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A visual impression remaining on the retina after the stimulus producing it has been withdrawn; an after-image. rare.
Mid 19th century (in an earlier sense). Apparently back-formation from photogenic.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。