a book, film, or play that continues the story of a previous book, etc.

I'm reading the sequel to "Gone with the Wind". 我正在读《飘》的续集。

an event that happens after and is the result of an earlier event

There was a dramatic sequel to last Thursday's scandalous revelations when the minister suddenly announced his resignation. 部长突然宣布辞职，上星期四的丑闻曝光便有了戏剧般的结局。