feed butter milk powder

例句：

1. 1. The baby needs to be fed every two hours.
   婴儿需要每两小时喂一次。
2. 2. The farmer feeds his livestock with grain.
   农民用谷物喂养他的牲畜。
3. 3. She feeds her pet dog with fresh vegetables.
   她用新鲜的蔬菜喂她的宠物狗。