The bus continued driverless along the tunnel and crashed into a bridge column not far outside the exit portal.
He ran downhill and made it safely out of the exit portal of the tunnel.
She smiled and pointed to the exit portal.
Players must use their ship's weaponry to destroy enemy ships and complete certain tasks before using an exit portal.
Whatever had them burst through the exit portal's environmental shield and into the dusty street.
Queue ran the last five yards to the exit portal with his right arm dangling as if broken.
Behind us, people ran toward the exit portal, calling to the few others to get the police.
Then the exit portal opens and everyone has to return to work.
"Want a lift to the exit portal, or are you taking the scenic route?"
His three bags and datacase were stacked up by the exit portal, ready to be picked up.