double asv.兼饰两角doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double trigger双扳机double-bevel双斜式double filters双筒过滤器double cushion双层垫,双层褥double-inlet双向进气double forceps双头镊(制培养基用)double suicide情死double pumping双重泵浦double tension双张紧double nickelsn.数字55

1. Typically, the bulkier but more secure double knot is used over the majority of the wig and the less obvious single knot at the edges and parting areas.
   通常，假发的大部份都使用双结，只在边缘和部分位置使用不明显的单结。