Until now scientists had very little clear evidence about the drug's role in preventing more serious effects of infection.

到目前为止，科学家们几乎没有该药物在防止更严重的感染后果的功能的明确证据。

《柯林斯英汉双解大词典》

youdao

There is clear evidence that the most difficult feeling of all to interpret is bodily pain.

有明显证据表明，最难以描述的感受是来自于身体的伤痛。

youdao

The group of now extinct humans known as Neanderthals did not leave clear evidence of being musical.

VOA: special.2009.08.18

And as a result of writing it down and keeping track, he produced a very clear record, and scientific evidence, that using this procedure could protect a population of people from the disease.

凭借他的持续关注和追踪,他做出了十分清晰的记录,留下了科学证据,证明这种方法,可以让人们不再得这种病

耶鲁公开课 - 生物医学工程探索课程节选

He says there is clear evidence of the kinds of policies and programming interventions that can be most effective in combating the problem.

VOA: special.2010.05.17

But also a very persistent one, despite there being clear evidence that it is not.

FORBES: Management myths

That would mean clear evidence about Vytorin's safety and effectiveness might never be obtained.

FORBES: Magazine Article

Back-to-back summers of devastating droughts, record heat waves and raging wildfires are clear evidence of this.

FORBES: Wild Weather A New Normal And Insurance Companies Must Act