知識(shí)貝殼
知識(shí)貝殼
所屬欄目：英語語音
Producing /&643;/1) Raise the soft palate to stop the air escapingthrough the nasal cavity;2) Protrude the lips slightly;3) Place the tip of the tongue near the lower teeth andraise the front part of the tongue toward the hard palate;4) Press the sides of ......（本文共 7003 字 , 2 張圖） [閱讀本文] >>