| 1. | Participants were contacted once yearly . 对受观察者一年访问一次。 |
| 2. | Every viewer has his personal rainbow . 每一个观察者各自看到不同的虹。 |
| 3. | Each observer's prediction has been borne out . 每个观察者的预料已被证实了。 |
| 4. | This served to bring another fact to the attention of the observers . 这使观察者注意到另一事实。 |
| 5. | An observer would only see light that shone directly at him . 一个观察者只能看到直接射向他的光线。 |
| 6. | "all quite simple," says an impartial observer, charles . “这实在非常简单。”一个公正的观察者查尔斯说。 |
| 7. | The part of the spectrum which is visible depends on the eyes of the observer . 谱中可见的部分取决于观察者的眼睛。 |
| 8. | The mars observer is to be deployed from an america space shuttle . “火星观察者”号将由一架美国航天飞机运载发射。 |
| 9. | The spectacle of the aurora may appear to dazzle and enchant the observer's eye . 极光的壮丽景色的出现,会使观察者为之眩目和迷惑。 |
| 10. | The first is to use direct observation as birdwatchers do from a blind . 第一种是直接的观察,如一个观察者躲在隐蔽处看鸟时所作的观察。 |