labialized velar圆唇舌根音
labialized vowel圆唇元音
non-labialized非圆唇的
medial labialized spirant中唇音化摩擦音
semi-labialized半圆唇音
V（动词） to pronounce with articulation involving rounded lips, such as for () before a close back vowel () as in English cool 用唇发音 [phonetics]