Re: THEORY: NATLANGS: Phonology and Phonetics: Tetraphthongs, Triphthongs, Diphthongs

Well, I do not know if they teach us the correct information, but along
Middle School in Brazil they say words like Paraguai e Uruguai are
triphtongs. But "u" is like /w/ (a semivowel).

Antonielly Garcia Rodrigues