16.The Democratization of Education---Commencement Address by Shakira Isabel Mebarak Ripoll at Oxford University 16.教育的民主化哥伦比亚女歌手夏奇拉在牛津大学的演讲 I have a fantasy about this future that I want to share with

发表于:2018-12-30 / 阅读(52) / 评论(0) 分类 历史英雄名人演讲

Earlier this year, I got a letter from a South Carolina woman named Ashley, who was expecting her third child. 今年早些时候,我收到一封来自南卡罗来纳州阿什利女士的来信,她正期盼第三个孩子降临。 She was, in her

发表于:2018-12-30 / 阅读(307) / 评论(0) 分类 奥巴马每周电视讲话

We took that step because we have a responsibility to protect the American people. But that's not a sustainable solution. 我们走出这一步,是因为我们有责任保护美国人民。但这并不是一个长期的解决方案。 And Congress

发表于:2018-12-30 / 阅读(55) / 评论(0) 分类 奥巴马每周电视讲话

Professor Colin Blakemore works at Oxford University Medical School doing research into eye problems and believes that animal research has given humans many benefits: The use of animals has been central to the development of anaesthetics, vaccines an

发表于:2019-01-02 / 阅读(57) / 评论(0) 分类 双语有声阅读

Vaccine - a planned exposure to an antigen in order that memory B lymphocytes can retain a memory for it. In practice the organism carrying the antigen is either killed or modified so that it does not

发表于:2019-01-03 / 阅读(248) / 评论(0) 分类 医务英语

After getting your flu shot, did you know it takes about two weeks to develop an immunity? Its true. You can test your knowledge on more flu facts by taking this quiz. Here it goes. True or false: The flu isnt serious. Thats false. You can have compl

发表于:2019-01-07 / 阅读(62) / 评论(0) 分类 万花筒2011年

Rising fear over an outbreak, a new and dangerous strain of the bird flu so far contained to China. But tonight right here in the US, top scientists are now raising a development of vaccine. And if theyre concerned, how concerned should the rest of u

发表于:2019-01-07 / 阅读(77) / 评论(0) 分类 万花筒2013年

The top UN official in Afghanistan Kai Eide is acknowledging that there was, what he called, widespread fraud in the country's recent presidential election. But Eide would not be more specific about how much fraud occurred. Any specific figure at th

发表于:2019-01-08 / 阅读(213) / 评论(0) 分类 2009年NPR美国国家公共电台10月

This is the VOA Special English Health Report. Vaccines and chest compressions are both ways to save lives. Now, separate new reports say each could save more lives if they were used more. One report is from the International Federation of Red Cross

发表于:2019-01-12 / 阅读(55) / 评论(0) 分类 2010年VOA慢速英语(九)月

Untreatable New Forms of TB Raising Alarm The World Health Organization (WHO) lists 69 countries that have reported what is officially called extensively drug-resistant tuberculosis (XDR-TB). It's a form of the mycobacterium that, like the one report

发表于:2019-01-13 / 阅读(49) / 评论(0) 分类 VOA标准英语2012年(一月)

Doctors warn intentional infection not a good idea Alex Villarreal | Washington, DC 17 December 2009 CDC says the best step to protection is vaccination Many Americans are doing all they can to avoid the H1N1 virus. But talk in the news and on the In

发表于:2019-01-13 / 阅读(99) / 评论(0) 分类 VOA标准英语2009年(十二月)

A new study suggests vaccinating children against disease first could help protect the surrounding community. Related Links Full Article Scientists have long believed that immunizing some members of a community against a disease would protect the ent

发表于:2019-01-13 / 阅读(70) / 评论(0) 分类 VOA标准英语2010年(三月)

Promising Target For Malaria Vaccine Identified British researchers have discovered a biochemical key used by the malaria parasite to invade human blood cells. The discovery could pave the way for an effective malaria vaccine. The Plasmodium malaria

发表于:2019-01-13 / 阅读(94) / 评论(0) 分类 VOA标准英语2011年(十一月)

New Immunization Effort Launched Over the next three months, about 50 million young people in seven African countries will be vaccinated against meningitis. Its part of larger campaign to eliminate the disease in 26 at-risk countries. Meningitis is a

发表于:2019-01-14 / 阅读(72) / 评论(0) 分类 VOA标准英语2012年(十月)

Deaths from tuberculosis are increasing in the developing world and especially in Africa. It's the world's second deadliest infectious disease after HIV/AIDS. In 2008, nearly two million people died of TB and researchers warn that mortality rates wil

发表于:2019-01-14 / 阅读(221) / 评论(0) 分类 VOA标准英语2010年(十一)月

Researchers: Immunization Efforts Falling Short Researchers said that despite progress immunizing African children against disease, vaccination efforts are falling far short of whats needed. They warn that vaccine supply and cost need urgent attentio

发表于:2019-01-14 / 阅读(62) / 评论(0) 分类 VOA标准英语2013年(三月)

Sequestration Puts Malaria Vaccine Trial in Jeopardy No buzz is heard. But you can almost feel the vibration of 10,000 mosquitoes. Instinctively, you scratch, even though no insect is freely flying. The females are attracted to body heat to feed on b

发表于:2019-01-14 / 阅读(55) / 评论(0) 分类 VOA标准英语2013年(三月)

促进医疗创新实现全球健康目标 This September will mark the end of the U.N. Millennium Development Goals and the beginning of the Sustainable Development Goals. One of the proposed 17 goals calls for ensuring healthy lives and promoting w

发表于:2019-01-14 / 阅读(99) / 评论(0) 分类 VOA标准英语2015年(十二月)

ARI SHAPIRO, HOST: The flu season is bad this year. That's the message today from the Centers for Disease Control and Prevention. NPR health correspondent Rob Stein is here with details. Hey, Rob. ROB STEIN, BYLINE: Oh, hey, Ari. SHAPIRO: Health offi

发表于:2019-01-16 / 阅读(69) / 评论(0) 分类 2018年NPR美国国家公共电台1月

There are some antiviral drugs that doctors may use to treat influenza. Each year, medical researchers work to develop vaccines to prevent the flu from infecting people. No one knows yet exactly how much protection the vaccine provided people this fl

发表于:2019-01-22 / 阅读(76) / 评论(0) 分类 英语时差8,16