These molecules burn more cleanly than gasoline, in part because they have fewer, if any, carbon-carbon bonds, and the hydrocarbons they do emit are less likely to generate ozone.

这些分子燃烧起来比汽油更干净，部分原因是它们的碳-碳键更少（如果有的话），而且它们排放的碳氢化合物不太可能产生臭氧。

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These molecules burn more cleanly than gasoline, in part because they have fewer, if and, carbon-carbon bonds, and the hydrocarbons they do emit are less likely to generate ozone.

这些分子燃烧起来比汽油更清洁，部分原因是它们的碳-碳键更少或者不存在，而且它们排放的碳氢化合物产生臭氧的可能性更小。

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What to do with the stuff? Burn it of course.

怎样处理这些东西呢？当然是烧掉了。

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- He's never gonna stop.- What should we do? We have to kill him.Rip him apart and burn the pieces.

VOA: standard.other

Here are humans who had to walk long distances potentially to find the food, kill the food at great risk to themselves; inspiring a cascade of physiological effects that have to do with fear and arousal and things like that, not to mention all the calories one would burn doing this kind of activity.

这些人可能需要走很远的路,去寻找食物,冒着巨大危险,杀死猎物,人们耗费能量以激活一系列生理效应,用以战胜恐惧,引发斗志,更不用说人们在狩猎的过程中,消耗的卡路里量了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Instead of trying to turn crops into fuel for transport, Europe would do better to burn them for power, says Peder Jensen, of the European Environment Agency.

ECONOMIST: Can biofuels save Europe, or the planet?

But do Americans -- does the President believe that Americans have the right to burn the Koran if -- as horrible as it is -- if they want to do that?

WHITEHOUSE: Press Briefing

The electric third rail makes it more difficult to do maintenance safely. 1000V DC current will literally burn a person to a black crisp.

FORBES: Why Does BART Need To Do Nightly Maintenance?