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VOA标准英语2012--New Heart Stents Better Than Old Ones, Study Says

New Heart Stents Better Than Old Ones, Study Says A heart stent is a mesh tube made of metal that, when inserted into an artery, keeps it open. Stents can be metal only or they can contain medicine released once the stent is in place. These are calle

发表于:2018-12-16 / 阅读(79) / 评论(0)

VOA标准英语2012年(九月)

VOA慢速英语 2007 0606a

This is the VOA Special English Health Report. A coronary stent is a small tube that is used to treat heart patients. The tube is made of A stent is a tube of wire mesh wire mesh. Doctors place it inside an artery that has narrowed. They expand the

发表于:2019-01-11 / 阅读(82) / 评论(0)

VOA慢速英语2007年（六）月

VOA慢速英语 2007 0613a

This is the VOA Special English Health Report. Today we have the second half of a report about some concerns with the use of drug- treated coronary stents. These are small metal tubes designed to be placed inside arteries in heart patients. The sten

发表于:2019-01-11 / 阅读(71) / 评论(0)

VOA慢速英语2007年（六）月

2007年VOA标准英语-Study Finds Medication as Effective as Heart St

By Carol Pearson Washington 28 March 2007 watch Stent Study report A new, landmark study finds heart stents devices used to open blocked arteries - may not be as effective in the long term as medication in preventing heart attacks. VOA's Carol Pears

发表于:2019-01-13 / 阅读(109) / 评论(0)

2007年VOA标准英语（三月）

美国国家公共电台 NPR U.S.-Russia Summits, From Gravely Serious To Absurdly Comical

LULU GARCIA-NAVARRO, HOST: As we've heard, President Trump meets his Russian counterpart, Vladimir Putin, tomorrow in Helsinki, Finland. Over the decades, summits between the two countries have often been filled with high tension and great drama - an

发表于:2019-01-17 / 阅读(78) / 评论(0)

2018年NPR美国国家公共电台7月

什么问题阻止美国和俄罗斯在叙利亚的问题上达成一致见解?

JUDY WOODRUFF: So, can the U.S. and Russia, who have been at loggerheads for years over Syria, come to an agreement? For some answers, I'm joined by Angela Stent. She's director of the Center for Eurasian, Russian and East European Studies at Georget

发表于:2019-01-27 / 阅读(79) / 评论(0)

PBS访谈环境系列

SCIENCE REPORT- Cheney/Heart

35 切尼副总统的心脏病治疗手术 DATE=3-14-01 TITLE=SCIENCE REPORT- Cheney/Heart BYLINE=Nancy Steinbach (Start at 1'00

发表于:2019-01-30 / 阅读(117) / 评论(0)

科技之光

HEALTH REPORT - Carotid Stent

HEALTH REPORT - Carotid Stent By Jerilyn Watson Broadcast: Wednesday, May 12, 2004 This is the VOA Special English Health Report. Strokes can take place when fatty material blocks the flow of blood th

发表于:2019-01-30 / 阅读(86) / 评论(0)

健康与经济

2006年VOA标准英语-Cardiologists Debate Safety of Heart Stents

By Carol Pearson Washington, DC 08 November 2006 watch Heart Stent report Heart stents are lifesaving medical devices that help prevent heart attacks. Most of these stents are coated with various drugs, but mounting data suggest drug-coated stents c

发表于:2019-02-03 / 阅读(139) / 评论(0)

2006年VOA标准英语（十一月)

【突破英文词汇】stentorian, Stygian, tantalize

1. stentorian /stenˈtɔ:ri:ən/ -- very loud Stentor是传说中一位嗓音洪亮的传令官，其音量相当于50个人的音量。斯滕托尔（Stentor），古希腊神话男性人物之一。其事迹反映于荷马的《伊里亚特》之中，

发表于:2019-02-27 / 阅读(134) / 评论(0)

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a week from

absoluta

acute interstitial pancreatitis

adjustable viewing angle

albino bee

alkanet

alligator tank driver's periscope