fleuves

In a sentence

• Les fleuves jouent un rôle crucial dans le transport des marchandises.

  Rivers play a crucial role in the transport of goods.

  Here the word 'fleuves' is used to denote major rivers as natural entities contributing to transportation.

• La France est un pays riche en fleuves importants, comme la Seine et le Rhône.

  France is a country rich in major rivers, like the Seine and the Rhône.

  'Fleuves' in this instance refers to the prominent major rivers in France, highlighting the geographical richness.

• Le cycle de l'eau permet l'existence des fleuves et des rivières.

  The water cycle enables the existence of rivers and streams.

  Here 'fleuves' implies the existence of major rivers as part of the natural water cycle, paired with 'rivières' for smaller streams.