The invention of the bows itself ranks with discovery of fire and the wheel.

弓箭的发明本身与火和车轮的发现并列。

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Books tell us that the discovery of fire was one of the biggest discoveries of man.

书本告诉我们，火的发现是人类的最大的发现之一。

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Although homo sapiens did not exist at that time, this discovery provides no basis to the claim that the controlled use of fire preceded the Homo sapiens.

尽管智人在那个时候还不存在，但这一发现并不能为认为在智人之前就有节制地使用火的说法提供任何依据。

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Nuclear fission in the context of the span of history is, like the ancient discovery of fire, game-changing.

FORBES: Post Fukushima-- burn more coal and oil, and hire more engineers not regulators

Staff notified the fire service of the fire within two minutes of discovery and called them to attend 15 minutes later.

BBC: Atomic weapons plant fire crews 'delayed' from entering