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(56) / 评论(0) 分类 VOA慢速英语2007年(六)月

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(47) / 评论(0) 分类 VOA慢速英语2007年(六)月

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(41) / 评论(0) 分类 PBS访谈环境系列

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(74) / 评论(0) 分类 科技之光

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(46) / 评论(0) 分类 健康与经济

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(99) / 评论(0) 分类 突破英文词汇