The year 841 BC,the first year of th e Gong he period,is an unshakable base point for calculation of the years both after it and before it.是什么意思_The year 841 BC,the first year of th e Gong he period,is an unshakable base point for calculation of the years both after it and before it.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句