[--]

Jyutping cing4 faa3
Pinyin qīng huà

Definitions (Wiktionary)
  1. noun
    cyanidation; cyanation

[--]

Jyutping cing4 faa3
Pinyin qíng huà

Definitions (Wiktionary)
  1. noun
    cyanidation; cyanation