冬天來了，天氣變冷了，你知道冬天的天氣是怎么樣形成的呢?冬天同樣包括水圈的相互作用，如果沒有限定的條件，人們對于氣候的理解就是地球的天氣。我們一起看看下面這篇冬天的天氣的英語作文吧。
　　The weather in winter is a set of all the phenomena in a given atmosphere at a given time. It also includes interactions with the hydrosphere. The term usually refers to the activity of these phenomena over short periods (hours or days), as opposed to the term climate, which refers to the average atmospheric conditions over longer periods of time. When used without qualification, weather is understood to be the weather of Earth.