After he looked for the bone for a short time, he lay down on the ground sadly.

他找了一会骨头之后，悲伤地躺在地上。

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By contrast, bone can be stored for ages, ground into a paste and successfully used in a range of procedures on various people without regard to say, blood type.

相反，骨骼可以保存几年，可以搁置在糊状包裹里，然后拿出来给不同的人成功地使用，不用考虑血型匹配问题。

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It bowed in response to the forces moving up the leg from the ground, stretching the various bone cells and forcing them to adapt, usually by adding cells, which made the bone denser.

为了对这种将腿提离地面的作用力作出反应，骨头会拉伸各种骨细胞，并强迫它们适应，通常是透过增加细胞，这导致了骨头密度变得更高。

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He also called for more inspections of cattle at the slaughterhouse and to ensure that the 1997 feed ban on ground bone meal is not being violated.

CNN: Democrats criticize administration over mad cow

The match at Hyde United's ground will honour PCs Fiona Bone and Nicola Hughes who died in Mottram in September.

BBC: PC Fiona Bone and PC Nicola Hughes

France, which has banned the sale of T-bone steaks and all animal feed made from ground-up cattle, so called meat and bonemeal, had called for a complete ban on the produce in an effort to avoid isolation within the union.

CNN: EU extends tests for mad cow disease