形容词 double-faced:

1. (of fabrics) having faces on both sides

2. marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another- Israel Zangwill- W.M.Thackeray

double-Ov.细看；巡视n.细看；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-flow-passage双流道double layer grid truss双层网架double green directives双绿指令Double-edge technique双边缘技术double ellipsoidal tank双椭圆形水箱double stage compressor双级压气机,两级压缩机,二级空气压缩机,二级压缩机double-sealed bearing两面带油封的滚动轴承double blind experiment双盲实验double tier net machine双层式窗帘花边织机double rack type pusher双齿条式推钢机