What is the meaning of āo?

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Hanyu Pinyin reading of

Source: wiktionary.org