Humans have trichromatic vision, meaning we have three cone cells in our retinas, each which are sensitive to different wavelengths of light: blue, green or red.

具有三色视觉，这意味着我们视网膜有三个锥形细胞，每个细胞对不同波长感：分别是蓝色，绿色或红色。

Humans have trichromatic vision, meaning we have three cone cells in our retinas, each which are sensitive to different wavelengths of light; blue, green or red.

具有三色视觉， 这意味着我们视网膜有三个视锥细胞，每个视锥细胞对不同波长感； 蓝色、绿色或红色。