defecation

1.It is further possible that very private human activities like urination and defecation become erotically arousing to a fetishist.

进一步的可能，一种人类的私密活动，像撒尿和排便也会对恋物癖者产生性唤起作用。

2.However, groups of enuretic children who were aged 5 to 9 or aged 10 to 14 had significantly fewer defecations per week and more urinations per day than control groups of similar age.

不过，5-9岁组以及10-14岁组儿童患者与对照组相同年龄组相，周排尿量较少，日排尿量较多，有显著差异。