exolabial

别名

exo-labial

释义与例句

adj.
  1. 1.

    Of a form of vowel rounding, in which the corners of the mouth are drawn slightly together and the lips may be compressed horizontally, but the lips do not protrude and only their outer surface is exposed.

    语言学

词源

From exo- + labial.

来源：wiktionary