| 例句 |
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。The farmer used insecticides to control the pests.农民使用杀虫剂控制虫害。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。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。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。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。 |