词典释义：
n.共餐者；同桌者;
adj.偏利共生的；偏利共栖的;共餐的；同桌的;
Nosocomial infections by Staphylococcus epidermidis: how a commensal bacterium turns into a pathogen.
表皮葡萄球菌引起的医院感染：共生菌怎么会变成致病菌？
Objective To study effects of diphacine na - salt and bromadiolone commensal rodent in Guangxi plague area.
目的研究敌鼠钠盐和溴敌隆在广西家鼠鼠疫疫源地的灭鼠效果.
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