vacuo

例句：

1. 1. The vacuum cleaner sucks up dust and dirt.
   吸尘器吸走灰尘和污垢。
2. 2. The scientist discovered a new way to store data in a vacuum.
   科学家发现了一种新的在真空中存储数据的方法。
3. 3. The room was completely empty except for the table and chairs.
   房间除了桌子和椅子之外，完全空无一物。