基本解释聚居植物群 常居菌丛英汉例句双语例句During the evolution of the human body, there are over 400 resident flora (normal flora) in our bowels.在人体演化过程中，肠道内菌丛林立，常驻扎的菌种超过四百种。resident flora更多例句词组短语短语resident skin flora 常居菌resident flora更多词组专业释义医药科学常居细菌群