*exchange² v 1 [T] to give something to someone who gives you something else 交换,互换,调换: The two armies exchanged prisoners. 两军互换战俘。 exchange sth for sth I'd like to exchange this shirt for a smaller one. 我想把这件衬衫换成小一点的。 2 exchange glances/greetings/words etc if two people exchange GLANCEs, greetings etc, they look at each other, greet each other etc 互瞥/互打招呼/交谈等