coarse feed

例句：

1. 1. Thecattle need a good supply of coarse feedto maintain their health.
   牛需要充足的粗饲料来维持健康。
2. 2. The farmer used tofeed his cows with coarse feed beforethe invention of rations.
   在引入配给制度之前，农民用粗饲料喂他的奶牛。
3. 3. The farm has alarge area of grassland for cattle tograze on, which is a goodsource of coarse feed.
   农场有一大片草原供牛群放牧，这是粗饲料的好来源。