look - up是幾年級學的

look up是八年級學的

基本解釋：向上看改善拜訪（某人）查找

例句：Third it is very complex to look up the characters in a dictionary .

原因三：即使在字典中查漢字也是非常複雜

Head for the 2600 block of lemoyne avenue and look up .

走向勒莫因大道2600號大樓，抬頭看看。