VOA标准英语2008年-High Definition Eye Glasses Provide Crisper Vis（在线收听） |
| By Carol Pearson Washington 05 May 2008 High definition TV provides sharper images, but high definition imaging now goes beyond television. VOA's Carol Pearson reports on high definition eye glasses.
|
| 原文地址：http://www.tingroom.com/voastandard/2008/5/57371.html |