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(单词翻译)
10. This DNA1 can reveal genetic2 information about only one or two ancestors, even though, for example, just three generations back people also have six other great-grandparents or, four generations back, 14 other great-great-grandparents.
收听单词发音
1
DNA
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| (缩)deoxyribonucleic acid 脱氧核糖核酸 | |
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2
genetic
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| adj.遗传的,遗传学的 | |
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3
aptitude
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| n.(学习方面的)才能,资质,天资 | |
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