求翻译：　　1952年12月5日开始，逆温层笼罩伦敦，城市处于高气压中心位置，垂直和水平的空气流动均停止，连续数日空气寂静无风。当时伦敦冬季多使用燃煤采暖，市区内还分布有许多以煤为主要能源的的火力发电站。由于逆温层的作用，煤炭燃烧产生的二氧化碳、一氧化碳、二氧化硫、粉尘等气体与污染物在城市上空蓄积，引发了连续数日的大雾天气。期间由于毒雾的影响，不仅大批航班取消，甚至白天汽车在公路上行驶都必须打开大灯。是什么意思？

December 5, 1952 began, the inversion layer shrouded London, the city is the center of high pressure, vertical and horizontal air flow were stopped, the air silence for several days without wind. London was more use of coal-fired heating in winter, there are many urban areas but also the distributio

December 5, 1952 temperature inversion, began to loom over London city center location, in a high pressure air flows of both horizontal and vertical stop for several days without wind air silence. At that time many London winter heating use coal in the urban areas, there are also many with coal as t

On December 5, 1952 started, the inversion layer covered London, the city is in the high pressure center position, vertical and the level air transport stopped, consecutive number date air silent calm.At that time the London winter multi-use coal-burning heated, in the urban district also distribute

December 5, 1952, the inversion layer over London, the city in a high pressure center position, vertical and horizontal flows of air are stopped, silent wind the air of several days in a row. Greater use of coal-fired heating in winter in London at that time, also distributed in the urban areas have