herd of merit dams

例句：

1. 1. The herd of cattle grazed on the grasslands.
   牛群在草原上吃草。
2. 2. The herd of sheep was moving towards the mountain.
   羊群正朝着山移动。
3. 3. The herd of horses is being led by a jockey.
   马群正在被骑师带领。