vacuum的用法总结大全思维导图

n. 真空；空白；空虚；清洁

v. 用真空吸尘器清扫；

用作名词(n.)

Sound waves cannot travel through a vacuum.

声波不能在真空中传播。

I mean to buy a vacuum next month.

下个月我打算买一台真空吸尘器。

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

他的辞职使得该党的领导位置出现了权力真空。

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

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

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

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

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

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