He put them both into his mouth .both作同位语位置是怎么回事啊

问题描述:

He put them both into his mouth .both作同位语位置是怎么回事啊

这里的both作them的同位语,解释说明them是他们两个人,就如同they each一样,是他们第一个,同位语就是解释说明的意思,这里意指他们两个人都