短語詞組短語bovine e spongiform encephalopathy 狂牛病BSE bovine spongiform encephalopathy 牛海緜狀腦病bovine spongiform encephalopathy bse 牛海緜樣腦病Bovine spongiform encephalopathy prion 牛海緜狀腦病朊病毒bovine spongiform encephalopathy agents 牛海緜狀腦病病毒原 返回 bovine spongiform encephalopathy