look through中的through是什么词性

look through中的through是什么词性 go through 中的through是什么词性 Look through the window.其中的through是什么词性? I have had a look through your Facebook.其中的look through是什么词性 look through 中的through 是 副词还是介词 比较go through get through look through Get through/Look through是什么意思 英语 through词性 用法 帮忙看看以下英文中的 attached / run through是什么词性和解释, through look up 与look through 像look it up和look through it之类的短语中的it的放置位置的依据是什么