释义
n. 细菌
例句
1. Movement of an organism, especially a bacterium, toward or away from air or oxygen. 趋氧性有机体，特别是细菌移向或离开空气或氧气的运动 2. An organism, such as a bacterium, requiring oxygen to live. 好氧菌需要氧气生存的有机体，例如细菌
