When we humans talk to other humans, the sounds we make all have very specific meanings. When I say apple you immediately imagine something that has the characteristics of an apple. Yossi Yovel, a neuroecologist at Tel Aviv University in Israel. And

发表于:2018-12-24 / 阅读(27) / 评论(0) 分类 2017年Scientific American(一)月

By Zulima Palacio Washington 14 September 2007 University scientists in the United States have taken what they say is an important step in the effort to end malaria. At Johns Hopkins Malaria Research Institute, scholars recently identified a sugar in

发表于:2019-01-06 / 阅读(68) / 评论(0) 分类 2007年VOA标准英语(九月)

By Paula Wolfson White House 15 June 2006 President Bush says reducing world poverty is a major objective of U.S. foreign policy. Mr. Bush says promoting trade and freedom is key to meeting that goal. ------------------------------------------- Pres

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 2006年VOA标准英语(六月)

Jon Batzdorff Makes People's Dreams Come True Jon Batzdorff has made it his life's work to help amputees, not only in the United States, but around the world. His business is prosthetics and orthotics - the evaluation, fabrication and custom-fitting

发表于:2019-01-14 / 阅读(63) / 评论(0) 分类 VOA标准英语2011年(六月)

Executives at Chinese Internet giants, including Baidu, Alibaba and Tencent, are focusing on the development of artificial intelligence and believe the next decades will be a golden age for the industry. 包括百度、阿里巴巴以及腾讯在内的

发表于:2019-01-17 / 阅读(81) / 评论(0) 分类 英语新闻

The game of baseball was the undisputed national pastime for more than a century, until American football overtook it as the nation's most popular and profitable sport. These are four baseball fields surrounding a rural school. School fields used to

发表于:2019-01-26 / 阅读(55) / 评论(0) 分类 VOA标准英语2008年(八月)