Wemadetheroomlooknicerby(puttingsomepostersuponthewall).请问这里的upon是连在一起用的吗?如果不是,那么不用up呢：Wemadetheroomlooknicerby(puttingsomepostersonthewall).为什么,相同用法有例句最好

Question

We made the room look nicer by (putting some posters up on the wall).
请问这里的up on是连在一起用的吗?
如果不是,那么不用up呢：We made the room look nicer by (putting some posters on the wall).
为什么,相同用法有例句最好了～

Answer 1

put up:张贴 on the wall在墙上 一个都不能少 We made the room look nicer by (putting some posters on the wall).意思成了；我们放了些海报在墙上,让房间好看了点.