详细解释:n. 小玩意, 小装置, 窍门
词型变化：
名词复数:doohickeys英语解释：
名词 doohickey:
something unspecified whose name is either forgotten or not known同义词：doodad, doojigger, gimmick, gizmo, gismo, gubbins, thingamabob, thingumabob, thingmabob, thingamajig, thingumajig, thingmajig, thingummy, whatchamacallit, whatchamacallum, whatsis, widget