1. If a woman does not ovulate 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。
2. He plans to fertilise his fields with manure, rather than chemicals derived from oil and natural gas. 他计划用天然肥料替代从石油和天然气中提取的化肥给农田施肥。
3. It may also cover the cost of a plan to create "green corridors" between tiger habitats, allowing the cats to cross-fertilise their isolated gene pools. 这笔资金或许也会负担在老虎栖息地之间建造“绿色走廊”这一计划所需之费用，这将使老虎交叉受精于独立的基因库之中。
英英解释
v.
1. make fertile or productive
2. provide with fertilizers or add nutrients to
3. introduce semen into (a female)
