| 释义 |
AD (BrE) (NAmE also A.D.) BrE /ˌeɪ ˈdiː/NAmE /ˌeɪ ˈdiː/ abbreviationused in the Christian calendar to show a particular number of years since the year when Christ was believed to have been born (from Latin 'Anno Domini') 公元（源自拉丁语 Anno Domini）◆in (the year) AD 55 公元 55 年◆in 55 AD 公元 55 年◆in the fifth century AD 公元 5 世纪 ➡ compare AH, BC, BCE, CE |