triphthong
noun [ C ] phonetics specialized uk/ˈtrɪf.θɒŋ/ /ˈtrɪp.θɒŋ/ us/ˈtrɪf.θɑːŋ/ /ˈtrɪp.θɑːŋ/
三重元音
a vowel sound in which the tongue changes position to produce the sound of three vowels
Compare: diphthongmonophthong
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。