双流等离子体

太阳科普第15期

The key difference of course is that a sunspot's 最关键的不同点在于太阳黑子 an awful lot bigger and so the total energy, 大得多，所以太阳磁场内 or the amount of energy in the magnetic field 所含的总能量大得惊人 on th

发表于:2018-12-07 / 阅读(110) / 评论(0)

太阳科普

太阳科普第8期

Now the speed of light is a very,very big number. 光速是个很大的数字 So if we just take a small amount of mass, 所以只要一点点质量 you get a huge amount of energy. 就含有大量能量 And that's the energy which actually powers ou

发表于:2018-12-07 / 阅读(125) / 评论(0)

太阳科普

太阳科普第9期

Plasmas I always like to think of as being like naughty children. 我一直觉得电浆就像调皮的小孩 They're full of energy and they are, 充满了能量，随时随地都想捣蛋 want to misbehave and it's ourjob to try 我们的工作就是

发表于:2018-12-07 / 阅读(107) / 评论(0)

太阳科普

SSS 2010-02-19

When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

发表于:2018-12-24 / 阅读(67) / 评论(0)

Scientific American(二)月

2007年VOA标准英语-Private US Group Puts Up $100 Million to Stream

By Barbara Schoetzau Washington 28 September 2007 A private U.S. foundation has launched a $100 million initiative to strengthen health systems in Africa. From VOA's New York Bureau, correspondent Barbara Schoetzau reports the initiative will support

发表于:2019-01-07 / 阅读(122) / 评论(0)

2007年VOA标准英语（九月）

SSS 2008-05-16

This is Scientific American 60-Second Science, Im Cynthia Graber. This will just take a minute. Heres one space mission that is definitely going to be unmannedNASA is going to the sun. The Johns Hopkins University Applied Physics Laboratory is buildi

发表于:2019-01-08 / 阅读(98) / 评论(0)

Scientific American(五)月

SSS 2008-07-10

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? After a bad day at the office, were more likely to flip on a nature channel than find a flower-filled meadow or sunny beach to lower our stress. But if you cant head

发表于:2019-01-08 / 阅读(85) / 评论(0)

Scientific American(七)月

英文药品说明书的写法（十一）

上述10项是绝大多数英文药品说明书中必备项目，但是许多说明书中还常常出现其他一些项目。例如： 1、特点（Characteristics） 2、性质（Properties） 3、药代动力学（Phamacokinetics） 4、用药过量（

发表于:2019-01-08 / 阅读(92) / 评论(0)

医学英语

英文药品说明书的写法（二）

第二节性状许多药品说明书的第一项是Description（性状），其原意是叙述、描写，在药品说明书及药典中一般都译为性状，其内容主要是介绍外观、理化性质、组成成分、结构、特征等。这一

发表于:2019-01-08 / 阅读(123) / 评论(0)

医学英语

Lesson 78 - JUMP HORSES IN THE MIDDLE OF THE STREAM...

Don't change horses in the middle of the stream to jump on the bandwagon 美国的民意测验显示，布什总统落后于民主党候选人克林顿。这使人想起在十九世纪美国内战期间

发表于:2019-01-09 / 阅读(121) / 评论(0)

美国习惯用语

生活大爆炸第三季第九集_3

好吧 Well... -那我该给克瑞普克下毒 -不 - I suppose I could poison Kripke. - No! 不这其实很简单 No. It's a simple matter. 有那么几种有毒化学物 There are several toxic chemicals 尸检是查不出来的 that'd be untracea

发表于:2019-01-28 / 阅读(96) / 评论(0)

生活大爆炸第三季

YouTube to live stream British royal wedding

SAN FRANCISCO, April 19 (Xinhua) -- YouTube announced Tuesday that the much-anticipated British royal(王室) wedding of Catherine Middleton and Prince William will be live streamed on the website' s live channel. Next Friday, the live stream will fo

发表于:2019-02-03 / 阅读(110) / 评论(0)

英语新闻

VOA标准英语2009年-Chesapeake Bay Restoration, One Stream

Volunteers, farmers and local government in Pennsylvania community work to clean up waterways. Rosanne Skirble | Lititz, Pennsylvania 30 November 2009 Watch: Skirble report Windows Media Lititz Run prior to restoration with eroded stream banks and fe

发表于:2019-02-05 / 阅读(95) / 评论(0)

VOA标准英语2009年(十二月)

China faces severe plasma shortage: health minister

BEIJING, Dec. 11 (Xinhua) -- China is faced with severe challenges in collecting enough blood plasma to produce medicines, Health Minister Chen Zhu said Sunday. Chen called on the public to join blood donation after donating blood plasma at the Beiji

发表于:2019-02-07 / 阅读(88) / 评论(0)

英语新闻

水桶腰并非久坐导致

水桶腰并非久坐导致 We all know that too little exercise can pack on the pounds and contribute to heart disease and other ills, but a new study published in the European Heart Journal on Jan. 12 shows that we can even cause ourselves harm sim

发表于:2019-02-08 / 阅读(50) / 评论(0)

实用英语

发送电子邮件也会产生碳足迹么？

You might not realise it, but sending even a short email has an impact on the environment. 你可能没有意识到，即使是发送一封小小的邮件也会对环境产生影响。 Scientists estimate that an email adds about four grams (0.14 oun

发表于:2019-02-08 / 阅读(121) / 评论(0)

阅读空间

TED演讲:人生交叉点(7)

One of my favorite examples of liminal excellence comes from the late Dr. Claudia Alexander, 我最欣赏的一位具有交叉才能的榜样是已故的克劳迪娅亚历山大博士， a black woman plasma physicist, who passed away this past July

发表于:2019-02-13 / 阅读(91) / 评论(0)

TED演讲国际问题篇

Lesson 44-1 Home Appliances 家用电器

Listen to the statements and check the correct answers. 1.Is sweeping out the tiny dust bothering you a lot? From now on if you have this machine, doing the housework will become a very easy job. This is a portable vacuum cleaner. lt's light and wire

发表于:2019-02-17 / 阅读(75) / 评论(0)

英语听力练习题

Chinese health minister donates plasma

CHENGDU, May 5 (Xinhua) -- Chinese Health Minister Chen Zhu donated plasma on Saturday in Chengdu, capital of southwest China's Sichuan Province, and called on health workers to take the lead in blood donation to ease the country's blood supply short

发表于:2019-02-18 / 阅读(90) / 评论(0)

英语新闻

英文乡村歌曲：深情对唱Islands In The Stream - Dolly Parton

Baby, when I met you there was peace unknown I set out to get you with a fine tooth comb I was soft inside, there was somethin' going on You do something to me that I can't explain Hold me closer and I feel no pain Every beat of my heart We got somet

发表于:2019-02-25 / 阅读(82) / 评论(0)

美国乡村音乐

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