2. As humans
interbred, soon other kingdoms also
interbred and sometimes at scientific hands.
当人类混血繁衍时,很快地,其它王国也开始混血繁衍,这有时是在科学家手里造成的。
3. Competing theories place them either as an archaic variant of our own species,
竞争理论将它们作为远古时我们的祖先--智人的一种变种,智人与他们杂交,或者是一个单独的物种。