urination [ˌjʊərɪ'neɪʃn]

例句:

• The sick cow frequently attempts urination and pulsates the urethra over the ischium arch.
  病牛频频企图排尿,搏动坐骨弓上的尿道.
  
• The clistressed cow frequently attempts urination and pulsates the urethra over the ischial arch.
  病牛频频企图排尿,坐骨弓上的尿道发生搏动.
  
• Flank pain associated with burning on urination, suggests renal calculi.
  侧腹痛伴有排尿灼表明是肾结石.
  
• Trouble with bowel movements or urination or walking?
  来自NEWYORKER
• Sometimes there is painful and frequent urination.
  来自BBC
• It's been applied more specifically to half a cigarette, a settler's hut, and a hospital urination bottle.
  来自BBC