1.That many breeds produced by man have to a large extent the character of natural species, is shown by the inextricable doubts whether many of them are varieties or aboriginally distinct species.
人类培育出的许多品大程度上具有自
物
的特征,这一
从无法摆脱的疑问中看出, 其中许多品
是变
还是原始独特的物
。机翻