These results provide support for researchers' prediction that naltrexone will turn out to be toxic to certain types of bacteria.

这些结果支持了研究人员的预测，即纳曲酮对某些类型的细菌是有害的。

youdao

Scientists say both studies demonstrate that certain parts of the ecosystem respond rapidly to reductions in atmospheric pollution, but that these findings should not be used as a license to pollute.

科学家称这两项研究都表明，生态系统的某些部分对于大气污染的减少反应迅速，但这些发现不应该成为允许污染的理由。

youdao

They can just be symptoms of a sleep disorder that can result from an unpleasant experience, stress, or certain drugs.

它们可能只是睡眠障碍的症状，可能是由不愉快的经历、压力或某些药物引起的。

youdao

"Well, we know that it could be genetic. And we know that there are certain families where there is a high incidence of fibromyalgia in three generations.

VOA: special.2011.07.26

That is to say, theory has certain ambitions to a totalization of what can be thought that resembles or rivals philosophy.

也就是说，理论探讨的问题,与哲学相似或相媲美,而且倾向于把它完整化。

耶鲁公开课 - 文学理论导论课程节选

A Christmas tree, in other words, is a sign that can only be understood intelligibly in terms of a certain cultural understanding.

也就是说，它仅仅用于，也仅仅在一定的文化背景中,才能有意义，被理解。

耶鲁公开课 - 文学理论导论课程节选

And absent those fuel efficiency standards, we know that we would be paying for that oil, and we would be paying for a certain portion of that we would be paying foreign providers of that oil.

WHITEHOUSE: Press Briefing

In fact, in most of the deals undertaken by the stranger, the one thing that he can be certain of is that, when the time comes to pay, the price which has been definitely agreed upon has for one very plausible reason or another been increased.

NPR: Cracking the China Market, Then and Now

My prediction is that it will probably come in June but I can't absolutely be certain of that and my prediction is that I know that we can win and my prediction is that we'll now pull together and we'll do enough to win but I know certainly that we can.

BBC: News Online