单词：visual pigment
visual pigment的用法和样例：
例句
- Because human and avian visual pigments are not identical, this mixture was different from what we would predict for humans asked to make the same color match.因为人类与鸟类的视色素不完全一样，鸟类所看到的红绿混合光比率，应该不同于人类对同一黄光的红绿配色比率。
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