沙子很细。
shāzi hěn xì
The sand is very fine.
孩子在玩沙子。
háizi zài wán shāzi
The child is playing with sand.
地上有沙子。
dìshang yǒu shāzi
There is sand on the floor.
路上撒了沙子。
lù shang sǎ le shāzi
They spread sand on the road.