n. chemical process in which one atom or ion or group changes places with another
n. a mutual expression of views (especially an unpleasant one)
n. the act of changing one thing for another thing
n. the act of giving something in return for something received
n. 交换, (电话)交换局, 交换机, 汇兑, 交易所
v. 交换, 交易, 兑换
[计] 交换; 电话局
1. I want to exchange my old book for a new one.
我想把我的旧书换成一本新书。
2. We can exchange phone numbers after the meeting.
会议结束后我们可以交换电话号码。
3. They decided to exchange gifts for the holiday.
他们决定在节日里互换礼物。