1、photographic film used to make X-ray pictures.
用作X光相紙的照相膠片。

2、Used as a stable overlay material and as a photographic film base.
作覆面物料和照相菲林的片基用。

3、a photographic film sensitive to light of all colors (including red).
對所有的顏色（包括紅色）都敏感的照相軟片。

4、To expose(a photographic film or plate) too long or with too much light.
使（底片等）曝光過度使（攝影用的膠卷或底片）暴露過久或過分曝光

5、photographic film wound on a spool.
纏在線軸上的照相軟片。

6、Photographic film was patented by US entrepreneur and inventor George Eastman.
美國企業(yè)家喬治·伊斯曼發(fā)明的攝影膠卷獲得專利保護。

7、a photographic film sensitive to green and blue and violet light
對綠色、藍色和紫色光線敏感的照相軟片。

8、the intensity of light falling on a photographic film or plate.
攝影膠片或感光板所受光的強度。

9、the intensity of light falling on a photographic film or plate
攝影膠片或感光板所受光的強度。

10、To make(a photographic film or substance) less sensitive to light
減低感光性降低（照相底片）對光的敏感性

11、To expose(a photographic film or plate) too long or with too much light
使（底片等）曝光過度使（攝影用的膠卷或底片）暴露過久或過分曝光

12、photographic film wound on a spool
纏在線軸上的照相軟片。

13、One has to process a photographic film to print pictures from it.
必須先處理照相底片才能沖印出相片。

14、To make(a photographic film or substance) less sensitive to light.
減低感光性降低（照相底片）對光的敏感性

15、a photographic film sensitive to light of all colors (including red)
對所有的顏色（包括紅色）都敏感的照相軟片。

16、Photographic plates preceded photographic film as a method of photography.
在使用膠片之前，使用的攝影方法是照相底板。

17、a photographic film sensitive to green and blue and violet light.
對綠色、藍色和紫色光線敏感的照相軟片。

18、The act of exposing sensitized photographic film or plate.
曝光感光膠片或底片的曝光的行為

19、One has to process a photographic film to print pictures from it
必須先處理照相底片才能沖印出相片。