蚋莺科

Polio1

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)

VOA2003（上）-健康资讯

DEVELOPMENT REPORT - Polio Campaign in Africa

DEVELOPMENT REPORT - Polio Campaign in Africa By Karen Leggett Broadcast: Monday, October 11, 2004 This is Gwen Outen with the VOA Special English Development Report. Health workers in West and Centra

发表于:2019-01-02 / 阅读(33) / 评论(0)

农业与发展

SCIENCE IN THE NEWS - Saying Goodbye to Polio: Not There Yet

SCIENCE IN THE NEWS - Saying Goodbye to Polio: Not There Yet, but Close By Karen Leggett and Cynthia Kirk Broadcast: Tuesday, December 27, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VOA Sp

发表于:2019-01-02 / 阅读(26) / 评论(0)

科技之光

New Battle Against 1)Post-Polio Sequelae

Broadcast: Mar 16, 2003 It takes three months to get an appointment at the Post Polio Institute in Englewood, New Jersey, where patients are evaluated and treated for Post-Polio Sequelae. These polio

发表于:2019-01-03 / 阅读(48) / 评论(0)

VOA2003（上）-健康之旅

Be an Optimist

Be an Optimist（做一个乐观的人） Do you see the glass as half－full rather than half empty? Do you keep your eye upon the doughnut，not upon the hole? Suddenly these clichs are scientific questions，as researchers scrutinize the power of

发表于:2019-02-04 / 阅读(40) / 评论(0)

阅读空间

An Optimist

Two frogs in the belly of a snake were considering their altered circumstances．This is pretty bad luck，said one．Don't jump to conclusions，the other said，we are out of the wet and provided with board and lodging． With lodging，certainly，

发表于:2019-02-09 / 阅读(39) / 评论(0)

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学英语单词

bronchiolitis obliterans

butenyl group