感光剂

例句：

1. 1. The developer is a chemical that reacts with the photosensitive material to create an image.
   显影剂是一种化学物质，它与感光材料反应以产生图像。
2. 2. The photographer used a special solution of sensitizing dye to enhance the photograph's color.
   摄影师使用了一种特殊的感光染料溶液来增强照片的颜色。
3. 3. The process of developing the film involves using a light source to expose the photosensitive material and then developing it with a chemical solution.
   曝光过程涉及使用光源对感光材料进行曝光，然后用化学溶液对其进行处理。