vacuum的意思

n. 真空；空白；空虛；清潔

v. 用真空吸塵器清掃；

vacuum的用法

用作名詞 (n.)

Sound waves cannot travel through a vacuum.

聲波不能在真空中傳播。

I mean to buy a vacuum next month.

下個(gè)月我打算買(mǎi)一臺(tái)真空吸塵器。

His resignation has left a power vacuum at the head of the party.

他的辭職使得該黨的領(lǐng)導(dǎo)位置出現(xiàn)了權(quán)力真空。

vacuum的用法例句

1. The Marshal stepped over the vacuum-cleaner and stumped out of the room.

元帥邁過(guò)真空吸塵器，腳步沉重地走出了房間。

2. Vacuum-packed ham slices should be unwrapped 30 minutes before serving.

真空包裝的火腿片應(yīng)在食用前30分鐘把包裝除去。

3. The collapse of the army left a vacuum in the area.

這支軍隊(duì)的潰敗使這個(gè)地區(qū)出現(xiàn)了軍事真空。

4. He could hear the whirr of a vacuum cleaner.

他能聽(tīng)到真空吸塵器的嗡嗡聲。

5. We lived in a vacuum — no life, no news, no books.

我們生活在與世隔絕的環(huán)境里——沒(méi)有其他生物，收不到外界消息，也沒(méi)有書(shū)看。

6. The vacuum flask has a strong casing, which won't crack or chip.

這種熱水瓶瓶身堅(jiān)固，不易斷裂破碎。