| 1. | These worms are placed in dilute salt solutions .
将蚯蚓放在稀释盐溶液中。 |
| 2. | Dilutions are not exactly the same .
稀释度并不是恰好相同。 |
| 3. | There is no hard and fast rule about dilution .
至于稀释程度，没有严格的规定。 |
| 4. | Strong acids are often diluted before they are used .
强酸在使用前常加以稀释。 |
| 5. | You have to water down the medicine before drinking it .
你得把这种药加水稀释后再服用。 |
| 6. | He attributed this to a dilution effect of the herbicide .
他把这归因于除草剂的稀释效应。 |
| 7. | The chemical dilution technique transcends most of the difficulties .
化学稀释法能克服大部分困难。 |
| 8. | It is important to draw a sharp contrast between isolation and dilution .
把隔离和稀释两者划清界线是重要的。 |
| 9. | This pesticide is diluted with water and applied directly to the fields .
这种杀虫剂用水稀释后直接施用在田里。 |
| 10. | Water sprays are used to break the foam by dilution and mechanical action .
采用水喷雾法，通过稀释和机械作用破坏泡沫。 |
