我们还可以步行或骑自行车上学或上班代替坐车，减少二氧化碳排放。

We can also walk or ride bicycles to school or work instead of car, to reduce carbon dioxide emissions.

youdao

我们还可以步行或骑自行车上学或上班代替坐车，减少二氧化碳排放。

We can also walk or ride bicycles to school or work instead of car, to reduce carbon dioxide emissions.

youdao