单词：Pitzer strain
单词：Pitzer strain 相关文章
WHO: Balanced Approach for New Bird Flu Virus Strain In 2011, scientists discovered they had created a highly contagious and deadly form of H5N1 commonly called avian or bird flu. When the discovery was announced, debate erupted over whether the rese
VOA标准英语2011年(十二月)
The flu epidemic intensified a few week ago, but it continued to worsen with widespread outbreaks being reported in every state except Florida. NBC's Robert Bazell reports. And there's new information tonight about this year's flu epidemic and why i
万花筒2008年
DAVID GREENE, HOST: And we're going to spend some time now in China's far northwestern region, Xinjiang, which is four times the size of California. It's home to a Muslim minority group called the Uighurs. They have had this tense relationship with C
2017年NPR美国国家公共电台9月
今天我们要学的词是 strain. strain 的意思是压力，费力，使足力气。 In China, female pilots strain to hold up half the sky although they account for only 1.3 percent of all the pilot, one of the lowest proportion in the world. 在中
英语单词荟萃
HIV Superinfections Appear Common Theyre called HIV superinfections and a study indicates theyre much more common than first thought. Researchers say this raises concerns about possible resistance to treatment and may require new approaches to AIDS v
VOA标准英语2012年(六月)
By Lisa Bryant Paris 15 February 2006 Experts meeting in Brussels Wednesday and Thursday are promoting a series of measure to fight the spread of bird flu in the European Union. The meeting comes as n
2006年VOA标准英语（二月）