猪屎豆

例句：

1. 1. The farmer was worried about the pigs eating too much of the manure.
   农民担心猪吃了太多的粪便。
2. 2. The pigs were happily eating the manure from the field.
   猪们高兴地在田野里吃着粪便。
3. 3. The farmer used to throw away the pig manure on the side of the road.
   农民过去会把猪粪倒在路边。