学校乐队需要更多的打击乐器，比如铃鼓和三角铁。
The school band needs more ___percussion, like tambourines and triangles.
他用手掌在桌上敲击出有节奏的声音。
He produced rhythmic sounds by ___percussion on the table with his palms.
锤子敲击金属的撞击声在车间里回荡。
The ___percussion of the hammer hitting metal echoed through the workshop.
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