insecticides

英 [ɪnˈsɛktɪsaɪdz]

美 [ɪnˈsɛktəˌsaɪdz]

n.  杀虫剂; 杀虫药
insecticide的复数

柯林斯词典

• N-MASS 杀虫剂;杀虫药
  Insecticideis a chemical substance that is used to kill insects.
  1. Spray the plants with insecticide.
     给植物喷洒杀虫剂。

双语例句

• Insecticides are widely used for controlling most insect pests.
  杀虫剂广泛应用于防治大多数害虫。
• The microorganism controls development of larvae, but destruction of the adult beetle requires chemical insecticides.
  这种微生物能控制幼虫生长，但是要杀死成年甲虫还需要化学杀虫剂。
• There is also a large chemical industry, producing agricultural chemicals and insecticides as well as pharmaceuticals.
  还有一个大型化学工业，生产农用化学品和杀虫剂以及药品。
• Confine the use of insecticides to the evening and do not spray plants that are in flower
  只在晚间使用杀虫剂，而且不要对正在开花的植物喷药。
• During epidemics, insecticides are also often applied as space sprays to kill the adult mosquitoes.
  在流行期间，也可经常应用杀虫剂喷洒空间以杀死成蚊。
• In remote regions, the air is pure and the crops are free of poisonous insecticides.
  在偏远地区，空气很纯净，庄稼也不施用有毒的杀虫剂。
• Spraying with insecticides and fungicides may be necessary to control any insects and diseases.
  也许有必要喷洒杀虫剂和杀菌剂以防止病虫害。
• Conclusion The vector mosquitoes have developed obvious resistance to some insecticides, which were used for a long time.
  结论经过长期的化学防制，蚊虫对一些杀虫剂产生了明显的抗性。
• Fertilizers and insecticides made from petroleum can improve crop production.
  化肥和杀虫剂是由石油制取的，可以使农作物增产。
• Few insecticides now marketed are adequately selective, so some harmless insects are killed as well as pests.
  现在市场上的杀虫剂很少有足够的选择性，所以一些无害的昆虫也和害虫一起被杀死了。