But Dr.Chan says it is always better to err on the side of caution when dealing with public health issues.

VOA: standard.2010.01.18

who was refuted by Dr. Johnson who kicked a stone and leaped away in terrible pain saying, "I refute it thus."

约翰逊先生反对理想主义者，他踢开一块石头,跳开到很远，一副痛苦不堪的样子，说，“我这样来反驳“

耶鲁公开课 - 文学理论导论课程节选

And it took Dr. Penfield at McGill University to do the same thing with people.

而麦吉尔大学的彭菲尔德教授,则在人类身上进行相同的实验研究

耶鲁公开课 - 心理学导论课程节选

Dr.Redd says and he expects it to be the dominant flu virus in the southern hemisphere in the coming flu season.

VOA: standard.2010.04.29

It's reasonable, I think, to invoke Dr. Johnson here, Samuel Johnson, who writes in his Life of Milton that Milton's unskillful allegory appears to be one of the greatest faults of the poem.

我认为在这引用塞缪尔·约翰逊的话是很合理的，他一生都在写关于弥尔顿的文章,他指出弥尔顿不熟练的寓言成为了这部诗的大败笔之一。

耶鲁公开课 - 弥尔顿课程节选

Dr.Paul Offitt of Children's Hospital of Philadelphia says it is time to move on and find the real cause for autism.

VOA: standard.2010.03.23

a perfectly spherical shell dr at some distance, thickness, d r, dr we talk about it as 4 pi r squared d r, so we just multiply that by the probability density.

在某个地方的完美球型壳层,厚度，我们把它叫做4πr平方，我们仅仅是把它,乘以概率密度。

麻省理工公开课 - 化学原理课程节选

So,having legal abortion helps." But Dr.Sheriar says it is not enough to just give women the right to a safe abortion.

VOA: standard.2010.06.24

Dr.Yasser Ousman at Washington Hospital Center prescribes it for some pre-diabetic patients or those in the early stages of diabetes.

VOA: standard.2010.03.02

Dr.Chan urges the international community to do everything it can to help developing countries from bearing the brunt of disease pandemics.

VOA: standard.2009.05.18

Dr. William Abraham of Ohio State University "It has been a decade since we have seen a trial this positive."

VOA: standard.2010.06.04

And it's people like Gladys Jaxa, says Dr.Marcos Espinal of the Stop TB Partnership, who would benefit.

VOA: standard.2010.07.12

By the time they go to a clinic for malaria treatment, Dr.Rwagacondo says it is often too late.

VOA: standard.2009.04.25

It currently recommends But many experts,including Dr.Irwig, recommend adults take 1,000 to 2,000 units a day, an amount only possible to get though supplements.

VOA: standard.2010.05.28

Dr.Damiano says the system is not a cure, but it is the next best thing.

VOA: standard.2010.04.15

Dr.Wijeysundera says changes in lifestyle and behavior had a lot to do with it.

VOA: standard.2010.06.04

Dr.Auwater thinks he consumed it too, simply by drinking the water.

VOA: standard.2010.06.09

that it was really a mild pandemic. Dr.Redd disagrees.

VOA: standard.2010.04.29

Dr.Sweetness Siwendu treats TB patients at Site C Clinic: "It would be really great if we could have a vaccine - and if not, then at least be able to diagnose TB as soon as possible - preferably within the same day."

VOA: standard.2010.07.12

Though funding from the IMF,the World Bank, the United States and other donors has made it possible to subsidize treatment and prevention methods in Africa, Dr.Rwagacondo says that local governments also have a key role to play in mobilizing their populations and eradicating malaria in the long term.

VOA: standard.2009.04.25

Some want an independent review. And the trial's researchers, like Dr.Nelson Michael, of the Walter Reed Institute of Research in the United States, say it's unclear what difference the findings will make for areas like Africa where rates of HIV/AIDS are much higher than among the test population and where there are many strains of the virus.

VOA: standard.2009.10.20