| 单词 | insecticides |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔BUSINESS〕I deal with farmers, selling them things like cattle feed and insecticides. 我与农场主做生意，向他们出售牛饲料及杀虫剂等东西。朗文写作活用〔control〕The farmer used insecticides to control the pests.农民使用杀虫剂控制虫害。韦氏高阶〔crop-duster〕A light airplane equipped for spraying crops with powdered insecticides or fungicides.农作物喷粉飞机：为给农作物喷洒粉末状杀虫剂或杀菌剂而装备的轻型飞机美国传统〔crop-dusting〕The process of spraying crops with powdered insecticides or fungicides from an airplane.农作物喷粉：从飞机上向农作物喷洒粉末状杀虫剂或杀菌剂的过程美国传统〔cross-resistance〕Some insects develop cross-resistance to insecticides.通过某些昆虫使交叉抗药性发展成为杀虫剂美国传统〔formic acid〕A colorless caustic fuming liquid, HCOOH, used in dyeing and finishing textiles and paper and in the manufacture of fumigants, insecticides, and refrigerants.甲酸，蚁酸：一种无色有刺激性气味的液体，HCOOH，用于染和加工纺织品和纸张，也用于制熏蒸剂、杀虫剂和致冷剂美国传统〔pure〕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。柯林斯高阶〔sabadilla〕The seeds of this plant used in insecticides and formerly in medicine.赛藜芦籽：以前做药用的植物的种子，现用作杀虫剂美国传统〔selectivity〕Newer insecticides are tending toward a high degree of selectivity.新型杀虫剂都倾向于具有高度选择性。英汉大词典〔spray〕Any of numerous commercial products, including paints, cosmetics, and insecticides, that are dispensed from containers in this manner.喷气式用品：一种商业产品，包括胸脂香粉、化妆用品、杀虫剂等，它们以这种方式从容器中分洒出来美国传统〔spray〕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。柯林斯高阶〔spray〕Confine the use of insecticides to the evening and do not spray plants that are in flower.杀虫剂只能在晚间使用, 而且不要喷在正值花期的植物上。外研社新世纪〔tumble〕I impatiently tumbled into my sack a conglomeration of books, clothes, matches, maps and insecticides.我急匆匆把书籍、衣服、火柴、地图、杀虫药等等一大堆东西统统扔进了麻袋。英汉大词典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。剑桥国际 |
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