单词：unclassed psittacine beak and feather disease virus
单词：unclassed psittacine beak and feather disease virus 相关文章
The Golden Bird 01 黄金鸟 01 A certain king had a beautiful garden, and in the garden stood a tree which bore golden apples. These apples were always counted, and about the time when they began to grow ripe it was found that every night one of them
牙牙学英语
With swine flu the big infectious disease story, you dont hear much about bird flu these days. And you may not have to look past your own nose for the reason. Because a new study finds that bird flu viruses may have trouble getting a good foothold i
60秒科学
WHO Confirms Bird Flu Virus Caused Human Deaths in Vietnam Katherine Maria The World Health Organization has confirmed that at least three people have died of bird flu in Vietnam, the same virus that
VOA2004（上）--各类新闻
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
VOA2003（下）-环境与健康
It's time that I bought a new camera. I need a digital that has a decent zoom. I realized that the other day when I was outside, trying to get a good shot of two birds who were nesting. I had been busy throwing the ball to our dogs, when I saw a flas
英语博客 A cup of English
BERLIN, July 26 (Xinhua) -- German national disease control center said on Tuesday that the country's deadly E. coli outbreak has been over, as no new case reported in the last three weeks. The Robert Koch Institute (RKI) said the last case related t
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