科学家改进空间天气预报准确性

Scientists Improve Space Weather Forecast Accuracy 科学家改进空间天气预报准确性 At one time, scientists thought the space between Earth and Sun was a vacuum . But we now know that the su

VOA慢速英语2017--Venezuelans Promise To Continue Protests

Opponents of the Venezuelan government have promised to continue street protests aimed at forcing out President Nicolas Maduro. The opposition warning came a day after at least two people were killed and hundreds arrested in Venezuelas largest anti-g

VOA慢速英语--美国国家航空航天局展示木星的构成

NASA's Juno Spacecraft Shows the Makeup of Jupiter Scientists are finding that the inside of Jupiter is just as interesting as the part of the planets atmosphere that we can see. At the center of the planet is a liquid mixture of the elements hydroge

SSS 2010-10-29

This is Scientific Americans 60-Second Science. Im Adam Hinterthuer. Got a minute? If there's a line in Vegas on the odds of life on another planet, now might be a good time to place a wager. A study in the journal Science examined 166 Sun-sized star

【英音模仿秀】请别说“情”比“金”坚

模仿文本：Take the relationship between the world's second biggest mining company Rio Tinto and the government of Mongolia. In the last few years, Rio Tinto has spent over $6 billion building a vast copper mine way out in the Gobi desert. It's d

NASA的朱诺航天飞船展示木星的部分构造

NASA's Juno Spacecraft Shows the Makeup of Jupiter Scientists are finding that the inside of Jupiter is just as interesting as the part of the planets atmosphere that we can see. At the center of the planet is a liquid mixture of the elements hydroge

TED演讲:我们为什么要排气(1)

Flatulence, or passing gas, is a normal daily phenomenon. 胀气，或者放屁，是正常的日常现象。 Most individuals, yes, that includes you, 大多数人，是的，这包括你， will make anywhere from 500-1500 milliliters of gas and ca

TED演讲 :飞向海洋(3)

And then our mothers tell us, Careful you don't fall down, because you'll fall over. 然后母亲告诉我们，没有跌倒也要小心，因为你还会掉下来。 Now, go into the real atmosphere of this planet. 现在，进入这个行星真正的

商业信函的7个“C”原则

写信的原则（Writing Principles）已从原来的3个C（Conciseness, Clearness, Courtesy）发展到目前的７个C：Completeness, Clearness, Concreteness, Conciseness, Correctness, Courtesy, Consideration实例: Dear Sirs,With reference to y

万物简史 第158期:爱因斯坦的宇宙(1)

Part III A New Age Dawns 第三部 一个新时代的黎明 A Physicist is the atoms way of thinking about atoms. -Anonymous 物理学家就是以原子的方式来考虑原子的人。无名氏 8 Einsteins Universe 第八章 爱因斯坦的宇宙 As

万物简史 第22期:如何营造一个宇宙(14)

For a long time the Big Bang theory had one gaping hole that troubled a lot of peoplenamely that it couldn't begin to explain how we got here. Although 98 percent of all the matter that exists was created with the Big Bang, that matter consisted excl

英语词汇分类：物理

matter 物质 energy 能 vacuum 真空 liquid 液体 fluid 流体 solid 固体 body 物体 mass 质量 weight 重量 density 密度 specific gravity 比重 gravity 重力 velocity 速度 kinetic energy

浅谈听力讲座中的天文学话题

天文学在我们听力讲座里面算是出现频率较高的话题了，在目前所有的176篇讲座里一共有14篇天文学类的文章，且都是比较有难度的，可以说，天文学类算是我们讲座里的一个重点也是难点了。

与美国小学生一起学英文第5册 第19期:矿井

Mine 矿井 People get different kinds of materials from different mines. 人们从不同的矿井中得到不同的矿物材料。 Gold comes from a gold mine. 黄金产自金矿。 Copper comes from a copper mine. 铜产自铜矿。 And coal comes

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

科技英语-常用句型

常用句型科技文章中经常使用若干特定的句型，从而形成科技文体区别于其他文体的标志。例如Itthat结构句型；被动态结构句型；结构句型，分词短语结构句型，省略句结构句型等。 举例如下

万物简史 第360期:进入对流层(1)

17 Into the Troposphere 第十七章 进入对流层 Thank goodness for the atmosphere. It keeps us warm. 谢天谢地，我们有了大气。它使我们有了个温暖的环境。 Without it, Earth would be a lifeless ball of ice with an average te

英语绕口令大全 第6期

以字母G开头英语绕口令： Give Mr.Snipa's wife's knife a swipe. 把史立巴先生的太太的刀子抹净 Give papa a cup of proper coffee in a copper coffee cup. 给老爸一杯用铜制咖啡杯装的好咖啡 Gertie's great-grandma grew

（考研词汇）新版—46

furthermore ad.而且，此外 furthest a. 最远的,最遥远的 fuse n.保险丝，导火线 future n.将来，未来 gain vt.vi.获得 n.利益 gallery n.长廊，游廊；画廊 gallon n.加仑 ga

【英语时差8,16】冰激凌融化：热传导 -上

Live a single day on planet Earth, or anywhere else in the universe for that matter, and you will experience the natural phenomenon of heat conduction, which is the term used to describe the natural flow of heat from warmer objects to cooler ones. Yo