The clean room's window turned transparent again, in time to catch the disc retract back into the electronic module.

Now imagine that beam of red light retracting back into your palm.

The canes loosened, retracting back into the splintered floorboards surrounding the vampire.

When it's not in use, the system retracts back up out of sight.

The creature was changing again as it stood, horns retracting back into its skull.

The officer pressed a stud and the cords rapidly retracted back into a ready position.

The panels scalloped away from the center point, retracting back into the walls, floor, ceiling.

She reached out and touched the ice, shivering as it retracted back into her skin.

There were several hisses and clicks; then the wire retracted back into the device and Jorge stepped away.

The eye looked quickly from one robot to the other, then retracted back through the little window and slammed the hatch shut.