a percussion instrument similar to a xylophone but having metal bars and rotating disks in the resonators that produce a vibrato sound
例句
Hampton said his first try at the vibraharp made a lasting impression on the band's frontman, trumpeter Louis"Satchmo"Armstrong. 汉普顿说,他首次试奏电颤琴就给乐队的领奏者、小号手路易斯·阿姆斯特朗（Satchmo,SatchelMacth）留下了永久的印象。
