mil·len·ni·um
noun/mɪˈleniəm/
/mɪˈleniəm/
(plural millennia
/mɪˈleniə/
/mɪˈleniə/
, millenniums)- a period of 1 000 years, especially as calculated before or after the birth of Christ
一千年，千年期（尤指公元纪年） - the second millennium AD
公元第二个千年 - For millennia, it was accepted that the earth was at the centre of the universe.
几千年来，人们普遍认为地球是宇宙的中心。
- the second millennium AD
- the millenniumthe time when one period of 1 000 years ends and another begins
千周年纪念日；千禧年 - How did you celebrate the millennium?
你们是如何欢庆千禧年的？
- How did you celebrate the millennium?
Word Originmid 17th cent.: modern Latin, from Latin mille ‘thousand’, on the pattern of biennium.