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exchange的过去式是什么?exchange的用法和例句 Different Ways of Exchanging New Year Greetings 多种新年问候方式 High-Level Consultation on People-to-People Exchange opens Xi calls for enhanced health exchanges among BRICS countries Li, head of US state seek ways to enhance exchanges Spring Festival becomes bridge for cultural exchange between Exchange and swap 两个表示“交换”的单词区别 研究表明不运动比吸烟健康危害还要大 「好想认识 foriegner！」好像哪里怪怪的？超容易背错的 50 个英文单字总复习 和好友喝一杯