细菌群 xìjūnqún bacterial community Origin Definitions Defs Strokes Stroke Words Sentences Sents 细菌 細菌 xìjūn noun bacteria germ; bacterium; microscopic single-celled organisms that exist in a variety of environments, some of which cause disease while others are beneficial群 qún nounmeasure word group group; crowd; flock; herd; pack; swarm; used for a collection of people, animals, or objects