acid rain例句

Acid rain is not straightforwardly attributable to the burning of coal.
酸雨并非简单地由烧煤造成。

Nor is acid rain always, and universally, a bad thing.
酸雨也并非在任何情况下都是坏事。

Cars cause pollution, both smog and acid rain.
汽车造成的污染既有烟雾也有酸雨。