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percussion

英/pəkˈʌʃən/
美/pɝˈkəʃən/
01n.

敲打, 碰撞, 叩击, 叩诊, 击发, 打击, 打击乐器组

the act of playing a percussion instrument; the act of exploding a percussion cap; tapping a part of the body for diagnostic purposes