Typical Assignment: Test burn rates of new propellants.

典型的任务：测试新的推进剂的燃烧率。

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The booster will burn for about 60 seconds, enabling engineers to validate and test its performance.

该助推器将会燃烧大约60秒左右，使的工程师可以对它的性能可以进行证实与测试。

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When terminal test approaching, all students burn the midnight oil to study.

快要期末考试了，同学们都熬夜学习。

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The only reliable way to tell the difference is to take samples from the burn patterns and test them in a laboratory for the presence of flammable or combustible liquids.

NEWYORKER: Trial by Fire

But in 1999, Aviation Partners showed in test flights that its devices cut fuel burn, and the companies formed their joint venture.

WSJ: Air War: 'Winglet' vs. 'Sharklet'

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