herd boar

例句：

1. 1.The herd of cattle grazed in the meadow.
   牛群在草地上吃草。
2. 2. The herd of cattle was led by a bull.
   牛群由一头公牛带领。
3. 3. The herd of cattle was driven to market.
   牛群被驱赶到市场。