心房早期去极化

A new report shows the number of babies born prematurely has been increasing in the United States since 2014. The report by the National Center for Health Statistics says preterm births have increased by 2 percent in 2016 and 1.6 percent in 2015 afte

发表于:2019-01-02 / 阅读(97) / 评论(0) 分类 2017年VOA慢速英语(七)月

Atrial fibrillation is a cardiac arrhythmia that often produces very disruptive palpitations, fatigue, and even shortness of breath. Worse, atrial fibrillation can substantially increase your risk of stroke. If you have atrial fibrillation there is l

发表于:2019-01-03 / 阅读(95) / 评论(0) 分类 实用英语

Health Report - How a 1959 Discovery Saves Premature Babies Today This is the VOA Special English Health Report. We told you last week about a study which found that more than ten percent of all babies worldwide are born too early. One common problem

发表于:2019-01-12 / 阅读(101) / 评论(0) 分类 2012年VOA慢速英语(八)月

By Carol Pearson Washington 26 March 2008 Pre-term or prematurebirth is one of the leading causes of infant death in the developed world. A new study shows that babies born before 37 weeks of gestation not only have lower survival rates, but they fac

发表于:2019-01-12 / 阅读(102) / 评论(0) 分类 VOA标准英语2008年(三月)

By Melinda Smith Washington 22 February 2007 watch Tiny Baby report Baby Amillia Sonja Taylor finally left the hospital in Florida yesterday. Doctors gave clearance after deciding she was healthy enough to survive with just her parents' care. VOA's

发表于:2019-01-12 / 阅读(164) / 评论(0) 分类 2007年VOA标准英语(二月)

By David Gollust State Department 29 August 2006 Secretary of State Condoleezza Rice told a war veterans group Tuesday that a premature U.S. troop withdrawal from Iraq would cause immeasurable harm to U.S. interests. Domestic political pressure for

发表于:2019-01-13 / 阅读(149) / 评论(0) 分类 2006年VOA标准英语(八月)

Rate of Premature Births Rising Worldwide The birth of a child....what should be a joyous experience, too often ends in death if that child is born prematurely in a developing country. A major report about premature delivery called Born Too Soon show

发表于:2019-01-13 / 阅读(101) / 评论(0) 分类 VOA标准英语2012年(五月)

Dr. David Wilber performs a procedure called catheter ablation to treat patients with atrial fibrillation at Loyola University Medical Center in Illinois A relatively new procedure is proving to be more effective in treating patients with irregular h

发表于:2019-01-13 / 阅读(123) / 评论(0) 分类 VOA标准英语2010年(二月)

Premature Babies Have Higher Death Rates in Young Adulthood 早产儿成年后死亡风险高 Premature babies have more than their share of health problems early in life and now a new study finds they also face an increased risk of premature death w

发表于:2019-01-13 / 阅读(97) / 评论(0) 分类 VOA标准英语2011年(九月)

Sustained Irregular Heartbeat Raises Mortality Risk for Middle Aged Women Many doctors see atrial fibrillation (AF), an abnormal heart rhythm, in their elderly patients. But a new study indicates that a surprising number of middle aged women, who are

发表于:2019-01-14 / 阅读(123) / 评论(0) 分类 VOA标准英语2011年(六月)

World Prematurity Day Aims to Lower Rates of Premature Births This tiny newborn is one of more than 15 million babies who start their lives with a major disadvantage...being born too soon. Preterm birth is the greatest killer of newborns around the w

发表于:2019-01-14 / 阅读(89) / 评论(0) 分类 VOA标准英语2012年(十一月)

Steroids Affect Brain Development in Premature Babies Premature babies routinely get powerful steroids both before and after they are born. The drugs help the babies' tiny lungs mature and boost blood pressure, among other benefits. Previous research

发表于:2019-01-14 / 阅读(101) / 评论(0) 分类 VOA标准英语2011年(十月)

EU Claims That Crisis Is Over Premature, Analysts Warn The budget deal agreed to after marathon 25-hour talks in Brussels will see total EU expenditures cut by $45.9 billion or 34.4 billion euros over the next seven years. It was seen as a victory fo

发表于:2019-01-14 / 阅读(102) / 评论(0) 分类 VOA标准英语2013年(二月)

This is the VOA Special English Health Report. A condition called atrial fibrillation produces an abnormal heartbeat. People feel their heart race and they lose their breath. It may last a few seconds, but it can get worse and worse with age, leading

发表于:2019-01-31 / 阅读(153) / 评论(0) 分类 2010年慢速英语(二)月

科学家发现宇宙膨胀的证据 WASHINGTON, March 17 (Xinhua) -- U.S. astronomers announced Monday they have captured the first images of gravitational waves, or ripples in space-time described as the first tremors of the Big Bang in which the u

发表于:2019-02-03 / 阅读(111) / 评论(0) 分类 英语新闻

今天我们要学的词是premature。 Premature, 提前的,早于预期的,尚未成熟的。一位美国妇女在洛杉矶的一家医院产下了八胞胎。 They were born nine weeks premature, weighing between 680 grams and one-and-one-half

发表于:2019-02-03 / 阅读(112) / 评论(0) 分类 英语单词荟萃

The biggest cities in China are pressure cookers for youth starting out on their careers. 对于那些打算在自己职业生涯大展拳脚的年轻人而言,中国一线城市就好比是 高压锅。 Here are some tips on what to expect if you

发表于:2019-02-09 / 阅读(108) / 评论(0) 分类 实用英语

The Eye of the Dung Beetle A number of animals, including honeybees and butterflies, use sunlights polarization in their navigation s , but the dung beetle is the first animal ever discovered to use moonlights polarization to guide its travels. Polar

发表于:2019-02-16 / 阅读(113) / 评论(0) 分类 英语听力文摘 English Digest

By Carol Pearson Washington, D.C. 08 October 2009 A premature infant getting specialized hospital assistance after birth A new study shows that more than a million babies die each year because they are born too soon, and that the highest rates of pr

发表于:2019-02-20 / 阅读(109) / 评论(0) 分类 VOA标准英语2009年(十月)

[00:02.48]Ok... 好了 [00:03.96]The X10's are online 这台X10已经连上网了 [00:06.44]Gentlemen, I am now about to send a signal from this laptop through our local ISP 先生们 接下来我要从这台笔记本发出信号 通过本地ISP [00:

发表于:2019-03-16 / 阅读(355) / 评论(0) 分类 听电影学英语-生活大爆炸