In Africa, there are two doctors for 10,000 people.

VOA: standard.2009.05.21

We've gotten, over the last two decades in particular, very sophisticated about taking pictures inside the body allowing doctors to look inside the body and predict things about our internal physiology that they couldn't predict just by looking at us or putting their hands on us.

特别是在近二十年当中,我们对体内造影已经十分熟悉,它使医生能够看到身体内部,并预测我们体内的生理变化,而仅仅是通过,视诊或者触诊是不能预测这些变化的

耶鲁公开课 - 生物医学工程探索课程节选

And runners proved the doctors and scientists-- proved that they were right and ran the mile in two seconds and 4 minutes, one second, but no runner could run the mile in under 4 minutes, ever since the mile was actually timed-- when they started to time runs.

跑手们证明了医生和科学家…,证明了他们是对的,一英里跑四分钟两秒，四分钟一秒，但没有跑手能少于四分钟，从一英里跑计时以来-,当人们开始计时跑时。

哈佛公开课 - 幸福课课程节选

In nineteen eighty-three, he began to study more than twenty-two thousand healthy male doctors over forty years of age.

VOA: special.2009.10.20

Doctors used a catheter and placed two mesh tubes, called stents, into a blocked artery to help keep it open.

VOA: special.2010.02.17

Even better,doctors say, drink about two liters of water a day so problems with dehydration will not have a chance to develop.

VOA: special.2010.07.27

Doctors say tissues and organs begin to cook when the body's temperature is higher than forty-two degrees Celsius.

VOA: special.2010.07.27

For example, in two thousand seven, doctors in the Washington area said a boy died when a tooth infection spread to his brain.

VOA: special.2009.03.11

Even better, doctors say, drink about two liters of water a day so problems with dehydration will not have a chance to develop.

VOA: special.2011.08.09

Deep brain stimulation begins by doctors drilling two small holes in the head of the patient.

VOA: special.2009.02.03

Two months later, the doctors warned the Cabinet and Vice President Arthur that Garfield was dying.

VOA: special.2010.04.22

For example,in nineteen eighty-seven, he led a team of seventy doctors and nurses in an operation to separate two babies joined at the head.

VOA: special.2009.09.04

For children under two, doctors are advised against it if there is: Normal mental activity.

VOA: special.2009.10.28

The brothers are raised by two Indian doctors who live at the hospital.

VOA: special.2010.01.01

The work of the two women doctors was accepted slowly in New York.

VOA: special.2010.09.12

In two thousand five, doctors used medical imaging tests to examine his remains.

VOA: special.2009.12.15

In January,two thousand two, doctors discovered that Eppie Lederer had multiple myeloma.

VOA: special.2011.04.24

In nineteen fifty-two, doctors confirmed his worst fears.

VOA: special.2010.06.20

This helicopter crew knows that. Doctors say these patients need to get medical care within two hours for the best results.

VOA: standard.2010.04.18