Chongqing is not only the great serious acid rain city in China, but also one of three large acid rain regions.

重庆系我国酸雨最严重的城市，也是世界三大酸雨区之一。

youdao

Chongqing is not only the great serious acid rain city in China, but also one of three large acid rain regions.

重庆系我国酸雨最严重的城市，也是世界三大酸雨区之一。

youdao