It's a genetic trait that causes deafness at an early age.

早期耳聋是基因缺陷造成的.

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Some may think of the personality as a genetic trait.

有些人会认为人格作为遗传特性而存在.

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Now people have known that the color of one's skin is a genetic trait.

现在,人们知道人的肤色是一种遗传特征.

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