holosericeous

例句：

1. 1.The beach is covered in a layer of soft sand.
   海滩上覆盖着一层柔软的沙子。
2. 2. The desert is characterized by its rocky terrain and sparse vegetation.
   沙漠以其岩石地形和稀疏植被而著称。
3. 3.The river flows through a landscape of rolling hills and holosericeous grasslands.
   这条河流流经起伏的山丘和多石的草原地带。