noun🔗Share蛍Any beetle of the family Lampyridae, which exhibit bioluminescence during twilight."Sentence: "On warm summer evenings, we watched the fireflies blink their lights in the backyard." "暖かい夏の夕方には、裏庭で蛍が光を点滅させているのを眺めました。insectanimalnaturebiologyorganismenvironmentChat with AIVocabulary GamePractice Reading