美国一项最新健康报告指出,餐馆和小食店所提供的大多数食物含盐量过高,超过推荐的人体必需摄入量,这将造成健康问题。 中老年人如果每日摄入的盐量过多,还会造成高血压等疾

发表于:2019-01-02 / 阅读(70) / 评论(0) 分类 国外媒体新闻

Changes Urged to Protect Children from Tech Addiction Former technology industry leaders are calling for urgent measures to protect children from smartphone addiction. Among those urging major changes is Tristan Harris a former high-level employee at

发表于:2019-01-03 / 阅读(147) / 评论(0) 分类 2018年VOA慢速英语(二)月

Broadcast: Mar 16 2003 In many Internet mailboxes, including some easily accessed by children, what used to be a trickle of 2) unsolicited porn advertisements has turned into a torrent. In part, that'

发表于:2019-01-03 / 阅读(130) / 评论(0) 分类 VOA2003(上)-科技先知

Broadcast: Feb 07, 2003 U.S. space agency officials confirmed Friday that they are analyzing military photographs that appear to show damage to the space shuttle Columbia shortly before it disintegrat

发表于:2019-01-03 / 阅读(98) / 评论(0) 分类 VOA2003(上)-科技先知

Broadcast: Feb 09, 2003 In terms of dollars and cents, the 2004 budget request increases spending for defense, the war against terrorism and homeland security. It also expands tax cuts, a move the Bus

发表于:2019-01-03 / 阅读(126) / 评论(0) 分类 VOA2003(上)-科技先知

The United States has partnered with the United Nations Foundation's Girl Up campaign, Intel Corporation, Google, and other partners to lead the third annual Women in Science Girls STEAM Camp, to enable to girls to study the science, technology, engi

发表于:2019-01-03 / 阅读(118) / 评论(0) 分类 VOA标准英语2017年(8月)

这位英国保守党领袖说,我们正在进入一个崭新的时代 -- 政府自身拥有更少的权利(和更少的钱),同时人民借助新兴科技则拥有更多的权利。利用行为经济学的新观点,他探讨如何将上述趋

发表于:2019-01-05 / 阅读(71) / 评论(0) 分类 TED公开课:世界权势大转移

SCIENCE REPORT – January 17, 2002: Lying Eyes By George Grow Lying eyes (bottom) give off increased heat (Photo -Dr. James Levine) This is the VOA Special English SCIENCE REPORT. Scientists say they

发表于:2019-01-06 / 阅读(91) / 评论(0) 分类 科技之光

SCIENCE IN THE NEWS - December 3, 2002: Diabetes By Oliver Chanler VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program about rece

发表于:2019-01-11 / 阅读(94) / 评论(0) 分类 科技之光

SCIENCE IN THE NEWS -June 4, 2002: Malaria By Oliver Chanler VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Special English program about recent deve

发表于:2019-01-11 / 阅读(87) / 评论(0) 分类 科技之光

Broadcast: Feb 02, 2003 The shuttle Columbia astronauts were part of an elite corps of explorers, which is the frontiers of space. They are mourned by their families, their country and by those of als

发表于:2019-01-11 / 阅读(136) / 评论(0) 分类 VOA2003(上)-科技先知

美国能源公司:清洁科技有利可图 Even before the U.S. Environmental Protection Agency released its proposed rules this month for reducing carbon emissions from the nations power plants, energy companies began converting older plants to c

发表于:2019-01-19 / 阅读(63) / 评论(0) 分类 VOA双语新闻 2014年6月

JEFFREY BROWN:And now to our interview with former Vice President Al Gore. Since he conceded the 2000 presidential election, Mr. Gore's of course become best known for his advocacy on climate change issues, work that led to both a Nobel Prize and an

发表于:2019-01-27 / 阅读(65) / 评论(0) 分类 PBS访谈环境系列

GWEN IFILL: Next: replacing surf shops with start-ups, as tech titans move to catch some rays and some waves.Steve Goldbloom reports. STEVE GOLDBLOOM: In San Francisco, computer programmers are like rock stars. Here in Los Angeles, the rock stars are

发表于:2019-01-27 / 阅读(90) / 评论(0) 分类 PBS访谈商业系列

苏珊布莱克莫尔研究迷因:思想就像病毒一样自主地由一个脑袋复制到另一个脑袋。她提出了一個大胆的新观点:人类已经产生了一种新的迷因,那就是技因,它由科技传播 - 并发明出各种形

发表于:2019-02-05 / 阅读(66) / 评论(0) 分类 TED公开课:头脑游戏

希拉里周日头晕突袭,跌跌撞撞离场,引发公众对其健康状况的强烈担忧。即使公布自己只是患了肺炎,希拉里这一晕还是晕出好些麻烦。更有阴谋论者宣称后来现身的希拉里是个冒牌货。脑

发表于:2019-02-16 / 阅读(51) / 评论(0) 分类 实用英语

But those are dots on a screen for you; what exactly does that mean? 但是那些你们看起来是屏幕上的点;到底有什么意义呢? Well basically that means that this protein is changing from the sensitive cell to the resistant cell. 基本

发表于:2019-02-21 / 阅读(64) / 评论(0) 分类 TED演讲教育篇

In Nigeria, 在尼日利亚 open-source, open-source SMS tools are being used by the Red Cross community workers 红十字会的工作人员也在使用开放的短信工具 to gather information from the local community 他们从当地社区里收集资

发表于:2019-03-04 / 阅读(93) / 评论(0) 分类 TED演讲教育篇

Never having been confronted with this type of situation before, 我们从未遇到过此类情况, we wanted to try and understand how we could tap into this incredible resource, 我们想努力了解如何利用这些令人难以置信的信息资源

发表于:2019-03-04 / 阅读(132) / 评论(0) 分类 TED演讲教育篇

You've got this incredibly powerful, this potent technology and people, 当科学技术越来越发达 and I think design makes a very sort of important, erm... 此时 设计就显得尤为重要 ..I think, contribution to the nature of that connecti

发表于:2019-03-17 / 阅读(394) / 评论(0) 分类 名人传记