疯牛病 Traditional 瘋牛病 fēng niú bìng 🔊 mad cow disease (bovine spongiform… + Keep this word Meanings fēng niú bìng 瘋牛病 mad cow disease (bovine spongiform encephalopathy) Its characters 疯fēnginsaneHSK 7–9牛niúoxHSK 3病bìngillnessHSK 1