noun 다운로드 🔗공유 반향 정위 The use of echoes to detect objects as observed in bats and other natural creatures. Also known as biosonar. Examples : "The bat uses echolocation to find insects in the dark. " 박쥐는 어둠 속에서 곤충을 찾기 위해 반향 정위를 사용한다. sound animal biology nature science physiology organism environment AI와 채팅어휘 게임독해 연습