同义词
1)river terrace,河成阶地2)fluvial terrace,河成阶地3)fluvial terrace,river terrace,stream terrace,河成阶地<地>4)river terrace soil,河成阶地土5)fluviatile,potamogenic,河成的<地>6)furiotile lake,riverine lake,河成湖7)fluvial terrace,河成价地8)river plain,河成平原9)fluviatile deposit,河成沉积10)alluvial sand ripples,河成砂纹
