He thought it was difficult for him to find one bone in such a big field.

他认为很难在这么大的田地里找到一根骨头。

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One bone was a piece of rib from a cow-sized mammal; the other, a leg bone fragment from a mammal the size of a goat.

一根骨头是来自牛一般大小的哺乳动物的肋骨；另一根是来自山羊一般大小的哺乳动物的腿骨碎片。

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Impacted fracture means that one bone fragment is embedded into another bone fragment.

嵌入骨折是指一个骨头碎片嵌入到另一个骨头碎片。

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They say the technology for making flutes out of ivory is much more complex than for making one out of bone.

VOA: special.2009.08.18

One is because we understand the bone marrow system so much better than we understand all the other stem cell systems.

一个原因就是我们对骨髓系统的认识,远高于其他干细胞系统

耶鲁公开课 - 生物医学工程探索课程节选

There are a couple of tissues that are of particular interest to scientists and clinicians now and bone marrow is one of those.

有一些组织现在受到,科学家和临床工作者的关注,骨髓就是其中之一

耶鲁公开课 - 生物医学工程探索课程节选

One bone of contention was competition between Citi's Smith Barney brokerage operation and Wachovia's brokerage division, which was not included.

FORBES: Magazine Article

One thing Peter Bone won't squabble about is that Mr Clegg is the problem.

BBC: Europe: The different faces of Tory 'unity'

In one case a bone from New York was used in a hip replacement operation at the Royal National Orthopaedic Hospital, in Stanmore, Middlesex.

BBC: NEWS | UK | Wales | 'Stolen bones' used in Welsh ops