皮鞋为什么会发亮？同学们可能说是上了鞋油的原因．其实，仅上了鞋油，皮鞋并不会发亮，而要用鞋剧或布块反复擦拭后才发亮．这又是为什么呢？皮鞋的表面看似平整，其实在显微镜下观察是起伏不平、坑坑洼洼的，当光照在皮鞋上时，发生漫发射，因此看起来就不发亮．打上鞋油后 Why do leather shoes shine? The students may be saying that it was the reason for the shoe polish. In fact, only the shoe polish, leather shoes and will not shine, but to use shoes or cloth repeatedly wipe after shining. This is why? The surface of the shoes looks smooth. In fact, the observation under the microscope is undulating, pitted, and when the light shines on the shoes, diffuse emission occurs, so it does not look bright. After shoe polish