threadfin / ˈθrɛdˌfɪn /

🎓大学词汇螺纹鱼线鱼线鳍鱼螺纹鱼丸

threadfin 的定义

n. 名词 noun
  1. any spiny-rayed fishes of the family Polynemidae, having the lower part of the pectoral fin composed of numerous, separate, filamentous rays.