【眼睛介绍】用英语介绍眼睛的用处200字左右

网友回答

【答案】 Eye is an organ that can sense light.The simplest structure of the eye can detect ambient light and shade,more plex structures can provide visual eye.Usually in the arthropod pound eye (such as insects) and found that often there are many simple little eye surface position,and produce a video (not usually think more images).In many vertebrates and some mollusks,the eye of light projected through the light-sensitive retinal imaging,where the light is received and converted into signals passing through the optic nerve to the brain.Usually the eyes are spherical,which is full of a transparent gelatinous substance,there is a focus with the lens,usually there is a can control how much light enters the eye iris.