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Jyutping kwong4 ngau4 zing3
Pinyin kuáng niú zhèng

Definitions (Wiktionary)
  1. noun, Taiwan
    mad cow disease
    (syn.) 瘋牛症, 疯牛病, 狂牛病, 瘋牛病, 疯牛症
Definitions (兩岸三地生活差異詞語彙編—Two Shores Three Places)
  1. 疾病症狀:臺
    牛海綿樣腦症、狂牛症
  2. 疾病症狀:陸
    牛腦海綿狀病、瘋牛病