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Fav十万个为什么
为什么雨点落在玻璃上留下的却是泥点？
雨点落在玻璃上留下泥点，主要是因为雨滴在下落过程中携带灰尘和污染物、雨滴的溅射作用以及玻璃表面的静电吸附。
1、雨滴在下落过程中携带灰尘和污染物：雨滴在形成和降落过程中，会吸附空气中的灰尘、尾气颗粒、轮胎摩擦释放的橡胶颗粒等污染物，这些物质随雨滴一起落在玻璃上，形成泥点。
2、雨滴的溅射作用：雨滴撞击玻璃表面时，会产生溅射现象，使原本集中在雨滴中的污染物扩散开来，形成更多的泥点。
3、玻璃表面的静电吸附：玻璃表面可能带有静电，这些静电会吸引空气中的灰尘和污染物，进一步增加泥点的形成。
总结：雨点落在玻璃上留下泥点，主要是因为雨滴在下落过程中携带灰尘和污染物、雨滴的溅射作用以及玻璃表面的静电吸附。
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