noun🔗Share하루살이Any of the many fragile insects of the order Ephemeroptera that develop in fresh water and live very briefly as winged adults."Along the riverbank, we saw hundreds of mayflies swarming, their brief adult lives already nearing their end. "강둑을 따라, 우리는 수백 마리의 하루살이가 떼를 지어 다니는 것을 보았고, 그들의 짧은 성충의 삶은 이미 끝을 향해 가고 있었다.insectanimalbiologynatureecologyChat with AIVocabulary GamePractice Reading