1. The marathon race is a grueling event that covers a distance of 42.195 kilometers, equivalent to about a hundred miles.
马拉松比赛是一项艰辛的活动，全程距离为42.195公里，相当于大约一百英里。

2. It's amazing how a hundred years can bring so much change and progress to a society.
令人惊讶的是，一百年间可以给一个社会带来如此多的变化和进步。

3. She won a scholarship that would cover her tuition for a hundred percent of her college expenses.
她赢得了一笔奖学金，可以全额覆盖她大学的学费。