ranidyoudaoicibaDictYouDict[ranid 词源字典]
"A frog of the large family Ranidae, which comprises typical frogs with long hind legs that are used for both leaping and swimming", Late 19th cent.; earliest use found in Proceedings of the Zoological Society of London. From scientific Latin Rana, genus name ( Linnaeus Systema Naturae (ed. 10, 1758) I. 210; from classical Latin rāna frog, perhaps of imitative origin) + -id, after scientific Latin Ranidae, family name.[ranid etymology, ranid origin, 英语词源]