excretion [ɪkˈskriʃən]

例句:

• The obsessional's habitual disgust with bodily functions, especially with those of excretion.
  来自A. Storr
• Latin word originally means a mucous excretion.
  这个拉丁词,原意为含粘液的分泌物.
  
• Sweat is an excretion.
  汗是一种排泄物.
  
• Sweat is also an excretion.
  汗也是一种排泄物.
  
• But in terms of excretion don't get your hopes up.
  来自NEWYORKER
• There are different types of diuretic and they generally act by increasing the excretion of water and sodium by the kidneys.
  来自BBC