| 21. | Seed development in most instances commences following fertilization of the ovule. |
| 大多数种子的形成是从胚珠受精开始的。
|
| 22. | Most seed orchard theory is based on the assumption that panmixis will occur and that selfing will not be a serious problem. |
| 大多数关于种子园理论，是以假定能发生随机交配和自花受精而不会成为严重问题为依据的。
|
| 23. | The blossoms are going to seed . |
| 这些花要结籽了。
|
| 24. | Some plants will not seed in a cold climate. |
| 有些植物在寒冷的气候下不能结实。
|
| 25. | grow onions from seed |
| 用种子种洋葱
|
| 26. | scatter seed (over the ground) |
| 播种
|
| 27. | scatter the lawn with grass seed |
| 把草籽撒在草坪上
|
| 28. | a tiny poppy seed |
| 小小的罂粟籽
|
| 29. | a handful of grass seed |
| 一把草籽
|
| 30. | seed corn, potatoes, etc |
| 作种子用的谷物, 马铃薯等
|