额也是科学家哦。原子核、电子的道理怎么会不懂?仔细解释起来,电子间的负负排斥也要考虑呀。但一认真恐怕会三纸无驴,而且还有可能涉及妻妾关系啊。:)
粥末鱼块。
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一点不接受意见啊:)
-晴空骄阳-
♂
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01/15/2010 postreply
17:39:46
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那可只是特例啊。。。
-闲话-
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01/15/2010 postreply
17:52:57
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