发表于:2018-11-27 / 阅读(151) / 评论(0) 分类 英语口语1+1

Broadcast: Jan 15, 2003 By Jerilyn Watson This is the VOA Special English Health Report. Many millions of people around the world suffer from problems of the small intestine. Bleeding from abnormal gr

发表于:2018-12-07 / 阅读(65) / 评论(0) 分类 VOA2003(上)-健康资讯

New Tool Maps Buildings' Energy Efficiency 新工具提高建筑物的能源效率 Architects, engineers and building managers will soon be able to quickly collect data about building interiors that once took weeks to measure and process. A backpack-

发表于:2018-12-08 / 阅读(28) / 评论(0) 分类 VOA标准英语2015年(二月)

Cameras were once big and bulky. Today,really good cameras fit in your pocket. And now, researchers at Cornell havedeveloped a camera thats just a half-millimeter on each side and a hundredthof a millimeter thick. The lens-less device is called a Pla

发表于:2019-01-08 / 阅读(69) / 评论(0) 分类 Scientific American(七)月

不知道大家使用的是什么品牌的手机电脑, Iphone、三星、华为? 苹果、联想、戴尔? 你们知道它们其中的芯片来自哪里吗? 全球大约80%的笔电、70%的手机都产于中国, 但其中的核心芯片却是国外

发表于:2019-01-17 / 阅读(47) / 评论(0) 分类 英文语法词汇

本期内容: Nigerian Oshi Agabi has unveiled a computer based not on silicon but on mice neurons at the TEDGlobal conference in Tanzania. The system has been trained to recognize the smell of explosives and could be used to replace traditional ai

发表于:2019-02-10 / 阅读(42) / 评论(0) 分类 夏说英语新闻晨读