n. a span of 1000 years
n. (New Testament) in Revelations it is foretold that those faithful to Jesus will reign with Jesus over the earth for a thousand years; the meaning of these words have been much debated; some denominations (e.g. Jehovah's Witnesses) expect it to be a thousand years of justice and peace and happiness
n. the 1000th anniversary (or the celebration of it)
n. 千禧年, 一千年
1. The new millennium began in the year 2000.
新千年始于2000年。
2. Many people celebrated the millennium with big parties.
很多人通过盛大的派对庆祝千年到来。
3. The millennium marks a significant change in history.
千年标志着历史上一个重要的变化。