英语中的“look”和“look at”有什么区别?

英语中的“look”和“look at”有什么区别? 请问英语中的look和look at有什么区别啊?如题, look 和 look at 区别 英语中的look up和look though是啥意思? 英语中的look up和look though是啥意思? 谁知道Look和Look at的用法! Look和Look at的用法! look 和look at 的区别 look和look at的区别 look 和 look at 的区别 see,look和look at 的区别 look at和look on的区别 look on和look at区别 大家帮我看看英语look for,look like和look at 等等的意思像look for,look like和look at这些一类的英语词组,帮我列举几个,越多越好, look at Look at look at look at