vacuum

1. N-COUNT If someone or something creates a vacuum, they leave a place or position that then needs to be filled by another person or thing. 空缺

His presence should fill the power vacuum that has been developing over the past few days. 他的出現(xiàn)應該能填補過去幾天中形成的權力空缺。

2. PHRASE If something is done in a vacuum, it is not affected by any outside influences or information. 在與世隔絕的狀態(tài)中

Moral values cannot be taught in a vacuum. 道德價值觀不能在與世隔絕的狀態(tài)中進行傳授。

3. N-COUNT A vacuum is a space that contains no air or other gas. 真空

Wind is a current of air caused by a vacuum caused by hot air rising. 風是由熱空氣上陞産生真空而引起的空氣流動。

4. N-COUNT A vacuum is the same as a . 真空吸塵器

5. V-T/V-I If you vacuum something, you clean it using a vacuum cleaner. 用真空吸塵器清潔

I vacuumed the carpets today. 我今天用吸塵器清潔地毯了。

It's important to vacuum regularly. 定期用吸塵器清潔是很重要的。