Study Says Breath Analysis Can Help in Diagnosing Cancer Lung cancer claims an estimated one and a half million lives each year. But a research team at the Cleveland Clinic and University of Illinois is working to develop a new test that could make d

发表于:2018-12-16 / 阅读(54) / 评论(0) 分类 VOA标准英语2012年(一月)

Technology being(1) developed at Pacific Northwest National Laboratory could put(2) explosive-sniffing(3) dogs out of business. Just like dogs, the technology can 'sniff' the air to detect vapors from explosives. Unlike dogs, it doesn't need to be fe

发表于:2019-01-01 / 阅读(42) / 评论(0) 分类 英语博客 A cup of English

By David McAlary The U.S. space agency is planning to conduct its first completely automated rendezvous in space Tuesday. In a test of new technology, a spacecraft is scheduled to be launched to track

发表于:2019-01-03 / 阅读(58) / 评论(0) 分类 VOA2004(下)--健康科技

Are you guilty of dwelling on a problem much longer than you should? Many people get caught up in overthinking problems from time to time, but some people make a habit of it. This habit can affect grades and academic performance, because students can

发表于:2019-01-03 / 阅读(28) / 评论(0) 分类 实用英语

China has established the world's largest 5G test site in the race to standardize the mobile communication technology. Industry giants including Huawei Technologies and ZTE Corp are participating in the tests at an outdoor test site in Huairou distri

发表于:2019-01-19 / 阅读(64) / 评论(0) 分类 2018CRI中国国际广播电台

DNA analysis is a staple of crime scenesand crime shows, like HBO's The Night of or the old standby, CSI: We just need to get this to the DNA lab, confirm it's the victim's blood. And then, case closed. And it's not just for crime: DNA sequencing als

发表于:2019-01-20 / 阅读(75) / 评论(0) 分类 2016年Scientific American(九)月