| 1. | The most distant object for which an image can be formed on the retina is then nearer than infinity .
这时，能成象在视网膜上的最远物体比无穷远近。 |
| 2. | A person with good eyesight can distinguish distant objects
眼力好的人能看清远处的物体。 |
| 3. | The main symptom is difficulty in seeing distant objects clearly
当观看远物时，影像便被投射到视网膜前。 |
| 4. | To begin we choose a point on the most distant object in the scene
一开始我们选择场景中最远的物体上的一点。 |
| 5. | A nearsighted person cannot focus accurately on distant objects
一个近视的人不能够正确地调节眼睛看远处物体。 |
| 6. | A near - sighted person cannot focus accurately on distant objects
近视眼的人不能准确地调整眼睛看清远处的物体。 |
| 7. | You can look at some distant objects or close your eyes to take a rest
眼睛疲倦时要稍作休息，可远望或闭目养神。 |
| 8. | Short - sightedness is caused when the eye is unable to focus on distant objects
在眼镜不能聚焦在远处的物体上时近视就会发生。 |
| 9. | Fixate a small distant object with your eyes and point directly at it with your forefinger
九用你的双眼锁定不远处的一个小物件，用食指指向这个物件。 |
| 10. | By putting a telescope into space , astronomers can get views of distant objects without having to look through earth ' s thick atmosphere
天文学家把哈勃送入太空，能观察到遥远的星体，而无需透过地球厚厚的大气层来进行观测。 |
