时间:2022-01-13 22:57:34
n.
杀虫剂。 farm insecticide 农业杀虫剂,农药。 spray insecticide 喷射杀虫剂。
adj.
-cidal
除虫的 (insectisidal oil 杀虫油)。
a chemical used to kill insects
同义词:insect powder,
An insecticide is a pesticide used against insects. They include ovicides and larvicides used against the eggs and larvae of insects respectively.
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。
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。
Spraying the area around buildings with an insecticide also prevents insect buildup .
建筑物周围喷洒杀虫药也能防止昆虫孳生。
Spraying the area around buildings with an insecticide also prevents insect build up .
建筑物周围洒布杀虫药也能防止昆虫孳生。
As preventive, spray plants with systemic insecticide or fumigate them regularly .
作为预防措施,要用内吸杀虫剂对植物定期喷洒,或熏蒸。
I have decided to specialize in plant chemicals that can be used for insecticides .
我已经下决心专门研究可以用作杀虫剂的植物中的化学物质。
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。