你的“文明”, hahah 古希腊人埃拉托斯特尼在公元前测算出地球周长为39000公里。

来源: dicelook 于 2014-04-22 20:36:34 [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.