Looking into the drawing room,she saw a scene of confusion over b_英语解答

Looking into the drawing room,she saw a scene of confusion over by her writing desk.
这里的over by怎么理解,怎么一下用了两个介词?

人气：250 ℃　时间：2020-04-16 01:12:17

解答

over,是副词,意思是到处
by 是介词,意思是在傍边
全句话意思是：她朝画室望去,看见她的画桌旁边全是一派混乱场面