牧羊狗

例句：

1. 1. The shepherd dogled the flock to safety.
   牧羊犬带领羊群安全地找到了避难所。
2. 2.Shepherds often use dogs toherd their flocks.
   牧羊人经常使用狗来驱赶他们的羊群。
3. 3. The sheepdog was a loyal companionto the farmer.
   那只羊犬是农民忠诚的伴侣。