Translation of "cleanness" into Chinese

Rats also have a function. They help to clean the pipes.

鼠类也有用处。它们有助于清洁管道。

The rooms in this hotel are not as clean as the rooms in that hotel.

这个旅馆的房间不像那个旅馆的房间那么干净。

They were taught to be sober, industrious and clean-living.

他们受到教导要为人庄重、做事勤奋、品格高尚。