Ling and the other forayer humans formed a guard of honor around their noble patrons, while vigilant robots hovered.

The robot hovered over the control panel.

Fortunately most of the tourists were after a robot hover, which she couldn't afford anyway.

The robot hovered.

He did not like the robots bringing him meals and then hovering over him, clattering about with the dishes.

The robot checked flight and hovered.

The robot hovered over Nicole and the smaller octospider.

Another robot hovered nervously about Ariel.