现在,多雨的深秋早已来临,只要同学们早上出门,家长就一定会叮嘱要注意多加衣服,因为俗话说“一场秋雨一场寒”喔。那为什么有这样的说法呢?这是因为一进入秋季,气候改变就很明显,这时天高云淡,风吹来觉得凉爽,不像夏天那样炎热。同时北方冷空气常常南下进入长江下游地区,与南 Now, the rainy autumn has already arrived. As long as the students go out in the morning, parents will definitely pay attention to more clothes, because the saying goes, “A fall and a rain is cold”. Why is there such a saying? This is because as soon as we enter the autumn, the climate change is very obvious. At this time, the sky is high and the sky is cold, and the wind is cool, not as hot as summer. At the same time, the northern cold air often goes southwards into the lower reaches of the Yangtze River,