“factory farm”造句，怎麼用factory farm造句

We can see its family tree - and its daddy was a virus that evolved in the artificial breeding ground of a vast factory farm in North Carolina.

These labels say nothing about animal welfare, and the products are often produced on a factory farm.

Also, factory farm run-off a yes ia m talking about all that animal waste - is creating a run-off pollution crisis that is threatening our rivers and oceans.