mushroom的意思是什么？

蘑菇

n.[c] 1. 蘑菇;伞菌;蕈 some mushrooms are edible; some are poisonous. 有些蘑菇可食用;有些则有毒。 2. 蘑菇形物 3. 蘑菇般迅速增长的事物 tourism is a mushroom to the country. 旅游业是这个国家发展极快的行业。 4. (核爆炸后形成的)蘑菇云 5. 【古】暴发户 vi. 1. 采蘑菇 let's go mushrooming. 我们采蘑菇去吧。 2. (火焰等)呈蘑菇状升腾 3. 雨后春笋般地涌现 new buildings have mushroomed all **** the area.