这座山城时常下雨，要么就是雨雾蒙蒙。如今，这里与古代的唯一区别是，掩盖了摩天大楼屋顶的水汽参杂了今天的雾霾。
It is always raining, or about to rain, in the mountainous city; the only difference from ancient times is that now the fog, mixed with smog, obscures the tops of the skyscrapers.
如今，这里与古代的唯一区别是，掩盖了摩天大楼屋顶的水汽参杂了今天的雾霾。
the only difference from ancient times is that now the fog, mixed with smog, obscures the tops of the skyscrapers.
虽然与雾霾中的其他成分相比，花粉所占比例较低，但这也部分地解释了为什么雾霾让我们感觉不舒服，因为很多人对花粉过敏。
Though the number is low compared with other ingredients of smog, it may partially explain why smog makes us feel uncomfortable because many people are allergic to pollen.
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