look through和look across有什么同?

look through和look across有什么同? look through和look across的区别 look through是什么意思?和get through有什么区别? look from the window和look through the window有什么不同. look through 和look over都能表示浏览吗?如果都能,有什么区别? look out of the window和look through the window有什么区别.（急!） across 和through有什么区别? look through和look over区别 look across to和look across的区别 LOOK和LOOK UP有什么区别? cut through.cut across .through.across都有什么区别? go through和go across有什么区别?