| 1. | They have cleared up the cause of the physical change .
他们已经搞清楚这个物理变化的成因。 |
| 2. | After physical changes of any kind, immigration will have been prevented .
起了任何性质的物理变化之后，迁入也要受到防碍。 |
| 3. | The rocks change in both chemical and physical ways
岩石经过了化学和物理变化。 |
| 4. | This is a chemical change , not a physical one
这是一个化学变化，而不是物理变化。 |
| 5. | The rocks change in both chemical and physical ways
岩石会发生化学变化和物理变化。 |
| 6. | The rocks change in both chemical and physical ways
岩石的变化有物理变化和化学变化。 |
| 7. | 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。 |
| 8. | The rocks change in both chemical and physical ways
岩石的变化既有化学变化又有物理变化。 |
| 9. | The rocks change in both chemical and physical ways
岩石的演变过程包括化学变化和物理变化。 |
| 10. | In the case of a physical change no new su tance is found
就物理变化来说，不会发现新物质。 |
