Another common property of stem cells is accumulate at sites of injury , where their services are obviously needed .

干细胞另一个基本的特性是会在那些需要它们发挥作用的部位——受伤的部位增殖。

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For humans , the equivalent is probably those really annoying pistachio nuts accumulate at the bottom of the bag.

对人类而言，类似之处也许就是那些实在令人讨厌的堆在袋底的开心果。

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No doubt more bombs would be laid as soon as today 's job was done , but the marines could hardly allow them to accumulate .

毫无疑问，今天的清扫工作结束后，马上又会埋下更多炸弹，但是陆战队员们似乎不允许这些炸弹日积月累。

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