Four years old at home,Two and a Half in Buses and Trains短文翻译

问题描述:

Four years old at home,Two and a Half in Buses and Trains短文翻译

在家里是四岁,在火车和公车上是两岁半

四岁的在家里,两岁半的在车上?
四年在家,两年半在外?