sand desert soil

例句：

1. 1. The beach is covered in soft sand.
   海滩上覆盖着柔软的沙子。
2. 2. The desert is a harsh environment where water is scarce.
   沙漠是一个缺水的环境，水非常稀缺。
3. 3. The soil is rich in nutrients that plants need to grow.
   土壤富含植物生长所需的养分。