doubleovt.细看n.巡视doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double queue二重排队double dense双密度Double Spans双联跨double probe双联探头double modul双模double speed双速double ghost重影double royal双王裁double motor双电动机doubleheadern.双车头列车(双机车牵引的列车)