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Jyutping zyun1 mun4 seot6 jyu5
Pinyin zhuān mén shù yǔ

Definitions (Wiktionary)
  1. noun
    technical term; jargon; nomenclature
    (syn.) 專有名詞, 用語, 术语, 用语, 专有名词, 術語, 行話, 行话