pyrethroid [paɪ'reθrɔɪd]

例句:

• You correctly state that pyrethroid resistance has been demonstrated.
  来自SA
• You are correct, DDT is not a pyrethroid.
  来自SA
• The synergistic tests showed that the synergism toward pyrethroid of 1 ( endo ) is better than 2 ( exo ).
  杀虫增效活性试验证明:内型结构 ( endo ) 1的增效活性强于外型结构 ( exo ) 2.
  
• In China, pyrethroid insecticides were forbidden to apply in rice field.
  但是,在中国一直被禁止应用于水田害虫防治.
  
• The results show that the pyrethroid containing 2 - imidazolidone in the structure has insecticidal activity.
  实验结果表明:将 2- 咪唑啉酮引入到拟除虫菊酯结构中,其拟除虫菊酯具有一定的杀虫活性.