- 重点词汇
- 相关例句
This thesis is to study the insecticidal effect of PC to aphids and Plutella xylostlla.
本文研究蝉拟青霉对蚕豆蚜虫和小菜蛾的杀虫作用.
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报道了一种新型结构的拟除虫菊酯类似物的合成以及杀虫活性试验.
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These compounds have relatively high insecticidal activities and with low levels of resistance.
其结果表明该类化合物对测试害虫显示出较高的杀虫活性和较低的抗性比.
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Approximately 40 % of the applied insecticide in each orchard was residual in the soil profiles.
大约每一果园施用的40%杀虫剂残留在土壤剖面中.
辞典例句
I was in the most unbelievable snarl this morning over-of all things-a truckload of insecticide!
今天早上,真想不到,为了一卡车杀虫剂的事搞得我晕头转向!
辞典例句
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.
辞典例句
They are insects'worst enemies, killing far more pests than commercial insecticides do.
它们是昆虫的死敌, 杀灭害虫的能力要比作为商品的杀虫剂大得多.
百科语句
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。
辞典例句