With specially cooled tracks and racing equipment, it is not unusual for luge athletes to reach speeds of one hundred forty kilometers an hour or more.

VOA: special.2010.02.10

This is after the man from the filling station has given Haze some gas and not charged him for it, a very unusual act of kindness in this novel.

这是在一个加油站男人给了海斯一些汽油后,且没有向他要钱，这是在这部小说中非常少见的善行。

耶鲁公开课 - 1945年后的美国小说课程节选

Now, the reason we're going to wait until next week is the first concept sheet is unusual in that it's not just you writing about whatever you want, but it's writing about your dietary analysis.

好了,要等到下周再发的原因是,第一篇论文有个特别之处,你不仅要把想法写下来,还要写你的饮食分析

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So it is not unusual that many popular expressions come from baseball.

VOA: special.2009.04.12

Iranian and U.S.diplomats were aware of one another's presence at the Moscow conference, but said it is not unusual for them to attend the same international forums.

VOA: standard.2009.03.27

The university is unusual. It not only provides laptop computers to all seven thousand of its full-time students.

VOA: special.2009.09.03

Martian methane is also unusual because it is not evenly spread over the planet.

VOA: special.2009.12.30