感謝您深入淺出的科普！掌握了精髓的才說的如此明白。

來源: innovate 於 2014-12-12 08:41:44 [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.