When he looked up, he saw the boss.他抬起头时看到了老板.
I have looked it up in the encyclopedia.我已经在百科全书中查到它了.
He looked up his old friends during his stay in London.他在伦敦逗留期间看望了老朋友们.
When he looked up, he saw the boss.他抬起头时看到了老板.
I have looked it up in the encyclopedia.我已经在百科全书中查到它了.
He looked up his old friends during his stay in London.他在伦敦逗留期间看望了老朋友们.