She tipped the dirty water down the drain.

她把脏水倒入了下水道。

Some factories are pouring dirty water into the river.

有一些工厂正把污水注入小河。

With dirty water, clean water?

装满了脏水呢，还是清洁的水？

But it is mixed all with dirty water.

但是它和脏水都是混合在一起的。

So they put dirty water in with the powder.

所以他们脏水生产奶粉。