tetraphthong
四合元音
发音
US
词形变化
tetraphthongs
复数
tetraphthongs
释义与例句
n.
-
1.
A monosyllabic vowel combination consisting of two diphthongs, or a semivowel followed by a triphthong.
Gottscheerish has four tetraphthongs: /i̯oai/, /i̯oːai/, /i̯uai/, and /i̯uːai/.