stay 是名词，stay 也是及物动词和不及物动词，所以可以接各种形容词和介词，例句：In the winter we try to stay warmStay out of my wayStay on top on school work if you want to pass the examsStay under the umbrella so you won't get wet等等
老不明白，待在家里到底是“stay at home”还是“stay home”呢
