voidings
美
英 
- adj.空的;(职位)空缺着的;【法】无效的;〈诗〉无益的
- n.空虚;空处;空席;真空
- v.使[宣告]无效;放出;出空
- 网络空洞;气洞或空洞;排尿期症状
例句
Patients were classified according to the number of night-time voidings and age, whether less than 50 years of age or 50 years and older.
根据夜间排泄次数和病人年龄是否小于50岁或大于等于50岁,病人们被分类。