单词学习：exchange 动词/名词
exchange
/ɪksˈtʃeɪndʒ/
交换；交流；兑换；交易所
Ms. Gu exchanged teaching ideas with her colleagues during the meeting.
顾老师在会议上与同事们交流了教学想法。
单词卡片
卡片已就绪
