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依据我国的气候规律,每年的四月底至五月份,华南地区已经步入初夏时节,但北方和长江中下游地区仍处于暮春阶段。暮春气候仍具有乍暖还寒的特点:一是气温日较差较大,即通常说的“早晚凉,中午热”;二是北方冷空气仍有一定的势力,活动仍较频繁,导致天气变化较多,这就是俗话说的“春天孩子脸,时时都在变”。对人体健康来说,暮春仍处于“多事之季”中,乍暖还寒的气候常常会诱发多种疾病(如精神病、
According to China’s climate laws, every year from the end of April to May, South China has entered the early summer season, but the mid-lower reaches of the north and the Yangtze River are still in late spring. Twilight climate still has the characteristics of turning warm and cold: First, the temperature difference between the larger, that is usually said, “sooner or later cool, noon heat”; second is the northern cold air still has some forces, activities are still more frequent, Resulting in more changes in the weather, which is the saying goes “Spring child face, always changing ”. In terms of human health, late spring is still in the “season of many things,” and the warm and cold climate often causes many diseases (such as mental illness,