查询词典 insecticides

In order to maintain long effective controlling, we must pay more attention to sensitivity of these insecticides to beet armyworm.

害虫对药剂都存在产生抗药性的风险，为了更有效地控制甜菜夜蛾的危害，掌握甜菜夜蛾对该类杀虫剂的敏感性变化十分重要。

Methods The insecticide film was used to identify the resistance of German cockroach to four kinds of insecticides.

采用药膜法测定德国小蠊对4种常用杀虫剂的抗性水平，采用分光光度法测定酶活性。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。