On the other hand, in some regions of the US caught and cot are distinct in pronunciation (typically with a rounded vowel in the first and an unrounded vowel in the second).
Front and central vowels and back low vowels are normally pronounced with the lips unrounded .
In the Russian transliteration, the vowel y is a high back unrounded vowel (not found in English); it's not like English y.
The resulting vowel is sometimes lightly rounded but more often unrounded , like the stressed vowel of father.
The /u/ of blue, room has a front, lowered realization, sometimes unrounded .
The inside upper edge should be left unrounded , so as to prevent the staves from splintering when adzing the barrel.
The o-sound of go, note, soap begins with a rounded vowel, while the o-sound in not is unrounded .
For example, the sharp sides defining the bottom surfaces may be left unrounded .