名词
中文翻译：镜头环
同义词：
['lens hood', 'lens cap', 'lens cover']
例句：
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1.The camera was damaged during the filming of the movie.
电影拍摄期间，相机受损了。
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2.The lens loop is designed to protect the camera lens from scratches and dust.
镜头环的设计是为了保护相机镜头免受刮擦和灰尘的侵害。
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3. The lens loop is a crucial component in maintaining the stability of the camera.
镜头环是保持相机稳定性的关键部件。