一说到昆虫,我们马上就会联想到它们能飞。那么,它们能走吗?它们是怎样行走的呢?在自然老师的指导下,我们班的几个同学带着这些问题,进行了一次有趣的观察活动。 我们先找来一张不皱的纸,在蜡烛火焰上熏黑 (面积约五寸见方),平铺在桌子上,然后用镊子将一只步行虫和一只金龟子(? When it comes to insects, we think of them as soon as they can fly. So, how can they go? How do they walk? Under the guidance of the natural teacher, several of our classmates took these questions and conducted an interesting observation. We first got a piece of non-wrinkled paper, blackened on a candle flame (about five inches square), tiled on the table, then tweezers will be a pest and a beetle (?