牛顿说: 我花了毕生精力发现了3大定律,你们就轻易地推翻了一个.我无地自容, 我我我...没法活了 :)

来源: 老生长谈于 2016-08-28 16:33:25 [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.