Everybody knows that there is serious problem of water pollution on the earth. Yes, water pollution is increasing.
的人都知道地球上存在严重的水污染问题。是的，水污染在增加。
Look! The water in the river is getting dirtier and dirtier. Most of fish in the water have died, and we can’t swim in the water.
看！河里的水越来越脏了。水里的鱼大部分都死了，我们不能在水里游泳。
My grandfather says, when he was very little, the water in the river was very clean. He often swam in the river with his friends.
我爷爷说，他很小的时候，河里的水很干净。他经常和朋友们一起在河里游泳，以前是
That was before, but now we can’t see such clean rivers. Let’s protect the water from pollution, because we can’t live without water. The water is really important to us all.
，但现在我们看不到这么干净的河流了。让我们保护水不受污染，因为没有水我们就无法生存。水对我们大家都很重要。