Eating more vegetables can extract enough vitamin to keep physical heath 请问这句怎么改才比较合理

问题描述:

Eating more vegetables can extract enough vitamin to keep physical heath 请问这句怎么改才比较合理
还有就是从句问题 大家能帮我例句一下从句的种类和例句吗

to 引导的目的状语从句