单词 polypterid 释义 polypterid Ichthyol.|plptrd|[f. mod.L. Polypterus (Geoffroy 1802), generic name, a. Gr. many-winged (f. -, poly- + feather, wing) + -id3.]A fish of the family Polypterid of crossopterygian ganoids, having the dorsal fin replaced by...