| 释义 |
〔film〕A thin sheet or strip of flexible material, such as a cellulose derivative or a thermoplastic resin, coated with a photosensitive emulsion and used to make photographic negatives or transparencies.胶片：一种柔软物质的薄片，例如赛璐珞制品或热塑性树脂，涂有感光乳剂并用来制像片底片或幻灯片〔emulsion〕A photosensitive coating, usually of silver halide grains in a thin gelatin layer, on photographic film, paper, or glass.感光乳剂：一种感光覆盖层，通常是银的卤化物颗粒在感光胶片、纸或玻璃上的一薄层胶体 |