In what Australian researchers say is a world-first clinical trial, surgical masks have been found to be a cheap and effective front-line weapon against epidemics such as swine and avian flu. A team at the University of New South Wales says masks ha

发表于:2018-12-16 / 阅读(45) / 评论(0) 分类 VOA标准英语2009年(四月)

Can you show me, Doctor? 医生,能指给我看吗? Surely, please watch me in the hand mirror. I'll reach under the gum with a measuringinstrument. 完全可以,请看手镜里我是怎样做的,我要用计量用具捅到牙龈底下。 I'l

发表于:2018-12-27 / 阅读(73) / 评论(0) 分类 口腔临床英语对话

By Chad Bouchard Jogjakarta, Indonesia 01 June 2006 Aid organizations and foreign governments are providing field hospitals and medical care for those injured in Central Java's devastating quake. The

发表于:2019-01-13 / 阅读(76) / 评论(0) 分类 2006年VOA标准英语(六月)

US Museum Showcases National Medical Collection These conjoined twins are not what you'd come across in a conventional museum. They are one of the exhibits at The National Museum of Health and Medicine near Washington. Its aim is to promote the under

发表于:2019-01-13 / 阅读(51) / 评论(0) 分类 VOA标准英语2012年(八月)

A: What kind of music do you enjoy listening to? B: I enjoy listening to all kinds of music. A: What kind? B: I like to listen to Rock and RB. A: Why do you like that type of music? B: I like the kinds of instruments that they use. A: I think that's

发表于:2019-01-20 / 阅读(90) / 评论(0) 分类 英语闲谈

Stradivari's Violin Secret? His Talent A study in the journal Angewandte Chemie that looked at the varnish used in Stradivarius instruments found nothing unusual, leading the researchers to conclude that Stradivari was just a master craftsman who had

发表于:2019-01-30 / 阅读(124) / 评论(0) 分类 60秒科学