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。
Daguerre: French artist and inventor of the Daguerreotype process for obtaining positive photographic prints.
因为达盖尔银版摄影法在制作过程中非常不稳定并且伴随这一定的危险，所以很少有艺术家去使用。
Because the daguerreotype is much more fickle and dangerous to work with, there are fewer artists making daguerreotypes.
摄影确实使某些种类的绘画过时了——银版照相几乎使微型肖像消失了。
Photography did indeed make certain kinds of painting obsolete — the daguerreotype virtually did away with the portrait miniature.
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