This is Scientific Americans 60-Second Science, Im Cynthia Graber, this will just take a minute. Our ears are highly attuned to sounds in the world around us. Its not just the frequency of the sound itself. There are also subtle differences and shift

发表于:2018-12-24 / 阅读(43) / 评论(0) 分类 Scientific American(一)月

HEALTH REPORT - F.D.A. Approves New Artificial Knee Implants for WomenBy Cynthia Kirk Broadcast: Wednesday, May 24, 2006 I'm Bob Doughty with the VOA Special English HEALTH REPORT. Women who have prob

发表于:2019-01-02 / 阅读(56) / 评论(0) 分类 2006年慢速英语(五)月

LONDON, Dec. 29 (Xinhua) -- Barcode technology widely used in supermarkets and industry is to be introduced into Britain's National Health Service (NHS), it was announced Thursday. Scanning will be used for the first time on breast implants and repla

发表于:2019-01-08 / 阅读(34) / 评论(0) 分类 英语新闻

Preoperative Assessment术前评估 Assessment and Implementation评估实施 1.Use Standard Protocol.采用标准护理程序 2.Determine if the client has any communication impairment and if the client is mentally competent.测定病人存在沟通障

发表于:2019-01-08 / 阅读(33) / 评论(0) 分类 医学英语

A huge part of the world's population of the world snores during sleep, something that is usually made fun of by others. But in some cases, snoring is not a laughing matter. It can often be a sign of obstructive sleep apnea, a sleep disorder that can

发表于:2019-02-06 / 阅读(64) / 评论(0) 分类 英语新闻

NOVELS about sport are notoriously hard to pull off. It seems somewhat odd for a literary mind to care how often a ball makes it to the back of the net or how long it takes to sprint down a track. Yet that need not be so. The classic quest narrative-

发表于:2019-02-21 / 阅读(51) / 评论(0) 分类 阅读空间