| 1. | Cotton is naturally self-pollinated . 棉花本是自花授粉的。 |
| 2. | They were maintained by normal self-pollination . 它们保持正常的自花授粉繁殖。 |
| 3. | He could effect cross-fertilization between them . 他可以实现它们间的杂交授粉。 |
| 4. | This eliminates the possibility of self-pollination . 这减少出现自花授粉的可能性。 |
| 5. | The exposed pistils can be pollinated immediately . 对暴露出来的雌蕊可以立刻进行授粉。 |
| 6. | The relationship between plant and pollinator is a mutualistic one . 植物和授粉动物之间的关系是典生关系。 |
| 7. | It is important to match varieties in order that they may cross-fertilize . 要配置的授粉品种必须是能互相授粉的。 |
| 8. | Early archegonial development is already evident two weeks after pollination . 颈卵器的早期发育在授粉后两周内就业已明显。 |
| 9. | Many insects were pollinators before other flying animals were extant . 在其它能飞的动物出现之前,许多昆虫已经是授粉者了。 |
| 10. | Pollination is the mechanical transfer of pollen from the anthers to the sti gmas . 授粉是机械地把花药里的花粉传送到柱头上去。 |