noun 다운로드 🔗공유 자갈, 조약돌 A rounded stone from a river bed, fit for use as ballast in ships and for paving roads. Examples : "The old road was paved with smooth cobblestones, making it bumpy but charming. " 오래된 도로는 매끄러운 조약돌로 포장되어 울퉁불퉁했지만 매력적이었습니다. material geology architecture nautical building AI와 채팅어휘 게임독해 연습
noun 다운로드 🔗공유 자갈 The material made from cobblestones. Examples : "The path to school was paved with cobblestone, a hard, gray material. " 학교로 가는 길은 단단하고 회색인 자갈로 포장되어 있었다. material building AI와 채팅어휘 게임독해 연습
