gǔ / dài / tiān / wén / xué / jiā / bǎ / zǐ / wēi / yuán / kàn / zuò / tiān / dì / jū / zhù / de / qū / yù古代天文学家把紫微垣看作天帝居住的区域。Ancient astronomers regarded the Purple Forbidden enclosure as the area where the celestial emperor lived.