通过命名属于同一相似类别的物件，比如动物，玩具或者乐器，将它们的第一个词介绍给观众。Viewers are introduced to first words by naming objects that belong to a similar category such as animals， toys， or musical instruments。通过命名属于同一相似类别的物件，比如动物，玩具或者乐器，将它们的第一个词介绍给观众。Viewers are introduced to first words by naming objects that belong to a similar category such as animals， toys， or musical instruments。详情
