| 1. | Nitrosophenols are formed very easily by the action of nitrous acid on phenols .
以亚硝酸作用于酚，很易制得亚硝基酚。 |
| 2. | The level of the petrol in the chamber is kept constant by the action of a float .
室内汽油的水平高度由于浮子的作用保持不变。 |
| 3. | This substance is bleached by the action of light and converted into a yellow and finally a white material .
这种物质被光脱色而变黄，最后成为一种白色的物质。 |
| 4. | This is made possible by the action of the crystalline lens and the ciliary muscle to which it is attached .
通过晶状体及其所连着的睫状肌的动作，可以做到这一点。 |
| 5. | The fish is preserved uncleaned and it appears that the nitrosamines are produced by the action of salt-tolerant bacteria .
鱼是未整理干净就腌的，亚硝胺有可能是由耐盐细菌的作用而产生的。 |
| 6. | There are some methylmercuric compounds which do not liberate methylmercury for extraction by the action of strong halide acids alone .
有一些甲基汞化合物，它们在强含卤酸的单独作用下不能释出供萃取的甲基汞。 |
| 7. | Solar cells work by the action of light on electrons
太阳能电池通过电子光运动来工作。 |
| 8. | Photographs are produced by the action of light on film
光对底片发生作用从而产生照片。 |
| 9. | Anyone can end up a victim . . . injured by the actions of others
人人都会末路逢凶，被他人所伤。 |
| 10. | She cleared it by the action of acids
她利用酸的作用把它洗净了。 |
