氨基马尿酸盐

经济学人:分子生物学蛋白质的奥秘(3)

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是，如果一对氨基酸的一个侧链折叠后很长，

发表于:2018-12-05 / 阅读(446) / 评论(0)

经济学人科技系列

SSS 2009-01-23

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(435) / 评论(0)

Scientific American(一)月

SSS 2009-04-28

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

发表于:2018-12-24 / 阅读(416) / 评论(0)

Scientific American(四)月

纯正英语一分钟-hip-hop

I dont understand hip-hop. I think its an age thing. Hip-hop came along just as I stopped buying music and going to clubs. I really dont understand it. Most of my friends arent into it either. My sons are. They love it. Theyre into the fashion and th

发表于:2018-12-26 / 阅读(466) / 评论(0)

纯正英语一分钟

[单词解析速记].JV520.(Repulse.and.Spurious)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

发表于:2018-12-30 / 阅读(432) / 评论(0)

单词解析速记

英语语法：124 Ellipses Spurned

Today I have a special show for you because it's September 24: National Punctuation Day, a holiday created by an educator named Jeff Rubin. To celebrate the day I had a punctuation contest and today's show highlights two of the winners. Other winners

发表于:2019-01-02 / 阅读(544) / 评论(0)

英语语法 Grammar Girl

Designer Antibiotics

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson （Start at 1'04

发表于:2019-01-02 / 阅读(561) / 评论(0)

科技之光

专业术语—基因专业词汇A/B

发表于:2019-01-03 / 阅读(411) / 评论(0)

医务英语

美国习惯用语: Lesson 184 - HIPPIE / TO SHOOT FROM THE HIP

今天我们要给大家讲的两个习惯用语都和hip这个字有关。Hip就是人身体上的臀部。美国人有一些俗语是以hip这个字为基础发展出来的，可是它们的意思跟

发表于:2019-01-09 / 阅读(531) / 评论(0)

美国习惯用语

2006年VOA标准英语-Activists Spur Movement to Mobilize US Politica

By Jim Malone Washington 23 June 2006 Political activists, frustrated by the polarized nature of American politics, have decided to do something about it in time for the next U.S. presidential election in 2008. --------------- Unity08.com screenshot

发表于:2019-01-13 / 阅读(553) / 评论(0)

2006年VOA标准英语（六月）

美国习惯用语:337 shoot from the hip

今天我们还要讲几个由 shoot 这个词发展而成习惯用语。第一个是: shoot from the hip。Hip是臀部也是髋关节的部位。这个习惯用语让我们想起当年粗旷甚至野蛮的美国西部生活。当时人不离枪、枪

发表于:2019-01-16 / 阅读(490) / 评论(0)

美国习惯用语

经济学人152:攻破屏障

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(541) / 评论(0)

经济学人科技系列

经济学人107:克雅氏病攻破屏障

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技克雅氏病攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

发表于:2019-01-26 / 阅读(464) / 评论(0)

经济学人科技系列

英语博客-北美风情 60、Jewelry Designer Sheena Purcel

图片1 Wed like to introduce Sheena Purcell to you. She is a new friend of ours at Culips and she is super talented. In this Chatterbox episode, Sheena tells us a little bit about her experience as a jewelry designer and how she decided to start mak

发表于:2019-01-28 / 阅读(422) / 评论(0)

英语博客-北美风情

VOA常速英语2007年-Israeli Delegation to Tell US Iran Still Pursui

By Robert Berger Jerusalem 16 December 2007 An Israeli delegation is making an unscheduled visit to the United States amid disagreements over the recent American intelligence report on Iran. As Robert Berger reports from VOA's Jerusalem bureau, the v

发表于:2019-01-31 / 阅读(467) / 评论(0)

VOA常速英语2007年（十二月）

VOA常速英语2008年-Pope Addresses US Clergy, Calls for Purificatio

By Margaret Besheer New York 19 April 2008 Pope Benedict told American Catholic clergy and nuns on Saturday that the Church in the United States must work to overcome its divisions, saying this is a time of healing and purification, after the sexual

发表于:2019-01-31 / 阅读(457) / 评论(0)

VOA常速英语2008年（四月）

2006年VOA标准英语-Iraq Panel Could Spur Bipartisan Cooperation

By Jim Malone Washington 08 December 2006 President Bush and members of Congress from both political parties have generally welcomed the recommendations put forward by the Iraq Study Group headed by former Secretary of State James Baker and former C

发表于:2019-02-04 / 阅读(510) / 评论(0)

2006年VOA标准英语（十二月）

万物简史第407期:生命的起源(1)

19 The Rise Of Life 第十九章生命的起源 In 1953, Stanley Miller, a graduate student at the University of Chicago, took two flasksone containing a little water to represent a primeval ocean, 1953年，芝加哥大学的研究生斯坦利米勒拿

发表于:2019-02-17 / 阅读(450) / 评论(0)

万物简史

万物简史第408期:生命的起源(2)

Proteins are what you get when you string amino acids together, and we need a lot of them. 你把氨基酸串在一起，就得到了蛋白质。我们需要大量的蛋白质。 No one really knows, but there may be as many as a million types of pro

发表于:2019-02-17 / 阅读(407) / 评论(0)

万物简史

每天吃鲑鱼像戒烟一样有益

Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说，每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu

发表于:2019-02-18 / 阅读(681) / 评论(0)

阅读空间

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

ABPM

accumulator instrumentation assembly

all by herself

anti-histamine

assmann (ventilated) psychrometer

average years of a generation