look at和see和look for有什么区别啊详细点!

look at和see和look for有什么区别啊详细点! see,look和look at 的区别 look for 和 look at 的区别 英语中的“look”和“look at”有什么区别? look into 和 look at有什么区别? look at 和 watch 有什么区别? look see watch 有什么区别,什么时候look后加介词at或for? look up 和look for有什么区别 watch,see,look at,look的区别和用法 see.look.watch.look at 的区别和用法 说明一下look,look at,see的区别和用法 look 和 look at 区别