今天爸爸和我去市场买菜，我让爸爸给我买了几条泥鳅。
Today, my father and I went to the market to buy vegetables. I asked my father to buy me some loaches.
回到家里，我把那几条泥鳅放在了盆里，往盆子里倒水。我又把乌龟放在了盆子里，观察它们。我发现：乌龟是用肺呼吸的，而泥鳅是用鳃呼吸的。乌龟是两栖动物，泥鳅只能在水里生活。
Back home, I put the loach in the basin and poured water into the basin. I put the tortoises in the basin again and observed them. I found that tortoises breathe with their lungs, while loaches breathe with their gills. Tortoise is amphibian, loach can only live in water.
我还知道：青蛙、鳄鱼......都是两栖动物。
I also know: frogs, crocodiles... Are amphibians.