标签：vaccine 相关文章
Technology Report - New Research Hopes to Speed Development of HIV Vaccine This is the VOA Special English Technology Report. A team of scientists in the United States has created a new type of mouse that has an immune system similar to that of human
2012年VOA慢速英语(八)月
[00:00.00]Lesson 24 Flu and Colds [00:12.59]流感与感冒 [00:25.18]There's little escape from the common cold and influenza, better known as flu. [00:30.17]普通感冒和流感都很难预防。 [00:35.16]Most adults in the United States get two
赖世雄学英语第四册
[00:06.50]READING [00:07.42]GOING WEST [00:09.09]In the spring of 1845, father read a book about California. [00:13.95]This account of the wonderful land beyond the Rocky Mountains gave him the idea to move there. [00:14.02]Less than half a year late
高中英语人教版必修第三册
[00:06.50]READING [00:07.42]GOING WEST [00:09.09]In the spring of 1845, father read a book about California. [00:13.95]This account of the wonderful land beyond the Rocky Mountains gave him the idea to move there. [00:14.02]Less than half a year late
高中英语人教版必修高三
By Elizabeth Lee Washington 29 October 2009 The H1N1 intranasal vaccine, Boston, 09 Oct 2009 The Centers for Disease Control and Prevention says there is not enough H1N1 vaccine available for everyone in the United States. And schools and clinics ar
VOA标准英语2009年(十月)
New Vaccine Research Aimed at Cattle Killer 新疫苗研究意在对付牧牛杀手 New research is underway to develop an advanced vaccine against East Coast fever a parasitic disease that killed more than one-million cattle in Africa last year. Res
VOA标准英语2014年(二月)
美国已发现的猪流感病毒和在墨西哥引起致命传染的是同一病毒.猪流感是什么东西?我们将如何应对?这里解答你的所有疑惑。 The swine flu virus in the U.S. is the same one causing a deadly epidemic in Mexico.
医学英语
Obama: The jobs picture is not going to improve considerably, and it could even get a little bit worse over the next couple of months. We've had, you know, down time and good times with the economy. The Dow Jones Industrial Average: up! Gold: up! The
cnn2009年(十二)月
Dengue Fever 1 Dengue fever is a mosquito borne 2 infection. The disease is characterized by high fever, headache, bone or joint and muscle pains, and rash. Dengue haemorrhagic 3 fever is a potentiall
英语沙龙2004全年合辑上
00:00:02 OPRAH WINFREY: Hattie Mae, this child is gifted, and I heard that enough that I started to believe it. 00:00:08 ROGER BANNISTER: If you have the opportunity, not a perfect opportunity, and you don't take it, you may never have another chance
2017年VOA慢速英语(九)月
Good morning, I'm Melissa Long here at the CNN center in Atlanta on this Wednesday morning, the eleventh of November Veteran's Day. Here's a look at some of the stories happening NOW IN THE NEWS. The suspect in the Fort Hood shootings, army Major Nid
cnn2009年(十一)月
From NPR News in Washington, I'm Jack Speer. Today Judge Sonia Sotomayor described her judicial philosophy as fidelity to the law. Her opening statement capped the first day of her confirmation hearing to the Supreme Court. NPR's Ari Shapiro reports
2009年NPR美国国家公共电台7月
HIV Vaccine Research 艾滋病疫苗研究 Two years ago, Jason Brenchley took part in an HIV vaccine trial sponsored by the U.S. National Institutes of Health. An NIH researcher himself, Mr. Brenchle
VOA2005（上）--环境科学探索
This is the VOA Special English Development Report. Scientists are studying ways to make mosquitoes resist malaria-causing parasites Scientists continue to seek better weapons against malaria. Each year the number of cases is in the hundreds of milli
VOA慢速英语2009年（十二）月
WHO Declares Zika a Global Health Emergency 世卫组织宣布兹卡病毒为全球卫生紧急状况 The World Health Organization (WHO) has declared the spread of mosquito-borne Zika virus a global public health emergency. On Monday, the global hea
2016年VOA慢速英语(二)月
Rotavirus Kills 500,000 Children Annually Despite Vaccine Vaccines against rotavirus, a leading cause of diarrhea-related deaths among young children, first became available in 2006. However, a new study indicates vaccination has been slow to blunt t
VOA标准英语2011年(十月)
The New CEO 新来的首席执行官 A company, feeling it was time for a shakeup, hires a new CEO. This new boss is determined to rid the company of all slackers. 一个公司在一次人事变革中雇用了新的首席执行官。而他在上任之初
英语小达人
By Ernest Leong Washington 19 March 2007 watch Vaccine report Some U.S. state lawmakers are fighting a mandate requiring certain vaccinations for children, saying it encourages undesirable behavior. Getting vaccinated has become a more complicated pr
2007年VOA标准英语（三月）
H1N1禽流感在美国死灰复燃 WASHINGTON, Feb. 20 (Xinhua) -- This year's flu season in the U. S. has hit younger- and middle-age adults harder than in the past three years, as a result of the resurgence of the H1N1 virus that caused a worldwide
英语新闻