人教版（2019）必修一重点词汇详解
exchange /ɪksˈtʃeɪndʒ/ n. [C;U]
(1)交换; 交流; 交易 vt. 交换; 交流；交易; 兑换;，互访;交易所;兑换;汇兑;对话;互换;交谈;争论;掉换vt.
(2)交换(尤指房屋或土地买卖的契约);交流;交易;兑换;更换;掉换;
例句
The exchange of prisoners took place this morning.今天早上交换了俘虏。
常用词组exchange gifts交换礼物
exchange greetings互相打招呼exchange currency兑换货币

What is need is a frank exchange of views. 我们需要的是坦诚地交换意见。
We need to promote an open exchange of ideas and information. 我们需要促进思想和信息的公开交流。