A mother duck sat in the nest and waited for her babies to hatch. Later, the baby ducks came out of their shells one by one. The mother duck was very happy to see her babies except the ugly one. All the ducks laughed at the ugly duckling. He had to run away from home. 阅读小助手★ shell 壳★ except 除了 ★ A mother duck sat in the nest and waited for her babies to hatch. 鸭妈妈坐在窝里等着她的宝宝们孵出来。