英语翻译

问题描述:

英语翻译
沙子是固体的一种
沙有粗有细
(2)沙是一粒一粒的
(3)沙是松散的
(4)沙不溶解于水.

The sand is a kind of solid which has small and rough.
The sand is in small grains,they are loose and does not dissolve in water.