noun 다운로드 🔗공유 뒷날개 (in an insect with two pairs of wings) Either member of the pair of wings closer to the tail. Examples : "The butterfly opened its wings, revealing the smaller hindwings tucked behind the larger forewings. " 나비는 날개를 펼쳐 더 큰 앞날개 뒤에 숨겨진 더 작은 뒷날개를 드러냈다. organism animal insect biology anatomy part AI와 채팅어휘 게임독해 연습