首頁›Browse›D›diphthongdiphthong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diphthongdiphthong — 名詞名詞1. a sound formed by two vowels in one syllable1.名詞釋義雙母音a sound formed by two vowels in one syllable例句The word 'coin' contains the diphthong /ɔɪ/.