胚冠细胞

NPR 2008-09-26

After a summit at the White House today between top congressional leaders, the president and both presidential candidates as well, a proposed 700-billion-dollar financial bailout deal now appears to be in some flux. NPR's Debbie Elliott has more. Co

发表于:2018-12-02 / 阅读(142) / 评论(0)

2008年NPR美国国家公共电台九月

21世纪大学英语读写教程第一册 Unit10

Unit 10 Text A Listening First Listening Before listening to the tape, have a quick look at the following words and phrases. overseas 向海外 fantasy 幻想 cell 细胞 gene 基因 identical twins 同

发表于:2018-12-04 / 阅读(118) / 评论(0)

21世纪大学英语读写教程

SCIENCE IN THE NEWS - Top stories of 2001

SCIENCE IN THE NEWS -January 8, 2002: Top stories of 2001 By Nancy Steinbach VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Doug Johnson with the Special English program SCIENCE IN THE NEWS. T

发表于:2018-12-07 / 阅读(124) / 评论(0)

科技之光

VOA慢速英语--科学家离创造实验室胚胎更近了一步

Scientists Come Closer to Creating Laboratory Embryos An international team of scientists says it has moved a step closer to creating artificial embryos. The team used stem cells from mice. Stem cells are simple cells that can develop into other kind

发表于:2018-12-17 / 阅读(89) / 评论(0)

2018年VOA慢速英语(八)月

有声英文阅读-克隆一个你？

Is Cloning the Future? Saving lives has always been an important mission of science. Now science, and indeed all society, is facing a new dilemma:whether or not to try and save more lives through huma

发表于:2018-12-31 / 阅读(155) / 评论(0)

有声英文阅读

VOA慢速英语20060830a

HEALTH REPORT - Scientists Develop Stem Cells Without Loss of EmbryosBy Caty Weaver Broadcast: Wednesday, August 30, 2006 This is the VOA Special English Health Report. Researchers say they have found

发表于:2019-01-02 / 阅读(114) / 评论(0)

2006年慢速英语（八）月

VOA慢速英语20060906a

HEALTH REPORT - Gene Therapy Used to Treat Cancer | Stem Cell Study Leads to Criticism, QuestionsBy VOA Staffs Broadcast: Wednesday, September 06, 2006 This is the VOA Special English Health Report. A

发表于:2019-01-02 / 阅读(173) / 评论(0)

2006年慢速英语（九）月

SCIENCE IN THE NEWS - Cloning in South Korea / Ancient Insec

SCIENCE IN THE NEWS - Cloning in South Korea / Ancient Insect / Preeclampsia Research By Broadcast: Tuesday, March 09, 2004 (THEME) VOICE ONE: This is Science in the News, in VOA Special English. I'm

发表于:2019-01-02 / 阅读(199) / 评论(0)

科技之光

TED演讲:医学的未来?也许是手机上的一个应用程序(5)

We use those in my field of bone marrow transplantation. 我们把这些干细胞用于骨髓移植领域。 Geron, just last year, started the first trial using human embryonic stem cells to treat spinal cord injuries. 杰龙去年开始第一次尝试

发表于:2019-01-03 / 阅读(160) / 评论(0)

TED演讲科学篇

How far should science go to help the sick and the suffering

Jackie: Welcome to BBC Learning English dot com and Insight Plus - a series first broadcast in 2001 that looks at the language of issues you hear about in the news. How far should science go to help the sick and the suffering? Today on Insight Plus,

发表于:2019-01-07 / 阅读(212) / 评论(0)

英语讨论

SSS 2011-04-05

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? A rolling stone gathers no moss. But a salamander embryo can attract algae inside its tissues and cells. This intimate co-habitationthe first ever seen between algae and a

发表于:2019-01-08 / 阅读(176) / 评论(0)

Scientific American(四)月

英语新词：试管婴儿的“细胞拍”cellfies

不少准妈妈们都为宝宝做过三维或四维彩超，并给宝宝们拍下人生中的第一张照片。而试管宝宝们如今更可以拥有自己胚胎细胞时期的珍贵影像，这就是细胞拍。 It is the latest trend in baby pictu

发表于:2019-01-08 / 阅读(143) / 评论(0)

英文语法词汇

2006年VOA标准英语-Fetal Stem Cells Created Without Destroying Emb

By Efam Dovi Accra 23 August 2006 In Ghana, a high court in the capital Accra Tuesday sentenced five robbers to more than 300 years in prison in what the police say is a clear sign the country is taking violent crime seriously. The spate of armed ro

发表于:2019-01-11 / 阅读(234) / 评论(0)

2006年VOA标准英语（八月）

VOA慢速英语 2007 1204b

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: File photo of embryonic stem cells in a laboratory dish And I'm Pat Bodnar. This week, we will tell about efforts to make what appear to be embryonic stem cel

发表于:2019-01-11 / 阅读(208) / 评论(0)

VOA慢速英语2007年（十二）月

研究人员“培育”新脑细胞治疗大脑损伤

Researchers Repair Brain Injuries With New Cells 研究人员培育新脑细胞治疗大脑损伤 A group of researchers at Rice University in Texas are learning how to help the brain heal from serious injuries. Brain cells, called neurons, connect w

发表于:2019-01-12 / 阅读(107) / 评论(0)

2016年VOA慢速英语(四)月

美国国家公共电台 NPR Embryo Experiments Reveal Earliest Human Development, But Stir Ethical Debate

RACHEL MARTIN, HOST: Scientists doing embryo research are facing some sensitive questions over a new generation of scientific experiments, questions like how long should scientists be allowed to keep human embryos alive in their labs to study them? A

发表于:2019-01-16 / 阅读(150) / 评论(0)

2017年NPR美国国家公共电台3月

VOA常速英语2007年-Scientists Reprogram Skin Cells to Act Like Emb

By VOA News 20 November 2007 Two separate teams of scientists say they have transformed ordinary human skin cells into ones that look and act like embryonic stem cells. Laboratory teams at universities in the United States and Japan Tuesday announced

发表于:2019-01-31 / 阅读(119) / 评论(0)

VOA常速英语2007年（十一月）

胚胎技术重大突破未来也可人工制造？

近日，《科学》杂志在线报道称，剑桥大学的科学家们通过使用两种干细胞以及一个三维支架，成功地创造出了一个能够自行组装的结构，其发育和构造非常接近自然的小鼠胚胎。科学家的研

发表于:2019-02-01 / 阅读(100) / 评论(0)

阅读空间

经济学人181:细胞生物学各就各位

Science and technology 科学技术 Cell biology 细胞生物学 On your marks... 各就各位 The first cell race in history may further knowledge about how cancers spread 历史上的首次细胞赛跑，可能增进了解有关癌症如何扩散的知

发表于:2019-02-16 / 阅读(125) / 评论(0)

经济学人科技系列

经济学人319:诺贝尔生理学奖再生医学界的大好人

Science and technology 科学技术 The 2012 Nobel prizes 诺贝尔生理学奖 Good eggs 再生医学界的大好人 THIS year's Nobel physiology prize goes to Sir John Gurdon and Shinya Yamanaka for a crucial discovery in stem-cell science?how to m

发表于:2019-02-24 / 阅读(149) / 评论(0)

经济学人科技系列

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

age age

Aldrich, Thomas Bailey

ALERFA

alternative therapies

cash basis of revenue recognition

cerebrospinal canal