Triphthong English vowels which combine segments of more than two pure vowels are rarely found. But in Thai, there are three triphthongs which normally prevail in our sound system. [I ́u] as in เคียว [μ ́I] as in เลื่อย [u ́I] as in ถ้วย
TriphthongEnglish vowels which combine segments of more than two pure vowels are rarely found. But in Thai, there are three triphthongs which normally prevail in our sound system.[I ́u] as in เคียว [μ ́I] as in เลื่อย [u ́I] as in ถ้วย