vacuum state

例句：

1. 1. The vacuum in the room was so loud that it drowned out the sound of the TV.
   房间里的真空太响了，以至于电视的声音都被淹没了。
2. 2. The vacuum cleaner has been a lifesaver for our household.
   吸尘器一直是我们家的救星。
3. 3. The vacuum state is a theoretical concept that describes a completely empty space.
   真空状态是一个理论概念，它描述了完全空的空间。