Word: 公元 (gōngyuán) 公元 dictionary entry gōngyuán CE (Common Era); Christian Era; AD (Anno Domini) Full dictionary entry for 公元 Example sentences using 公元 2 sentences, showing page 1 of 1. 这座古塔建于公元五世纪。 Zhè zuò Gǔtǎ jiàn yú gōngyuán wǔ shìjì. This ancient pagoda was built in the fifth century CE. 这座古桥建于公元六百年左右。 Zhè zuò gǔ qiáo jiàn yú gōngyuán liù bǎinián zuǒyòu. This ancient bridge was built around 600 CE.