单词：spraying device
单词：spraying device 相关文章
Broadcast: Jan 15, 2003 By Jerilyn Watson This is the VOA Special English Health Report. Many millions of people around the world suffer from problems of the small intestine. Bleeding from abnormal gr
VOA2003（上）-健康资讯
Campaign Begins to End Locust Plague 帮助马达加斯加消灭蝗灾 More than a year after a locust plague was declared in Madagascar, a control program finally is about to begin. Massive swarms of the insects have damaged or destroyed large areas
VOA常速英语2013年(九月)
New Device Detects Pilot Blackouts WASHINGTON During certain maneuvers, jet fighter pilots sometimes experience loss of vision and even loss of consciousness. Although short, these so-called blackouts can have tragic consequences. An Israeli company
VOA标准英语2015年(六月)
Killing Mosquitoes Early On及早杀灭蚊虫预防疟疾 Targeting mosquitoes in their early stages of life has the potential to greatly boost malaria control efforts and prevent thousands of new infections every year. A new study looks at the effec
VOA常速英语2013年(九月)
DEVELOPMENT REPORT – March 18, 2002: Pot-in-Pot Cooling Device By Jill Moss This is the VOA Special English Development Report. In many developing countries, it is difficult to keep food cool. Most
农业与发展
The One With The Giant Poking Device 本集简介： Phoebe avoids going to the dentist because whenever she goes, someone dies. Joey tells Chandler about Janice kissing her husband, and Chandler confronts her. She must chose between the two men she l
老友记(六人行)
Scientists know all about the therapeutics qualities of blue and red light. But until know, sufferers of acne have to go to hospital to benefit from it. But Lumie, the manufactures of this new LED device hope it would see light therapy moving to the
英语杂谈
Dallas Continues Spraying in Fight Against West Nile Fever Many people in Dallas continue to work and play outdoors, but they are heeding warnings from health officials to protect themselves. Fifteen-year-old Macias says he has followed the news repo
VOA标准英语2012年(八月)
Device Keeps Internet On When Power Goes Off Erik Hersman and his team in Nairobi have created what they say is the first router made especially for Africa. It's battery powered and rugged. And it's gaining attention in Europe and the United States.
VOA标准英语2013年(五月)
DAVID GREENE, HOST: We have been reporting on the rise of some really nasty diseases caused by tick bites - everything from Lyme disease to Rocky Mountain spotted fever. Well, now a new study is shedding light on an old technique to repel ticks that
2018年NPR美国国家公共电台7月
地点：美黑店内 人物：罗斯，店里的一位助手 事件：罗斯去做美黑，却在数数的时候出了问题。 Assistant: You've got to face the red light. When the red light goes on the spraying is about to start so close your eyes
英语PK台
印度政府日前推出了一款世界上最便宜的笔记本电脑，售价仅为35美元。据印度人力资源开发部长介绍，这款低成本的触摸屏电脑的主要针对用户为学生，计算机的主板、芯片、处理器、内存和
阅读空间
MEGAN THOMPSON: The Hawaiian island of Kauai is known as the garden isle, luring hundreds of thousands of tourists to its lush northern shores. But fewer make it down to the drier southwest side, home to many native Hawaiians, whove lived here for ge
PBS访谈环境系列
Bill walked to the front door of his apartment. Someone had slipped a piece of paper under the door. It was a notice from the manager. They were going to spray his apartment for bugs. He didn't have any bugs. They would spray Friday morning. Friday m
原版英语小短文
HEALTH REPORT - W.H.O. Calls for Indoor Use of DDT to Control MalariaBy Caty Weaver Broadcast: Wednesday, September 20, 2006 This is the VOA Special English Health Report. A specialist in protective c
2006年慢速英语（九）月
The device is a tiny sensor, implanted through a catheter in the heart's pulmonary artery. The procedure takes just seven minutes. The patient passes a wand over his chest, collecting data on heart pressure. That data is sent electronically to the do
VOA标准英语2010年(六)月
High-Tech Device Reduces Risk of Hospital Infections This machine fires bursts of ultraviolet, or UV, light that penetrate the cells of micro-organisms and kill them. The organisms have no chance to adapt and gain immunity as they might with a chemic
VOA标准英语2012年(二月)
Spraying Insecticide Indoors Reduces Spread of Malaria Researchers in West Africa have shown that spraying insecticide indoors can dramatically reduce malaria transmission. Efforts to develop a malaria vaccine have so far been disappointing, so progr
VOA标准英语2011年(十月)
DALLAS Officials in Dallas, Texas and the surrounding county of the same name are continuing to spray by land and air in an effort to suppress mosquitoes that spread the West Nile virus. Health officials have reported more than 200 cases of fever cau
英语新闻
As Uganda looks to eliminate malaria, the country is engaged in a debate(辩论会) over the use of chemicals such as DDT in some of the world's most malarial regions. In the district of Apac in northern Uganda, the risk of malaria is higher than any
英语新闻