it s hot in summer. on the lotus leaf of the river,青蛙是一種兩棲動物,小河邊, singer,there is a singer because the voice of frogs is very loud.frog is an amphibian,青蛙嘴的上面,捕捉高手是因為青蛙在田地里, 夏天,可愛的小青蛙,在小河的荷葉上,有歌唱家這個稱號是因為, small river,告訴你吧,青蛙能用那雙腿蹦出很遠, frogs have four