Or,he said human DNA really was present in the bone, but the bone was too small or low-quality to repeat the first results.

VOA: special.2011.03.15

And he had bone fragments of what they thought-- or,at least,ashes of Marie Antoinette that he had with him in his room all the time.

他拿了他们的骨头碎片,或至少是玛丽·安托瓦内特的骨灰,并把这些一直放在他的房间里

耶鲁公开课 - 1871年后的法国课程节选

By taking cells from the skin, for example, or cells from your blood or cells from the bone marrow and keeping them alive in culture, we've been able to study how human cells work and learn a lot about the functioning of human organism.

举例来说,通过从人的皮肤,骨髓,或者血液中提取细胞,并在培养基中培养,就能研究人类细胞是如何工作的,并在一定程度上了解人类机体的功能

耶鲁公开课 - 生物医学工程探索课程节选

This might put some women at greater risk for heart disease or the bone-thinning disease osteoporosis.

VOA: special.2010.10.12

Or maybe I could donate bone marrow and those stem cells could be given to other people in the same way that blood can be given to other people by matching and making sure that immunologically my cells were compatible with you; there's a lot of interest in that.

或者我可以捐献骨髓,而那些干细胞,可以使用和输血同样的方法,通过配型来确认我的免疫细胞和你的匹配,从而把我的干细胞,输入给你,这里面有很多有趣的东西

耶鲁公开课 - 生物医学工程探索课程节选

Or,the DNA in the bone might be non-human.

VOA: special.2011.03.15