分類是為了再利用,環保,不僅僅垃圾處理掉就好了。是人類的進步,保護我們共有的地球!
所有跟帖:
• 嗯哪嗯哪。小學生的必修課 -王翠花- ♀ (0 bytes) () 04/18/2011 postreply 19:50:19
• 嗯哪嗯哪。小學生的必修課 -王翠花- ♀ (0 bytes) () 04/18/2011 postreply 19:50:19
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