人教版（2019）必修第一册Welcome Unit Words and expressions重点单词详解课件 (共17张PPT).pptx
(共17张PPT)
Welcome Unit
Period 1
vocabulary
1.exchange n 交换，交流
vt 交换，交流，交易
An exchange student 交换生
in exchange for…作为交换…
Would you like my old TV in exchange for this camera
exchange sth with sb 与某人交换某物
exchange sth for sth 用…交换…
例：He attempted to work in the restaurant in exchange for a free me...