Louise - Jacques - Mande Daguerre, a Frenchman, worked as a painter in an opera house.
路易士· 雅克 ·曼德·达盖尔, 也是法国人, 在歌剧院当画家.
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Daguerre: French artist and inventor of the daguerreotype process for obtaining positive photographic prints.
达盖尔: 法国艺术家和发明家,发明了银版摄影术,能洗出照片的正画.
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