insecticide的词根是什么
我们平时都会使用杀虫剂，而insecticide就是杀虫剂的意思，那insecticide的词根又是什么呢?下面是本站小编为你整理的insecticide的词根的相关资料，希望大家喜欢!
1.词根：-cad-, -cid-, -cas-
【词根含义】：落下,降临,发生
【词根来源】：来源于拉丁语动词cado, cadere, cecidi, casus(落下), 落下意味着降临, 降临意味着意外发生。
【同源单词】：decadence, decay, accident, accidental, accidentally
2.词根：-cis-, -cid-
【词根含义】：切
【词根来源】：来源于拉丁语动词caedo, caedere, cecidi, caesus(砍,劈)。
【同源单词】：circumcision, concise, concision, decision, decisive
3.词根：-sec-, -sect-, -seg-
【词根含义】：切割
【词根来源】：-sec-/-sect-/-seg-来源于拉丁语动词seco, secare, secui, sectus(切割)。
【同源单词】：skin, insect, insecticide, intersection, section
insecticide的用法n.杀虫剂;
复数： insecticides
1. Thanks to a new EU directive, insecticide labelling will be more specific.
根据欧盟的一项新指令，杀虫剂的标签标注将更加明确。
2. About 70% of the cocoa acreage is treated with insecticide.
大约70%的可可树林地喷过杀虫剂。
3. Spray the plants with insecticide.
给植物喷洒杀虫剂。
4. The pad is impregnated with insecticide.
垫子上满是杀虫剂。
5. Apply the insecticide sparingly.
慎用杀虫剂.
6. Many pests are resistant to the insecticide.
许多害虫对这种杀虫剂有抵抗力.
7. He is spraying insecticide.
他在喷杀虫剂.
8. The insecticide was put out of the child's reach.
杀虫剂放在孩子拿 不 到的地方.
9. He sprayed an insecticide upon the plants to kill the insects.
他给作物喷药,以杀死害虫.
10. 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.
insecticide的词汇搭配organic insecticide 有机杀虫剂
bait insecticide 饵杀虫剂
chlorinated insecticide 氯化杀虫剂
stomach insecticide 胃毒杀虫剂
vegetable insecticide 植物杀虫剂
residual insecticide 后效杀虫剂,滞留杀虫...
agricultural insecticide 农用杀虫剂
soil insecticide 土壤杀虫剂
chemical insecticide 化学杀虫剂
poison insecticide 有毒杀虫剂
contact insecticide 接触杀虫药剂,触杀剂...
bacterial insecticide 细菌杀虫剂
persistent insecticide 持久性杀虫剂,残留性...
viral insecticide 病毒杀虫剂
insecticide resistance 抗杀虫性
microbial insecticide 微生物杀虫剂...
carbamate insecticide 氨基甲酸酯类杀虫剂...
