唐代诗人钱起写有这么两句诗:“二月黄莺飞上林,春城紫禁晓阴阴。”竺可桢教授读后,觉得“二月黄莺”可疑。后来。他从物候学资料中查出,黄莺要在农历四月,才能到达诗句写的地区——长安。钱起怎么会写出这样的外行话来?竺教授进一步查证,发现古人常把“仓庚”误认作黄莺,也就是 Qian Tang, a poet of the Tang Dynasty, wrote such poems: “In February, Huang Fei flew to the forest, and in the spring city, the banned Yin was overshadowed.” After Professor Zhu Kezhen read it, he felt that “Huang Bing Huang” was suspicious. later. He found out from the phenology data that Huang Xi must arrive in April in the lunar calendar to reach the area where the verse was written—Chang’an. How can the money be written in such an outsider? Prof. Chung further examined and found that the ancients often mistaken “Cang Geng” as Huang Wei, that is,