zhōnggǔhànyǔ / de / yánjiū / yǒuzhùyú / lǐjiě / xiàndàihànyǔ / de / yǔyīn / yǎnbiàn

中古汉语的研究有助于理解现代汉语的语音演变。

The study of Middle Chinese helps to understand the phonological evolution of Modern Chinese.