n.黑变病，黑素沉着病...

melanosis的复数形式为：melanoses...

melanosis的音标：melanosis的英式发音音标为：[ˌmelə'nəʊsɪs]melanosis的美式发音音标为：['melə'noʊsɪs]...

Objective To investigate the riskfactorsfor development of melanosis coli.目的:探讨结肠黑变病的相关致病因素....