Briefly visible were two smaller girls, running from the camera.
Its head was briefly visible above the grass.
That is, another invisible black man makes himself briefly visible.
Dixie is briefly visible, then becomes totally obscured by electronic snow.
An elf woman was briefly visible in the open space of the outer ring.
Briefly visible were burning eyes, that caught the glow, then lost themselves in deeper darkness.
In 1998, cables were briefly visible going out to sea at Waterville and are probably still there.
This is briefly visible in the video released by the band of Danny getting 'disturbed'.
His scene was cut from the final version, however he is briefly visible walking with a cameraman during one scene.