沙的用法和样例：
例句
-
道路在暴风雪之后铺上了沙子。
The roads were sanded after the snowstorm. -
孩子们在沙坑中玩耍。
The children were playing in the sand pit. -
干沙吸收水份。
Dry sand absorbs water. -
小孩们在沙堆里挖了一个地道。
The kid dug a tunnel in the sand. -
工人们把沥青和沙子、石块混合在一起。
The workers mixed the asphalt with sand and gravel together. -
这个小沙丘是由风吹来的干沙子形成的。
The little dune is formed with loose dry sand by wind. -
他往土里掺了些沙子以提高渗水性能。
He added sand to the soil to make it more porous. -
在风天，我们能看到无数沙粒。
We can see numberless grains of sand in a windy day.
