[intransitive] (about a business or an economy) to have a period of rapid growth; to become bigger, more successful, etc.
（指商业或经济）急速增长◆Use of the Internet has boomed in recent years.
最近几年互联网的使用迅速发展。◆Business is booming!
业务正繁荣兴旺！ ▸ ˈbooming

adjective