come back from和back from存在吗

come back from和back from存在吗 come back from和go back from存在吗? come back from playing I just come back from I juct come back from 用come back from造句 英译汉:come back from work My uncle (just come)back from Japen _will your father come back from London? 1.-John hasalready come back from China. Come back from a loss,beat the where do the birds come back from?