19.2 The Levels of Stress
基礎(chǔ)科學(xué)

        The breath in articulation may be of various degrees of strength. It may be very strong,less strong,weak,very weak,etc. For phonetic purposes,however,it is sufficient to distinguish three principal degrees:1) Primary Stress - the strongest degree of stres......（本文共 1047 字）     [閱讀本文] >>