expectancy [ɪkˈspɛktənsi]

例句:

• A world population where life expectancy is continuously increasing.
  来自Anthony Huxley
• Maybe this is why our life expectancy is shorter.
  来自SA
• Three of the six have comfortably exceeded their normal life expectancy.
  6人中已经有3人轻松超过了正常的预期寿命。
  
• Average life expectancy went down from about 70 to 67.
  平均预期寿命从70岁左右降到了67岁。
  
• The supporters had a tremendous air of expectancy.
  支持者们充满了期待。
  
• Sick with expectancy of the news he feared.
  来自O. Henry