[化] 流动镶嵌模型; 膜的流动镶嵌模型

CNN 2011-08-25

The situation is still very fluid. There remains degree of uncertainty and there are still regime elements who pose a threat. But this much is clear: The Gaddafi regime is coming to an end, and the future of Libya is in the hands of its people. In ju

发表于:2018-12-02 / 阅读(151) / 评论(0)

CNN2011年(八)月

你每天需要喝8杯水吗？

Do you need eight glasses of water everyday? Tring to do the right thing by drinking eight full glasses of water everyday may do little more than making a person run to the bathroom, a researcher said. Newspaper articles, health and beauty magazines

发表于:2018-12-05 / 阅读(181) / 评论(0)

有声杂志阅读

AMERICAN MOSAIC

AMERICAN MOSAIC By Broadcast: Friday, January 30, 2004 (THEME) HOST: Welcome to AMERICAN MOSAIC -- a program in VOA Special English about music and American life. And we answer your questions. (THEME)

发表于:2018-12-07 / 阅读(287) / 评论(0)

American Mosaic

AMERICAN MOSAIC - What to Call a Storm? How Scientists Name

AMERICAN MOSAIC - What to Call a Storm? How Scientists Name Hurricanes By Dana Demange and Nancy Steinbach Broadcast: Friday, September 23, 2005 (MUSIC) HOST: Welcome to AMERICAN MOSAIC, in VOA Specia

发表于:2018-12-07 / 阅读(245) / 评论(0)

American Mosaic

VOA慢速英语20061129a

HEALTH REPORT - Waltzing Pumps Up Heart PatientsBy Lawan Davis Broadcast: Wednesday, November 29, 2006 This is the VOA Special English Health Report. A social dancing program at a senior citizen cente

发表于:2019-01-02 / 阅读(166) / 评论(0)

2006年慢速英语(十一)月

AMERICAN MOSAIC - Christmas in the U.S.

AMERICAN MOSAIC - Christmas in the U.S. By Nancy Steinbach and Cynthia Kirk Broadcast: Friday, December 24, 2004 DOUG JOHNSON: Welcome to American Mosaic, in VOA Special English. This is Doug Johnson.

发表于:2019-01-02 / 阅读(203) / 评论(0)

American Mosaic

AMERICAN MOSAIC - Sam Gilliam: A Painter Who Always Tries So

AMERICAN MOSAIC - Sam Gilliam: A Painter Who Always Tries Something New By Dana Demange, Katherine Gypson and Jerilyn Watson Broadcast: Friday, December 09, 2005 (MUSIC) HOST: Welcome to AMERICAN MOSA

发表于:2019-01-02 / 阅读(393) / 评论(0)

American Mosaic

AMERICAN MOSAIC - When It Ain't Right to Use 'Ain't' in Engl

AMERICAN MOSAIC - When It Ain't Right to Use 'Ain't' in English, and When It Is By Dana Demange and Nancy Steinbach Broadcast: Friday, December 16, 2005 (MUSIC) HOST: Welcome to AMERICAN MOSAIC, in VO

发表于:2019-01-02 / 阅读(302) / 评论(0)

American Mosaic

AMERICAN MOSAIC - Up, Up and Away ... to a Balloon Museum in

AMERICAN MOSAIC - Up, Up and Away ... to a Balloon Museum in Albuquerque By Lawan Davis and Nancy Steinbach Broadcast: Friday, October 07, 2005 (MUSIC) HOST: Welcome to AMERICAN MOSAIC, in VOA Special

发表于:2019-01-02 / 阅读(372) / 评论(0)

American Mosaic

SSS 2008-11-18

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin

发表于:2019-01-08 / 阅读(195) / 评论(0)

Scientific American(十一)月

AMERICAN MOSAIC - Friday the 13th: So What's the Big Deal?

AMERICAN MOSAIC - Friday the 13th: So What's the Big Deal? By Nancy Steinbach,Caty Weaver Broadcast: Friday, May 13, 2005 (MUSIC) HOST: Welcome to AMERICAN MOSAIC, in VOA Special English. I'm Gwen Out

发表于:2019-01-11 / 阅读(328) / 评论(0)

American Mosaic

VOA慢速英语2014 纽约博物馆大大小小的展品

From Huge to Extra Small, at New York City Museum 纽约博物馆大大小小的展品 Welcome to American Mosaic from VOA Learning English. Im Caty Weaver. Inside the Queens Museum in New York City there is another New York City. It is a 50-year-old

发表于:2019-01-12 / 阅读(205) / 评论(0)

2014年VOA慢速英语(八)月

烧烤Barbecue: BBQ

CHARLIE: Beer! Where is the beer! HUGH: Don't be such a beer hog, Charlie. Why don't we play some frisbee first? CHARLIE: Frisbee? Without beer? Are you kidding? I won't be able to catch it. I won't b

发表于:2019-01-22 / 阅读(257) / 评论(0)

娱乐英语

【英语语言学习】睡眠与健康

Sleep. It's something we spend about a third of our lives doing, but do any of us really understand what it's all about? Two thousand years ago, Galen, one of the most prominent medical researchers of the ancient world, proposed that while we're awak

发表于:2019-01-24 / 阅读(260) / 评论(0)

英语语言学习

Foot-and-Mouth (1)Disease

22 防止口蹄疫的传播 DATE=3-17-01 TITLE=IN THE NEWS #472 - Foot-and-Mouth (1)Disease BYLINE=George Grow (Start at 1'08

发表于:2019-01-30 / 阅读(239) / 评论(0)

科技之光

（考研词汇）新版—42

flow vi.流，流动 flower n.花，花卉；开花 flu n.流行性感冒 fluctuate vi.波动 vt.使波动 fluent a.流利的，流畅的 fluid n.流体，液体 flush n.兴奋，脸红；发烧 flute

发表于:2019-02-01 / 阅读(440) / 评论(0)

考研英语

乔布斯传第440期:工作室探奇(3)

He can get a sense of the sweep of the whole company, the iPhone and iPad, the iMac and laptop and everything we're considering. 他能够把握公司的全局，包括iPhone、iPad、iMac和笔记本电脑，以及其他我们正在考虑的产品。

发表于:2019-02-15 / 阅读(140) / 评论(0)

乔布斯传

机械专业英语词汇

后角 clearance angle 龙门刨削 planing 主轴 spindle 主轴箱 headstock 卡盘 chuck 加工中心 machining center 车刀 lathe tool 车床 lathe 钻削镗削 bore 车削 turning 磨床 grinder 基准 benchmark 钳工 locksmith 锻 forge 压模

发表于:2019-02-18 / 阅读(229) / 评论(0)

实用英语

散文欣赏-追忆似水年华

Can it really be sixty-two years ago that I first saw you? 我们初次相遇，难道真的是六十二年前吗？ It is truly a lifetime, I know. But as I gaze into your eyes now, it seems like only yesterday that I first saw you, in that small ca

发表于:2019-02-19 / 阅读(170) / 评论(0)

英语美文

听播客学英语 258 兽医

My friend Sarah is a vet. I have asked her to tell us about a typical days work. I am a veterinary surgeon and work for a charity called PDSA, which stands for the Peoples Dispensary for Sick Animals. We treat pets belonging to people who are on stat

发表于:2019-03-01 / 阅读(218) / 评论(0)

听播客学英语

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学英语单词

a-a-a

acetyl coenzyme A hydrolase

agranular chloroplast

bubble back cavitation

cable in triples