首頁›Browse›S›sustain pedalsustain pedal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sustain pedalsustain pedal — 名詞名詞1. a pedal on a piano that sustains the sound1.名詞釋義延音踏板a pedal on a piano that sustains the sound例句Press the sustain pedal to make the notes ring longer.