单词	metronome
释义	metronomemetronome /ˈmɛtrəˌnoʊm/ noun [countable] Etymology ETYMOLOGYmetronome Origin: 1800-1900 Greek metron ( ➔ -METER) + -nomos controlling (from nomos law) eng. lang. arts a piece of equipment that shows the speed at which music should be played, by making a short repeated sound
随便看	RIP rip riparian ripcord rip current ripe ripen ripeness rip-off riposte ripped ripple rip-roaring rise riser risibility risible rising risk risk assessment riskily riskiness risk management risk-taker risk-taking

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