| 释义 |
jaw gradation jaw gra·da·tion (jaw grā-dā'shŭn) Controlled vertical mandibular movement during vocalization as a function of length, depth, and amount of muscular contraction. jaw gra·da·tion (jaw grā-dā'shŭn) Controlled vertical mandibular movement during vocalization as a function of length, depth, and amount of muscular contraction. |