look up
仰望；查阅；尊敬；拜访
同义词
参考例子
1.When he looked up, he saw the boss.
他抬起头时看到了老板。
2.Watson, look up and tell me what you see.
华同学，你往上看，告诉我你看到了什么？
3.It happened every time, someone would look up and see her.
每一次都会发生，总有一个人会先看见她。
英文解释
n.
1.an operation that determines whether one or more of a set of items has a specified property
2.seek information from
网络释义
look up
查找; 向上看; 抬头看; 查阅;
table look-up
一览表; 释义：查表(算),一览表; 一览表(指令)，查表，差表;
look sth up
(在词典，参考书等中)查找;
look sth up
查找; 查字典;
symbolic look-up
符号查找;