Moreover, families can make use of air purifiers to clean the indoor air.

此外，也可以利用空气净化器来清洁室内空气。

youdao

I'll take you to my favorite pool, an indoor and heated one, very clean.

我带你去我很喜欢的游泳池，它在室内，有加热系统，而且环境很清洁干净。

youdao

I'll take you to my favorite pool, an indoor and heated one, very clean.

我带你去我很喜欢的游泳池，它在室内，有加热系统，而且环境很清洁干净。

youdao