gǔ / yīn / yán / jiū / yǒu / zhù / yú / wǒ / men / lǐng / jiě / hàn / zì / dú / yīn / de / biàn / huà

古音研究有助于我们理解汉字读音的变化。

The study of ancient pronunciations helps us understand how Chinese character readings have changed.