noun 下载 🔗分享 微生物,细菌。 An organism that is too small to be seen by the unaided eye, especially a single-celled organism, such as a bacterium. Examples : "The cud is then reswallowed and further digested by specialized microorganisms that live in the rumen." 反刍物会被再次吞咽,并且在瘤胃中由专门的微生物进行进一步消化。 organism biology microorganism science 与AI对话词汇游戏阅读练习