In remote regions, the air is pure and the crops are free of poisonous insecticides.
在偏远地区，空气是纯净的，庄稼也不用有毒的杀虫剂。
The development of new, alternative insecticides is an expensive and long-term endeavour.
新的替代杀虫剂的研发是一项昂贵的长期努力。
Currently there is a lack of alternative, cost-effective and safe insecticides.
目前缺乏缺乏具有成本效益并具有安全性的替代杀虫剂。
Put a stop to insecticides in your home and office.
无论是在家里还是办公室都不要使用杀虫剂。
And while insecticides are helpful, mosquitoes quickly build a resistance to the treatment.
虽然，杀虫剂能帮助杀死蚊子，但是蚊子能很快建立对抗杀虫剂的抗性。
Currently % there is a lack of alternative, cost-effective and safe insecticides.
跟读目前缺乏缺乏具有成本效益并具有安全性的替代杀虫剂。
The quality, security and application status of insecticides is summarized in this paper.
概述了茶园农药质量安全、使用管理现状。
The quality, security and application status of insecticides is summarized in this paper.
概述了茶园农药质量安全、使用管理现状。
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