释义
n.
a device that vibrates or causes vibration, in particular
震动装置；震动器，尤指：
a device used for massage or sexual stimulation
振动按摩器；振动刺激性欲器。
a device for compacting concrete before it has set
（混凝土）振捣器。
【乐】 （簧风琴的）簧片。