羊毛屑

例句：

1. 1. The man is wearing a wool sweater in winter.
   这个人在冬天穿着羊毛毛衣。
2. 2. Wool is a natural fiber that is soft and warm.
   羊毛是一种天然的纤维，柔软且温暖。
3. 3. She knitted a cozy blanket with wool from her own sheep.
   她用自己羊身上的羊毛织了一件暖和的毯子。