microbe

1. N-COUNT A microbe is a very small, living thing, which you can only see if you use a microscope. 微生物

...a type of bacteria that include the microbes responsible for tuberculosis and leprosy. …包括引起結(jié)核病和麻風(fēng)病的微生物在內(nèi)的一類細(xì)菌。