shoe-string sand

例句：

1. 1. The beach was covered in a layer of shoe-string sand.
   海滩上覆盖着一层鞋带沙。
2. 2. The children played in the sand, building sandcastles and digging holes.
   孩子们在沙子里玩耍，建造沙堡和挖洞。
3. 3.The sandy beach is a popular destination for tourists during the summer months.
   沙滩是夏季游客的热门目的地。