After the unification of China by Qin Shi Huang, the development of farming boosted the astronomic observation and calendar timing to a higher level.是什么意思_After the unification of China by Qin Shi Huang, the development of farming boosted the astronomic observation and calendar timing to a higher level.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句