哪一個重大科技發明來自中國啊?國人的特色就是跟著別人後麵跑,但可以有點小改進

來源: 小酒蟲於 2012-12-19 07:47:24 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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