蒙古人建立元朝，首都北京，蒙古可以吞并中国，中国不可以吞并蒙古？

来源: fourwaves 于 2016-09-16 07:36:07 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.