revolutionary  
 adjective uk/ˌrev.əˈluː.ʃən.ər.i/ us/ˌrev.əˈluː.ʃən.er.i/
  (IN POLITICS)      
 B2 革命的,革命性的
involved in or relating to a revolution
  a revolutionary leader/movement 革命领导人/运动 
 - More examples
- He was arrested for taking part in revolutionary activities.
- His writings influenced political thinking during the revolutionary war.
- The revolutionary party was defeated in the recent election.
- The government has ordered the closure of the revolutionary newspaper.
- Several revolutionary organizations combined to form the new party.
  (NEW AND IMPORTANT)      
B2 革命性的;大变革的;完全创新的
completely new and having a great effect
  Penicillin was a revolutionary drug. 青霉素是具有革命性意义的药物。 
 The 20th century brought about revolutionary changes in our lifestyles. 二十世纪带来人们生活上的巨大转变。 
 revolutionary       
noun [ C ] uk/ˌrev.əˈluː.ʃən.ər.i/ us/ˌrev.əˈluː.ʃən.er.i/ (also revolutionist, /ˌrev.əˈluː.ʃən.ɪst/ /ˌrev.əˈluː.ʃən.ɪst/)
 革命者
someone who tries to cause or take part in a revolution
  She joined a movement of armed revolutionaries.
 He was a true revolutionist who didn't fight for the government, but for freedom.
 - More examples
- A poster of the Cuban revolutionary Che Guevara hangs on the wall.
- She was a true revolutionary who fought for the rights of the poor in her country.
- He is working on a biography of the famous French revolutionist Robespierre.