以常識論,牛車難以載人進入外太空,過時的工具而已。
本文內容已被 [ 板兒牙 ] 在 2012-08-16 07:37:27 編輯過。如有問題,請報告版主或論壇管理刪除.
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2024 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy