由于化学杀虫剂会严重污染环境,世界各国科学家便纷纷另辟蹊径,寻找新型的绿色杀虫剂。日本科学家捷足先登,最近宣布他们已经发明了一种“冷冻杀虫剂”。所谓“冷冻杀虫剂”即是能使害虫冻死的杀虫剂,并非以冰制成,其基本原理是通过降低害虫的抗寒耐冻能 As chemical insecticides can seriously pollute the environment, scientists from all over the world have taken another look at new green pesticides. Japanese scientists made the first move, recently announcing that they have invented a “frozen pesticide.” The so-called “frozen insecticide” is to make pests freeze insecticide, not made of ice, the basic principle is that by reducing the pest’s cold and freeze-resistant energy