xiǎn / wēi / jìng / xià / kě / yǐ / kàn / dào / jūn / jiāo / tuán / yóu / xǔ / duō / xì / jūn / hé / bāo / wài / jù / hé / wù / zǔ / chéng显微镜下可以看到,菌胶团由许多细菌和胞外聚合物组成。Under a microscope, zoogloea can be seen to consist of many bacteria and extracellular polymers.