Read Edit View history 蝣 yóu mayfly (Ephemera strigata) Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 蝣 yóu mayfly used in 蜉蝣 fúyóu 蜉蝣的生命周期非常短暂。 Edit Delete References Add reference No references for this word.