It was an unbelievable moment when Chris won the gold medal.克里斯赢得金牌的那一刻令人不可思议。Theresa Zabell ran away with the women's gold medal.特雷莎·扎贝尔轻松获得了女子金牌。An Olympic gold medal is the most sought-after prize in world sport....
我为你所做的一切都是免费的，无偿的，你明白吗？What I did for you was free, gratis, you understand?他既挣了钱，又做了免费的广告！He is making money and receiving free advertising to boot!医疗保健在实际提供点仍然是免费的。Medical care is still free at the point of use ....
The backtracking mechanism is an important facility for programming in logic.回溯机制是逻辑程序设计的重要设施.Fortran is perhaps the most widely used high level programming language.Fortran语言可能是用得最广的高级程序设计语言.This essay introduces generi...