Now, you've heard this word before, and you know it has something to do with bones. But can you actually explain what it is?

你以前听说过这个词，也知道它与骨头有关，但是你能解释它到底是什么吗？

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The bones mended, but the surgery left me with a nasty patch of scar tissue that pulled on my leg.

骨头是接上了，但那个手术在我腿上留下了一条丑陋的包裹纱布。

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But people with loose hamstrings can lift their sitting bones so high that the tendon starts to wrap around the bone. This can weaken the tendon.

但是对于腘绳肌较松弛的人来说，他们可以把坐骨抬的很高，以至于上腘绳肌肌腱包裹住坐骨，最终也会使肌腱受损。

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But they sense, deep in their bones, that with just a change in priorities, we can make sure that every child in America has a decent shot at life, and that the doors of opportunity remain open to all.

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These small design features also win it points with aesthetics, which overall is pretty bare bones but minimalistic enough to satisfy my needs.

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But the drug also is approved for treating a vastly larger swath of 34 million Americans with slightly thin bones (osteopenia).

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