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Jyutping taan3 on1
Pinyin tà nān

Definitions (Wiktionary)
  1. noun
    ammonium carbonate
    (syn.) 碳酸銨, 碳酸铵

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Jyutping taan3 on1
Pinyin tà nǎn

Definitions (Wiktionary)
  1. noun
    ammonium carbonate
    (syn.) 碳酸銨, 碳酸铵