杀虫剂

• They sprinkled pesticide to bug the potatoes .
  他们喷撒杀虫剂给马铃薯除虫。
• Systemic insecticides have shown particular promise .
  内吸杀虫剂看来特别有效。
• Both aldrin and chlordane are valuable insecticides .
  艾氏剂和氯丹都是重要的杀虫剂。
• Most pesticides do not comply with this ideal .
  大多数杀虫剂在这一点上都不完全理想。
• He needs a pesticide that will kill corn borers .
  他需要一种能消灭玉米螟虫的杀虫剂。
• This definition does not exclude the use of pesticides .
  这个定义并不排除使用杀虫剂。
• Pesticides have some features peculiar to themselves .
  杀虫剂具有某些它们本身所独有的特点。
• Resistance to insecticides has been apparent for many decades .
  杀虫剂抗药性的出现已有数十年。
• Farm workers frequently come in contact with these insecticides .
  农场工人常常接触这些杀虫剂。
• Insecticides are widely used for controlling most insect pests .
  杀虫剂广泛应用于防治大多数害虫。