你是数学家，俺实际上向你偷学嘀…嘎嘎嘎

来源: talkatwxc 于 2016-10-19 15:53:20 [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.