在生活中,我发现了一个规律:无论大人还是小孩,都喜欢穿新鞋。这是因为新鞋看上去很有光泽。但是时间一长,鞋面会显得很脏,即使用布擦净,它也恢复不了最初的光泽,而用鞋油擦皮鞋倒是能使情况好转。于是,我对这个问题进行探究。我找来同款、同皮质的新旧两只皮鞋,进行对比观察。首先,我仔细摸两只皮鞋的鞋面,发现新皮鞋鞋面光滑得多。然后,我用放大镜 In life, I found a law: both adults and children, like to wear new shoes. This is because the new shoes look very shiny. But for a long time, the upper will look dirty, even with a cloth wipe, it can not restore the initial luster, but with shoe polish can make things better. So, I explore this issue. I got the same paragraph, the same old and new leather shoes, for comparative observation. First of all, I carefully touch the upper of two shoes and found that the new shoes are much smoother. Then I use a magnifying glass