齿条齿轮式织带机

VOA慢速英语20060103b

SCIENCE IN THE NEWS - 2005: Looking Back at the Year in ScienceBy Caty Weaver Broadcast: Tuesday, January 03, 2006 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Dough

发表于:2018-12-17 / 阅读(30) / 评论(0)

2006年慢速英语（一）月

SCIENCE IN THE NEWS - Progress Made in Stem Cell Research

SCIENCE IN THE NEWS - Progress Made in Stem Cell Research By Caty Weaver, Jerilyn Watson, ... Broadcast: Tuesday, May 31, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I

发表于:2019-01-09 / 阅读(54) / 评论(0)

科技之光

听一分钟英文：Stem Cell Research-干细胞研究

Im all for stem cell research. I know it is a huge issue at the moment. Lots of people dont like it. They say it is unethical and that it is playing God. Other people say we will create Frankensteins monster. Britain seems to be leading the world in

发表于:2019-01-24 / 阅读(31) / 评论(0)

听一分钟英文-S

癌症治疗新手段

28 癌症治疗新手段 DATE=5-29-01 TITLE=SCIENCE IN THE NEWS #2126 - New Cancer Treatments BYLINE=Nancy Steinbach VOICE ONE: This is Doug Johnson. VOICE TWO: And this is Sarah Long with Science in

发表于:2019-01-30 / 阅读(143) / 评论(0)

自然探索

VOA常速英语2007年-Stem Cell Research Dominates 2007 Medical Field

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(74) / 评论(0)

VOA常速英语2007年（十二月）

经济学人268:干细胞的应用特效医学

Science and technology 科学技术 The uses of stem cells 干细胞的应用 Potent medicine 特效医学 Stem cells may transform the development of new drugs 干细胞可能改写新药发展 PLURIPOTENT is a long word that means able to do many t

发表于:2019-02-24 / 阅读(66) / 评论(0)

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acid concentration

actual capital coefficient

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