riverlyadj.河的;河流的;河边的
rivern.河;江;河流;水道
river water pollution河流水污染
river-bed evolution河床变迁
river crossing tunnel过江隧道
River Patrol Flotilla江河巡逻纵队
river cross-section河流断面
river bottom sediment河底沉积
River Forecast Center河流预报中心
river bank filtration河床渗滤
river cascade project河道梯级工程
river surface profile河流水面线