| 1. | This chemical change can be expressed by an equation .
我们可用反应式表示这种化学变化。 |
| 2. | Microorganisms are the agents that bring about the chemical change .
微生物是引起化学变化的作用者。 |
| 3. | These modifications include the chemical alternation of the bases .
这种修饰作用包括碱基的化学变化。 |
| 4. | In the growth and decay of living things there occur even more complex types of slow chemical change .
在生物的生长与衰退中发生着形式甚至更为复杂的缓慢的化学变化。 |
| 5. | Future workers should be particularly cautious in plant chemistry to exogenous chemical influence .
未来的研究者在把植物的化学变化归因于外来的化学影响时要特别小心。 |
| 6. | Suggestions have been made that gross chemical changes may occur as the sea-salt particles are transported long distances from their sources .
曾经有人提出，当海盐粒子输送到离它们的源很远的地方时，沿途会发生很大的化学变化。 |
| 7. | This is a chemical change , not a physical one
这是一个化学变化，而不是物理变化。 |
| 8. | The rocks change in both chemical and physical ways
岩石会发生化学变化和物理变化。 |
| 9. | The rocks change in both chemical and physical ways
岩石的变化有物理变化和化学变化。 |
| 10. | The rocks change in both chemical and physical ways
岩石的变化包括了化学变化和物理变化。 |
