Well, when the color sensitive cone photoreceptors at the back of your eye are exposed to constant stimulus, they become less sensitive and they're tuned down so that they don't fire.

好吧，当眼睛后部的颜色敏感锥形光感受器受到持续刺激时，它们会变得不那么敏感， 并且会被调低， 这样它们就不会发射。