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SSS 2008-08-25

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute? For accurate weather forecasting and climate analysis, researchers need the best models possible about how the air circulates above the earth. And a new study is challe

发表于:2018-12-24 / 阅读(83) / 评论(0) 分类 Scientific American(八)月

SSS 2012-07-25

This is Scientific American's 60 seconds science. I'm Ian Chant. Got a minute Secret identities aren't just for superheros anymore. Researchers have found that protein present in everything from amoebas to people is living the double life. Once it bi

发表于:2018-12-24 / 阅读(88) / 评论(0) 分类 Scientific American(七)月

SSS 2010-05-27

This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a minute? A strain of mutant mice groom compulsively till they seriously injure themselves. The condition is considered a good animal model for OCD, and its similar to the human d

发表于:2018-12-24 / 阅读(97) / 评论(0) 分类 Scientific American(五)月

我的第一本英文作文书22

Chapter 22 校外教学 Tips: 1.Today I went to Danshui for a field trip. 2.First we went there by turist coach. 3.There was Today I went to Danshui for a field trip. I was so excietd and couldnt fall asleep. So I woke up too late in the morning, it

发表于:2019-01-02 / 阅读(135) / 评论(0) 分类 我的第一本英文作文书

电信专业英英词典C-6

补充： CBR continuous bit rate CCIS common-channel interoffice signaling CCITT CCITT is the International Consultative Committee for Telephone and Telegraph, a consultative committee to the Interna

发表于:2019-01-03 / 阅读(88) / 评论(0) 分类 电信英语

电信英语及其缩略语解释-7

CAPI Communication Application Program Interface 通信应用程序接口 carrier 载波，通信公司 CAS Call Accounting System 呼叫计次系统 CAS Channel Associated Signalling 随路信号方式

发表于:2019-01-03 / 阅读(97) / 评论(0) 分类 电信英语

电信英语及其缩略语解释-9

CDF Combined Distribution Frame 组合配线架 CDG CDMA（Code Division Multiple Access） Development Group CDMA（码分多址）开发小组 CD-I Compact Disk-Interactive 交互式光盘 CDMA Code

发表于:2019-01-03 / 阅读(103) / 评论(0) 分类 电信英语

SSS 2009-10-09

If the human genome were put in a straight line, it would be over six and a half feet long. So how do you store all that DNA in a tiny nucleus? And have the cell manage it? Researchers explain how in a study featured on the cover of the October 9th i

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 Scientific American(十)月

SSS 2009-10-05

The 2009 Nobel Prize in physiology or medicine goes to Harvards Jack Szostak, Johns Hopkinss Carol Greider and Elizabeth Blackburn at U.C. San Francisco for their work on how chromosomes are protected by telomeres and the enzyme telomerase. The Nobel

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 Scientific American(十)月

SSS 2010-11-08

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? One of the dreams of biomedical scientists is to be able to transform adult cells into other kinds of cells. And thus avoid some of the ethical concerns of working with

发表于:2019-01-08 / 阅读(115) / 评论(0) 分类 Scientific American(十一)月

SSS 2009-01-15

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Forget the scalpel, researchers at Johns Hopkins University have created a tool that can move easily through tissue, potentially making biopsies much less invasive.

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(一)月

SSS 2010-06-02

After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 Scientific American(六)月

美联社新闻一分钟 2007-04-11

1. Larry Birkhead says DNA tests prove he is the father of Anna Nicole Smith's infant daughter. He emerged triumphant from a closed hearing in the Bahamas to announce the results. Dannielynn could inherit a fortune in the wake of her mother's death

发表于:2019-01-08 / 阅读(114) / 评论(0) 分类 美联社新闻一分钟2007

AP 2011-12-16

1. Federal accident investigators are recommending states ban the use of cell phones and other electronic devices by all drivers except in emergencies. The recommendation follows a finding that the initial collision in a deadly highway pileup in Miss

发表于:2019-01-08 / 阅读(121) / 评论(0) 分类 美联社新闻一分钟2011(十二月)

美国俚语:Oh, boy! 什么意思?

参考对话： A: Guess what? We first got a flat tire, and now my cell phone is dead. A: 你猜怎么着? 开始我门的车爆胎了, 现在我的手机又没电了。 B: Oh, boy! B: 唉! flat tire 是爆胎的意思。 Oh, boy!是美国人加拿大

发表于:2019-01-08 / 阅读(68) / 评论(0) 分类 美国俚语

研究：缺觉会影响基因

Ive often wondered how exactly sleep, or lack of it , can have such a devastating effect on our bodies and, guess what, how much we sleep switches good genes on and bad genes off. 我时常思考，睡眠的充足与否会对我们的身体健康带来

发表于:2019-02-17 / 阅读(64) / 评论(0) 分类 阅读空间

蚊子和手机竟是一对冤家

South Korea's largest mobile phone operator said Thursday that it will offer cell phone users a new noise service that it says will repel mosquitoes. 韩国最大的移动电话运营商表示他们将向手机用户提供一项全新的干扰音服务

发表于:2019-02-18 / 阅读(90) / 评论(0) 分类 阅读空间

Scientists find neural stem cell regulator

WASHINGTON, April 16 (Xinhua) -- Researchers at the University of Colorado (CU) have found that lack of a specific gene interrupts neural tube closure, a condition that can cause death or paralysis. The study was the cover story this week in the jour

发表于:2019-02-18 / 阅读(93) / 评论(0) 分类 英语新闻

吴彦祖示范满分口语回答

常见的口语题目一：Describe a place which gives you the deepest impression? 【正常答案】 There is a park in front of school. I always go there and play with my friends. It has a basketball court. After 4 pm, there would have a lot of pe

发表于:2019-02-26 / 阅读(74) / 评论(0) 分类 英语口语

【跟着美剧练发音】老友记36

Chandler: So how does it feel knowing you're about to die? Joey: Warden, in five minutes my pain will be over. But you'll have to live with the knowledge that you sent an honest man to die. Chandler: Hey, that was really good! Joey: Yeah! Let's keep

发表于:2019-03-06 / 阅读(143) / 评论(0) 分类 跟着美剧练发音
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