mushroomed
['mʌʃrʊmd]
vi.
迅速增长（mushroom的过去式与过去分词形式）;
例句:
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Payday loans have mushroomed in a few years.
来自THETIMES
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New housing estates have mushroomed on the edge of the town.
城郊的新住宅楼发展得十分迅速.
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The little town mushroomed into a city.
那座小镇迅速发展成一座城市.
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The smoke mushroomed into the sky.
烟呈蘑菇状升上天空.
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Both the younger brothers had mushroomed in self-confidence.
来自C. McCullough
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Clubs mushroomed where swinging couples could go and find new partners.
来自S. Kitzinger