Xǔduō / gǔjí / zhōng / de / yǔyīn / xiànxiàng / kěyǐ / yòng / Zhōnggǔ Hànyǔ / lái / jiěshì

许多古籍中的语音现象可以用中古汉语来解释。

Many phonological features in ancient texts can be explained using Middle Chinese.