再交换

例句：

1. 1. They exchanged their ideas during the meeting.
   他们在会议期间交换了意见。
2. 2.The two countries have been exchanging diplomats since 1970.
   这两个国家自1970年以来一直在互派外交官。
3. 3. The students exchanged stories about their summer vacations.
   学生们互相分享关于暑假的故事。