Dioxins are of concern because of their highly toxic potential.

二恶英之所以引起关注是因其具有非常大的潜在毒性。

youdao

"Nitrogen oxides in particular are of concern," he says, because they can destroy ozone.

他说，“尤其要注意氮氧化物”，因为它们可以破坏臭氧层。

youdao

I am certainly aware of the criticality of support of the American people for this war and in fact any war. And certainly the Numbers are of concern.

我当然知道美国人民对这场战争的支持，事实上对任何战争的支持，都是至关重要的，因此这些数据当然值得关注。

youdao

And certainly the numbers are of concern." But Mullen emphasized the administration has a new strategy in place in Afghanistan,and is moving forward.

VOA: standard.2009.08.23

They are creatures of majesty and dignity And they are of importance to, objects of concern for, the god who has created them.

他们是庄严而有尊严的生物,他们也非常重要，是关怀的对象，被那些创造他们的上帝关怀。

耶鲁公开课 - 旧约导论课程节选

Are there certain parts of the diet that should be the focus of our concern?

是不是饮食中的某些特定成分,才应该成为我们关注的焦点呢

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"These reports are of concern, " deputy US State Department spokesman Adam Ereli said of the information contained in the Alamoudi case.

BBC: Crown Prince Abdullah

People are leaving those areas that are of concern and we're working hard to make sure that they have a place to go.

FORBES: President Speaks After FEMA Briefing

Accountability is only one area among many which are of concern.

ECONOMIST: Letters | The