gray.lingn.（名词）【复数】 grayling 或 gray.lings Any of several freshwater food and game fishes of the genusThymallus of the Northern Hemisphere, having a small mouth and large dorsal fin. 茴鱼：北半球的几种茴鱼属 的几种供食用钓捕用的淡水鱼类中任何一种，有小嘴和大背鳍
