在美国，一种叫做滴滴涕的杀虫剂正在伤害隼卵。
In America, a pesticide, a chemical, called DDT was harming the falcon eggs.
世卫组织于今年9月宣布，室内喷洒滴滴涕和其它杀虫剂将再次在其抗击疟疾的努力中发挥重要作用。
In September, WHO announced that indoor spraying with DDT and other insecticides would once again play a major role in its efforts to fight the disease.
蚊虫对包括滴滴涕和拟除虫菊酯等杀虫剂的耐药力越来越强，特别是在非洲。
An increasing mosquito resistance to insecticides, including DDT and pyrethroids, particularly in Africa; and.
在世卫组织已批准的可安全用于室内喷洒的十几种杀虫剂中，最有效的是滴滴涕。
Of the dozen insecticides WHO has approved as safe for house spraying, the most effective is DDT.
一种化学药品，比如滴滴涕（DDT，一种杀虫剂，在环境中非常难降解，多数国家已经明令禁止或限制生产和使用DDT），从上个世纪早期以来一直被用于控制农作物虫害或者疾病载体。
An assortment of chemicals, such as DDT, have been employed since early in the last century to control crop pests or carriers of diseases.
结论现场品系对3种杀虫剂均产生了不同程度的抗性，但滴滴涕的抗性指数接近于正常品系。
Conclusion the tested wild strains had resistances to all 3 kinds of insecticides but their resistance factors to DDT were close to the normal strain.
结论现场品系对3种杀虫剂均产生了不同程度的抗性，但滴滴涕的抗性指数接近于正常品系。
Conclusion the tested wild strains had resistances to all 3 kinds of insecticides but their resistance factors to DDT were close to the normal strain.
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