双语例句原声例句
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在20年的时间内，威廉姆斯和他的同事对北美西部的5000多名美洲印第安人的血液进行了取样。
Williams and his colleagues sampled the blood of over 5,000 American Indians in western North America during a twenty-year period.
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他们发现，他们的转基因同种异体可分为两组，其中一组也与中美洲和南美洲印第安人的基因分型相对应。
They found that their Gm allotypes could be divided into two groups, one of which also corresponded to the genetic typing of Central and South American Indians.
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他们还证实了这些人就是现代美洲印第安人的鼻祖。
They also suggest that at least some of those people were the ancestors of modern Amerindians.
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And it's given here this sort of cliched, noble origin with the Native American, the Plains Indian.
在这儿讲有些陈词滥调的，美洲原住民草原印第安人的高尚开端。
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