Assertion: diphthong | /r/HasProperty | pronounced like the exclamation
Facets:
Source sentences:
text: The first vowel sound in "Caesar," ae is a diphthong pronounced like "eye"; au, a diphthong pronounced like the exclamation "Ow!"; oe, a diphthong pronounced like the English diphthong oi, as in "hoity-toity".