health problem为什么不用healthy

health problem为什么不用healthy 英语翻译health problem 还是healthy problem 为什么 keep healthy 为什么不用health? simple _____ problem(填health还是healthy) staying healthy 为什么不是 staying health 【英语】健康问题 的英文是healthy problem还是health problem? 究竟是health problem还是healthy problem?是填形容词还是填,名词? grow up healthy and brightly为什么healthy不用副词形式? health healthy 的区别 health & healthy 的用法? health与healthy 英语health和healthy