vacuum carburettor

例句：

1. 1.The vacuum cleaner is designed to suck up dust and dirt.
   真空吸尘器设计用来吸走灰尘和污垢。
2. 2. The vacuum cleaner was invented to make cleaning easier.
   真空吸尘器的发明是为了使清洁工作更加容易。
3. 3.The vacuum cleaner is used in hospitals to remove germs from the air.
   真空吸尘器在医院被用来去除空气中的细菌。