江苏历来人文荟萃、名医辈出。苏州的吴门、常州的孟河、淮安的山阳、江阴的龙砂……望闻问切，一把药草、几根银针 ...

From VOA Learning English, this is the Technology Report. Movie fans know that their action hero Superman does not really fly. And, in the movie Superman Returns, another visual trick is played on ...