In this three elements, that I learn what to have arrived at is cavum nasi back vowel the tone , the court continue the tone , tongue sidetone , front vowel , middle vowel
在这三单元中,我学到了什么是鼻腔音,廷续音,舌侧音,前元音,中元音,后元音.这句话用英语怎么说,有谁知道,谢谢————
In this three elements, that I learn what to have arrived at is cavum nasi back vowel the tone , the court continue the tone , tongue sidetone , front vowel , middle vowel