look upon和look up有什么区别 意思 用法
LOOK UP: 查阅例句与用法: 1. Inflation is coming down; unemployment is coming down; things are definitely looking up! 通货膨胀正在缓解，失业情形正在改善，形势确实已好转！ 2. Do look me up the next time you're in London. 你下次到伦敦, 务必来找我. 3. She looked up (from her book) as I entered...