mushroom

1. N-VAR Mushrooms are fungi that you can eat. They have short stems and round tops. 蘑菇

There are many types of wild mushrooms. 有许多种野生蘑菇。

2. V-I If something such as an industry or a place mushrooms, it grows or comes into existence very quickly. 迅速发展

The media training industry has mushroomed over the past decade. 媒体培训业在过去的十年中迅速发展。