名词
中文翻译：自动快门同义词
同义词：
['automatic door', 'automatic gate', 'automatic shutter']
例句：
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1. The camera has an automatic shutter that can be set to a specific delay time.
这台相机有一个可以设定特定延迟时间的自动快门。
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2. The automatic shutter is designed to automatically open and close the door when someone enters or leaves the room.
自动快门设计成当有人进入或离开房间时自动打开和关闭。
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3. The automatic shutter is used in cameras to prevent accidental exposure of film during exposure times.
自动快门在相机中用于防止在曝光期间意外曝光胶片。