有两只美丽的小燕子,它们的妈妈住在很远的地方。两只小燕子想去看妈妈,于是,它们开始了寻找妈妈的旅程。飞过小河时,他们突然听到河水里传出微弱的声音。仔细一听,原来是一条小鱼在呼救。小燕子问:“鱼儿妹妹,你怎么了?”鱼儿说:“这里的人们把树木砍光了,建起了制药厂,废水总往河水里排,垃圾总往河里倒。从那以后,我们就没好日子过了。你看,我的小伙伴 There are two beautiful little swallows, their mothers living far away. Two little swallows want to see their mom, so they started their journey to find mum. As they flew over the river, they suddenly heard a faint noise in the river. Listen carefully, turned out to be a fish for help. Swallow asked: ”fish, said: " Here people cut the trees, built a pharmaceutical factory, the total waste water to the river in the row, the garbage always go down in the river Since then, we have not had a good day, you see, my little companion