n.any sluggish bottom-dwelling ray of the order Torpediniformes having a rounded body and electric organs on each side of the head capable of emitting strong electric discharges
同义词：electric raycrampfishtorpedo
英汉双解大词典
numbfish/ˈnʌmˌfɪʃ/
1.
N（名词）
any of several electric rays, such as Narcine tasmaniensis (Australian numbfish) 电鳗