底片

1. ＂用那张底片，你要我们印几张像片？＂
   How many copies do you ask us to print off from the negative?
2. 如果你照完一张相片后不往前进一张，底片就是会曝光。
   If you don't wind on after taking a picture, your negative will be double-exposed.
3. 一次成像相机的问题在于没有底片，而其相片在数年内就会明显褪色。
   The problem about the instant camera is the lack of negative, and their print can fade considerably within a few years.
4. 把门关上，不然亮光能使底片发灰。
   Shut the door or the light will fog the film.

底的英语翻译：

片的英语翻译：