知識(shí)貝殼
知識(shí)貝殼
所屬欄目：英語語音
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] >>