posterior [pɑ:ˈstɪriə]

例句:

• S.E. in exercise physiology to perfecting the female posterior.
  来自NEWYORKER
• He plumped his large posterior into the lavatory pan.
  他的大屁股坐到了便盆上.
  
• He paused a moment to raise his posterior from the chair.
  他停顿了一下,从椅子上立起来.
  
• The posterior hypothalamus performs the function of defence against cold.
  下丘脑后部执行着抵御寒冷的功能.
  
• We speak not of Scotland's prime political posterior.
  来自BBC
• From a position posterior to a photons path a black hole is known.
  来自SA