知識貝殼
知識貝殼
所屬欄目：英語語音
Producing /m/1) Close the lips to stop the air stream in the mouth;2) Lower the soft palate so that the air can escapethrough the nasal cavity;3) Vibrate the vocal folds as the air comes out of the nose;4) The lip position will depend upon that of adjacen ......（本文共 2218 字 , 1 張圖） [閱讀本文] >>