feed strainer

例句：

1. 1. The farmer used a feed strainer to sift the grains for the pigs.
   农民使用一个喂食漏斗来为猪筛选谷物。
2. 2.The veterinarian recommended using a feed strainer to prevent contamination of the food.
   兽医建议使用喂食漏斗来防止食物受到污染。
3. 3. The engineer designed a feed strainer to improve the efficiency of the feeding process.
   工程师设计了一个喂食漏斗来提高喂养过程的效率。