Mark was condemned to do most of the work.马克被迫承担大部分工作。Mark was out of earshot, walking ahead of them.马克走在前面，听不见他们的声音。He did well to get such a good mark.他表现不错，得了这么高的分数。...
Iran remains an enigma for the outside world.对于外界而言，伊朗仍是个谜。Iran reopened its embassy in London.伊朗在伦敦重开使馆。Jim has been sent to Iran to report on the situation there.吉姆已被派往伊朗报道那里的局势....