melena的音标：melena的英式发音音标为：[mə'li:nə]melena的美式发音音标为：[mə'linə]...

n.黑粪症...

There are also some patients with cirrhosis showed a number of complications, such as melena, hematemesis.也有部分患者表现为肝硬化的一些并发症, 如黑便 、 呕血....