"Spurt" is the word used to describe a short burst of activity, something that happens in a hurry.

这个词用来形容一种爆发式的增长，一些急速发生的事情。

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To make it travel more efficiently, researchers blasted a short burst of sound at an electron trapped in an energy well.

为了使之移动得更有效率，研究者对困在势阱中的电子加了一个短促的冲击声波。

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Constructive Disengagement - Full engagement is using all of your resources and can only be maintained for a short burst.

建设性脱离-全部参与是使用你的所有资源，并只能维持短期突发。

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Supercapacitors have a big internal surface-area that allows a large amount of energy to be delivered rapidly and are used in some electric cars to provide a short burst of power for rapid acceleration and in hybrids to recover energy during braking.

ECONOMIST: Carbon-composite batteries

Saints regained the lead against the run of play in the 23rd minute when Leon Pryce collected a short offload from Wellens and burst through a gap to touch down.

BBC: St Helens 20-22 Wakefield

But for a short-lived event such as a gamma-ray burst it means that the same blast may become visible again in the future.

ECONOMIST: An illuminating burst