noun🔗ShareEfeméridosAny of the many fragile insects of the order Ephemeroptera that develop in fresh water and live very briefly as winged adults."Example Sentence: "Near the river, swarms of mayflies appeared and died within a few hours, their brief adult lives already over." "Cerca del río, enjambres de efeméridos aparecieron y murieron en pocas horas, sus breves vidas adultas ya habían terminado.insectanimalnaturebiologyecologyChat with AIVocabulary GamePractice Reading
