TherearethreelevelsofEnglishpronunciation： Level1：Peop...
問題詳情：TherearethreelevelsofEnglishpronunciation： Level1：Peopleoftendon’tunderstandwhatyouwanttosay，becauseyouusethewrongsounds．Level2：Peopleunderstandwhatyouwanttosay，butitisunpleasanttolistento.Level3：P...