In the distance, we could see tanks moving and the muzzle flash of a heavy machine gun.

我们远远的看见有坦克在移动，还能看到重型机关枪的火舌。

In the footage, you see what looks like a muzzle flash from the door of the vehicle.

在这段视频中，你可以看到车门处的枪击火光。

He may come in here if he doesn't see muzzle flashes.

如果没看到开枪的闪光 他也许会进来。