按照您的逻辑，没有中国发明的指南针，哪来的美国？

来源: 风隐于 2019-05-28 12:40:55 [博客] [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.