基本解释马齿苋醛同根派生 portulal相关词英汉例句Reduction of Blood Ammonemia in Portul Systemic Encephalopathy by Reteniton-enema with Lactulose Coalesce Plus Loxacin 乳果糖联合氧氟沙星保留灌肠降低肝性脑病血氨效果观察portulal更多例句