单词:trichovirus apple chlorotic leaf spot virus
单词:trichovirus apple chlorotic leaf spot virus 相关文章
SCIENCE IN THE NEWS - Killer Virus Brought Back From the Past, With the Hope to Avoid a New One By Cynthia Kirk and Caty Weaver Broadcast: Tuesday, October 18, 2005 (MUSIC) VOICE ONE: This is SCIENCE
关于托福考试,专家发现很多在中国人眼中写作水平良好、用词也相对比较准确的同学,在国际性托福考试写作部分中成绩却并不如人意。究其原因,一是表达不符合英语思维;二是对西方文
By Pat Harris Washington 12 April 2006 Watch Fat Virus report Obesity is a growing problem around the world. In the United States, for example, almost one-third of the adult population is overweight.
by Jill Moss Broadcast: July 23, 2003 This is Bill White with the VOA Special English Health Report. A medical company in Australia, PanBio, has developed a new test for West Nile 1)virus. The test ex
CANBERRA, Sept. 6 (Xinhua) -- A rare virus that can be contracted by humans has killed a large number of Victorian pigeons after being detected in the Australian state for the first time, Agriculture Department confirmed on Tuesday. According to the
在轻松愉快的氛围下,学生可以主动地掌握知识。比如在2008年2月3日词语掌故的节目中,与hit 相关的各个习语就得到了介绍,在介绍〝hit the spot〞的过程中,播音员先介绍这个习语的起源,原