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標題: 吃菠菜 [打印本頁]

作者: loon5 時間: 2009-11-26 12:01 PM 標題: 吃菠菜

有一天，小强问妈妈：“妈妈你平时叫我多吃菠菜，说菠菜时里含铁。我吃那么多，用吸铁石吸了吸，为什么一根也没吸出来？

作者: zhouquan1008 時間: 2009-11-26 12:48 PM

有些意思

作者: Icy05 時間: 2009-11-26 05:00 PM

1# loon5

Um....What an naive child......but really agree with what he asked.....if we have eaten too much iron, we should be easily stuck onto any magnetic stuff......very dangerous.

作者: 99LIEW 時間: 2009-12-7 12:44 PM

THANK YOU FOR SHARING

作者: 陈SIR 時間: 2009-12-7 05:07 PM

含铁离子

作者: john_93 時間: 2009-12-7 05:08 PM

thx for sharing !!!

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