míngchèn: pīn yīn de fā zhǎn shǐ History of the alphabet xiàngguāncítiáo: pīn yīn : pīn yīn de fā zhǎn shǐ Phonetic history of the development zīliàoláiyuán: http://www.61shaoer.com/ túpiànmiáoshù: 　　 pīn yīn de yóu lái -- qīng dǎo yù xīng wéi qí jù lè bù | qīng dǎo wéi qí | shǎo 'ér wéi qí | qīng dǎo shǎo 'ér wéi qí | qīng dǎo biān ji běn duàn pīn yīn de fā zhǎn shǐ dì / 13 túpiàn               huàndēngpiàn

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