中國近幾百年來對人類科技和思想幾乎沒有任何貢獻！

來源: Parkbrooke 於 2022-12-21 04:38:00 [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.