| 释义 |
〔underexpose〕To expose (film) to light for too short a time or to light or radiation insufficient to produce normal image contrast.曝光不足：（底片）曝光时间太短或光线太弱无法制造正常图像反差〔shutter〕A mechanical device of a camera that controls the duration of a photographic exposure, as by opening and closing to allow light coming through the lens to expose a plate or film.遮光器：照相机上用来控制摄影曝光时间的一种机械装置，通过开与闭让光线从镜头透过使底片或胶卷曝光 |