名词
中文翻译：摄影计时器同义词
同义词：
['photo stopwatch', 'timer for photos']
例句：
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1. The photographer used a phototimer to measure the exposure of the photo.
摄影师使用了一个摄影计时器来测量照片的曝光时间。
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2. During the photo session, the photographer used a phototimer to ensure that each shot was taken at the correct exposure.
在拍摄过程中，摄影师使用了摄影计时器以确保每个镜头都按照正确的曝光时间拍摄。
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3. The professional photographer used a phototimer to control the speed of the shutter during the longexposure shots.
专业摄影师使用摄影计时器来控制长曝光镜头的速度。