单词:ultrasonic blood flow meter
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[00:03.84]第四部分 在泌尿科门诊 [00:07.68]1.How long has this been going on? [00:21.00]这种情况有多久了? [00:34.32]2.Does it hurt when you pass water? [00:47.95]小便时有痛感吗? [01:01.57]3.How often do you usually pass water? [01:12.15]你通常每天小便
Clinton Recovering From Blood Clot In Her Head Charles Eyler knows all about blood clots. Hes had two. Theyre painful, I mean really painful. Really bad pain, Eyler said. And now, Secretary of State Hillary Clinton has her second blood clot. The firs
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For decades, scientists have used an imaging technique called functional magnetic resonance imaging, or fMRI, to chronicle the brain in action. But a stu
What Causes A Lump In Your Throat? Oftentimes when we cry, we feel a lump in the throat. Does a lump actually form, or is there some other explanation? 图片1 Explanation The lump-like thing we feel when overcome by emotion has to do with how the ne
Why Does Altitude Cause Headache? Mountain climbers face many dangers as they brave the cold winds and icy slopes and jagged cliffs of the peaks they climb. But one of the most serious dangers they face is all in their headsliterally. Why does altitu
Its called functional magnetic resonance imaging, or FMRI. And some neuroscientists call it the greatest scientific advance of the last 25 years. Because FMRI lets researchers look at the human brain in action. By measuring blood flow, it produces co
VT tidal volume 潮气容积 TLC total lung capacity 肺总量 VC vital capacity 肺活量 IC inspiratory capacity 深吸气量 ERC expiratory reserve capacity 补呼吸量 RV residual volume 残气容积 FRC functional residual capacity 功能残气量
Doctors Achieve Milestone Using Artificial Heart With No Beat In March, two doctors at the Texas Heart Institute in Houston achieved what medical experts call a major milestone by implanting a continuous-flow artificial heart in a human patient. The
Researchers have identified a link between dementia and the brain damage that can occur in older people with high blood pressure and other forms of cardiovascular disease. High blood pressure, high cholesterol, and other conditions that affect blood
It seems like from the time we are very young women are affected in some way by the monthly cycle. For young girls it is through our older sisters, cousins, aunts, and female relatives where we see the effects of menstruation, in how they change thei
A technology company is developing a lie detector app for smartphones that could be used by parents, teachers - and internet daters. 一家科技公司正在研发一款面向智能手机用户的测谎软件,家长、教师甚至线上约会者都可
HEALTH REPORT - Scientists Find New Clue about Acupuncture By Jerilyn Watson Broadcast: Wednesday, March 17, 2004 This is the VOA Special English Health Report. A Chinese book on the ancient practice
HEALTH REPORT - Study Suggests Laughter Is Good for the Heart By Cynthia Kirk Broadcast: Wednesday, May 25, 2005 I'm Gwen Outen with the VOA Special English Health Report. Study says: laughter is the
Vibrating gloves will soon replace the white cane to help blind people see their surroundings. 不久的将来,振动手套将取代盲杖帮助盲人看见周围的环境。 This is the prediction of a British team who has developed a prototype gl
It's hard to teach a robot to sew. 教机器人缝纫是非常困难的。 Robots are good at handling materials that are rigid and easy to lift, cut and maneuver. 机器人擅长处理易于拿起、剪切、调转的硬质材料。 But it's a diffe
英语特殊结构的句型比较固定,在纷杂的英语句子中找出一些普遍性和代表性的规律,对理解或翻译颇有裨益。在尊重汉语习惯表达方式的前提下,如何将英语特殊结构译成准确的汉语,是提
Is there any way to prevent or cure dementia? Unfortunately, no: theres no cure for dementia. And theres no sure fire way to prevent it, either. But scientists suspect that some types of foods may help the brain stay healthy longer. Right.For example