名詞 millennium:

1. a span of 1000 years
   同義詞：millennium, millenary
2. (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
   同義詞：millennium
3. the 1000th anniversary (or the celebration of it)
   同義詞：millennium, millenary

1. In the course of millennia the dinosaurs died out.
   在幾千年的時間里，恐龍逐漸死絕了。