vacuum-cleaner alloy

例句：

1. 1.I need to clean the floor before my son arrives.
   我需要在我儿子到来之前打扫地板。
2. 2. The vacuum cleaner is very efficient at removing dust and dirt.
   这款吸尘器非常高效，能够去除灰尘和污垢。
3. 3.Vacuum cleaners are essential tools for cleaning hard floors.
   真空吸尘器是清洁硬地板的必备工具。