音標(biāo)發(fā)音英式音標(biāo) [?v?k.ju?m]美式音標(biāo) [?v?k.ju?m]國際音標(biāo) ['v?kju?m]英式發(fā)音 美式發(fā)音 基本解釋n. 真空；空間；真空吸塵器 adj. 真空的；利用真空的；產(chǎn)生真空的 vt. 用真空吸塵器清掃詞源解說 直接源自拉丁語的vacuum，意為空著的地方。詞根記憶vacu(空) + um→真空vac(空) + uum→真空vac(空的) + uum→真空vacu(=vac空) + um→真空同根派生 vacuum相關(guān)詞用法辨析n. (名詞)在科技用語中vaccum的復(fù)數(shù)形式是 vacua。 vacuum使用方法vacuum詳細(xì)辨析英漢例句用作名詞 (n.)Sound waves cannot travel through a vacuum.聲波不能在真空中傳播。vacuum更多例句詞組短語用作名詞 (n.)動(dòng)詞+～fill a vacuum 填補(bǔ)真空produce 〔create, cause〕 a vacuum 產(chǎn)生〔制造〕真空形容詞+～low 〔rough〕 vacuum 低真空fine 〔high, perfect〕 vacuum 高真空短語vacuum tube 真空管；電子管vacuum permeability 真空磁導(dǎo)率vacuum pumps 水力噴射器;真空幫浦;真空泵;水動(dòng)力噴灑器vacuum更多詞組英英字典劍橋英英字典(EMPTY SPACE) a space from which most or all of the matter has been removed, or where there is little or no matter(CLEANER) a vacuum cleaner to use a vacuum cleaner to collect dust, dirt, etc.柯林斯英英字典 If someone or something creates a vacuum, they leave a place or position that then needs to be filled by another person or thing. If something is done in a vacuum, it is not affected by any outside influences or information. A vacuum is a space that contains no air or other gas. A vacuum is the same as a . If you vacuum something, you clean it using a vacuum cleaner. vacuum劍橋字典vacuum柯林斯字典專業(yè)釋義能源科學(xué)技術(shù)真空吸塵器真空電子、通信與自動(dòng)控制技術(shù)真空物理學(xué)真空機(jī)械工程真空生物學(xué)真空計(jì)算機(jī)科學(xué)技術(shù)真空