Spanish-English translations for afluente

tributaryWhat has happened over the past few days with the pollution of the Danube and its tributary has been instructive. Señor Presidente, un ejemplo es la contaminación del Danubio y, antes, de su afluente hace unos días. The Ohio has many tributary streams, and is itself tributary to the Mississippi.
affluent
us
They were affluent, but aspired to true wealth.