closedadj.关闭的；封闭的；停业的动词close的过去式和过去分词.closed withv.靠近(接受)closed slot闭合槽closed fold闭合褶closed loop闭环closed line闭锁系,闭合线closed lake内陆湖closed ring闭环closed mold闭式压模closed stub闭合短线closed form闭型