| 1. | Trees propagate themselves by seeds .
树木借着种子繁殖。 |
| 2. | The weeds propagate themselves rapidly .
杂草繁殖极快。 |
| 3. | We can propagate our learning to the next generation .
我们能把掌握的知识传给下一代。 |
| 4. | Disease of animal and vegetable pests propagate with extreme rapidity .
动植物病害传播极快。 |
| 5. | Rabbits propagate rapidly .
兔子繁殖迅速。 |
| 6. | All great inventions and discoveries propagate themselves .
所有的重大发明和发现都会自行向四方传播。 |
| 7. | Materials through which no radiation is propagated are called opaque .
辐射线不能透过的物质叫不透明体。 |
| 8. | A "vegetative propagule" is any type of vegetatively propagated tree .
“营养繁殖体”是任何类型的无性繁殖树木。 |
| 9. | Conservative ideas, based on history and tradition were emphasized and propagated .
基于历史和传统的保守思想得到了加强和宣传。 |
| 10. | These are inherent and apparently permanent and can be propagated vegetatively .
这些具有内在的和明显的遗传性，并可以无性繁殖。 |
