metronome

US /ˈmet.rə.noʊm/
UK /ˈmet.rə.noʊm/
"metronome" picture
1.

节拍器

a device used by musicians that marks time at a selected rate by giving a regular tick

:
The pianist used a metronome to keep a steady tempo.
钢琴家使用节拍器来保持稳定的节奏。
Set the metronome to 120 beats per minute.
节拍器设置为每分钟120拍。