feed source

例句：

1. 1. The farmrelies on a variety of feed sources toensure the health of its livestock.
   农场依靠多种饲料来源来确保牲畜的健康。
2. 2.The research team identified several potential feed sourcesfor their study.
   研究团队确定了几种潜在的饲料来源供其研究使用。
3. 3. The farmercarefully selected the best feed sources for hiscattle.
   这位农民仔细挑选了最适合他的牛的饲料来源。