你的书包跟石头一样重！

Nǐ de shūbāo gēn shítou yíyàng zhòng!

Your backpack is as heavy as a rock!

我们来玩剪刀石头布吧。

Wǒmen lái wán jiǎndāo shítou bù ba.

Let's play rock-paper-scissors.

孩子们正在河边堆石头。

Háizimen zhèngzài hé biān duī shítou.

The children are stacking stones by the river.