roughing feed

例句：

1. 1. The cattle need a good supply of roughing feed to maintain their health.
   牛需要充足的粗饲料来维持健康。
2. 2.The farm uses a variety of roughing feeds to provide the animals with the nutrients they need.
   农场使用各种粗饲料为动物提供所需的营养。
3. 3. In order to improve the efficiency of the feeding process, farmers need to choose the right roughing feed for their livestock.
   为了提高喂养过程的效率，农民需要选择适合自己牲畜的粗饲料。