green drake
noun
1- Brit. the green subadult of certain mayflies〈英〉绿蜉蝣。
1.1
- Genus Ephemera, family Ephemeridae.蜉蝣属, 蜉蝣科。
1.2
- an artificial fishing fly that imitates this模仿绿蜉蝣的假鱼饵。