首頁›Browse›M›machine headmachine head編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看machine headmachine head — 名詞名詞1. a small, usually metal device used to tune stringed instruments1.名詞釋義弦鈕a small, usually metal device used to tune stringed instruments例句He turned the machine head to tighten the guitar string.