学生上体育课时会在操场上跑步。

Xuéshēng shàng tǐyùkè shí huì zài cāochǎng shàng pǎobù.

During PE class, students run on the playground.

我们在操场上进行体育活动。

Wǒmen zài cāochǎng shàng jìnxíng tǐyù huódòng.

We are engaging in sports activities on the playground.

我喜欢在操场上锻炼身体。

Wǒ xǐhuān zài cāochǎng shàng duànliàn shēntǐ.

I enjoy exercising on the playground.