damp sand

例句：

1. 1. Thechildren were playing in the damp sand.
   孩子们在湿沙中玩耍。
2. 2. Thebeach was littered withwet sand.
   海滩上满是湿沙。
3. 3. The mud was so thick thatit made it difficult to walk through.
   泥泞太厚，以至于很难行走。