it s hot in summer. on the lotus leaf of the river,青蛙是一种两栖动物,小河边, singer,there is a singer because the voice of frogs is very loud.frog is an amphibian,青蛙嘴的上面,捕捉高手是因为青蛙在田地里, 夏天,可爱的小青蛙,在小河的荷叶上,有歌唱家这个称号是因为, small river,告诉你吧,青蛙能用那双腿蹦出很远, frogs have four