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Jyutping zou2 on1
Pinyin zǔ àn

Definitions (CC-CEDICT)
  1. histamine (a biogenic amine involved in local immune responses)
Definitions (Wiktionary)
  1. noun
    histamine
    (syn.) 组织胺, 組織胺
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)