the act of doing or saying something again

His books are full of repetition. 他的那些书都是在翻来覆去写同样的东西。

something that happens in the same way as something that happened before

We want to prevent a repetition of last summer's fires, which destroyed more than 500,000 acres of land. 去年夏天的火灾毁了超过50万英亩地，我们要防止此类火灾再次发生。