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sliding weight /ˈslaɪdɪŋ ˈweɪt/ n

中文：滑动秤砣

中文 · 滑动秤砣Español · pesa corredizaFrançais · curseur
Meaning：Adjustable weight that is moved along the pendulum bar to regulate the frequency of the beats.
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Found in these illustrated scenes（3）

Metronome Metronome Steelyard balance

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