It means that Trent Bridge wicket is more inclined to seam and swing which will favour the England bowlers who are more used to those conditions. As Mike suggest above you should watch and understand cricket before you criticize the game and it's followers.
The girls you saw practising bowling are in all likelihood our World Champions, England Ladies team. Yes, our women are good at this game too!
Still can't figure out why Cook is having such a lot of trouble batting against Sharma. This is a man who was smashing regular 50's barely weeks ago.