Behind a small, transparent window, something inside the machine began to spin.

The door often but not always contains a transparent window.

Through the transparent window of a port, they could see the land that stretched beneath them, green and beautiful.

Suddenly, Mitchell heard a tapping on the back wall, which had a transparent window built into it.

The ends of the white bar show as transparent windows on the wings.

People on the dark side see through it-it looks like a transparent window.

Around the early 1960s, transparent windows were added to models.

There are a number of transparent windows in the wings.

Anyone inspecting the piece of mail would be able to see the color change through the transparent window.

Through the transparent window of the headpiece he saw the older man watching him.