| 释义 |
EncyclopediaSeePhotochromic Glassphotochromic lens
pho·to·chro·mic lensa light-sensitive spectacle lens that reduces light transmission in sunlight and increases transmission in reduced light.pho·to·chro·mic lens (fō'tō-krōm'ik lenz) A light-sensitive spectacle lens that reduces light transmission in sunlight and increases transmission in reduced light. |