以常識論，牛車難以載人進入外太空，過時的工具而已。

來源: 板兒牙於 2012-08-15 20:24:52 [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.