一千年用英文怎么说

"一千年"用英语可以说作 "a thousand years"。

其来源是由数字"一"（one）和"千"（thousand）组合而成。

例句1:
It's been a thousand years since I last saw her.
(自从我上次见到她已经过去了一千年了。)

例句2:
I promise to love you for a thousand years.
(我保证爱你一千年。)

例句3:
The kingdom has stood for a thousand years.
(这个王国已经建立了一千年。)