vacor

例句：

1. 1. The vacuumcleaner is designed to suck up dust anddirt.
   真空吸尘器设计用来吸走灰尘和污垢。
2. 2. In a vacuum, the roomwas silent except for the sound of thefans.
   在真空中，除了风扇的声音，房间一片寂静。
3. 3. The vacuum cleaner isessential for cleaning hard-to-reachsurfaces.
   真空吸尘器对于清洁难以触及的表面至关重要。