flock life of ewe

例句：

1. 1. The sheep are grazingin the field.
   羊在田野里吃草。
2. 2. The farmer has a flock of sheep.
   这位农民养了一群羊。
3. 3. The shepherd is trying to herdthe sheep back into the pen.
   牧羊人试图把羊赶回圈里。