Sino-vietnamese phonology system keeping up the middle ancient Chinese phonology.Sino-vietnamese phonology initial consonant and middle ancient Chinese phonetic initial consonant system .是什么意思_Sino-vietnamese phonology system keeping up the middle ancient Chinese phonology.Sino-vietnamese phonology initial consonant and middle ancient Chinese phonetic initial consonant system .在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句