这表明产生人类的神经系统变化可能早于南方古猿大脑的扩张大脑扩张至今仍被认为是人类出现的重要因素。
The hands, feet and pelvis of sediba indicate that it both climbed trees and walked upright,though with a different gait from that of humans or chimpanzees.
南方古猿sediba的手、脚和盆骨表明尽管其步法与人类或黑猩猩有所不同,但它能够爬树和直立行走。
The species may have been a toolmaker, as its hand allowed for a human-like grip.
这种物种可能还会制造工具,因为它们的手能象人类那样紧握。
Sediba s pelvis, an upright butterfly shape, is likewise reminiscent of the human one.
南方古猿sediba呈直立蝴蝶状的盆骨同样与人类相似。
It therefore sheds light on a longstanding debate: whether it was bipedalism or giving birthto babies with large heads that drove changes in the shape of the human pelvis.
因此它为长期争论的问题提供了很好的阐释:人类的盆骨形状是源自于双足行走还是为了生育大头婴儿。
Adult sediba had small heads, which indicates thatwalking upright was the advantage brought by the modern pelvis.
由于成年南方古猿sediba头部很小,这表明现代人的盆骨可带来直立行走的好处。
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