prolongation [ˌproʊlɔ:ŋˈgeɪʃn]

例句:

• the artificial prolongation of human life
  对人类寿命的人为的延长
  
• There was an indefinite prolongation of the peace talks.
  和平会谈被无限期地延长了.
  
• Objective To determine the clinical significance of PR prolongation ambulatory individuals.
  目的:本研究是确定非住院病人PR间期延长的临床意义.
  
• How do you define a 'natural prolongation'?
  来自SA
• Gottemoeller said further prolongation of the inspection lapse would have undermined mutual trust.
  来自VOA
• The specific projects may take from three to five years with the possibility of further prolongation for up to three years.
  来自SA