蝶翼倏忽幻化成科學的翅膀,在宇宙時空中翱翔啊~~~大美,大讚!
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• 嗬嗬!送給物理老師,還未全忘了! -石蝶- ♂ (0 bytes) () 03/01/2016 postreply 21:40:23
• 嗬嗬!送給物理老師,還未全忘了! -石蝶- ♂ (0 bytes) () 03/01/2016 postreply 21:40:23
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