doubledyevt.染两次doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double acceptor双重受主double line pen画双线笔double-striken.双击；双击打double-nickeln.时速每小时55英里(1973年规定的全国公路时速限制)double-bubbleadj.双气泡形的double delivery重复投送doubles contest双打比赛double weighing交换称量法double row pile双排桩double cut plow双层犁