vibrator

名词 vibrator:

1. a mechanical device that vibrates
2. mechanical device that produces vibratory motion; used for massage

vi.bra.tor

n.（名词）
Something that vibrates.
振动者：振动的东西
An electrically operated device used for massage.
振动：用来传信的电动设备
An electrical device consisting basically of a vibrating conductor interrupting a current.
振动器：主要包含一种能打断电流的振动导体的电动设备