refer to和look up的区别

问题描述:

refer to和look up的区别
We should own an English dictionary which we can_____if we meet new words
为什么选refer to不选look up?
怎么区别?

refer to 参考 宾语一般是 参考书 或者辞书
look up查字典 一般 接宾语 一般接WORD(一个单词)