He put them both into his mouth.中的both是什么意思

题目

He put them both into his mouth.中的both是什么意思
He put them both into his mouth.
在句子中的作用是什么
不是已经有them了吗，怎么还要both呢？

答案

是“都,两者”的意思.
在这里,作“them”的同位语.
意思是说：“他把它们都放进了口中.”