əl/

Venial

可原谅的；不严重错误；轻微的
Meaning
forgivable; not seriously wrong; minor
Example
His late arrival was considered a venial offense.
他的迟到被认为是一个可原谅的过错。
B2 verb /ˈvaɪəleɪt/

violate

违反
Meaning
to break or go against a rule or law; to disrespect
Example
Parking here violates the city regulations.
在这里停车违反了城市规定。
C1 noun /ˈvɪɡər/

vigor

活力
Meaning
Physical strength, energy, or enthusiasm.
Example
She tackled the project with great vigor and determination.
她以巨大的活力和决心投入到这个项目中。
C2 verb /ˈvæsɪleɪt/

vacillate

幸福
Meaning
to waver between different opinions or actions; be indecisive
Example
He vacillated between studying law and becoming a writer.
她在获得奖项时无法掩饰自己的幸福。
C2 adjective /ˈvɪtriəs/

vitreous

玻璃状
Meaning
having a glass-like appearance or quality
Example
The mineral has a vitreous shine.
这种矿物有玻璃状的光泽。
B2 verb /ˈvaɪbreɪt/

vibrate

震动
Meaning
To move or cause to move continuously and rapidly back and forth.
Example
The phone began to vibrate on the table.
电话开始在桌子上震动。
C2 noun /ˈvoʊtəri/

votary

信徒
Meaning
A devoted follower or admirer of someone or something.
Example
He is a votary of classical music and attends every concert.
他是古典音乐的信徒，每场音乐会都会参加。
B2 noun /ˈveɪ.pər/

Vapour

蒸汽
Meaning
a substance in the form of a gas, especially when it has changed from a liquid or solid state
Example
Water vapour rose from the hot pavement after the rain.
水蒸气在雨后从热的路面上升。
C1 noun /vɪnˈjɛt/

vignette

小品
Meaning
A short, descriptive piece of writing or a brief scene.
Example
The author included a poignant vignette in the introduction of the book.
作者在书的序言中加入了一篇感人的小品。
C2 adjective /ˈvɒkətɪv/

vocative

呼格
Meaning
relating to a case in grammar used for directly addressing someone
Example
In Latin, the vocative case is used when directly calling someone by name.
在拉丁语中，呼格用来直接用名字呼唤某人。
A2 verb /voʊt/

vote

投票
Meaning
to make a choice in an election; to express preference
Example
Citizens vote to choose their representatives.
公民投票选举他们的代表。
C1 adjective /ˈvæljənt/

Valiant

英勇的; 英雄的
Meaning
showing courage or determination; brave and heroic
Example
The valiant soldier fought bravely to protect his country.
英勇的士兵勇敢地战斗，保护了他的国家。
C1 noun /ˈvɜː.tɪ.kəl ˈfɑː.mɪŋ/

vertical farming

垂直农业
Meaning
The practice of growing crops in vertically stacked layers, often incorporating controlled-environment agriculture.
Example
Vertical farming ensures maximum space utilization in urban areas.
垂直农业确保城市区域的最大空间利用。
C2 adjective /vɪˈtjuːpərətɪv/

vituperative

辱骂的
Meaning
Characterized by abusive or harsh language.
Example
The teacher’s vituperative remarks left the students in tears.
老师的辱骂言辞让学生们泪流满面。
C1 noun /vɛnˈdɛtə/

vendetta

复仇
Meaning
a prolonged bitter quarrel or campaign of revenge
Example
The two families were caught in a bitter vendetta for generations.
这两个家庭世代相传，陷入了长久的复仇。
C1 adjective ˈvɪdʒ.ɪ.lənt

vigilant

警觉
Meaning
Keeping careful watch for possible danger or difficulties; alert and watchful.
Example
The guards remained vigilant throughout the night.
警卫整晚保持警觉。
C2 adjective /ˌvɛrɪˈsɪmɪlər/

verisimilar

类似于真实
Meaning
appearing to be true or real
Example
The story seemed verisimilar though it was entirely fictional.
这个故事看起来类似于真实，尽管它完全是虚构的。
C2 noun /ˈvɪrjʊləns/

virulence

毒性
Meaning
The severity or harmfulness of a disease or poison.
Example
Scientists studied the virulence of the new virus strain.
科学家研究了新病毒株的毒性。
C2 adjective /vaɪˈkɛəriəs/

vicarious

幸福
Meaning
experienced through the feelings or actions of another person
Example
She felt vicarious excitement watching her son win the award.
当她获得奖项时，她无法掩饰自己的幸福。
C1 verb /ˈvɪktɪmaɪz/

victimize

迫害
Meaning
To make someone a victim, often by treating them unfairly or cruelly.
Example
The corrupt officials victimized the poor villagers.
腐败的官员对贫困的村民进行了迫害。
C2 adjective /ˈvɛndɪbəl/

vendible

可销售的
Meaning
Capable of being sold; marketable.
Example
Only vendible products were displayed at the trade fair.
只有可销售的产品在贸易展会上展示。
C1 adjective /ˈvɪrjʊlənt/

virulent

极其有害
Meaning
Extremely severe or harmful in its effects.
Example
The virulent disease spread rapidly across the region.
这种病毒性疾病迅速在该地区传播。
C1 noun /ˈvælər/

valor

英勇
Meaning
Great courage in the face of danger, especially in battle.
Example
The soldier was honored for his valor during the war.
士兵因在战争中表现出的英勇而受到表彰。
B2 adjective /ˈvɪʃ.əs/

Vicious

恶毒的; 残忍的; 野性的
Meaning
deliberately cruel or violent; having a savage nature
Example
The vicious dog attacked anyone who came near its territory.
那只恶狗攻击任何接近其领土的人。
B2 verb /ˈvɪʒuəlaɪz/

visualize

想象
Meaning
To form a mental image of something; to imagine.
Example
She tried to visualize her success before the big presentation.
她在大演讲前尝试去想象自己的成功。
C2 adjective /ˈvɪrəl/

virile

男性化
Meaning
having traditionally masculine qualities, such as strength, energy, and sexual vigor
Example
The actor was admired for his virile appearance.
演员因其男性化的外貌而受到赞赏。
A1 noun /ˈvɪdiəʊ/

video

视频
Meaning
a recording of moving visual images made digitally or on film
Example
She watched the video of her favorite concert online.
她在网上观看了她最喜欢的演唱会视频。
C1 adjective /ˈvɑːlətl/

volatile

波动的
Meaning
likely to change rapidly and unpredictably, especially for the worse
Example
The stock market is extremely volatile these days.
股市这些天极其波动。
C2 adjective /ˈvɛdʒɪtəl/

vegetal

植物的
Meaning
relating to or consisting of plants or vegetation
Example
The soup had a distinct vegetal flavor.
汤有一种独特的植物味。
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。
C2 adjective /vəˈlʌptʃuəs/

voluptuous

奢华的
Meaning
Relating to or characterized by luxury and sensual pleasure; sexually attractive.
Example
The artist painted a voluptuous figure reclining on the couch.
艺术家画了一幅奢华的雕像，躺在沙发上。
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。
B1 abbreviation /vərsəs/

vs

对抗
Meaning
used to indicate opposition or contrast between two things
Example
The match was Brazil vs Argentina in the final.
比赛是巴西对抗阿根廷的决赛。
C1 verb /ˈveɪpəraɪz/

vaporize

蒸发
Meaning
to turn into vapor or gas
Example
The heat of the sun can vaporize water from the surface.
太阳的热量可以使水从表面蒸发。
B1 noun /ˈviːɪkəl/

Vehicle

车辆; 汽车; 媒介
Meaning
a thing used for transporting people or goods, especially on land; a means of expressing or displaying something
Example
The electric vehicle is becoming more popular these days.
电动汽车在这些日子里越来越受欢迎。
C1 adjective /ˈvendʒ.fəl/

Vengeful

怀恨的
Meaning
seeking to harm someone in return for a perceived injury; vindictive
Example
She felt vengeful after her friend betrayed her trust.
她在朋友背叛她的信任后感到复仇心重。
A2 noun /ˈvɒlibɔːl/

volleyball

排球
Meaning
a team sport in which players hit a ball over a high net using their hands
Example
She plays volleyball with her friends every weekend.
她每个周末都和朋友一起打排球。
B1 preposition /ˈvɜːsəs/

versus

对抗
Meaning
against (in a competition or conflict)
Example
The team is playing versus their biggest rivals.
团队正在与他们最大的竞争对手对抗。
C2 adjective /ˈvælərəs/

valorous

勇敢的
Meaning
showing great courage and bravery
Example
The valorous soldier led his troop into battle without hesitation.
勇敢的士兵毫不犹豫地带领他的部队进入战斗。
C1 noun ˌvæljuˈeɪʃən

valuation

估价
Meaning
An estimation of the worth of something.
Example
The valuation of the property was much higher than expected.
该物业的评估远高于预期。
C1 noun /ˈvɜːrtɪˌɡoʊ/

vertigo

幸福
Meaning
A sensation of spinning or dizziness, often caused by problems in the inner ear or brain.
Example
She felt a sudden vertigo when she looked down from the tall building.
当她获得奖项时，她无法掩饰自己的幸福感。
B1 noun /ˈvɒl.juːm/

volume

体积
Meaning
the amount of space that a substance or object occupies, or that is enclosed within a container
Example
The volume of water in the tank increased after the rain.
雨后水箱中的体积增加了。
B2 noun ˌvɛntɪˈleɪʃən

ventilation

通风
Meaning
The provision of fresh air to a room, building, etc.
Example
Proper ventilation is essential for maintaining air quality.
良好的通风对于保持空气质量至关重要。
B1 noun /ˈvəʊtə/

voter

选民
Meaning
a person who votes in an election
Example
Voters lined up outside the polling station to cast their ballots.
选民们排队站在投票站外，等待投票。
B1 noun /ˈvæk.juːm/

vacuum

真空
Meaning
A space entirely devoid of matter; an absence of atmosphere or content.
Example
The scientist created a vacuum chamber for the experiment.
科学家为实验创建了一个真空室。
C2 verb /ˈvɛdʒɪteɪt/

vegetate

发呆
Meaning
to live in a dull, inactive, or unchallenging way, often with little physical or mental effort
Example
He spent his vacation vegetating on the couch in front of the TV.
他把假期都用来在沙发上看电视，什么都不做。
C2 noun ˈvaɪ.və ˈvəʊs

viva voce

口试
Meaning
An oral examination, typically for an academic qualification.
Example
Viva Voce tests communication skills.
Viva Voce 考试评估沟通技巧。
C2 adjective ˌvɪz.ju.oʊˈspeɪ.ʃəl

visuospatial

与通过视觉理解空间和物体之间的关系有关
Meaning
Related to understanding the relationship between space and objects through vision.
Example
Good visuospatial skills are important for architecture and design.
良好的视觉空间技能对建筑和设计非常重要。
A2 noun /veɪˈkeɪ.ʃən/

Vacation

假期
Meaning
a period of time when someone does not go to work or school but is free to do what they want, such as travel or relax
Example
I'm planning a vacation to the beach next summer.
我计划明年夏天去海滩度假。
C2 adjective /ˈvɛəriəˌɡeɪtɪd/

variegated

五彩斑斕
Meaning
Having different colors, especially in irregular patches or streaks.
Example
The garden was full of variegated plants.
花園裡充滿了五彩斑斕的植物。
C2 noun /ˈvaɪənd/

viand

佳肴
Meaning
an item of food, especially a delicacy
Example
The banquet was filled with rich viands and wines.
宴会充满了丰盛的佳肴和美酒。
C2 noun /ˈvæləns/

valance

装饰帷幔
Meaning
A decorative drapery hung across the top of a window or bed.
Example
She chose a floral valance to match the curtains in her bedroom.
她选择了一款花卉装饰帷幔来搭配她卧室里的窗帘。
C1 verb /ˈvɛnəˌreɪt/

venerate

敬仰
Meaning
to regard with great respect; revere
Example
People venerate saints for their holiness.
人们敬仰圣人，因为他们的圣洁。
C2 noun /ˈvɪzɪdʒ/

visage

幸福
Meaning
A person's face or facial expression.
Example
Her stern visage intimidated the children.
她获得奖项时，无法掩饰她的幸福。
C2 noun /ˈvɪtrioʊl/

vitriol

尖刻的批评
Meaning
harsh and bitter criticism
Example
The politician faced vitriol from the public.
政治家遭受了公众的尖刻批评。
B1 noun /ˈvaɪrəs/

virus

病毒
Meaning
A tiny infectious agent that can replicate only inside the living cells of an organism.
Example
The computer was infected with a dangerous virus.
计算机感染了一个危险的病毒。
C2 noun /vɪˈsɪsɪtjuːd/

vicissitude

生活的变迁
Meaning
A natural change or succession of one thing to another; the ups and downs of life.
Example
The vicissitude of life often teaches resilience.
生活的变迁常常教会人们适应力。
B1 noun /ˈviː.ɪ.kəlz/

Vehicles

交通工具
Meaning
machines used for transporting people or goods from one place to another
Example
There are many different types of vehicles on the road today.
今天路上有许多不同类型的交通工具。
B1 adjective /ˈvælɪd/

Valid

有效; 法律上或官方上可接受的
Meaning
legally or officially acceptable; having a sound basis in logic or fact
Example
The passport is valid for ten years.
护照有效期为十年。
C2 noun /vɜːrv/

verve

活力
Meaning
Great enthusiasm, spirit, or energy in expression or performance.
Example
The actor performed his role with remarkable verve.
这位演员以惊人的活力表演了他的角色。
B2 adjective /vɪkˈtɔː.ri.əs/

Victorious

胜利的
Meaning
having won a victory; successful in a struggle or contest
Example
The victorious team celebrated their championship win with great joy.
胜利的队伍以巨大的喜悦庆祝他们的冠军胜利。
C2 noun /vɛnˈdɪʃən/

vendition

销售
Meaning
The act of selling; sale.
Example
The auction was a formal vendition of the estate's assets.
拍卖是财产资产的正式销售。
A1 noun /ˈvɛdʒ.tə.bəl/

vegetable

幸福
Meaning
a plant or part of a plant used as food
Example
I eat vegetables every day for health.
当她获得奖项时，她无法掩饰自己的幸福。
A2 noun /ˈvæk.juːm ˈkliː.nər/

Vaccum cleaner

吸尘器
Meaning
an electrical appliance that uses suction to remove dirt and dust from carpets and floors
Example
She used the vacuum cleaner to clean the living room carpet.
她用吸尘器清洁客厅的地毯。
C2 noun /vɜːrˈtuː/

virtu

对艺术的爱好
Meaning
a love of or taste for fine art, antiques, or curiosities
Example
The collector’s house was filled with objects of virtu.
收藏家的房子里充满了虚拟的物品。
B1 noun /ˈvæl.juː/

Value

价值; 价格; 重要性
Meaning
the importance or worth of something; the amount of money that something is worth
Example
This antique vase has great sentimental value to our family.
这个古董花瓶对我们家来说具有很大的情感价值。
C1 noun /ˈvænɡɑːrd/

vanguard

先锋
Meaning
the forefront of an action, movement, or military force
Example
The company is at the vanguard of technological innovation.
该公司处于技术创新的先锋地位。
C2 adjective /vɛˈstɪdʒiəl/

vestigial

遗迹的
Meaning
Relating to a small, undeveloped remnant of something that was once much larger or more functional.
Example
Humans have a vestigial tailbone that no longer serves its original purpose.
人类有一个遗迹的尾骨，它不再执行其原始功能。
C2 adjective /vəˈnɪəriəl/

venereal

性病的
Meaning
relating to sexual intercourse or sexually transmitted diseases
Example
Doctors warn about the dangers of venereal diseases.
医生警告性病的危险。
C2 verb /ˈvɪʃieɪt/

vitiate

败坏
Meaning
to spoil, weaken, or make something less effective
Example
One careless remark can vitiate the entire argument.
一句不小心的话可能会破坏整个论点。
C1 adverb /ˈvaɪtəli/

vitally

至关重要地
Meaning
in an extremely important or essential way; in a manner relating to life or vitality
Example
Access to clean water is vitally important for public health.
获得清洁的水对公共健康至关重要。
C1 noun /ˈvæntɪdʒ/

vantage

有利位置
Meaning
a position or situation that gives an advantage or a good view
Example
From this vantage, we could see the entire valley.
从这个位置，我们可以看到整个山谷。
B1 preposition /ˈvaɪə/ or /ˈviːə/

via

通过
Meaning
through, by way of, or using a particular route or means
Example
She sent the documents via email.
她通过电子邮件发送了文件。
C2 noun /ˈvɜːrdɪɡriːs/

verdigris

铜绿
Meaning
A green or bluish deposit that forms on copper, brass, or bronze surfaces due to oxidation.
Example
The old statue was covered in verdigris after years of exposure to the rain.
那座古老的雕像在多年暴露于雨水中后，覆盖了一层铜绿。
C1 verb /vaʊtʃ/

vouch

保证
Meaning
to confirm or assert the truth or reliability of something
Example
I can vouch for his honesty.
我可以为他的诚实作证。
B1 noun /vəˈraɪəti/

Variety

多样性; 种类
Meaning
the quality of being different or diverse; a number of things of the same general class that are distinct in character or quality
Example
The restaurant offers a wide variety of international dishes.
这家餐厅提供种类繁多的国际菜肴。
C2 noun /vɪm/

vim

活力
Meaning
energy and enthusiasm
Example
She performed the dance with great vim and vigor.
她充满活力和热情地表演了这支舞蹈。
C1 adjective /ˈvɛdʒɪtətɪv/

vegetative

与生长或生命的基本过程相关，通常没有意识的思考或活动
Meaning
relating to growth or the basic processes of life, often without conscious thought or activity
Example
The patient remained in a vegetative state after the accident.
事故发生后，病人保持在植物状态。
C1 verb /ˈvɪn.dɪ.keɪt/

vindicate

辩护
Meaning
To clear someone of blame or suspicion; to show or prove to be right, reasonable, or justified.
Example
The new evidence helped vindicate the wrongly accused man.
新的证据帮助为被错误指控的男子辩护。
B2 adjective /ˈvɒl.ən.tər.i/

Voluntary

自愿的
Meaning
done willingly without being forced; given or done freely
Example
She made a voluntary donation to the charity.
她自愿向慈善机构捐款。
C1 noun /ˌvɜːrtʃuˈoʊsoʊ/

virtuoso

艺术大师
Meaning
A person highly skilled in music, art, or another artistic pursuit.
Example
The pianist is a true virtuoso, captivating audiences worldwide.
这位钢琴家是真正的艺术大师，吸引着全球的观众。
C1 adjective /ˈvɛlvəti/

velvety

幸福
Meaning
having a smooth, soft texture like velvet
Example
She spoke in a low, velvety voice.
她收到奖项时，无法掩饰她的幸福。
C1 noun /vəˈlɒs.ɪ.ti/

velocity

速度
Meaning
Speed or acceleration, the rate of movement of any object or vehicle.
Example
High velocity trains reduce travel time significantly.
高速列车显著减少了旅行时间。
A2 noun /vɔɪs/

voice

声音
Meaning
the sound produced by the vocal cords; the ability to speak or express oneself
Example
She has a beautiful voice that captivates the audience.
她有一个迷人的声音，吸引了观众。
C2 adjective /veɪnˈɡlɔːriəs/

vainglorious

自负的
Meaning
Excessively proud of oneself or one’s achievements; boastful.
Example
The vainglorious leader boasted about his minor achievements.
那个自负的领导者炫耀着他的微不足道的成就。
C2 noun /voʊˈsɪfərəns/

vociferance

大声喊叫
Meaning
the act of shouting or making a loud outcry
Example
The vociferance of the protesters filled the streets.
抗议者的呼喊声充满了街道。
C1 verb /ˈviːtoʊ/

veto

否决
Meaning
to reject or forbid a decision, proposal, or law
Example
The president decided to veto the new bill.
总统决定否决这项新法案。
B1 noun /ˌvedʒəˈteəriən/

Vegetarian

素食者
Meaning
a person who does not eat meat or fish; relating to vegetarians or vegetarianism
Example
She became a vegetarian for health and environmental reasons.
她因健康和环保原因成为了素食者。
C2 noun /ˌvɪvɪˈsɛkʃən/

vivisection

在活体动物上进行手术以进行科学研究的实践
Meaning
the practice of performing operations on live animals for scientific research
Example
Vivisection has long been a controversial topic among scientists and animal rights activists.
活体解剖长期以来一直是科学家和动物权利活动家之间的一个争议话题。
C2 adjective /ˈvækjuəs/

vacuous

空洞
Meaning
Having or showing a lack of thought or intelligence; mindless.
Example
She gave a vacuous smile during the serious discussion.
她在严肃的讨论中露出了空洞的笑容。
B2 noun /ˈves.əl/

vessel

船
Meaning
A ship or large boat.
Example
The vessel carried critical supplies.
船只运输了重要物资。
B2 verb/noun /vɛnt/

vent

排气 / 允许空气或气体流动的开口
Meaning
to release air, gas, or strong emotions; an opening that allows air, gas, or liquid to pass
Example
She vented her frustration after the long meeting.
她在长时间的会议后发泄了她的沮丧情绪。
C2 verb /vɔːnt/

vaunt

Meaning
to boast or brag about something, especially in an excessive way
Example
He would often vaunt his achievements in front of his colleagues.
B2 verb /ˈvænɪʃ/

vanish

消失
Meaning
to disappear suddenly; to become invisible
Example
The magician made the rabbit vanish from the hat.
魔术师让兔子从帽子里消失了。
B1 noun /ˈvɜːr.ʒən/

Version

版本; 形式; 叙述
Meaning
a particular form or variation of something; an account of an event
Example
This is the latest version of the software.
这是软件的最新版本。
C1 noun /ˈvenəm/

Venom

毒液
Meaning
a poisonous substance secreted by animals such as snakes; extreme malice and bitterness
Example
The snake's venom can be deadly if not treated quickly.
蛇的毒液如果不及时治疗，可能会致命。
C1 noun/verb /ˈvɑːrnɪʃ/

varnish

清漆
Meaning
A liquid that is applied to wood or other materials to form a hard, shiny surface; also to apply such a liquid.
Example
The carpenter varnished the table to give it a glossy finish.
木匠给桌子涂了清漆，给它一个光亮的外观。
C2 noun /ˈvæsəl/

vassal

附庸
Meaning
A person or country in a subordinate position to another, especially in feudal times under a lord.
Example
The king granted land to his vassal in return for loyalty and service.
国王为他的附庸提供土地，以换取忠诚和服务。
B2 adjective /væst/

Vast

广阔; 巨大; 无边
Meaning
extremely large in size, amount, or extent; immense
Example
The vast ocean stretched endlessly to the horizon.
广阔的海洋延伸至天际。
C2 noun /ˈvaɪsrɔɪ/

viceroy

副总督
Meaning
a ruler exercising authority on behalf of a sovereign in a colony or province
Example
The viceroy governed the colony in the king's name.
副总督以国王的名义治理殖民地。
C1 verb /vɪə(r)/

veer

突然改变方向
Meaning
to change direction suddenly
Example
The car veered off the road to avoid the accident.
汽车为了避开事故突然驶离了道路。
C1 noun /ˈveɪpəraɪzər/

vaporizer

蒸发器
Meaning
a device that turns a liquid into vapor, often for inhalation
Example
She used a vaporizer to ease her cough.
她使用了一个蒸发器来缓解她的咳嗽。
C1 adverb /ˈvælɪdli/

validly

合法地
Meaning
in a legally, logically, or officially acceptable manner
Example
The contract was validly signed by both parties.
合同已由双方合法地签署。
C2 verb /voʊˈsɪfəˌreɪt/

vociferate

大声抗议
Meaning
to shout, complain, or argue loudly or vehemently
Example
The protesters vociferated against the unfair law.
抗议者大声抗议不公平的法律。
C1 noun /ˈvɪstə/

vista

景观
Meaning
A pleasing view, especially one seen through a long, narrow opening.
Example
From the mountain top, we admired the breathtaking vista of the valley below.
从山顶，我们欣赏到山谷下方令人叹为观止的景观。
B1 noun /ˈvæk.siːn/

Vaccine

疫苗
Meaning
a substance that is put into the body to prevent a disease
Example
The COVID-19 vaccine has helped reduce severe illness.
COVID-19疫苗有助于减少重症疾病。
B2 noun /ˈvɜː.tʃu.əl riˈæl.ɪ.ti/

virtual reality

虚拟现实
Meaning
Computer technology that creates an artificial three-dimensional environment where users can feel like they are in a real environment.
Example
Virtual reality (VR) is widely used in gaming and training simulations.
虚拟现实（VR）在游戏和训练模拟中被广泛使用。
C1 noun /ˈvɔːrtɛks/

vortex

漩涡
Meaning
A mass of whirling fluid or air, especially a whirlpool or whirlwind.
Example
The plane was caught in a dangerous vortex of air.
飞机被困在一个危险的气流漩涡中。
B2 noun /ˈvjuːpɔɪnt/

viewpoint

观点
Meaning
a particular attitude or way of considering a matter
Example
From his viewpoint, the situation was hopeless.
从他的观点来看，情况是绝望的。
C1 adjective /ˈvɛnərəbəl/

Venerable

尊敬的; 受人尊敬的
Meaning
deserving respect due to age, wisdom, or character; revered
Example
The venerable professor has taught at the university for fifty years.
这位威望的教授在大学里教书已五十年。
B1 noun /ˈvaɪtəmɪn/

vitamin

维他命
Meaning
a natural substance needed by the body to stay healthy
Example
Fruits and vegetables are rich sources of vitamins.
水果和蔬菜是维他命的丰富来源。
C1 noun /viˈoʊlə/ or /ˈvaɪələ/

viola

维奥拉
Meaning
A stringed instrument slightly larger than a violin, with a deeper and mellower tone.
Example
She chose to play the viola in the school orchestra.
她选择在学校管弦乐队中演奏维奥拉。