剑桥词典abbreviation for Common Era or Christian era : used when referring to a year after the birth of Jesus Christ when the Christian calendar starts counting years 公元（Common Era的縮寫） The Scandinavian countries became Christian between 900 and 1100 CE. 斯堪的納維亞國家在公元900至1100年間成爲基督教國家。 比較BCE AD 返回 CE