ephemeral [ɪˈfɛmərəl]

例句:

• Most newspapers are of ephemeral interest.
  多数报纸只能引起读者短暂的注意.
  
• These paintings are in some ways a reminder that earthly pleasures are ephemeral.
  这些画在某种意义上提醒人们世俗的享乐是短暂的。
  
• He talked about the country's ephemeral unity being shattered by the defeat.
  他谈到战败使得该国短暂的统一彻底破灭。
  
• Much of Gosse's energy was going into ephemeral journalism.
  来自A. Thwaite
• Greenwich is a much more ephemeral place than it would appear.
  来自NEWYORKER
• "This is a country of the ephemeral," she explains.
  来自WSJ