知道稀土是用在哪裏的嗎? 都是受過教育的人,怎麽一張口和文盲差不多的.奇了怪了.

來源: 999朵玫瑰於 2012-10-08 12:26:55 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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