VERB
迅速成長;大量涌現
If something such as an industry or a place mushrooms, it grows or comes into existence very quickly.
例句
The media training industry has mushroomed over the past decade...
在過去10年里，媒體培訓產業迅速成長。
A sleepy capital of a few hundred thousand people has mushroomed to a crowded city of 2 million.
幾十萬人的沉寂首府迅速發展成為擁有兩百萬人口的擁擠都市。