distension [dɪˈstɛnʃən]

例句:

• Heat causes the distension of gases.
  热使气体膨胀.
  
• Feeding too rapidly will cause abdominal distension and regurgitation.
  喂得太快会引起腹胀和反流.
  
• It's suitable for the patient with the symptoms of abdominal pain and distension.
  适用于腹痛、腹胀的病人.
  
• Her abdomen was soft, without distension, and there was an area of particular tenderness in the lower right quadrant.
  来自NEWYORKER