mushroom1/ˋmʌʃrum; ˈmʌʃruːm/n [C] one of several types of FUNGUS with a stem and a round top. Some types can be eaten [→ toadstool] 蘑菇: mushroom soup 蘑菇汤see picture at见 VEGETABLE 图
mushroom2v [I] to increase or develop very quickly 迅速增长﹔迅速发展: Sales began to mushroom. 销售开始迅猛增长。