我想这是遗传下来的性格吧。

It's inherited, I guess.

youdao

但是，遗传学清楚地表明，这一物种实际上是祖传下来的。

But the genetics clearly show that this species is in fact ancestral.

youdao

但是，遗传学清楚地表明，这一物种实际上是祖传下来的。

But the genetics clearly show that this species is in fact ancestral.

youdao