例句與造句

1. The brain must point both eyes accurately enough that the object of regard falls on orbit by six extraocular muscles.
2. To get a clear view of the world, the brain must turn the eyes so that the image of the object of regard falls on the fovea.
3. Both eyes must point accurately enough that the object of regard falls on corresponding points of the two retinas to stimulate stereovision; otherwise, double vision might occur.
4. It's difficult to find object of regard in a sentence. 用object of regard造句挺難的