Solar energy stored in sunny days 4 other days.

來源: SJSharks 於 2011-02-04 11:34:13 [] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)
回答: Oh, do you see the sun in a snowy day? 由 ghost_in_shell 於 2011-02-04 08:13:26
請您先登陸，再發跟帖！