insecticide的詞根是什么

　　我們平時(shí)都會(huì)使用殺蟲(chóng)劑，而insecticide就是殺蟲(chóng)劑的意思，那insecticide的詞根又是什么呢?下面是學(xué)習(xí)啦小編為你整理的insecticide的詞根的相關(guān)資料，希望大家喜歡!

　　insecticide的詞根

　　1.詞根：-cad-, -cid-, -cas-

　　【詞根含義】：落下,降臨,發(fā)生

　　【詞根來(lái)源】：來(lái)源于拉丁語(yǔ)動(dòng)詞cado, cadere, cecidi, casus(落下), 落下意味著降臨, 降臨意味著意外發(fā)生。

　　【同源單詞】：decadence, decay, accident, accidental, accidentally

　　2.詞根：-cis-, -cid-

　　【詞根含義】：切

　　【詞根來(lái)源】：來(lái)源于拉丁語(yǔ)動(dòng)詞caedo, caedere, cecidi, caesus(砍,劈)。

　　【同源單詞】：circumcision, concise, concision, decision, decisive

　　3.詞根：-sec-, -sect-, -seg-

　　【詞根含義】：切割

　　【詞根來(lái)源】：-sec-/-sect-/-seg-來(lái)源于拉丁語(yǔ)動(dòng)詞seco, secare, secui, sectus(切割)。

　　【同源單詞】：skin, insect, insecticide, intersection, section

　　insecticide的用法

　　n.殺蟲(chóng)劑;

　　復(fù)數(shù)： insecticides

　　1. Thanks to a new EU directive, insecticide labelling will be more specific.

　　根據(jù)歐盟的一項(xiàng)新指令，殺蟲(chóng)劑的標(biāo)簽標(biāo)注將更加明確。

　　2. About 70% of the cocoa acreage is treated with insecticide.

　　大約70%的可可樹(shù)林地噴過(guò)殺蟲(chóng)劑。

　　3. Spray the plants with insecticide.

　　給植物噴灑殺蟲(chóng)劑。

　　4. The pad is impregnated with insecticide.

　　墊子上滿是殺蟲(chóng)劑。

　　5. Apply the insecticide sparingly.

　　慎用殺蟲(chóng)劑.

　　6. Many pests are resistant to the insecticide.

　　許多害蟲(chóng)對(duì)這種殺蟲(chóng)劑有抵抗力.

　　7. He is spraying insecticide.

　　他在噴殺蟲(chóng)劑.

　　8. The insecticide was put out of the child's reach.

　　殺蟲(chóng)劑放在孩子拿 不 到的地方.

　　9. He sprayed an insecticide upon the plants to kill the insects.

　　他給作物噴藥,以殺死害蟲(chóng).

　　10. As preventive, spray plants with systemic insecticide or fumigate them regularly.

　　作為預(yù)防措施, 要用內(nèi)吸殺蟲(chóng)劑對(duì)植物定期噴灑,或熏蒸.

　　insecticide的詞匯搭配

　　organic insecticide 有機(jī)殺蟲(chóng)劑

　　bait insecticide 餌殺蟲(chóng)劑

　　chlorinated insecticide 氯化殺蟲(chóng)劑

　　stomach insecticide 胃毒殺蟲(chóng)劑

　　vegetable insecticide 植物殺蟲(chóng)劑

　　residual insecticide 后效殺蟲(chóng)劑,滯留殺蟲(chóng)...

　　agricultural insecticide 農(nóng)用殺蟲(chóng)劑

　　soil insecticide 土壤殺蟲(chóng)劑

　　chemical insecticide 化學(xué)殺蟲(chóng)劑

　　poison insecticide 有毒殺蟲(chóng)劑

　　contact insecticide 接觸殺蟲(chóng)藥劑,觸殺劑...

　　bacterial insecticide 細(xì)菌殺蟲(chóng)劑

　　persistent insecticide 持久性殺蟲(chóng)劑,殘留性...

　　viral insecticide 病毒殺蟲(chóng)劑

　　insecticide resistance 抗殺蟲(chóng)性

　　microbial insecticide 微生物殺蟲(chóng)劑...

　　carbamate insecticide 氨基甲酸酯類殺蟲(chóng)劑...