粤语部份以耶鲁系统拼音。

Cantonese part is romanized by Yale.

youdao

现在被大家所熟知的拼音系统整整耗费了周和他的同事三年的时间，该系统在1958年推广至各个学校。

It took Zhou and his colleagues three years to come up with the system now known as Pinyin, which was introduced in schools in 1958.

youdao

现在被大家所熟知的拼音系统整整耗费了周和他的同事三年的时间，该系统在1958年推广至各个学校。

It took Zhou and his colleagues three years to come up with the system now known as Pinyin which was introduced in schools in 1958.

youdao