ventilation
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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。
C2 adjective /ˈven.tʃər.əs/

Venturous

冒险的; 大胆的
Meaning
willing to take risks; adventurous; bold
Example
The venturous explorer climbed the dangerous mountain.
勇敢的探险者攀登了危险的山脉。
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。
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。
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。
C2 noun /ˈvoʊkəbəl/

vocable

词汇
Meaning
a word, term, or sound that has meaning
Example
The dictionary contained thousands of vocables from different languages.
字典中包含来自不同语言的成千上万的词汇。
C2 noun /vəˈrɑːɡoʊ/

virago

强势或严厉的女性
Meaning
a loud, overbearing woman; historically, a strong or courageous woman
Example
The play depicted the heroine as a fierce virago who defied tradition.
这部剧描绘了女主角作为一位勇敢的维拉戈，挑战传统。
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 adjective /ˈvɪndɪkeɪtɪv/

vindicative

辩护的
Meaning
showing a tendency to vindicate or justify; inclined to defend
Example
Her vindicative tone showed that she strongly believed in her innocence.
她的辩护语气表明她坚信自己的清白。
C1 noun /ˈvæɡ.ə.bɒnd/

Vagabond

流浪汉; 无家可归者
Meaning
a person who has no home or job and travels from place to place
Example
The old vagabond wandered through the streets looking for food.
那位年老的流浪汉在街头四处游荡寻找食物。
C2 noun /vərˈmɪl.jən/

Vermillion

鲜红色-橙色; 这种颜色的颜料
Meaning
a bright red-orange color; a pigment of this color
Example
The artist used vermillion paint for the sunset.
艺术家为日落使用了维米利昂颜料。
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 noun ˈvɜːmɪn

vermin

小型有害的动物或昆虫，难以控制且传播疾病
Meaning
Small harmful animals or insects that are difficult to control and carry disease.
Example
The house was infested with vermin, requiring immediate action.
房子被害虫侵扰，需要立即采取行动。
C2 adjective /ˈviːnəl/

venal

贪污的
Meaning
willing to do dishonest things in return for money; corrupt
Example
The politician was accused of being venal and corrupt.
这位政治家被指控为贪污腐化。
C2 noun ˈvɜː.mɪ.kʌl.tʃər

vermiculture

蚯蚓养殖
Meaning
The cultivation of earthworms, especially for use in composting organic waste.
Example
Vermiculture enriches soil with natural nutrients.
蚯蚓养殖为土壤提供自然养分。
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。
C2 adjective /ˈvæpɪd/

vapid

乏味的
Meaning
lacking liveliness, flavor, or interest; dull and uninspired
Example
The lecture was so vapid that half the audience fell asleep.
讲座如此乏味，以至于一半的听众都睡着了。
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。
C1 noun /ˌvaɪ.əˈbɪl.ə.ti/

viability

可行性
Meaning
Ability to work successfully; feasibility.
Example
The viability of the project depends on funding.
项目的可行性取决于资金。
B1 noun /ˈvɪn.ɪ.ɡər/

Vinegar

醋
Meaning
a sour liquid made from fermented alcohol, used for cooking and preserving
Example
I added vinegar to the salad dressing for extra flavor.
我在沙拉酱里加了醋，以增加味道。
C2 adjective /vɜːrˈtɪdʒɪnəs/

vertiginous

眩晕的
Meaning
Causing dizziness due to great height or steepness.
Example
The tourists looked down from the vertiginous cliffs with awe.
游客从眩晕的悬崖上低头望去，满怀敬畏。
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。
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。
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。
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 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。
C1 noun /vərˈnækjələr/

vernacular

方言
Meaning
the language or dialect spoken by ordinary people in a particular region
Example
He gave his speech in the local vernacular so everyone could understand.
他用当地的方言发表了演讲，以便每个人都能理解。
B2 adjective /ˈvoʊkəl/

vocal

直言不讳
Meaning
expressing opinions or feelings freely and loudly; relating to the voice
Example
She was very vocal about her dissatisfaction.
她对自己的不满非常直言不讳。
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。
C2 noun /ˈveɪnɡlɔːri/

vainglory

虚荣
Meaning
Excessive vanity or boastfulness about one's achievements.
Example
His speech was filled with vainglory and self-praise.
他的演讲充满了虚荣和自我吹嘘。
C2 verb /ˈvɪlɪfaɪ/

vilify

幸福
Meaning
to speak or write about someone in an abusive or disparaging manner
Example
The politician was vilified in the media for his controversial remarks.
当她收到奖项时，她无法隐藏自己的幸福。
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.
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。
B2 noun /vəˈlɪd.ɪ.ti/

Validity

有效性
Meaning
the quality of being legally or officially acceptable; the quality of being logically or factually sound
Example
The validity of the contract expires next month.
合同的有效性将在下个月到期。
B2 noun /veɪn/

Vein

静脉; 血管
Meaning
a blood vessel that carries blood back to the heart; a streak or marking of a different color
Example
The nurse found a vein in his arm to draw blood.
护士在他手臂上找到了静脉来抽血。
C2 adjective /ˈvɪnsəbl/

vincible

可征服的
Meaning
capable of being overcome or defeated
Example
The enemy seemed vincible after losing their main base.
敌人在失去他们的主基地后似乎变得可征服。
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 /vəˈkeɪt/

vacate

腾出
Meaning
to leave a place; to make empty by leaving
Example
The tenants must vacate the apartment by the end of the month.
房客必须在月底前腾出公寓。
B2 verb /vaʊ/

vow

发誓
Meaning
to make a serious promise; to pledge solemnly
Example
They vowed to love each other forever.
他们发誓永远相爱。
C2 verb /ˈvɪtrɪfaɪ/

vitrify

转变为玻璃
Meaning
to turn into glass or a glass-like substance by heat
Example
Sand can vitrify under intense heat.
沙子在强烈的热量下可以转变为玻璃。
B2 adjective /ˈvɜː.sə.taɪl/

versatile

多才多艺
Meaning
Able to adapt or be adapted to many different functions or activities; having many uses or applications.
Example
He is a versatile musician who can play multiple instruments.
他是一个多才多艺的音乐家，能演奏多种乐器。
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。
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 /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。
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。
B2 adjective /ˈvɜːrtɪkl/

vertical

垂直
Meaning
Standing or pointing straight up; perpendicular to the ground.
Example
The skyscraper has a perfectly vertical design.
这座摩天大楼有一个完美的垂直设计。
C2 adjective /voʊˈsɪfərəs/

vociferous

喧闹
Meaning
expressing feelings or opinions in a loud and forceful way
Example
The vociferous crowd demanded justice.
喧闹的人群要求正义。
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。
B2 noun/adjective /ˈvɪntɪdʒ/

vintage

复古 / 经典
Meaning
Relating to high quality from the past; classic; also the year of a wine harvest.
Example
She wore a vintage dress from the 1950s.
她穿着一件1950年代的复古裙子。
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 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。
C2 adjective /ˈvoʊtɪv/

votive

奉献
Meaning
Offered or dedicated in fulfillment of a vow.
Example
She lit a votive candle in the church as a prayer.
她在教堂里点燃了一支奉献的蜡烛作为祈祷。
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。
C1 noun vaɪˈtæləti

vitality

活力, 能量
Meaning
The state of being strong and active; energy.
Example
The vitality of the team helped them succeed in the competition.
团队的活力帮助他们在比赛中取得了成功。
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。
B2 verb /ˈverɪfaɪ/

verify

验证
Meaning
to check if something is true or correct; to confirm
Example
Please verify your email address before proceeding.
请在继续之前验证您的电子邮件地址。
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。
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。
B1 noun /ˈvɪk.tɪm/

Victim

受害者
Meaning
a person who suffers harm, injury, or death as a result of an event or action
Example
The victim was taken to the hospital immediately.
受害者立即被送往医院。
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。
C2 adverb /ˈvɛrɪli/

verily

的确
Meaning
truly; certainly; without a doubt
Example
Verily, I say unto you, this is the truth.
的确，我对你们说，这就是事实。
B1 noun /ˈvaɪ.ə.ləns/

Violence

暴力; 残忍; 极端强度
Meaning
behavior involving physical force intended to hurt, damage, or kill; extreme force or intensity
Example
The government condemned all forms of violence against civilians.
政府谴责了一切形式的暴力行为，尤其是针对平民。
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。
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。
C1 verb /veks/

vex

烦扰
Meaning
to annoy or frustrate someone; to cause trouble
Example
The constant noise from construction vexes the residents.
来自施工的持续噪音烦扰着居民。
B1 adjective /ˈvæljʊəbl/

Valuable

有价值的; 重要的
Meaning
worth a great deal of money; extremely useful or important
Example
The painting is very valuable and worth millions.
这幅画非常有价值，价值数百万。
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。
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。
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。
C1 adjective /ˈvɛnəˌreɪtɪd/

venerated

受人尊敬的
Meaning
respected and admired deeply
Example
The venerated professor was honored with an award.
这位受人尊敬的教授获得了奖项。
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 noun /ˈvɛləm/

vellum

羊皮纸
Meaning
a fine parchment made originally from the skin of a calf, used for writing or printing
Example
The ancient manuscript was written on vellum.
古老的手稿是用羊皮纸写的。
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。
C1 adjective /ˈvɪskəs/

viscous

粘性
Meaning
Having a thick, sticky consistency between solid and liquid.
Example
Honey is a viscous liquid that flows slowly.
蜂蜜是一种粘性液体，流动缓慢。
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。
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。
B1 noun /ˈviːzə/

visa

签证
Meaning
an official authorization or permission to enter, leave, or stay in a country
Example
She applied for a visa to study abroad.
她申请了签证以便出国留学。
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 noun /ˈvaɪnəri/

vinery

葡萄园
Meaning
A place where vines are cultivated, especially a vineyard or greenhouse for vines.
Example
The old vinery was filled with grapevines.
旧的葡萄园里满是葡萄藤。
C2 adjective /ˈvɜːrnəl/

vernal

春天的
Meaning
related to spring; fresh, youthful
Example
The garden was filled with vernal beauty after the long winter.
经过漫长的冬季，花园充满了春天的美丽。
B2 noun /ˈveɪ.kən.si/

Vacancy

空缺; 空位或职位
Meaning
an unoccupied position or job; an empty space or room
Example
There is a vacancy for a software engineer in our company.
我们公司有一个软件工程师的空缺。
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。
B1 noun /vaɪəˈlɪn/

Violin

小提琴
Meaning
a musical instrument with four strings that is played with a bow
Example
She plays the violin beautifully in the orchestra.
她在乐队中优美地演奏小提琴。
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 noun /ˌvæs.ɪˈleɪ.ʃən/

Vacillation

摇摆不定
Meaning
the inability to decide between different opinions or actions; indecision
Example
His constant vacillation between career choices frustrated his parents.
他在职业选择之间的持续犹豫让他的父母感到沮丧。
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 noun /ˈvendʒəns/

Vengeance

复仇
Meaning
punishment inflicted or retribution exacted for an injury or wrong; revenge
Example
He swore to seek vengeance against those who wronged him.
他发誓要向那些伤害他的人复仇。
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。
B2 noun /ˌvʌl.nər.əˈbɪl.ə.ti/

vulnerability

脆弱性
Meaning
The quality or state of being exposed to the possibility of being attacked or harmed.
Example
Addressing vulnerability is crucial for stability.
解决脆弱性对于稳定性至关重要。
B1 adjective /ˈvɛəriəs/

Various

各种各样的; 多种类型的
Meaning
several different; many different types of
Example
She has lived in various countries around the world.
她曾在世界各地的多个国家生活过。
B2 adjective /ˈvaɪtl/

vital

至关重要
Meaning
essential or necessary for life or success
Example
It's vital to stay hydrated during the summer.
在夏天保持水分非常重要。
B2 adjective /ˈvaɪ.brənt/

Vibrant

充满活力; 鲜艳的; 生动的
Meaning
full of energy and life; bright and striking
Example
The vibrant colors of the sunset painted the sky beautifully.
日落的鲜艳色彩美丽地涂抹了天空。
C1 verb /ˈvæŋkwɪʃ/

vanquish

征服
Meaning
to defeat thoroughly, especially in battle or competition
Example
The army vanquished its enemies with superior strategy.
军队以优越的战略打败了敌人。
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。
A1 adverb /ˈver.i/

Very

非常; 极其; 十分
Meaning
to a high degree; extremely; greatly
Example
She is very intelligent and works very hard.
她非常聪明，工作非常努力。
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 noun/verb /vɔːlt/

vault

保险库 / 跳跃
Meaning
A secure room for storing valuables; also to leap or spring over something.
Example
The bank kept its gold bars in a secure vault.
银行将其黄金条存放在一个安全的金库中。
C1 noun /ˈvɛriəns/

variance

方差
Meaning
the state of being different or inconsistent; in statistics, a measure of the spread between numbers
Example
There is a wide variance in students' performance levels.
学生的表现水平有很大的方差。
C2 adjective /vaɪˈtjuːpərəbl̩/

vituperable

应受指责的
Meaning
Deserving of blame, censure, or harsh criticism.
Example
His reckless actions made him vituperable in the eyes of his colleagues.
他鲁莽的行为使他在同事眼中变得应受指责的。
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。
C1 noun /ˈvɪdʒ.ɪ.ləns/

vigilance

警觉
Meaning
The action or state of keeping careful watch for possible danger or difficulties.
Example
Constant vigilance is required in cybersecurity.
在网络安全中，持续的警觉是必需的。
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。
B2 noun /vɜːrs/

verse

诗句
Meaning
A line of writing in poetry; a section of a song or poem.
Example
She wrote a beautiful verse for the wedding ceremony.
她为婚礼仪式写了一首美丽的诗句。
C1 noun /ˈvaɪəˌleɪtər/

violator

违规者
Meaning
A person who breaks or disregards a law, rule, or agreement.
Example
The police caught the traffic violator at the intersection.
警察在交叉口抓住了交通违规者。
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。
C1 adjective /ˈveɪɡrənt/

Vagrant

流浪; 无家可归
Meaning
wandering aimlessly; having no settled home
Example
The vagrant man was asking for food near the station.
流浪汉在车站附近乞讨食物。
B2 adjective /ˈvɛriəbl/

Variable

可变的
Meaning
able to change; not consistent or having a fixed pattern
Example
The weather has been very variable this week.
这周的天气变化很大。
C2 adjective /vərˈmɪkjələr/

vermicular

像虫子一样
Meaning
having a shape or appearance like a worm; worm-like
Example
The artist used a vermicular design to decorate the border of the manuscript.
艺术家用虫子一样的设计装饰手稿的边缘。
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。
C2 adjective /ˈvɔːntɪd/

vaunted

过度吹嘘
Meaning
praised or boasted about, especially excessively
Example
The vaunted technology failed to deliver the expected results.
过度吹嘘的技术未能交付预期的结果。
C1 noun ˌvɛn.əˈreɪ.ʃən

veneration

崇敬
Meaning
Great respect; reverence; the action of regarding with great respect or reverence.
Example
Many cultures show veneration for their ancestors.
许多文化表现出对祖先的崇敬。
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。
B2 noun /vɒlˈkæn.ɪk ɪˈrʌp.ʃən/

volcanic eruption

火山爆发
Meaning
The discharge of lava, ash, and gases from a volcano.
Example
The volcanic eruption covered the town in ash.
火山爆发将城市覆盖在灰烬中。
A2 noun /ˈvɪzɪtər/

visitor

游客
Meaning
a person who goes to see a place or someone for a short time
Example
The museum had many visitors last weekend.
博物馆上周末有很多游客。
B1 noun /ˌvɒl.ənˈtɪər/

Volunteer

志愿者
Meaning
a person who freely offers to take part in an enterprise or undertake a task
Example
Many volunteers helped distribute food to the homeless.
许多志愿者帮助无家可归的人分发食物。
B2 noun /vɜːrdʒ/

Verge

边缘; 极限; 门槛
Meaning
the edge or border of something; very close to happening
Example
She was on the verge of tears.
她几乎要哭出来了。
C2 noun /ˌvɑːljəˈbɪləti/

volubility

健谈
Meaning
The quality of talking fluently, readily, or incessantly.
Example
His volubility made him a successful radio host.
他的健谈使他成为一名成功的广播主持人。
B2 adjective /veɪɡ/

Vague

模糊; 不确定
Meaning
unclear or uncertain in meaning; not clearly expressed
Example
His explanation was too vague for me to understand.
他的解释太模糊，我无法理解。
B2 noun /ˈvæmpaɪər/

vampire

幸福
Meaning
a mythical creature that sucks blood from the living; metaphorically, a person who exploits others
Example
In folklore, a vampire rises at night to drink human blood.
她在获得奖项时无法隐藏自己的幸福。
C1 noun /væt/

vat

大容器
Meaning
A large container used for holding liquids such as dye or wine.
Example
The workers filled the vat with freshly pressed grape juice.
工人们把新鲜压榨的葡萄汁倒入了大容器中。