单词：malaria mosquito
单词：malaria mosquito 相关文章
Health Report - Spray Shows Promise in Malaria Study in Benin 健康报道 - 室内喷洒杀虫剂可减少疟疾传播 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Malaria is caused by a parasite sp
2011年VOA慢速英语(十二)月
Mosquitoes Genetically Modified to Prevent Malaria There may soon be a new weapon in the fight against malaria - a genetically-modified mosquito that kills the disease-causing parasite once it becomes infected. Malaria is a leading cause of death wor
VOA标准英语2012年(一月)
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. April 25th was World Malaria Day. The mosquito-borne disease is still one of the biggest killers in developing countries with a death toll of a million
Scientific American(四)月
Medical science has eliminated only one disease, smallpox. Bill and Melinda Gates called last year for a campaign to stop malaria. But experts differ on the idea. Some say existing measures could reduce cases by 90 percent. Transcript of radio broad
VOA慢速英语2008年（七）月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an
Scientific American(一)月
Kurt Achin It is rainy season in Southeast Asia, and the region is facing its annual battle with dengue fever and other mosquito-borne diseases. The World Health Organization says such diseases are a
VOA2004（上）--国际时事
SCIENCE IN THE NEWS - October 15, 2002 : Gene Map of Malaria / Concerns About Genetic Engineering / AIDS Warning for Five Countries VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Steve Ember w
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
科技之光
Why Do Mosquitoes Choose to Bite You? 为什么蚊子会叮你? Mosquitoes have an extraordinary ability to target humans far away and fly straight to their unprotected skin. Regrettably, mosquitoes can do more than cause an itchy wound. Some mosquit
2015年VOA慢速英语(七)月
Under UV light, this mosquito larva reveals a red fluorescent marker in its nervous system, causing eyes and nerves to glow. The marker's presence tells the researchers in Riehle's team that this individual carries the genetic construct rendering it
VOA标准英语2010年(七)月
New Malaria Vaccine Passes Safety Test The fight against malaria may have taken a promising step forward with the latest tests of a new kind of vaccine, which aims to keep people healthy and prevent the infection from spreading. Most malaria vaccines
VOA标准英语2011年(九月)
Microbe Could Help Battle Malaria Researchers have discovered a bacterium in the gut of the Anopheles mosquito which may someday be used to destroy and, therefore, prevent the spread of the disease-causing parasite. The World Health Organization esti
VOA标准英语2011年(五月)
Wind Offers Clue to Curbing Malaria A team of scientists studying the patterns of malaria infection in rural Kenyan villages noticed that, despite a gradual reduction of malaria cases in the region, hotspots persisted. The blood-sucking mosquitos tha
VOA标准英语2012年(二月)
Scientists Target Mosquito-Borne Illnesses Of all the disease-spreading insects in the world, the mosquito poses the greatest menace, according to the World Health Organization (WHO). As if to underscore that threat, two mosquito-borne viral diseases
VOA标准英语2011年(八月)
Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6
VOA标准英语2014年(一月)
Progress Has Been Made In Containing Malaria, More Needs To Be Done For every minute that goes by, a child under five years of age dies of malaria. Malaria has been diagnosed on every continent, but sub-Saharan Africa is the region most afflicted. Dr
VOA标准英语2013年(四月)
Scientists Race to Contain Malaria: New Discoveries, More Resistance Artemisinin has helped cut global malaria deaths by more than 25 percent over the past decade. But now, in parts of Southeast Asia, this drug no longer works. And the World Health O
VOA标准英语2013年(五月)
Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析，夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns
经济学人科技系列
Israeli(以色列) researchers say they have developed a powerful bait that effectively attracts and kills malaria-infected mosquitoes but is completely harmless to humans and other animals. The toxic sugar bait developed by scientists at Hebrew Univ
英语新闻