China has more than milions發明,四大發明is the fundation of Human bein

來源: David1115 於 2010-01-12 15:05:38 [] [舊帖] [給我悄悄話] 閱讀數 : (86 bytes)
回答: 中華四大發明 由 3969 於 2010-01-12 10:42:26

China has more than milions發明,四大發明 is the fundation of Human being civilization.

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