The region is extremely unusual geologically, Royden says, because of the very steep slopes at the boundary between the Sichuan Basin to the east and the Tobetan plateau to the west.

罗伊登说，这个地区在地质上极其不寻常，因为在东部的四川盆地和西部的托比坦高原之间的边界上有非常陡峭的斜坡。

youdao

The first filesystem backend I'm targeting is an extremely unusual one: it's a CIFS backend.

我针对的第一个文件系统后端是一种极不平凡的文件系统：它是一种CIFS后端。

youdao

You might describe an extremely unusual situation, reveal a shocking statistic, or vividly portray an alarming problem.

你可能会描绘一个异乎寻常的场面，透露一个触目惊心的数据，或者栩栩如生描述一个耸人听闻的问题。

youdao

This is fairly unusual for plants, he says, and extremely unusual for animals.

VOA: special.2010.02.02

So he took an extremely unusual step for an American president.

VOA: special.2009.08.20

"It was not a single failure but an extremely unusual and complex multisystem emergency, " Rear Adm.

CNN: F-18 crash attributed to rare dual engine failure

But it is extremely unusual to wheel it out, as Baron Cohen has done, as a conversation opener.

BBC: Am I Sacha Baron Cohen's next target?

"It is extremely unusual for people in these ages groups to develop HUS, " the Health Protection Agency says.

BBC: Q&A: E. coli outbreak