look something up则表示“查字典，查阅资料”，例如：If you want to know how a word is used, look it up in a dictionary.如果你想知道一个词是怎样用的，就去查 …
look someone up. phrasal verb with look verb uk / lʊk / us / lʊk /. informal. to visit someone you have not seen for a long time when you are visiting the place …
LOOK STH UP的意思、 解释及翻译：to look at a book or computer in order to find information: 。了解更多。
look up sth还是look sth uplook sth, up才对，而且sth,如果是人称代词，需要用宾格。.
LOOK UP的意思、解释及翻译：1. to become better: 2. to try to find a piece of information by looking in a book or on a…。了解更多。
更多内容请点击：look up something和look something up有何区别啊? - 百度知道 推荐文章