doublesex双性doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double busbars双母线Double-chain双链型doublehandlingn.两次转运double scraper双锋石刮器double stratum双层double blossom花变形病double forward双管正激double-stageadj.二级的double-color双色double turnout复式道岔,三开道岔