基本解释[医药科学]膜菌群英汉例句双语例句Objective To investigate the relationship between the abundance and density of the normal flora in the mucous membrane of posterior pharyngeal wall and pharyngitis.目的探讨呼吸道粘膜微生物种群丰度和密度的变化与咽炎的病理学关系。membrane flora更多例句专业释义医药科学膜菌群