Henry,with his friends,plays volleyball every saturday afternoon.这句话中加逗号有什么意义

问题描述:

Henry,with his friends,plays volleyball every saturday afternoon.这句话中加逗号有什么意义

表示一种附带的说明,是插入语.如果放在句尾就不要加逗号了.
不明白的再问哟!请记得采纳,多谢!