1·I mustn't take the dirty water to my father.
我一定不能把这脏水带给我父亲。
2·But we can't just sell it without a way to stop buyers from using dirty water.
不过我们也不能只管销售，而不去想办法阻止顾客使用脏水。
3·Dirty water, soil, sand suction sewage box, all the oil on the ground, the machine after cleaning, clean as new, is less than human.
脏水、泥土、砂粒统统吸入污水箱，特对油污地面，机器清洗后，洁净如新，是人工所不及。
4·First, I think factories should stop pouring dirty water into rivers.
首先，我认为工厂应该停止向河流倒脏水。
5·Some factories send dirty water into lakes and rivers.
一些工厂把脏水排到了湖里和河里。