单词 | 溴化银 |
例句 | DEFINITIVE EXAMPLES 权威例句An emulsion of very small grains of silver bromide and gelatin is used to make the surface of photographic film sensitive to light.溴化银的细小颗粒和明胶的混合物被用来使摄影胶卷的表面具有感光性。剑桥国际 |
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