外星生命肯定存在，但到地球的可能性等于零。

来源: speedingticket 于 2016-06-17 09:13:16 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.