doubledadj.两倍的；快步走的；加倍努力的动词double的过去式和过去分词形式.doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double wide双宽度,两家一幢流动住宅的double glow双辉double pump双连泵double cake叠层大蛋糕double bell双铃double bath双槽double flap双皮瓣double bunk双层床doubleendedn.两端引出式double nose双塔轮式前端