参考词典中photographic film的常规释义：
基本释义
参考例句
- The development of photographic films requires a dark-room.
冲洗照相底片需要暗室。 - The act of exposing sensitized photographic film or plate.
曝光感光胶片或底片的曝光的行为
英英解释
- photographic material consisting of a base of celluloid covered with a photographic emulsion; used to make negatives or transparencies
[同]
film, photographic film
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