This excitation in turn leads to activation of retinal neurons, one set of which fires impulses in the optic nerve, conveying information to the brain about the light received.是什么意思_This excitation in turn leads to activation of retinal neurons, one set of which fires impulses in the optic nerve, conveying information to the brain about the light received.在線翻譯_英語_讀音_用法_例句