Crashes are not uncommon in Papua province where light aircraft, must navigate soaring mountains covered with impenetrable jungle.

VOA: standard.2009.08.02

Now it's not uncommon, by the way, for laboratory animals in these studies to triple their body weight.

顺便说下,在实验室,让动物体重变成普通的三倍,并不罕见

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

and that's not... that's really not uncommon.

而且那个……还挺普遍的。

电脑图片的魅力 - SpeakingMax英语口语达人

But Kian is not alone. Researchers say it's not uncommon for journalists who cover traumatic events - like 9/11, Haiti or the Iran elections - to experience high levels of emotional and psychological distress, even long after the immediate danger has ended.

VOA: standard.2010.07.01

Valvular disease is not uncommon in the world; we'll talk about that a little bit.

心脏瓣膜疾病在世界上是一种常见的疾病,我们会讲到一些相关的内容

耶鲁公开课 - 生物医学工程探索课程节选

And while drivers and passengers alike in large motor homes are supposed to keep their seat belts fastened on the road, it's not uncommon to find someone in back reaching for cold refreshments, spreading maps out on a table - even taking a nap, fully reclined!

VOA: standard.2010.03.01

That was not an uncommon way to talk about someone who was supposed to be great.

用这种办法体现一个人的伟大,并不少见。

耶鲁公开课 - 新约课程节选

but it's still, it's not that uncommon for people to have, spend an extra year at college because of

但是在大学多念一年也没什么不平常的，因为

五年级 - SpeakingMax英语口语达人