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装胶卷时要小心，别使胶片扭结。
Care is needed when loading the roll to prevent kinking the film.
《柯林斯英汉双解大词典》
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真的？一卷胶卷有多少张胶片？
Oh, really? How many exposures does the roll of film have?
youdao
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真的？一卷胶卷有多少张胶片？
Oh, really? How many exposures does the roll of film have?
youdao