on which 和where区别

on which 和where用法不同。

where引导的定语从句表示地点，which也可以表示地点。区别在于where是副词，前面不能加介词，而which是代词，需要加介词。例如:例句:Where did you go to school?你是在哪里上的大学？

All the light bars were turned on which filled the room with these rotating beams of light

所有灯条都打开了，满屋都是旋转的光柱。