look 和look at有什么区别？你能说出来几点？

look和lookat区别 look same和look the same的区别 look down on和look downupon区别 look 和see的区别 look for和find区别 look for 和find和find out的区别 look here 和look at here的区别 look out of和look out for的区别 look me和look at me的区别 look like和looks like有什么区别 look 和look at有什么区别？你能说出来几点？