The juveniles remain in shallower waters, gradually migrating to greater depths with age.

The working lines will now become curved, gradually migrating towards surge as flight Mach number decreases.

It gradually migrated outwards under the pull of Saturn.

Plants originated in water, from where they gradually migrated to land during their long course of evolution.

Then users can either take it or leave it, and will gradually migrate, often unwittingly.

Over the following year, earthquakes continued, their hypocentres gradually migrating towards the summit.

The community gradually migrated to Israel after Manduzio's death.

They migrated gradually to the countryside, opting for full-time farm life when the coal trade turned sour.

All the ducks in the pond gradually migrated to the dock and formed a semi-circle around me.

The outer surface is divided into several gradually migrating tectonic plates.