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N-COUNT
空位;空缺;空白
If someone or something creates a vacuum, they leave a place or position which then needs to be filled by another person or thing.
例句
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。
His presence should fill the power vacuum which has been developing over the past few days.
他的出現(xiàn)將填補(bǔ)過去這幾天形成的權(quán)力真空。
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PHRASE
在封閉狀態(tài)中;與外界隔絕
If something is done in a vacuum, it is not affected by any outside influences or information.
例句
Moral values cannot be taught in a vacuum...
道德價(jià)值觀的教育不能脫離實(shí)際。
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——沒有其他生物，收不到外界消息，也沒有書看。
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VERB
用真空吸塵器打掃
If you vacuum something, you clean it using a vacuum cleaner.
例句
I vacuumed the carpets today...
今天我用吸塵器清潔了地毯。
It's important to vacuum regularly.
定期用吸塵器吸塵很重要。
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N-COUNT
真空
A vacuum is a space that contains no air or other gas.
例句
Wind is a current of air caused by a vacuum caused by hot air rising...
風(fēng)是由于熱空氣上升產(chǎn)生真空導(dǎo)致的一種氣流運(yùn)動(dòng)。
The spinning turbine creates a vacuum.
旋轉(zhuǎn)的渦輪形成了一塊真空區(qū)域。