hay grinder

例句：

1. 1. The hay grinder is used to crush the hay into a fine powder for feeding to livestock.
   干草磨坊机用于将干草压碎成细粉，供牲畜食用。
2. 2.The farmer uses a hay grinder to make hay for his horses and cows.
   农民使用干草磨坊机为他的马匹和奶牛制作干草。
3. 3. The hay grinder is an essential tool for maintaining a healthy herd of cattle.
   干草磨坊机是维护健康牛群的必备工具。