single feed

例句：

1. 1. The farmer needs to feed the animals with a single feed of grain.
   农民需要用一种单一的饲料来喂养动物。
2. 2.The new machine can process single feed and produce high-quality products.
   新机器可以处理单一饲料并生产高质量的产品。
3. 3.The research team focused on developing a single feed for poultry.
   研究团队专注于开发一种用于家禽的单一饲料。