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Jyutping wong4 seoi2
Pinyin wāng shuǐ

Definitions (Wiktionary)
  1. noun
    aqua regia

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Jyutping wong4 seoi2
Pinyin wáng shuǐ

Definitions (CC-CEDICT)
  1. Aqua regia
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)