Some of the pebbles are starting to loosen, leaving pockets or holes that are uncomfortable to walk on.

The sense here is of that process still taking place, and the resulting tentativeness leaves pockets of air.

A snowstorm was dying, and clouds blew away to the south, leaving pockets of undiluted blue sky.

As gum disease gets worse, the gums pull away from the teeth, leaving deep pockets where plaque can hide and cause further damage.

This leaves deep pockets where plaque and bacteria can build up.

Gum disease causes the gums to pull away from the teeth, leaving pockets.

The Russian forces pulled back, leaving isolated pockets of men behind in the process to resist on their own.

The middle class is dwindling, leaving pockets of hard poverty amid large agribusinesses supported by taxpayers.

The old truck had a small window in back and smaller windows on each side, leaving deep pockets of protection in the corners.

During summer, the top layer of ice melts leaving pockets of air in the ice that makes it look white.