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(81) / 评论(0) 分类 Scientific American(八)月

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(86) / 评论(0) 分类 Scientific American(七)月

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(95) / 评论(0) 分类 Scientific American(五)月

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(133) / 评论(0) 分类 我的第一本英文作文书

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(83) / 评论(0) 分类 电信英语

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(93) / 评论(0) 分类 电信英语

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(98) / 评论(0) 分类 电信英语

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(87) / 评论(0) 分类 Scientific American(十)月

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(99) / 评论(0) 分类 Scientific American(十)月

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(113) / 评论(0) 分类 Scientific American(十一)月

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(96) / 评论(0) 分类 Scientific American(一)月

ECONOMICS REPORT - Bush Signs Major Energy and Transportation Bills By Mario Ritter Broadcast: Friday, August 12, 2005 I'm Bob Doughty with the VOA Special English Economics Report. President Bush has

发表于:2019-01-25 / 阅读(77) / 评论(0) 分类 健康与经济

Dylans car was 20 years old, but the faded paint made it look even older. His friend Joe told him no girl would ever go out in a car that looked like that. So Dylan took the car to a paint shop and got it painted dark blue for only $200. He was very

发表于:2019-01-27 / 阅读(101) / 评论(0) 分类 365个英语简短小故事

BEIJING, Sept. 26 (Xinhuanet) -- Weather forecasts showed that Thursday or Friday might be suitable for launching the Tiangong-1 spacecraft, experts said. The unmanned spacecraft, part of China's first spacecraft rendezvous and docking mission, was s

发表于:2019-02-03 / 阅读(109) / 评论(0) 分类 英语新闻

Pimples are caused by blocked skin pores 毛孔堵塞导致的pimple Zits are caused by clogged oil and melanin glands in the skin. 皮肤中的黑色素腺体和油脂堵塞导致的zit Emma stated that breakouts on the cheeks are often linked to ir

发表于:2019-02-11 / 阅读(83) / 评论(0) 分类 早安英文

今天我们要学的词是 imminent. Imminent 形容词,即将发生的,迫在眉睫的。The United Nations said Yemeni cities are running out of clean water and fuel, facing an imminent catastrophe. 联合国表示,也门的城市面临迫在眉

发表于:2019-02-16 / 阅读(105) / 评论(0) 分类 英语单词荟萃

Japanese authorities have raided the headquarters of Suzuki, as part of an ongoing probe into the carmaker's use of improper fuel economy tests. 日前,日本政府对铃木总部进行了突击检查,以调查铃木是否在汽车生产中使用了

发表于:2019-02-18 / 阅读(57) / 评论(0) 分类 英语新闻

Mitsubishi Motors admitted last week to using improper fuel-efficiency testing procedures to present inaccurate fuel consumption rates. The scandal came as a surprise to many. But for Hideyuki Kobayashi, a business law professor at Hitotsubashi Unive

发表于:2019-02-21 / 阅读(82) / 评论(0) 分类 cctv9英语新闻2016年

Animal And Machine The body of an animal may well be compared with(1) some machine like a locomotive engine. Indeed, the animal body is a machine. It is a machine composed of(2) many parts, each part doing some particular kind of work for which a par

发表于:2019-02-25 / 阅读(73) / 评论(0) 分类 双语有声阅读

The plunge of oil prices has helped reduce fuel costs and made airlines big winners. Cathay Pacific Airways said on Wednesday that its annual profit nearly doubled in 2015. The net profit of Hong Kong's biggest airline jumped 90% from the year before

发表于:2019-02-25 / 阅读(95) / 评论(0) 分类 cctv9英语新闻2016年