noun 다운로드 🔗공유 충적토, 퇴적물 Soil, clay, silt or gravel deposited by flowing water, as it slows, in a river bed, delta, estuary or flood plain Examples : "The fertile farmland near the river is made up of rich alluvium deposited over centuries. " 강 근처의 비옥한 농지는 수 세기에 걸쳐 퇴적된 풍부한 충적토로 이루어져 있다. geology environment geography agriculture material AI와 채팅어휘 게임독해 연습