a myriapod invertebrate with an elongated body composed of many segments, most of which bear two pairs of legs. Most kinds are herbivorous and shun light, living in the soil or under stones and logs 千足虫
Class Diplopoda: several orders 倍足纲: 数目
语源
early 17th cent.: from Latin millepeda 'woodlouse', from mille 'thousand' + pes, ped- 'foot'