单词 polypomedusan 释义 polypomedusan, a. and n. Zool.|plpmdjusn|[f. mod. Zool. L. Polypomeds pl. (f. polypo-, comb. form of polypus polyp + Medusa) + -an.]a. adj. Belonging to the Polypomedus, a group of Clenterata comprising the Hydrozoa and Actinozoa....