chemical toilet

例句：

1. 1. The chemical toilet is a modern invention that provides convenience and hygiene.
   化学厕所是一种现代发明，提供了便利和卫生。
2. 2.In the old days, people used to use natural materials for toilets like wood or stone.
   在旧时代，人们使用木材或石头等天然材料来制作厕所。
3. 3.The chemical toilet has become popular because it eliminates the need for paper towels and soap.
   化学厕所因其无需纸巾和肥皂而变得流行起来。