标签：resistant 相关文章
Agriculture Report - Farmers Learning Limits of Popular Herbicide 农业报道 - 农民认识到除草剂的局限性 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Pigweed spreads fast and grows
2012年VOA慢速英语(一)月
34 Raising Oysters In the oysters were raised in much the same way as dirt farmers raised tomatoes- by transplanting them. First, farmers selected the oyster bed, cleared the bottom of old shells and other debris, then scattered clean shells about.
新概念优美背诵短文50篇
The United Nations is warning of a possible resurgence of the deadly bird flu virus. It's also warning a mutant strain of the virus that's resistant to vaccines could be spreading in Asia. It says it's appeared in Vietnam and China and now threatens
澳洲ABC新闻快递2011年
This is the VOA Special English Agriculture Report. Plant breeders and genetic engineers keep working to give crops the strength to resist threats like insects, diseases, droughts or floods. But before you can resist a threat, you need to understand
VOA慢速英语2009年（十）月
Lawsuit Filed to Stop Antibiotic Use in Healthy Livestock American health advocates have filed a lawsuit against the U.S. food regulatory agency to stop a practice they believe is contributing to the rise of antibiotic-resistant infections worldwide.
VOA标准英语2011年(六月)
Scientists Getting Closer to Finding AIDS Cure 科学家治愈艾滋病的希望更大了 Scientists searching for a cure for AIDS say they have uncovered the basic chemistry of the HIV virus and that the most likely strategy for fighting the disease
VOA标准英语2014年(十二月)
Turning Deadly Insect Venom into Drugs 科学家利用昆虫致命毒液研制新药 There are many secrets yet to be discovered in the world of insects, especially the deadly ones. A group of scientists in Great Britain is trying to create a chemica
VOA标准英语2016年(八月)
AUDIE CORNISH, HOST: The federal government set up a network last year to identify deadly germs called nightmare bacteria. Today the Centers for Disease Control and Prevention says that network is helping control these germs. And the CDC says the sys
2018年NPR美国国家公共电台4月
By Scott Bobb Johannesburg 24 March 2008 As the world marks international Tuberculosis day, a new study has revealed a frightening rise in the past 15 years in tuberculosis cases in Africa. Correspondent Scott Bobb reports from our Southern Africa Bu
VOA标准英语2008年（三月）
By Melinda Smith Washington, D.C. 21 March 2007 watch Tuberculosis US report Beginning around 1995, the United States experienced a steady decline in the rate of tuberculosis. But in the last three years, health experts have noticed something distur
2007年VOA标准英语（三月）
Frogs secrete compounds that could be used to battle MRSA and a new emerging bacterium that affects many wounded soldiers in Iraq. According to Mideast researchers, the amphibians could provide several new antibiotic compounds to fight drug resistant
VOA标准英语2010年(九)月
Thailand plans to call for stepped up cooperation from regional governments to contain the spread of the H1N1 flu. The Thai government will present the issue at an annual gathering of foreign ministers from Southeast Asia and the region's main partn
VOA标准英语2009年(七月)
Study: Electric Brain Stimulation Alleviates Some Disorders HOUSTON Modern medicine relies mainly on drugs to cure or alleviate disorders, but for some conditions doctors apply electrical stimulation. The pacemaker, for example, helps weak hearts mai
VOA标准英语2014年(六月)
Does Ebola Reveal WHO Shortfalls? 埃博拉疫情反映出世卫组织应变不足? As the Ebola outbreak rages in three West African countries and raises fears abroad some are questioning whether the World Health Organization is being stretched too
VOA标准英语2014年(十月)
Drug-Resistant Malaria Spreads in SE Asia 抗药性疟疾在东南亚快速传播 MAE SOT, THAILAND On Thailands border with Myanmar, also known as Burma, a malaria research and treatment clinic is stepping up efforts to eliminate a drug-resistant fo
VOA标准英语2014年(八月)
干旱对加州红杉造成影响 Slowly and painstakingly, University of California tree biologist Anthony Ambrose climbs up a giant sequoia in Californias Sierra Nevada mountain range, the only place on earth where these magnificent trees live. 加利
VOA标准英语2016年(一月)
耐热玻璃器皿诞生100周年 One hundred years ago, a new brand of kitchenware named Pyrex entered the American market, firmly imprinting its name into the psyche of consumers. It is still being manufactured while the early models are now collec
VOA标准英语2015年(十一月)
By Phil Mercer Sydney 01 April 2008 Researchers in Australia say a Tasmanian devil called Cedric could hold the key to the survival of the embattled species. The world's largest marsupial carnivore is facing extinction because of a mystery facial can
VOA常速英语2008年（四月）
图片1 Where do we start with the kitchen? There is so much to talk about. Many people say that it is the center of family life. The kitchens that I will describe are those that I have seen and been in in England and the U.S. To start with, a kitche
英语博客 A cup of English
CARL AZUZ, CNN 10 ANCHOR: A passionate debate is taking place worldwide over claims that genetically edited human children were recently born in China. I'm Carl Azuz. This is CNN 10. Here's how the debate got started. A Chinese scientist named He Jia
CNN美国有线新闻2018年12月