Others expect children to invent techniques that civilization took eons to evolve.

It's a slow, steady process, taking eons to run its course.

All this might have taken eons; it might have happened in the blink of an eye; I cannot say.

Animals and plants will perish by the millions, as intricate communities that took eons to evolve are destroyed in a day.

The stones moved, but that movement took eons.

It took the worm a considerable effort and eons of time (nearly a quarter of a second!)

The two of You loving outside the constraints of existence, taking eons to learn and love one another's infinite depths ?

It might take eons longer, but Skrymir would return the world to another time, a darker age.

They're taking eons (a Greek word, you will note ironically) over this throw-in).