Your pullover was sitting on a sheep's back for quite some time.

你的羊毛衫在羊的背上呆了好长一段时间。

Have you ever stopped to think of the many people who have been involved in producing that pullover you wear in winter?

你有没有停下来想一想，在制作你冬季穿的那件毛衫的过程中，涉及到了多少个人？

This pullover fits you well.

这件羊毛套衫你穿很合身。

My mother knitted me a pullover.

我妈给我织了一件套头的毛衣。

The hot water shrank my pullover.

我的套头毛衣遇热水后收缩了。