您具体是想问什么?
我随便举两个例子您看看.

同位语从句：
The news that he won the game is exciting.
他赢得比赛的消息很激动人心.
the news 和 he won the game 是同位语.

where引导的定从：
This is the city where I grew up.
这是我长大的城市.

不懂问我,希望对您有帮助,南无地藏菩萨!