moxa wool

例句：

1. 1.The man is wearing a woolen sweater in the cold weather.
   这个人在寒冷的天气里穿着一件羊毛衫。
2. 2. She used to knit moxa wool scarves for her friends.
   她过去经常为朋友织羊毛围巾。
3. 3.The farmer used moxa wool to make warm blankets for his family.
   农民用羊毛制作了给家人保暖的毯子。