| 单词 | 正色底片 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔orthochromatic〕Of or relating to a film, plate, or emulsion that is sensitive to all colors except red and renders red as dark gray and blue and green as light gray.正色底片：属于或关于对除了红色外所有颜色敏感并能将红色变成深灰色、蓝色和绿色变成浅灰色的胶片、胶盘或感光乳胶的美国传统 |
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