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[科学阅读] 科普阅读:鼹鼠的额外手指其实是手腕骨
What looks like the thumb on six-fingered moles is really a giant wrist bone that develops separately from the five true fingers. Steve Mirsky reports[qh]史蒂夫．米尔斯基报道说，六指鼹鼠身上看起来像大2012-01-30 编辑：Richard
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2012-01-30 编辑：Richard
