through feed

例句：

1. 1.The farmer used to feed his livestock through a pipeline.
   这位农民过去通过管道喂养他的牲畜。
2. 2. The research team collected samples from different parts of the forest for feed through analysis.
   研究小组从森林的不同部分收集样本进行饲料成分分析。
3. 3. The cattle were fed through the night with a mixture of grain and hay.
   牛在夜间被喂食，食物包括谷物和干草的混合物。