People who cannot distinguish between colours are said to is colour blind.
不能辨别颜色的人称为色盲.
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People who are colour blind are not allowed to become aircraft pilots.
患有色盲的人不能当飞行员.
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Line film: High contrast blue light sensitive ( colour blind ) film.
线条菲林(硬性菲林): 高反差的蓝光敏感 ( 色盲 ) 菲林.
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