Attach a sharp stone to the end of astout piece of wood, and with this lever you can hugely increase thespeed, force, effectiveness and safety with which the axe can bewielded.

将一块带有尖刃的石器和一根强壮的树枝接在一起，利用这根长矛人类可以极大地提高速度、力度、效率和安全性。

youdao

But for most of human history, there was only one thing that you really needed in order to travel - a stone hand axe.

但是在人类历史上的多数阶段，你旅行中真正需要的可能仅仅是一把石制手斧。

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And what I think makes this stone axe so interesting is how much it tells us, not just about the hand, but about the mind that made it.

我觉得让这把石斧如何有趣，是因为它不仅可以告诉我们其制造者手中的工艺，还有制造者脑里的想法。

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