Subject + 石块
石块 (shíkuài) means "stone" or "rock," referring to a solid piece of rock, typically small enough to hold. It is used to describe natural stones found in the environment.
小孩子们在河边捡石块玩。
Xiǎo háizimen zài hé biān jiǎn shíkuài wán.
The children were picking up stones by the river to play with.
路上有几块石块挡住了去路。
Lù shàng yǒu jǐ kuài shíkuài dǎngzhù le qù lù.
There were several stones on the road blocking the way.
他捡起一块石块扔进了水里。
Tā jiǎn qǐ yī kuài shíkuài rēng jìn le shuǐ lǐ.
He picked up a stone and threw it into the water.