impetus [ˈɪmpɪtəs]

例句:

• This is the primary impetus behind the economic recovery.
  这是促使经济复苏的主要动力.
  
• The treaty gave a fresh impetus to trade.
  这条约使双方的贸易又推进了一步.
  
• Children need an impetus to study.
  儿童学习需要动力.
  
• It doesn't have that same impetus any more.
  来自THETIMES
• The numbers may yet provide an impetus to act.
  来自THETIMES
• The Impetus, the Lyrical oestrus, is gone.
  来自E. FitzGerald
• Her speech gave an impetus to my ideas.
  她的演说激励了我的思想。
  来自《权威词典》
• The Civil War provided an impetus to Michigan's growth.
  南北战争推动了密歇根州的发展。
  来自《权威词典》