feed roll

例句：

1. 1. The farmer used to feed his livestock with this kind of feed roll.
   这位农民过去用这种饲料卷轴喂养他的牲畜。
2. 2. The animals enjoyed the fresh grass in the field as they were fed rolls.
   动物们在田野里享受新鲜的草，它们是被饲料卷轴喂养的。
3. 3.The farmers are using new technology to improve the quality of their feed rolls.
   农民们正在使用新技术来提高饲料卷轴的质量。