题目内容：

look up ,look for ,look ove r,look at的区别
look up,look for,look over,look at的区别

优质解答

look up （ 在字典中）查 look up the word in the dictionarylook for 寻找 I am looking for my pen.look over (医生)检查 The doctor looked over the boy carefully.look at 看 Look at the boys.They are playi...