氰化氫 [－－氢]

Jyutping cing1 faa3 hing1
Pinyin qīng huà qīng

Definitions (Wiktionary)
  1. noun
    hydrogen cyanide

氰化氫 [－－氢]

Jyutping cing1 faa3 hing1
Pinyin qíng huà qīng

Definitions (Wiktionary)
  1. noun
    hydrogen cyanide