A layer of clear air separates it from the mountain.

As its wings bit into the first thin layers of air, Tom slammed the control stick forward.

That layer of air will stay pretty hot, but not too hot to handle.

Clothes also hold a layer of warm air around you.

When it's hot, there is nothing like wearing a layer of air.

The earth is covered in a layer of air.

One giant after the other shot through the thin layer of air covering the moon until it was our turn to go.

He felt like he was floating on a layer of air.

When they cool, the thin layer of air around them cools too.

Then they were out of the mist, in a layer of clear air.