river
n[C]
1 large natural stream ofwater flowing in a channel 河; 江; 水道
the River Thames泰晤士河
the Mississippi River 密西西比河
[attrib 作定语]
the river mouth 河口
river traffic 内河航运. Cf 参看 canal 1.
2 any large flow of similar form 巨流: a river of lava 熔岩流
(fig rhet 比喻, 修辞) rivers of blood, ie great bloodshed in war, etc 血流成河.
3 (idm 习语) sell sb down the river => sell.