| 1. | Nearly all our orchidaceous plants absolutely require the visits of insects to remove their pollen-masses and thus to fertilise them .
我们的兰科植物，大都需要昆虫传递花粉，才能受精。 |
| 2. | If a woman does not oulate there is no egg for sperm to fertilise and so she cannot become pregnant
如果一位妇女不能排卵，那么就不能形成受精卵，也就不会怀孕。 |
| 3. | Mature breeding birds are very expensive - even a fertilised ostrich egg isn ' t cheap so you need quite a bit of capital to begin with
周到的养殖鸟类非常昂贵，甚至繁殖鸵鸟蛋不便宜，所以你需要许多资金才能开始。 |
| 4. | The botanist observes that the bee flying with the pollen fertilises the pistil , and in this he sees the object of the bee
植物学家看到，蜜蜂飞来飞去把异株花粉带到雌蕊上，使雌蕊受粉，因此就认为蜜蜂活着是为了传送花粉。 |
| 5. | It is also seen in in vitro fertilization as several fertilised eggs are implanted into the body to increase the chance of conception
多胎妊娠可能是使用促性腺激素治疗不育，或在进行体外受精时，为了增加受孕机会而将多个受精卵植入体内的结果。 |
| 6. | A human egg , with its nucleus swapped for that of a patient ' s skin cell , can behave as if it has just been fertilised by a sperm and grow into a blastocyst
如果将一个人类卵细胞的细胞核换成病人的表皮细胞，它就能像刚经过精子受精一样发育并成长为胚泡。 |
| 7. | Once a fertilised egg has divided into eight cells , one of those cells can be removed in a biopsy without reducing the chance of a successful pregnancy
当受精卵分裂至8个细胞时（即卵裂到“卵裂球” ） ，需要取出其中一个细胞进行“活检” （活细胞组织检查）而不会影响成功受孕。 |
| 8. | Prejudices , it is well known , are most difficult to eradicate from the heart whose soil has never been loosened or fertilised by education : they grow there , firm as weeds among stones
众所周知，偏见很难从没有用教育松过土施过肥的心田里根除。它象野草钻出石缝那样顽强地在那儿生长。 |
