But inbreeding was a big problem on the island and the population is dying out.

但在这个岛上，近亲结婚是个大，口也正在衰减。

And their intermarrying has made them different from other folks around here.

而且们近亲结婚已经使们变得跟这一带其不一样了。

Marriage between cousins is common in Pakistan, and such inbreeding leads to a high incidence of genetic disorders.

近亲结婚在巴基斯很普遍，而这种近亲交配引发遗传性疾病发病率很高。

It was whispered in Vienna that the heir was clinically insane, that his family's inbreeding had caught up with him.

维也纳有传言说，这位继承被诊断为精神失常，族近亲结婚害了。

The only downside to living in this way is that you'd have to reproduce with your cousin or aunt whichever you prefer really.

这样生存唯一劣势是需要近亲结婚。

Darwin glumly suspected that certain physical and mental frailties among his children arose from a lack of diversity in his family tree.

怀疑出现在孩子身上某些生理和精神方面，一定是由于近亲结婚所致。

The Wilkes are fine folks in their way, and you know I'm fond of them all, but be frank! They are overbred and inbred too, aren't they?

威尔克斯就们为来说都是些好，而且你也知道我很喜欢们，可是让我们白说吧！们吠讲究教养，也太爱搞近亲结婚了。