The air-cleaning machine offers clean air to the biker.

空气净化机为骑自行车的人提供干净的空气。

It's an air-cleaning machine connected to a bicycle and is part of the Smog Free Project.

这是一台与自行车相连的空气净化机，是无雾霾项目的一部分。

Indoor air-cleaning spray is good for your Brain and invigorating your vitality.

室内喷洒空气清洁剂，有助于健脑益神。

Indoor air - cleaning spray is good for your Brain and invigorating your vitality.

室内喷洒空气清洁剂,有助于健脑益神.