椭圆极化天线

VOA标准英语2010年-US Scientists Unlock Clues to Mystery

Researchers find circadian clock in Monarch's antenna plays a major role in navigation Shelley Schlender | Michoacn, Mexico 22 March 2010 Scientists believe antennas are critical to the navigation of the Monarch butterfly. Related Links Monarch Watch

发表于:2018-12-16 / 阅读(175) / 评论(0)

VOA标准英语2010年(三月)

2015-01-07 科学新发现：重新发现冥王星-23

76 years after Pluto's discovery and after 17 years of research and development, Nasa's new Horizon Spacecraft sets out for Pluto. Travelling at around a million miles a day, it's on a 9-year, 700-million-dollar journey to reach Pluto and review its

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探索与发现2015年

每日一词【25】planet：行星

我们今天学的词是：planet。Planet是行星。不过你听说了吗，太阳系中排行第九的行星冥王星Pluto被降级了。Astronomers' reclassification strips ninth planet of status in solar system. 国际天文学会对行星重新定

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英语每日一词

学个词 Learn a Word-VOA英语教学 3158 polarized

今天我们要学的词是 polarized. polarized is spelled p-o-l-a-r-i-z-e-d, polarized. Polarized是指鲜明的，两极分化的，In today's highly polarized political environment, Republican and Democratic partisans have staked their positions

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英语单词荟萃

简单慢速英语阅读:The Indoor Antenna

Brian didnt have cable TV. He didnt have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He looke

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简单慢速英语阅读

原版英语小短文 25. The Indoor Antenna

Brian didn't have cable TV. He didn't have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He loo

发表于:2019-01-02 / 阅读(171) / 评论(0)

原版英语小短文

SSS 2012-03-06

This is Scientific American 60 Second Science, I am Cynthia Graber, this will just take a minute~ How can we search for life on exoplanets? Step one: examine the Earth as if it were an exoplanet. Thats the idea behind a recent look at earthshine. Res

发表于:2019-01-08 / 阅读(169) / 评论(0)

Scientific American(三)月

SSS 2012-02-09

This Scientific Americans 60 senconds science. I'm Cythia Graber. This will just take a minute. How did the zebra get stripes. One theory holds that stripes help confused predators. But stripes might be primarilly to protect zebras from ferocious ins

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Scientific American(二)月

2006年VOA标准英语-Annan Describes Polarized World in Farewell Add

By Peter Heinlein United Nations 19 September 2006 Secretary-General Kofi Annan opened the annual U.N. General Assembly debate with a grim assessment of world progress during his 10-year term in office. ---- Kofi Annan opens his last U.N. General As

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2006年VOA标准英语（九月）

VOA标准英语2011--Key Vote Looms in US Amid Polarized Poli

Key Vote Looms in US Amid Polarized Political Atmosphere Sometings during the next several weeks, the U.S. Congress will take up the issue of raising the nation's debt ceiling so that the United States can continue to borrow money to cover a national

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VOA标准英语2011年(四月)

2016年苹果秋季发布会：Iphone7如何进化了？

Apple Inc. unveiled its new water- and dust-resistant iPhone 7 and a new version of its Apple Watch with high-resolution cameras at its fall product event on Wednesday, and said a Super Mario game was coming to the new phone and Pokemon Go would feat

发表于:2019-01-17 / 阅读(198) / 评论(0)

实用英语

科学美国人60秒 SSS Giant Alien Antenna

(Probably Not a) Giant Alien Antenna强大的外星人光束 The Earth is studded with telescopes, listening for electromagnetic radiation from the great beyond. And a decade ago, astronomers stumbled upon a mysterious signal: a powerful pulse of rad

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2017年Scientific American(三)月

陨落星辰第二季第33期:研究残骸(2)

Well, if they're drones, they got to get their commands from somewhere, right? Yeah. 如果它们是无人机，那总得从某处获得指令吧。没错 I mean, it's most likely this base. 很可能就是这个基地了 Yeah, this big flyswatter-lo

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陨落星辰第二季

惹毛老板的5个方法，you can you up！

First of all know this: youre valuable. We love you. Youre important to the business. Its just that, well, sometimes as an employee you can do things that get under our skin. Want some examples? OK, here are five. Yes, some may seem petty. But theyre

发表于:2019-02-01 / 阅读(123) / 评论(0)

阅读空间

每日一词【1092】Polarized：两极分化的

今天我们要学的词是polarized。 Polarized, 两极分化的。 A polarized society, 两极分化的社会。 The debate over illegal immigration has become polarized lately, 有关非法移民议题而展开的辩论最近日趋两极化。美国

发表于:2019-02-03 / 阅读(156) / 评论(0)

英语每日一词

关于手机的常用英文缩写

常用手机英文和英文缩写： Front cover 手机盖 Display screen 屏幕 Battery status 电力状态 Antenna 天线 Receiver 受话听筒 Dial button 拨号键 Disconnect button 结束键 Keyboard 键盘 Star key 米字键 Pound key 井字键

发表于:2019-02-05 / 阅读(165) / 评论(0)

英语口语

The Giants Secret

The Giants SecretLong ago there was a king who had a very brave son. One day the son told his father, Father, I am going to roam the world in search of adventures.The king did not want to grant his son permission to do so, but the prince insisted so

发表于:2019-02-08 / 阅读(193) / 评论(0)

英美文化

英语听力文摘 English Digest 368、屎壳郎的“导航仪”

The Eye of the Dung Beetle A number of animals, including honeybees and butterflies, use sunlights polarization in their navigation s , but the dung beetle is the first animal ever discovered to use moonlights polarization to guide its travels. Polar

发表于:2019-02-16 / 阅读(157) / 评论(0)

英语听力文摘 English Digest

学个词Learn a Word 第1092期 Polarized

发表于:2019-02-18 / 阅读(127) / 评论(0)

英语单词荟萃

学个词 25:planet

发表于:2019-02-24 / 阅读(213) / 评论(0)

学个词

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a bummer

absorbing dynamometer