单词duck-walk
网络: 鸭行式；鸭子步；鸭子走路
Yellow duck, walk, walk, walk.
黄鸭，走，走，走。
mother duck walk and imitation, the cry of the duck, let the baby learn accordingly;
妈妈模仿鸭子走路和鸭子的叫声，让宝宝跟着学；