noun 下载 🔗分享 冲积土， alluvial deposit 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. " 河流附近的肥沃农田由几个世纪以来沉积下来的肥沃冲积土构成。 geology environment geography agriculture material 与AI对话词汇游戏阅读练习
