交换书籍用英语是 "exchange books."
来源： exchange 这个单词来源于拉丁语 "ex" 和 "cambiare" 的结合，意思是交换或者互换。
英文例句：
Can we exchange books next week?
(我们下周可以交换书籍吗？)
She suggested exchanging books with her friends.
(她建议和朋友交换书籍。)
They agreed to exchange books every month.
(他们同意每个月交换书籍。)