Assertion: vowel's sound | /r/CapableOf | draw toward the back of the mouth
Facets:
Source sentences:
text: one must first note that vowels are articulated in particular parts of the mouth; we make the sound in Modern English "deep" [/dip/] with our tongue forward and high in the mouthr, and the sound in Modern English "boat" [/bot/] with our tongue lowered and drawn toward the back of the mouth and the jaw relatively low (open).