midpoint [ˈmɪdˌpɔɪnt]

例句:

• The midpoint and equivalence point for carbonic acid are much higher.
  碳酸滴定中点和等量点也高得多.
  
• She has not yet reached the midpoint of her life.
  她的人生还没有走到一半。
  
• If a vibrating string is lightly touched at its midpoint , its pitch goes up an octave.
  如果在一根振动弦的中部轻轻一触, 它就发出高八度的音.
  
• Rail activity could possibly even double by the midpoint of the century.
  来自WSJ
• Similarly the music it plays occupies a midpoint which gradually moves from improvisation to composition.
  来自BBC
• It's resplendent with shiny shouting, but this is notably toned down for the likes of dreamy midpoint The Only Exception.
  来自BBC