doo·hick·ey /ˈduˌhɪki/
小玩意,裝置,竅門
doohickey
n : something whose name is either forgotten or not known [syn:
dohickey, dojigger, doodad, gimmick, hickey, gizmo,
gismo, gubbins, thingamabob, thingumabob, thingmabob,
thingamajig, thingumajig, thingmajig, thingummy]