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vacation

vacation

2024-02-20

vacation/vəˈkeiʃən/n.[c]休假,假期:the summer vacation暑假;be on vacation在度假期;go on vacation去度假Where are you spending your vacation?你打算在哪儿度假?[辨析]见holid···

vaccinate/vaccine

vaccinate/vaccine

2024-02-20

vaccinate/ˈvæksineit]/vt. &vi.给…接种疫苗;注射疫苗:Were you vaccinated against smallpox as a child?你小时候打过天花疫苗吗?All the children were vaccinated against tubercu···

vacuum

vacuum

2024-02-20

vacuum/ˈvækju(ə)m/n.[c](pl.vacuums或vacua /ˈvækjuə/) 1.真空,真空般状态:create a vacuum制造一个权力真空状态No animal can live in a vacuum.没有动物能生活在真空中。2.真空装置···

vague

vague

2024-02-20

vague/veiɡ/adj.含糊的,不明确的,模糊的:a vague description (answer)含含糊糊的描绘(回答);vague demands不明确的要求;a vague idea模糊的思想In a fog everything looks vague.在大雾中···

vain

vain

2024-02-20

vain/vein/ I.adj.1.徒劳的,无效的,不成功的:a number of vain attempts许多次徒劳的尝试2.自负的,爱虚荣的:be vain of one’s learning对自己的学问很自负;a vain man爱虚荣的人‖II.n.用···

valid

valid

2024-02-20

valid/ˈvælid/adj.([反]invalid)1.有根据的,有理的:a valid argument正确的论点;valid evidence确凿的证据2.有效的,具有法律效力的:a valid contract有效的合同;be valid for six mon···

validate/validity

validate/validity

2024-02-20

validate/ˈvælideit/vt.检验是否有效,检票:validate a passport使护照生效(在护照上签字)In order to validate the agreement, both parties sign it.为使协议有效,双方在上面签了字。You n···

valley

valley

2024-02-20

valley/ˈvæli/n.[c]山谷,山间平地;流域:in a valley在山谷里The river flows along a valley between two hills.这条河沿着两座小山间的平地流淌。

valuable/valuation/value/valueless

valuable/valuation/value/valueless

2024-02-20

valuable/ˈvæljuəbl/ I.adj.宝贵的;值钱的;贵重的:a valuable discovery有价值的发现Her grandfather left her a valuable ring.她祖父留给她一个贵重的戒指。‖II.n.贵重物品(尤指首饰,···

valve

valve

2024-02-20

valve/ˈvælv/n.[c]1.阀,活门:an adjusting valve调整阀;a gas valve进气阀;a release(relief) valve放泄(安全)阀2.(心脏的)瓣膜:the valve of the heart心脏瓣膜Valves in the heart···

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