staying healthy为何不是staying healthily

问题描述:

staying healthy为何不是staying healthily

请看:health是名词,健康,比如An apple a day can give you good health.healthy是形容词,健康的,比如An apple a day can keep you healthy.healthily是副词,健康地.stay后跟形容词,是处于某种状态中的含义.stay后不...