首頁›Browse›T›tonal systemtonal system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tonal systemtonal system — 名詞名詞1. a system in which pitch changes affect word meaning1.名詞釋義聲調系統a system in which pitch changes affect word meaning例句Mandarin Chinese has a tonal system with four main tones.