英文中：保持健康是 keep health 还是keep healthy?

英文中：保持健康是 keep health 还是keep healthy? 保持健康是 keep healthy还是keep health 保持健康是keep health 还是keep healthy? 是keep health,还是keep healthy? keep health还是keep healthy 保持健康(英文短语)如何说啊我知道是keep healthy但是healthy是形容词啊这要是health吧,怎么会是h keep our health 还是keep our healthy keep in healthy还是health? 保持健康是keep healthy,keep+adj.,为什么保持平衡又是keep balance,keep+n.为什么 keep health和keep healthy 保持健康英文keep healthy=stay healthy还等于什么? keep in good health还是keep in good healthy