The insecticide is the product of a bacterial gene inserted into GM maize and other cereal crops to protect them against insects such as the European corn borer beetle.
这种杀虫剂是细菌基因植入到转基因玉米和其它谷类作物的产物，以防治欧洲玉米螟甲虫之类的昆虫。
However, proven interventions such as insecticide-treated nets, and the latest artemisinin-based combination therapies must reach many more people before we can have a real impact on malaria.
然而，必须使更多的人获得经证实的诸如杀虫剂处理的蚊帐和最近的以青蒿素为基础的复合疗法的干预措施，我们才能对疟疾产生实际的影响。
For a time, it was successful, but then evolution struck back, as natural selection favoured the spread of insecticide-resistant genes.
这种方法一时间非常有效，但接着蚊子重磅回击——大自然的生存法则让蚊子大军有了抗杀虫剂的良好基因。
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