[] a great change in conditions, ways of working, beliefs, etc. that affects large numbers of people巨变;大变革◆a cultural/social/technological revolution文化的/社会的/技术的重大变革◆There has been a revolution in management thinking.管理思想发生了变革。▸revolutionary /ˌrevəˈluːʃənəri; NAmE-neri/