黑暗时代（下篇）(8)

"Varia, we cannot repair the generators," said the aged Phabar to his daughter. "The work is beyond my strength or yours. Also, metals are required which we cannot procure in their native state, and can no longer make with the weakening atomic transformers. Sooner or later the savages will learn that the force-barrier has ceased to exist. They will attack the laboratory — and will find only an old man and a girl to oppose them."