名词
中文翻译：遮光圆盘
同义词：
['shutter', 'shutter plate']
例句：
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1.The camera has a shutter disk that can be used to adjust the exposure.
相机有一个遮光圆盘，可以用来调整曝光。
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2.The shutter disk is responsible for controlling the camera's shutter speed.
遮光圆盘负责控制相机的快门速度。
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3.The photographer used a shutter disk to freeze the moment of the falling leaf.
摄影师使用遮光圆盘捕捉到落叶的瞬间。