a flower

From ancient times to today, there will be a few small green flowers on the lotus leaf. Those flowers can move, you can get into the water, and you can also give birth to some small black things. These little things are called 蝌蚪. Then you want to know what is small green flower? I will tell you now, please see this little song and you will know: "A flower, a flower. A small green flower is opened in the pond. Little green flower, who are you? Hey, I am a little frog. ""