The fire burnt up suddenly.

火突然烧起来了。

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We burnt up all the garden rubbish.

我们将花园中的垃圾全部烧掉了。

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Upwards of a billion stars in our galaxy have burnt up their internal energy sources, and so can no longer produce the heat a star needs to oppose the inward force of gravity.

在我们的星系中，超过10亿颗恒星已经耗尽了它们的内部能量来源，因此无法再产生恒星所需的热量来对抗向内的引力。

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What if we could build a nuclear reactor that offered no possibility of a meltdown, generated its power inexpensively, created no weapons-grade by-products, and burnt up existing high-level waste as well as old nuclear weapon stockpiles?

FORBES: Is Thorium the Biggest Energy Breakthrough Since Fire? Possibly.

Most of the 20-year-old satellite should simply have burnt up on re-entry into the Earth's atmosphere, but modelling work indicated perhaps 500kg could have survived to the surface.

BBC: Nasa's UARS satellite falls off west coast of US

McLaren blamed a wiring loom that had been burnt because of heat build-up while Raikkonen was going slowly behind the safety car.

BBC: SPORT | Motorsport | Formula One | Alonso survives Monaco thriller