她每天训练六小时，为参加下个月的铁人三项赛做准备。

She trains six hours every day to prepare for the upcoming ___Ironman triathlon.

尽管受伤了，他仍然完成了马拉松，真是个铁人。

Despite being injured, he still finished the marathon—what an ___Ironman!

钢铁侠是我最喜欢的超级英雄，因为他既聪明又勇敢。

___Ironman is my favorite superhero because he is both intelligent and brave.