好好讀讀我的原文吧。還以為擠在一起才有密度速度？幾百歲了？

來源: 大號螞蟻於 2016-09-07 16:13:17 [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.