"作為一個工科研究生，我隻能說：MD，我知道的事情太少了。":))

來源: 凝凝於 2012-07-06 09:37:49 [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.