儿童字汇

Broadcast: January 14, 2003 By Jill Moss VOICE ONE: This is Phoebe Zimmerman. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program about recent developments in sc

发表于:2018-12-07 / 阅读(43) / 评论(0) 分类 VOA2003(上)-健康资讯

World Closes In on Eradicating Polio Never before have so few children in the world had polio. Yet, as World Polio Day is observed Saturday, those who are trying to rid Earth of the virus say it's time to step up vaccination campaigns. If this happen

发表于:2018-12-16 / 阅读(21) / 评论(0) 分类 VOA标准英语2015年(十月)

SCIENCE IN THE NEWS - Efforts to Stop Polio Continue FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. I'm Faith Lapidus. BOB DOUGHTY: And I'm Bob Doughty. On our program this week, we tell about efforts to defeat the disease polio.

发表于:2019-01-12 / 阅读(38) / 评论(0) 分类 2011年VOA慢速英语(五)月

45 国际小儿麻痹预防运动 DATE=5-7-01 TITLE=DEVELOPMENT REPORT - UN Polio Campaign BYLINE=Jill Moss (Start at 1'01

发表于:2019-01-30 / 阅读(47) / 评论(0) 分类 科技之光

SCIENCE IN THE NEWS - Polio: How an Ancient Disease Met a Modern Prevention By Jerilyn Watson Broadcast: Tuesday, April 26, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English.

发表于:2019-01-30 / 阅读(85) / 评论(0) 分类 科技之光

By Gilbert da Costa Abuja 26 October 2007 A rare outbreak of vaccine-derived polio in Nigeria has prompted fears that current efforts to eradicate the disease in northern part of the country could suffer a major setback. The World Health Organization

发表于:2019-01-31 / 阅读(44) / 评论(0) 分类 2007年VOA常速英语(十月)