| 1. | What he had seen on the screen was a faint shadow of his hand .
他看到自己的手在屏幕上投下暗淡的阴影。 |
| 2. | He thought that a flock of birds was causing dots on his radar screen .
他以为这是一群鸟在他的屏幕上形成的光点。 |
| 3. | If the aperture is circular, a circular spot of light appears on the screen .
如果孔是圆形的，那么在屏幕上出现一圆形光斑。 |
| 4. | The people on the screen are really moving in a normal way, and not in a jumpy fashion .
屏幕上的人物真的以正常的方式活动，而不是跳跃式的。 |
| 5. | Light entering the hole cast an inverted image of the sunlight outside scene on an inside screen .
进入小孔的光在室内的一个屏幕上对阳光照亮的外景成一倒象。 |
| 6. | The intensity distribution on a screen from dark to bright to dark again is called an interference fringe .
屏幕上的强度分布，从暗到亮再到暗，叫做一条干涉条纹。 |
| 7. | As the electron beam goes across the face of the picture tube, there are various little spots of light and dark .
当电子束扫过显象管屏幕时，屏幕上就有许多小亮点和暗点。 |
| 8. | To the toad, the garden must be a gray screen on which things show only when they jiggle .
这花园在蟾蜍看来必定是一张灰色的屏幕，屏幕上的东西只有在轻轻移动时，它才看得见。 |
| 9. | That week people all over the world saw the film of this mysterious light on the their television screens .
在那一周内，全世界的人都在电视屏幕上看到了这一神秘发光体的镜头。 |
| 10. | On the screen he saw his hand, not as he knew it, but as a gruesome collection of black stumps .
他在屏幕上看见自己的手不是原来的样子，倒象是拼凑起来的几根黑糊糊的干树枝，叫人望而生畏。 |
