The inventor Henry Bessemer discovered that directing a blast of air at melted iron in a furnace would burn out the impurities that made the iron brittle.

发明家亨利·贝塞默发现，在熔炉里对铁水直接吹一吹气，就会烧掉使铁变脆的杂质。

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In the air was the smell of burning human flesh; human beings burn surprisingly quickly.

空气中弥漫着人体烧焦的味道，人的躯体的燃烧速度快得惊人。

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Nitrogen is removed from the air, enabling the fuel to burn in pure oxygen.

氮气从空气中被去除，使得燃料能够在纯氧中燃烧。

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Race cars burn a lot of fuel, and create a lot of air pollution.

VOA: special.2009.11.03

Ingesting this slower air allows an engine to burn its fuel more efficiently while generating the same amount of thrust.

ECONOMIST: The aircraft of the future

The X-43A, or "Hyper-X" was built specifically to test scramjets, or supersonic ramjets, which burn fuel in air travelling at supersonic speeds.

BBC: Mach 10 scramjet prepares for launch

The Chinese have severe air pollution problems and they want to burn more gas, but gas is expensive, supplies are unreliable and they can't get enough of it.

FORBES: David Victor