氫氰酸 [氢－－]

Jyutping hing1 cing1 syun1
Pinyin qīng qīng suān

Definitions (Wiktionary)
  1. noun
    hydrocyanic acid

氫氰酸 [氢－－]

Jyutping hing1 cing1 syun1
Pinyin qīng qíng suān

Definitions (Wiktionary)
  1. noun
    hydrocyanic acid