One of the main challenges will be to ensure that the bones, which are living tissue, maintain the desired shape after they have been formed and implanted.

最大的挑战之一将是确保骨头这样的活体组织在它们被定型和植入后能够保持理想的形状。

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But consider that the bones of "the Lovely bones" belong not to the victim but to an abstract and quite positive idea — namely, that bones are the structure on which living things are built.

但是这正是由于《可爱的骨头》中的骨头并不属于受害者，而属于一个抽象而相当积极的观点——也就是，骨头是建立生命所需的结构。

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Gingerich and many other paleontologists trusted the hard evidence of the bones more than the molecular comparisons of living animals.

证据确凿的骨骼证据，分子学家的分子比照，金格·里奇和其他古生物学家更相信前者。

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Bones are living tissue. Tissues continually break down and then replace themselves.

VOA: special.2010.08.31

Deep in oceans around the world lurks a type of worm without a mouth, anus or gut that makes its living by eating the bones of whales and other deceased sea creatures.

MSN: Zombie worm has no mouth �� but it feasts on whale bones

One of the risks of living in microgravity conditions is that bones tend to lose strength over time.

BBC: Shuttle Endeavour launches from Florida