spontaneity [ˌspɑ:ntəˈneɪəti]

例句:

• The ersatz spontaneity of "Sunday Love" sounds especially hollow.
  对《星期天的爱情》这首歌的即兴模仿听起来尤其空洞。
  
• The...grainy photograph which...was a sign of spontaneity and originality.
  来自Times
• His enthusiasm was somewhat lacking in spontaneity, I thought.
  我觉得他的热情有点勉强,缺乏自发的冲动.
  
• He had the spontaneity of a child.
  他有着孩童般的率性。
  
• Yes, the show is not big on spontaneity.
  来自NEWYORKER
• It's a way of increasing the spontaneity of things.
  来自NEWYORKER