At a family reunion, the cousins line up in order of their ages to get their pictures taken, introducing the concept of numerical order.
堂表兄弟姊妹在家庭聚會中根據年齡排排站好,等著照相。本書介紹了數字順序的概念。
At a family reunion, the cousins line up in order of their ages to get their pictures taken, introducing the concept of numerical order.
堂表兄弟姊妹在家庭聚會中根據年齡排排站好,等著照相。本書介紹了數字順序的概念。