float feed

例句：

1. 1.The fish in the lake are feeding on the float feed.
   湖里的鱼正在吃浮游饲料。
2. 2. The scientists use a special float feed to study the behavior of marine animals.
   科学家们使用一种特殊的浮游饲料来研究海洋动物的行为。
3. 3. The fishermen used to feed their fish with float feed, but now they switch to live bait.
   渔民过去用浮游饲料喂鱼，但现在他们改用活饵。