帮忙说一下这几个英语句子的意思和用法

题目

帮忙说一下这几个英语句子的意思和用法
Do you know how to keep healthy?
Eating a balanced diet is very important.
Do you know what a balanced diet is?

答案

Do you know how to keep healthy?你知道如何保持健康吗?用法:keep sth.+形容词,动词不定式Eating a balanced diet is very important.一个均衡营养的饮食是很重要的 用法:动名词做主语Do you know what a balanced ...