average days of stocking

例句：

1. 1. She takes a daily multivitamin to ensure she's getting theright nutrients.
   她每天服用多种维生素片以确保获得正确的营养。
2. 2. The elderly often needextra supplements to maintain their health.
   老年人通常需要额外的补充品来维持健康。
3. 3. Thedoctor prescribed her with a special nutritional supplementfor her condition.
   医生为她开了一种特殊营养补充剂来治疗她的病情。