vacuum /ˈvækjʊəm, -jʊʌm/ CET4 TEM4 ( vacuuming, vacuumed, vacuums )

• 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

  例：

  His presence should fill the power vacuum that has been developing over the past few days.

  他的出现应该能填补过去几天中形成的权力空缺。

• 2. 

  PHRASE If something is done in a vacuum, it is not affected by any outside influences or information. 在与世隔绝的状态中

  例：

  Moral values cannot be taught in a vacuum.

  道德价值观不能在与世隔绝的状态中进行传授。

• 3. 

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

  例：

  Wind is a current of air caused by a vacuum caused by hot air rising.

  风是由热空气上升产生真空而引起的空气流动。

• 4. 

  N-COUNT A vacuum is the same as a . 真空吸尘器

• 5. 

  V-T/V-I If you vacuum something, you clean it using a vacuum cleaner. 用真空吸尘器清洁

  例：

  I vacuumed the carpets today.

  我今天用吸尘器清洁地毯了。

  例：

  It's important to vacuum regularly.

  定期用吸尘器清洁是很重要的。