感光

1. 铁版照相直接在用感光底片上了光的铁盘上制成的相片正像
   A positive photograph made directly on an iron plate varnished with a thin sensitized film.
2. 在（文献）资料 * 中，感光材料曝光以后的处置，以显现和保留图象。
   In a document copying machine, the treatment of sensitized material after exposure so as to reveal and to retain the image.
3. 感光性对光的敏感和感应性
   Sensitivity or responsiveness to light.

光的英语翻译：