这个怪模怪样的东西是什么?顶上是个圆锥,四周一圈方形板,下面还带着几个长圆筒,这不会是外星人考验我们智商的奇特飞行器吧?当然不是了,这可是出自地道地球人之手的高智商产物——“超声波灭虫仪”!啊,又是灭虫仪呀!看来这期大家都跟害虫过不去了,确实!近年来,随着农药、化肥、膨大剂、催熟剂等化学制品的广泛使用,不仅严重影响了食品安全,还污染了环境,同 What is this eccentric? Top is a cone, surrounded by a square plate, below with a few long cylinder, it will not be strange aliens to test our IQ aircraft? Of course not, but from the tunnel It is the pest control instrument! It seems that this period we all go with pests, indeed! In recent years, with the pesticides, fertilizers, Extensive agents, ripening agents and other chemical products are widely used, not only seriously affected the food safety, but also pollute the environment, with