The basic principle of the IPA is using a different letter for each distinguishable speech sound.
His speech sounds hollow.
This paper also hopes to offer some authentic language data to help people of other nationalities or other cultures to get to know Buyi language, especially its speech sound system.
One begins a foreign language by learning the speech sounds.
A complex speech sound or glide that begins with one vowel and gradually changes to another vowel within the same syllable, as(oi) in boil or(? in fine.
Babies heard background speech sounds in one language, and then a contrasting sound in the other language occurred occasionally.