先给你讲一下serve的用法 意思：1.为···服务（及物动词）,serve the people（为人民服务） 2.提供（及物动词）,serve the lunch（提供午饭） 3.作为···起作用（不及物动词）,The example serves to explain the point.4.够···吃（及物动词)The dish serves six people.这道菜够6个人吃.5.服刑,服役（不及物动词） He has served in the army for 3 years.serve的名词是service.有关serve（service）的短语：1：serve as 充当 The sofa can serve as a bed.2：serve time 坐牢 3：serve sth out 把···做到期满