in

发音：[ɪn ɪksˈtʃeɪndʒ]

该短语的意思是：作为交换。

例句：

She offered me a ring in exchange but it wasn't worth a red cent.

翻译为：她给了我一枚戒指作为交换,但那是不值钱的东西。

I gave him my camera in exchange for his watch.

翻译为：我拿照相机换取他的手表。

这里的in exchange都是表示作为交换。

Exchange的其他固定搭配：

in exchange for 作为…的交换

exchange with sb 与某人交换