重蚀纹病毒

美国国家公共电台 NPR How Zika Became So Dangerous For Babies

AILSA CHANG, HOST: Scientists say they have solved a mystery about the Zika virus. They think they've figured out why the virus became a global threat all of a sudden and started causing severe birth defects. As NPR's Michaeleen Doucleff reports, the

发表于:2018-12-02 / 阅读(69) / 评论(0)

2017年NPR美国国家公共电台9月

VOA慢速英语2013 世卫组织帮助营养不良儿童治疗艾滋病毒

AS IT IS 2013-12-17 WHO: Test, Treat Malnourished Children for HIV 世卫组织帮助营养不良儿童治疗艾滋病毒 From VOA Learning English, welcome to As It Is. Im Steve Ember in Washington. Today on our program, we tell about a study that s

发表于:2018-12-07 / 阅读(26) / 评论(0)

2013年VOA慢速英语(十二)月

Hepatitis1

Broadcast: Feb 4, 2003 By Mario Ritter VOICE ONE: This is Sarah Long. VOICE TWO: And this is Doug Johnson with SCIENCE IN THE NEWS, a VOA Special English program about recent developments in science.

发表于:2019-01-02 / 阅读(46) / 评论(0)

VOA2003（上）-健康资讯

VOA慢速英语-Agriculture Report - Finding the Biological Roots of

This is the VOA Special English Agriculture Report. A farmer in his maize field near Arusha, Tanzania The maize streak virus causes one of the most destructive crop diseases in Africa. Not only is it economically damaging, it can also threaten food

发表于:2019-01-11 / 阅读(50) / 评论(0)

VOA慢速英语2008年（九）月

VOA标准英语2012--Experts Troubled by New Dengue Outbreaks in Western Hemisphere

Experts Troubled by New Dengue Outbreaks in Western Hemisphere Dengue had been eliminated in this hemisphere for quite a while but unfortunately it got reintroduced and has been generally growing since then, said Donald Shepherd. Donald Shepherd spok

发表于:2019-01-13 / 阅读(34) / 评论(0)

VOA标准英语2012年(五月)

VOA标准英语2011--Dengue Severity Depends on Prior Infection, Genetic Variation

Dengue Severity Depends on Prior Infection, Genetic Variation American and Nicaraguan scientists have discovered the reason why a second infection with dengue can often be much more serious, even fatal, than the first. Dengue is a viral disease sprea

发表于:2019-01-13 / 阅读(40) / 评论(0)

VOA标准英语2011年(十二月)

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

adjusted current assets

air to air transmitter/receiver