用太阳能嘛！

来源: ^3.1415926^ 于 2011-02-04 07:52:20 [] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)
回答: 电不够用 由 planojw 于 2011-02-04 07:41:00

所有跟帖： 

• Oh, do you see the sun in a snowy day? -ghost_in_shell- ♂ 给 ghost_in_shell 发送悄悄话 ghost_in_shell 的博客首页 (0 bytes) () 02/04/2011 postreply 08:13:26

• same time. you can see the sun when it rains~@~ -^3.1415926^- ♀ 给 ^3.1415926^ 发送悄悄话 (0 bytes) () 02/04/2011 postreply 08:32:08

• Solar energy stored in sunny days 4 other days. -SJSharks- ♂ 给 SJSharks 发送悄悄话 (0 bytes) () 02/04/2011 postreply 11:34:13

请您先登陆，再发跟帖！