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...這支軍隊的潰敗使這個地區(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)將填補過去這幾天形成的權力真空。
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...道德價值觀的教育不能脫離實際。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。
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。
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...風是由于熱空氣上升產(chǎn)生真空導致的一種氣流運動。The spinning turbine creates a vacuum.旋轉的渦輪形成了一塊真空區(qū)域。