柯林斯詞典pesticide /?p?st??sa?d/ (pesticides) 1. N-MASS Pesticides are chemicals that farmers put on their crops to kill harmful insects. 殺蟲劑 返回 pesticide劍橋詞典a chemical substance used to kill harmful insects , small animals , wild plants , and other unwanted organisms 殺蟲劑，辳葯 The pesticides that farmers spray on their crops kill pests , but they can also damage people's health . 辳民在作物上噴灑的辳葯在殺死害蟲的同時也會危害人們的健康。 比較herbicide insecticide 返回 pesticide