mammatus

例句：

1. 1. The horse was covered in a thick layer of mammatus.
   这匹马身上覆盖着厚厚的一层马毛。
2. 2.The hunter carefully removed the mammatus from the animal's hide.
   猎人小心翼翼地从动物皮上取下了马毛。
3. 3.The mammatus is used to make soft, warm blankets.
   马毛被用来制作柔软、温暖的毯子。