【正确答案】正确答案： The twenty-four solar terms is a unique component and creative invention of the Chinese traditional calendar, which originates from the Yellow River area. It was used to indicate the alternation of seasons and climate changes in ancient China. The establishment of solar terms reflected our ancestors' knowledge about climate changes during their long history of farming activities. Over years, it has played an important role in China's agricultural and animal husbandry production—even to this day.

【答案解析】解析：1．第一句由两个分句组成，主语是“二十四节气”，这里将“起源于……”处理为从句形式。 2．汉语多重复。第二句中再次出现了“二十四节气”，可以用It来指代，“人们常用……来表示……”可以译为Itwas used to indicate…。 3．翻译第三句时，首先要梳理出句子的主干部分，即“节气的制定是……的结果”，所以可以译为The establishmentof solar terms was the result of….译文中，将“……的结果”转译为reflected，即“反映了……”。 4．最后一句中，主语“二十四节气”同样处理为it，更简洁。