名词
中文翻译：快门
同义词：
['shutter', 'aperture']
例句：
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1. The photographer focused his lens on the sunset.
摄影师把镜头对准了日落。
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2. The camera's shutter clicked as the light faded.
随着光线变暗，相机的快门咔嚓一声。
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3. The artist used different shutter speeds to capture different moments of the scene.
艺术家使用不同的快门速度来捕捉场景的不同瞬间。