blue blindness

英 美
  • 蓝色盲
  • blindness n.盲目;失明;愚昧
  • blue adj.蓝色的;忧郁的;沮丧的;色情的n.蓝色
名词 blue-blindness:
  1. rare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellow