相关单词近義詞 alluvial plain 沖積平原, 沉積平原...臨近詞alluvial, alluvial garden soil, alluvial plain soils, alluvial groundwater, alluvial ore deposit, alluvial plain coast, alluvial tin dredging, alluvial sand ripples, alluvial layer filter, alluvial ground water, alluvial fan shoreline 返回 alluvial flat