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雾霾,真是一对恐怖分子。雾,经常出现在我们南京地区。它是由空气中的水蒸气遇冷而液化成的小水滴悬浮在离地较近的空气层中而形成的,就像是地上的云,一片白茫茫。根据每次出现的雾的不同特点可以把雾分成很多种类,有辐射雾、平流雾、蒸发雾、烟雾,等等。当然,它其实是有危害的。雾会使漂流在空气中的各种物质不易扩散,从而诱发人们例如感冒、哮喘等症状。这可苦了最近一直感冒加咳嗽的我了。
Haze, really a pair of terrorists. Fog, often appear in our Nanjing area. It is formed by the water vapor in the air and the liquefaction of small droplets of water suspended in the air layer closer to the ground and formed like a cloud on the ground, a vast expanse of white. According to the different characteristics of each occurrence of the fog can be divided into many types of fog, radiation fog, advection fog, evaporation fog, smoke, and so on. Of course, it is actually harmful. Fog will make drifting in the air of various substances is not easy to spread, thus inducing people such as flu, asthma and other symptoms. This can bother me recently had a cold and cough.