Question

where引导从句的用法,具体介绍一下.

Answer 1

where可以代替in/on which 引导地点定语从句。

例如：Let's meet at the gate where you can see the panda.我们在能看到大熊猫的那个大门见面吧。

She is teaching at the university where her mother once studied.
她在她母亲曾经学习过的大学执教。

This is the birdge where you took photos.
这是你照相的那座桥。

还可以引导：
主语从句，宾语从句，介词后的宾从，形容词后宾从，表语从句，同位语从句，地点状语从句

用法有点多，可以参考一下课本或语法书。

Answer 2

定语从句：
在句子中起定语作用的从句叫做定语从句。定语从句所修饰的词叫先行词，包括名词，代词和动名词。由哪种关系词引导出的定语从句由先行词决定。
where可以代替in/on which 引导地点定语从句。

例如：Let's meet at the gate where you can see the panda.我们在能看到大熊猫的那个大门见面吧。

She is teaching at the university where her mother once studied.
她在她母亲曾经学习过的大学执教。

This is the birdge where you took photos.
这是你照相的那座桥。

Answer 3

关系副词where引导定语从句