Now there was Herto. As the broad, heavy-browed male skull emerged from its matrix of sand, it proved the perfect face for the out of Africa theory.

但在赫托村的发现提供了最直接的证据，这具头骨来自于一位宽额粗眉的男性，它的出土有力证明了人类起源于非洲的理论。

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Palaeo anthropologists, archaeologists and, more recently, geneticists have all bolstered the "out of Africa" theory, which holds that early man wandered out of the Rift Valley.

古人类学家，考古学家，最近还有遗传学家都支持“走出非洲”的理论，该理论认为早期人类是从非洲大裂谷走出来的。

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The Peking Man fossils are a vital component of the Out of Africa 1 migration theory, which proposes that Homo erectus first appeared in Africa around two million years ago before spreading north and east (modern humans, Homo sapiens, would follow much later and supplant all other Homo species).

BBC: 'Peking Man' older than thought