沙质

例句：

1. 1. The beach is covered in soft sand.
   海滩上铺满了柔软的沙子。
2. 2. The construction site was filled with large piles of sand.
   施工现场堆满了大堆的沙子。
3. 3. The sand dunes are a natural wonder of the desert.
   沙丘是沙漠中的自然奇观。