名词
中文翻译：曝光时钟
同义词：
['exposure timer', 'exposure counter例句：1. The exposure clock was set for 10 minutes.（曝光计时器设置为10分钟。）']
例句：
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1. The exposure clock was set for 10 minutes.
曝光计时器设置为10分钟。
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2.The exposure clock showed that the sun had set.
曝光计时器显示太阳已经落山了。
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3.The exposure clock was used to measure the amount of light in a room.
曝光计时器用于测量房间内的光线量。