Written by Chen Li, Phonetics, the pronunciation teaching material, has come down in Canton since 19th century. It talks about some problems between Cantonese and Northern dialects.是什么意思_Written by Chen Li, Phonetics, the pronunciation teaching material, has come down in Canton since 19th century. It talks about some problems between Cantonese and Northern dialects.在線翻譯_英語_讀音_用法_例句