noun 다운로드 🔗공유 반딧불이 Any beetle of the family Lampyridae, which exhibit bioluminescence during twilight. Examples : "Sentence: "On warm summer evenings, we watched the fireflies blink their lights in the backyard." " 따뜻한 여름 저녁에 우리는 뒷마당에서 반딧불이가 불빛을 깜빡이는 것을 보았다. insect animal nature biology organism environment AI와 채팅어휘 게임독해 연습