单词：probation agricultural insecticide
单词：probation agricultural insecticide 相关文章
This is the VOA Special English Agriculture Report. In two thousand eight, scientists reported on a study of cotton grown in six provinces in northern China. The study involved bollworms, a major threat to cotton farmers. It also involved Bt cotton,
2010年VOA慢速英语(五)月
It's bad enough that mosquitoes suck our blood, and sometimes pass on disease. But there's more. They can actually give you a disease and pee on you at the same time. Adding insult to injury if you will. Jerod Denton, a pharmacologist at Vanderbilt U
2016年Scientific American(十二)月
Broadcast: January 23, 2003 By Nancy Steinbach This is the VOA Special English EDUCATION REPORT. We continue our series of reports about how students from foreign countries can attend a college or uni
VOA2003（上）-社会广角
THIS IS AMERICA - Agricultural Fairs By Jerilyn Watson Broadcast: Monday, October 11, 2004 (MUSIC) VOICE ONE: Welcome to THIS IS AMERICA, in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Fa
This is America
To Fight Malaria, Bed Nets Are the Most Important Weapon 蚊帐成为抗疟疾最重要的武器 From VOA Learning English, this is the Health Lifestyle report. United Nations researchers are reporting progress in the fight against the disease malari
2016年VOA慢速英语(十二)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)