Producing /θ/1) Place the tip of the tongue close to the upper teeth;2) Hold the lips slightly open;3) Breathe out the air through the narrow passage,makinga voiceless continuant;4) Do not vibrate the vocal folds.Producing /&240;/1) This sound is produced......（本文共 6968 字, 2 張圖）     [閱讀本文] >>