名词
中文翻译：Unknown
同义词：
['film', 'photographic film', 'negative']
例句：
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1. The photographer used an old album to capture the moment.
摄影师用一本旧相册捕捉了那一瞬间。
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2. The film was developed in a darkroom.
这张照片在暗室里冲洗。
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3. The negatives were carefully examined for any defects.
仔细检查了底片，以查找任何缺陷。