doubleendadj.双端的(两端引出式)doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份Double a cape.绕着岬角航行double-diffuse复漫射double wing spar双翼梁double annealing两次退火double splitting二重分裂double-bookingn.重复预定double line rail双线Double pterygium双翼状胬肉double arthrodia[医] 微动关节double row piles双排桩