[网络] 共检疫剂

University of Maryland scientists are working on a genetically-engineered fungus that would kill the malaria parasite. The battle against malaria continues to challenge doctors, scientists, and public health officials. Now, a team of British and Amer

发表于:2019-01-14 / 阅读(72) / 评论(0) 分类 VOA标准英语2011年(三月)

Rising Crop Prices Linked to Decline in World's Bee Population Terrence Ingram considers himself a naturalist. He said hes best able to commune with the natural world around him at the center of a swarm... of bees. I love beekeeping. Its one of Gods

发表于:2019-01-14 / 阅读(37) / 评论(0) 分类 VOA标准英语2013年(六月)

Pesticides Contribute to Decline in World's Bee Population Terrence Ingram considers himself a naturalist. He said hes best able to commune with the natural world around him at the center of a swarm... of bees. I love beekeeping. Its one of Gods grea

发表于:2019-01-14 / 阅读(42) / 评论(0) 分类 VOA标准英语2013年(六月)

AGRICULTURE REPORT - Study Says Genetically Engineered Rice Cuts Use of Insecticides By Mario Ritter Broadcast: Tuesday, May 10, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. A

发表于:2019-01-30 / 阅读(39) / 评论(0) 分类 农业与发展

The dengue virus is spread through the bite of an infected female Aedes egypti mosquito. The disease causes flu-like symptoms, including high fever, muscle aches and sometimes death. Each year, the disease strikes between 50 and 100 million people li

发表于:2019-02-05 / 阅读(25) / 评论(0) 分类 VOA标准英语2010年(三月)