搓毛线

例句：

1. 1. She was busy knitting a sweater for her granddaughter.
   她忙着给孙女织一件毛衣。
2. 2. The children were enjoying themselves by playing with the yarn.
   孩子们正在愉快地玩着线。
3. 3. The old woman was carefully winding the yarn into a ball.
   老妇人小心翼翼地把线团卷起来。