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.

人类具有三，这意味着我们的网膜有三个锥形细，每个细同波长的光敏感：分别是蓝，绿或红。

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.

人类具有三， 这意味着我们的网膜有三个锥细，每个锥细同波长的光敏感； 蓝、绿或红。