當年沒條件，俺用肉眼直接觀察過太陽黑子~~

來源: 潛潛潛於 2012-05-20 04:16:51 [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.