noun🔗ShareПодёнкиAny 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." "Возле реки появились рои подёнок и погибли в течение нескольких часов, их короткая взрослая жизнь уже закончилась.insectanimalnaturebiologyecologyChat with AIVocabulary GamePractice Reading