colorful and colorful， dancing in the spring wind. the grass is green， "what a beautiful world！柳樹發(fā)芽了，春天來了，小草都綠了，引來了一只只美麗的蝴蝶在花叢中飛舞，跳出洞口，”小燕子從南方飛回來了， and jumped out of the cave. "quack！青蛙在洞里醒來，spring came， singing the song of spring happily as he flew.百花盛開