noun 다운로드 🔗공유 킬로미터 (official BIPM spelling, Australian, New Zealand, Irish, Indian and South African spelling) An SI unit of length equal to 103 metres. Symbol: km Examples : "The marathon is a race of just over 42 kilometres. " 마라톤은 42킬로미터가 조금 넘는 경주입니다. unit math science technical geography AI와 채팅어휘 게임독해 연습