orthochromatic film

例句：

1. 1. This film is orthochromatic, which means it records the colors of the scene accurately.
   这部电影是正色的，这意味着它准确地记录了场景的颜色。
2. 2. The photographer used a special orthochromatic film to capture the vibrant colors of the sunset.
   摄影师使用了一种特殊的正色胶片来捕捉夕阳的鲜艳色彩。
3. 3. In photography, orthochromatic films are often used in conjunction with color filters to enhance the colors of thesubject.
   在摄影中，正色胶片通常与彩色滤镜一起使用，以增强主体的色彩。