"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。
2
She burst into tears as she alluded to it, and for a few minutes could not speak another word.
她说到这里，不禁哭了起来，半天说不出一句话。
3
He was trying to put his feelings into every word of his speech. But his way of speaking had the opposite effect on the patients. They didn't seem to believe him. Instead, they burst into laughter.