To soften or change the color of(a painting or photographic negative, for example.
调色使柔和或改变如（某幅油画或照像底片等）的颜色
Key Points of PCB Phototool Preparing and Troubleshooting of Common Faults
PCB照像底片制作应注意的问题和常见故障的排除
Black & White film is good for portraits.
黑白底片照肖像效果很好。
I took the liberty of photographing the Incident, and have the film here.
我照了照片，底片在这边。
An early type of photograph made by imaging a negative on glass backed by a dark surface.
玻璃干版照相把底片放在有黑色背面的玻璃板上成像的早期照片
make(a photograph)from a negative film or plate
由底片或感光板印（照片）
photographic(al) film
胶片(薄膜), 照相底片
A positive photograph made directly on an iron plate varnished with a thin sensitized film.
铁版照相直接在用感光底片上了光的铁盘上制成的相片正像
A thin sheet or strip of developed photographic negatives or transparencies.
底片，幻灯片显影后的照相底片或幻灯片的薄片
A photographic image transferred to paper or a similar surface, usually from a negative.
冲印出来的相从底片上晒制到纸或类似的表面上的照相图像
I need a film for this camera
我需要这照相机的底片。
How many exposures have you got left? ie How many pictures remain on the camera film?
还剩下多少张底片没照？
The development of photographic films requires a dark-room.
冲洗照相底片需要暗室。
a photographic plate or a piece of film so exposed.
感光照片底片或电影胶片
a montage that uses photographic images.
用各种肖像照片拼凑出来的照片。
(of a photograph)be produced from a negative film or plate
（指照片）由底片或感光板印出
(in photography)sheet of(esp)glass coated with a film sensitive to light
（照相用的）感光底片,（尤指）玻璃感光片
I want 2 enlarge print from this negative.
我要用这张底片印两张放大照片。