单词 | 遮光器 |
释义 | 〔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 |
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