知識貝殼
知識貝殼
所屬欄目：英語語音
Producing /&331;/1) Raise the back of the tongue against the soft palateto stop the air behind the closure;2) Lower the soft palate so that the air can escapethrough the nose cavity;3) Vibrate the vocal folds;4) The lip position will depend upon that of t ......（本文共 3090 字 , 1 張圖） [閱讀本文] >>