这种狼身材小的不同寻常，皮毛淡红色，还有下巴也相对较短，达尔文对其起源也感到好奇。
Darwin also wondered at the origins of the wolves, which were unusually small, and had reddish fur and relatively short jaws.
图中的生命起源和智人(Homo sapiens)都被标上了红色。
Life's origin and humans, aka Homo sapiens, are labeled in red.
实际上，1859年出版的达尔文著作《物种起源》似乎印证了坦尼森此前二十年的名句——“在尖牙利爪之下，自然是红色的”。
Indeed, Darwin's Origin of -species by Means of Natural Selection, -published in 1859, seemed to vindicate Tennyson's adage from 20 years -earlier, of "nature red in tooth and claw".
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