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.

人类具有色觉，这意味着我们的有锥形细胞，每细胞对不同波长的光敏感：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.

人类具有色觉， 这意味着我们的有锥细胞，每锥细胞对不同波长的光敏感； 蓝色、绿色或红色。