春天到了,一只小燕子从远方回家来了。可是,它找不到自己的家了。它从一条小河上飞过。河面上漂着一些油污,还有很多很多的垃圾,脏兮兮地发出一股股令人恶心难闻的味道。小燕子以为自己迷路了,正巧它看到一条小鱼在水面上呼吸,便问:“小鱼,你知道我的家在哪吗?就是那个有着很多大树的花园啊!”“唉,你是很久没有回家了吧。现在哪还有什么花园啊,大树也都被砍光了,都在盖工厂呢!你看,那边就有一个大工厂,他们把污水全部排放到这条 When spring came, a little swallow came home from afar. However, it can not find its own home. It flew over a stream. The surface of the river with some oil, there are many, many trash, dirty issued a share of disgusting taste. Little Swallow thought she was lost, happened to see it a small fish to breathe on the water, he asked: ”fish, you know where my home? That is the garden with many trees ah! “ ” Alas, you have not returned home for a long time. Now what garden are there? The trees are also cut off, all in the factories. You see, there is a big factory there. They discharge all the sewage To this