喜歡這類文章，可以永存，比那類帖文好。可惜城裏沒有科學專欄。

來源: zillos 於 2021-06-18 08:22:25 [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.