| 1. | You may know a man by the company he keeps . 观其友则知其人。 |
| 2. | You may judge his character by his friends . 观其友则知其人。 |
| 3. | There is no change in the visual appearance of a superconductor . 超导体表观面貌并无变化。 |
| 4. | Henry was very observant . 亨利善于察颜观色。 |
| 5. | "nobody goes bird-watching in the dark," the captain said . “没有人会摸黑观鸟的,”上尉说。 |
| 6. | The study used relatively small values of superficial gas velocity . 这项研究采用相当小的表观气速。 |
| 7. | You see how i keep my windows here, so as to spy out the country . 你看我在这儿怎样守住窗口,洞观天下。 |
| 8. | Relativity had the most profound effect on our conception of time . 相对论对于我们的时间观影响极为深刻。 |
| 9. | Something must have created it-the design speaks a designer . 一定是某种力量创造了它,观设计便可知其设计者。 |