yǔ yīn xué jiā / bǎ / jiè yú / shēng mǔ / hé / yùn fù / zhī jiān / de / yuán yīn / chēng wéi / zhōng jiān yīn

语音学家把介于声母和韵腹之间的元音称为中间音。

Phoneticians call the vowel between the initial consonant and the final nucleus a medial.