head wool

例句：

1. 1. The sheep have been grazing on the lush green fields.
   羊群在郁郁葱葱的田野上吃草。
2. 2.She has a fine collection of woolen sweaters.
   她有一套很好的羊毛衫收藏。
3. 3.The farmer carefully shears the wool from the sheep.
   农民小心翼翼地从羊身上剪下羊毛。