比如，我们可以骑自行车上学或者步行，这样还可以锻炼身体。

For example, we can go to school by bike or walk, it can exercise.

youdao

比如，我们可以骑自行车上学或者步行，这样还可以锻炼身体。

For example, we can go to school by bike or walk, it can exercise.

youdao