"极大增长"是指物体或数量的巨大增加。在英语中，这个短语可以表达为 "massive growth" 或 "huge increase"。例如:

The company has experienced massive growth in the past few years.
The city has seen a huge increase in tourists over the summer.

如果你想更加形象地描述增长，你也可以使用 "explosive growth" 表示爆炸性增长，或者 "exponential growth" 表示指数增长。