triph·thongBrE /ˈtrɪfθɒŋ/ 🔊NAmE /ˈtrɪfθɔːŋ/ 🔊BrE /ˈtrɪpθɒŋ/ 🔊NAmE /ˈtrɪpθɔːŋ/ 🔊 noun (phonetics 语音学) a combination of three vowel sounds or vowel letters, for example the sounds /aɪə/ in fire /ˈfaɪə(r)/ 三合元音；三元音；三母音 ➡ compare diphthong, monophthong ▸ triph·thong·al BrE /trɪfˈθɒŋɡl/ 🔊NAmE /trɪfˈθɔːŋɡl/ 🔊, /trɪfˈθɑːŋɡl/ 🔊BrE /trɪpˈθɒŋɡl/ 🔊NAmE /trɪpˈθɔːŋɡl/ 🔊, /trɪpˈθɑːŋɡl/ 🔊 adjective