spurt

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The shortfall in investment means that, by common consent, Brazil cannot sustain this year’s growth spurt.
投资不足（普遍同意）意谓著巴西不能永远保持今年的成长喷出。
Some weeks the baby’s—and your—growth will spurt while during others it will plateau all of which is perfectly normal.
在某些星期里婴儿——和你自己——会飞速增长，而在其他星期里又变得平衡了，所有这一切都是完全正常的。
Before the global downturn washed up on African shores, trade and investment from China and other Asian countries were contributing to an unprecedented spurt of economic growth.
在全球衰退浪潮冲刷非洲海岸之前，来自中国与其它亚洲国家的贸易与投资，推动非洲迸发出一波空前的经济增长。
blog.sina.com.cn

What that means is that we identify students who are going to take a big leap, intellectual leap forward in this coming year, a spurt forward in this coming year.
测试能让我们找出,将在新学年在学业上，取得巨大进步的学生，在新学年取得巨大进步。
哈佛公开课 - 幸福课课程节选

The first big growth spurt took place in the 1960s behind high tariff walls.
ECONOMIST: Beyond Wisteria Lane
Indiana followed that with a 9-4 spurt to take a 45-37 lead and never trailed again.
NPR: Pacers Rebound With 106-83 Rout Of Hawks In Game 5
The biggest spurt of new jobs has come from last November's limited liberalisation of shop-opening hours.
ECONOMIST: German jobs

(LIQUID) to (cause to) flow out suddenly and with force, in a fast stream
(INCREASE) to increase or grow very quickly, or to suddenly increase by a particular amount
(INCREASE) a sudden and short period of increased activity, effort, or speed
(LIQUID) a sudden fast stream of liquid

When liquid or fire spurts from somewhere, it comes out quickly in a thin, powerful stream.
Spurt out means the same as .
A spurt of liquid is a stream of it which comes out of something very forcefully.
A spurt of activity, effort, or emotion is a sudden, brief period of intense activity, effort, or emotion.
If someone or something spurts somewhere, they suddenly increase their speed for a short while in order to get there.
If something happens in spurts, there are periods of activity followed by periods in which it does not happen.