tuning peg
noun [ C ] uk/ˈtjuː.nɪŋ ˌpeɡ/ us/ˈtuː.nɪŋ ˌpeɡ/ (also tuning pin)
调音弦轴
a short wooden or metal stick with a flat, rounded end that is turned to make the strings on a musical instrument tighter or looser
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