Unicode 5.2
Character
Pinyin AO3 NIU4 Jyutping aau2 aau3
Cihai, Zhonghua Bookstore, 1983 565.304

Unicode 12.1
Character
Pinyin ǎo Jyutping aau2 aau3
Cihai, Zhonghua Bookstore, 1983 565.304

Records 1 - 2 of 2 retrieved in 33 ms