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Jyutping lau4 syun1 on1
Pinyin liú suān ān

Definitions (Wiktionary)
  1. noun
    ammonium sulfate

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Jyutping lau4 syun1 on1
Pinyin liú suān ǎn

Definitions (CC-CEDICT)
  1. ammonium sulfate
Definitions (Wiktionary)
  1. noun
    ammonium sulfate