2 sentences for 砂 (shā — sand)

1. 这些粗砂不适合用来抹墙。

   zhè​xiē cū shā bù shì​hé yòng​lái mò qiáng.

   This coarse sand is not suitable for plastering walls.

   Source: Dong Chinese Dictionary

2. 这里的砂土非常适合种植西瓜。

   zhè​lǐ de shā tǔ fēi​cháng shì​hé zhòng​zhí xī​guā.

   The sandy soil here is perfect for growing watermelons.

   Source: Dong Chinese Dictionary