空气湿度与人类密切相关。

Air humidity is closely related to mankind.

youdao

但是，你何曾想过，在这个世界，很多最珍贵的东西都是免费给与人类的，比如空气和阳光。

But have you ever thought of the most precious things are all free?Air and sunshine, for example.

youdao

但是，你何曾想过，在这个世界，很多最珍贵的东西都是免费给与人类的，比如空气和阳光。

But have you ever thought of the most precious things are all free?Air and sunshine, for example.

youdao