zài / xiǎnwēijìng / xià / kěyǐ / guānchá / dào / biānmáogāng / shēngwù / de / biānmáo / jiégòu在显微镜下,可以观察到鞭毛纲生物的鞭毛结构。Under a microscope, the flagellar structure of flagellate organisms can be observed.