表面摩擦阻力

VOA慢速英语2009年-EXPLORATIONS - 2009: A Year of Discove

VOICE ONE: I'm Mario Ritter. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special English. This week, we tell about some of the biggest space stories of two thousand nine. First, there was the American space agency's discovery of water on

发表于:2018-11-27 / 阅读(452) / 评论(0)

VOA慢速英语2009年（十二）月

英语听力：探索发现科学新发现：我们的大气层-23

But the friction and heat wears away at the space rock, the hot air actually melts the metal surface, and often the collision with the atmosphere can have a shattering effect, splitting the meteorites along fissures. This is an actual meteorite, and

发表于:2018-12-03 / 阅读(116) / 评论(0)

探索与发现2014年

郭美美-不怕不怕-英文版

Ma-ia-hii Ma-ia-huu Ma-ia-hoo Ma-ia-haa Alo, Salut, sunt eu, un haiduc, Si te rog, iubirea mea, primeste fericirea. Alo, alo, sunt eu Picasso, Ti-am dat beep, si sunt voinic, Dar sa stii nu-ti cer nimic. Vrei sa pleci dar nu ma, nu ma iei, Nu ma, nu

发表于:2018-12-08 / 阅读(156) / 评论(0)

流行英文歌曲

中英翻唱:郭美美-不怕不怕-英文版

郭美美-不怕不怕-英文版 Ma-ia-hii Ma-ia-huu Ma-ia-hoo Ma-ia-haa Alo, Salut, sunt eu, un haiduc, Si te rog, iubirea mea, primeste fericirea. Alo, alo, sunt eu Picasso, Ti-am dat beep, si sunt voinic, Dar sa stii nu-ti cer nimic. Vrei sa pleci

发表于:2019-01-03 / 阅读(104) / 评论(0)

中英翻唱歌曲

2006年VOA标准英语-New US Mars Mission to Get Better Look at

By David McAlary Washington 06 March 2006 The newest American mission to Mars is hurtling toward the red planet, due Friday to examine it in the sharpest detail yet. It will be the largest spacecraft

发表于:2019-01-06 / 阅读(165) / 评论(0)

2006年VOA标准英语（三月）

2006年VOA标准英语-Biggest, Most Sensitive US Mars Spacecraft

By David McAlary Washington 10 March 2006 Mars Reconnaissance Orbiter Another U.S. spacecraft has begun orbiting Mars to study the red planet in unprecedented detail. The Mars Reconnaissance Orbiter w

发表于:2019-01-07 / 阅读(173) / 评论(0)

2006年VOA标准英语（三月）

流行美语第6课 - DRAG / TRIP

今天，Michael 和他的中国同学李华约好了在中央公园见面。他们在对话中会用到两个词：drag 和 trip。 L: 对不起，Michael，我迟到了。地铁误点了。 M: Hey,

发表于:2019-01-09 / 阅读(173) / 评论(0)

美国之音《流行美语》

VOA标准英语2014--New Skateboard Defies Gravity

New Skateboard Defies Gravity WASHINGTON A futuristic dream only a couple of decades ago, the hoverboard a skateboard that floats above the ground - has finally been made possible. While still not ready for mass production, it promises to become a co

发表于:2019-01-14 / 阅读(108) / 评论(0)

VOA标准英语2014年(十一月)

美国习惯用语:330 knock-down drag-out fight

我们前两次已经讲了好几个以fight为关键词的习惯用语。我们今天还要再讲两个。第一个是: knock-down drag-out fight。Knock-down意思是击倒，而drag-out可以解释拖出来。听了这个习惯用语你很可能会联

发表于:2019-01-16 / 阅读(171) / 评论(0)

美国习惯用语

TED演讲第57期:极点往返-我生命中最艰苦的105天(2)

Scott and his final team of five arrived at the South Pole in 1912 January to find they had been beaten to it by a Norwegian team led by Roald Amundsen, 1912年一月，斯科特和他的五人小分队到达了南极点。但不巧，他们发现由挪

发表于:2019-01-18 / 阅读(128) / 评论(0)

TED演讲娱乐篇

TED演讲第56期:极点往返-我生命中最艰苦的105天(1)

发表于:2019-01-18 / 阅读(113) / 评论(0)

TED演讲娱乐篇

Eztalk美语【187】You're such a drag你真讨厌

Mom:Come to think of it, you should get out your English books and catch up on your reading assignments. Lily:But I don't have any reading assignments. Mom:Then review for your test. You'll do even better. And maybe reading will help you get to sleep

发表于:2019-01-21 / 阅读(202) / 评论(0)

Eztalk美语会话

“慧更斯”号抵达土星卫星

Huygens Spacecraft Arrives at Saturn Moon “慧更斯”号抵达土星卫星 After a seven-year ride to Saturn on the U.S. Cassini spacecraft, the European Space Agency's Huygens probe is finally at

发表于:2019-01-31 / 阅读(159) / 评论(0)

VOA2005（上）--环境科学探索

Lesson 98 - PUT ON THE BACK BURNER / DRAG ONE'S FEET

to put on the back burner to drag one's feet 我们经常说做事要看轻重缓急，有的时候不得不把正在做的事或计划要做的事先搁置一边。美国人把这叫做：to put on t

发表于:2019-02-02 / 阅读(195) / 评论(0)

美国习惯用语

VOA标准英语2008年-Zimbabwe Talks Drag On

The leader of Zimbabwe's smaller opposition faction says negotiations on the country's political crisis are a three-way affair and no one party can sign a settlement deal with another. Peta Thornycroft reports from Harare. Arthur Mutambara (14 April

发表于:2019-02-06 / 阅读(146) / 评论(0)

VOA标准英语2008年（八月）

学个词Learn a Word 第314期 Drag

今天我们要学的词是， drag。 Drag, 做为名词，有累赘，拖累的意思。美国联邦储备委员会主席伯南克认为，房屋市场的不景气会继续成为美国经济成长的绊脚石。Federal Reserve Chairman Ben Bernanke

发表于:2019-02-06 / 阅读(124) / 评论(0)

英语单词荟萃

每日一词【314】drag：累赘，拖累

今天我们要学的词是drag。 Drag, 做为名词，有累赘，拖累的意思。美国联邦储备委员会主席伯南克认为，房屋市场的不景气会继续成为美国经济成长的绊脚石。Federal Reserve Chairman Ben Bernanke sai

发表于:2019-02-06 / 阅读(126) / 评论(0)

英语每日一词

每日一词【594】drag：累赘

今天我们要学的词是drag。 Drag, 作为名词，有累赘的意思。 He did not want to be a drag on his children, 他不愿意成为孩子们的负担。 He has always been a drag on the group, 他总是给集体拖后腿。在美国总统大

发表于:2019-02-06 / 阅读(123) / 评论(0)

英语每日一词

【英语时差8,16】虫子，涟漪与水上行走-上

On our last program, we learned how water bugs manage to stand on the surface of a pond: The pads of their feet resist contact with the water just like wax paper does. This allows the bug to rest on the thin film of surface tension that naturally cov

发表于:2019-02-23 / 阅读(126) / 评论(0)

英语时差8，16

英语听力文摘 English Digest 280、飞盘为何会飞？

Why Frisbees Fly With a gentle flick of the wrist on a warm summer day, you can launch a frisbee on a long and graceful flight. Why do they fly so well? One reason is something called gyroscopic force. This is the tendency of a spinning object to mai

发表于:2019-03-09 / 阅读(163) / 评论(0)

英语听力文摘 English Digest

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acid applicator of cotton seed