单词heart sac
un.: 心包；心囊
心囊
心包
In young growing pigs meningitis or middle ear infections are common together with pneumonia, heart sac infection, peritonitis and pleurisy.
在青年生长猪当中，普遍表现为肺炎、心包炎、腹膜炎、胸膜炎并伴有脑膜炎或中耳感染。