[电子] 声表面波移相器

Windows Vex Bats' Echolocating Abilities 干扰蝙蝠回声定位的烦人窗 Just as humans understand the shape of our surroundings by how light reflects off objects, bats use reflections of sounds they produce insteadwhats called echolocation. But

发表于:2018-12-02 / 阅读(229) / 评论(0) 分类 2017年Scientific American(九)月

Jack plunched down into thesea, the water was freezing cold, hepumped back up to the surface, choaking and coughing, the lifevest kept Jack closed, but the waves kept hammering at him. Help! Jack shouted. Thought to the twenty foot tiger shark, andmy

发表于:2018-12-10 / 阅读(250) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

By Jim Malone The U.S. presidential election campaign has entered a new phase, with both major party candidates criss-crossing the country in search of votes. After ceding the week to John Kerry and t

发表于:2019-01-03 / 阅读(230) / 评论(0) 分类 VOA2004(下)--美国大选

《Morning Phase》是Beck于2014年02月24日发行的第12张专辑。2015年第57届格莱美颁奖典礼上,Beck凭借《Morning Phase》获得最佳摇滚专辑奖以及年度专辑奖两项格莱美大奖。 Morning - Beck Woke up this mornin

发表于:2019-01-03 / 阅读(249) / 评论(0) 分类 格莱美获奖歌曲

India election starts final phase 印度大选迎来最后角逐 India has entered the final phase of its marathon general election, with 107m voters eligible (有资格的,合格的) to cast ballots. (不记名票) Voting is taking place in 86 constituencies (选

发表于:2019-01-07 / 阅读(279) / 评论(0) 分类 英语新闻

Iranian President on Four-Nation Tour of Latin America 伊朗总统内贾德到达拉美之行第一站 Iranian President Mahmoud Ahmedinejad got red carpet treatment on his arrival in Caracas where he often goes to see President Hugo Chavez. Michael

发表于:2019-01-13 / 阅读(173) / 评论(0) 分类 VOA标准英语2012年(一月)

Chavez Health Drives Venezuela Toward Uncertain Future In the days after winning a fourth presidential term of office in October, Hugo Chavez seemed healthy and full of life. But since his December 11 cancer operation in Cuba, he has not spoken or be

发表于:2019-01-13 / 阅读(194) / 评论(0) 分类 VOA标准英语2013年(一月)

Chris Hillman Edward Pederson's At Edwards BarnChris Hillman and Herb Pedersen had bluegrass in common when they met as teenagers in Los Angeles back in the early '60s, but the two didn't make much music together until years later. Hillman first came

发表于:2019-01-13 / 阅读(208) / 评论(0) 分类 VOA标准英语2010年(十二)月

By Liu Enming San Francisco, California 04 September 2007 Pipe picks up sounds created by waves At the tip of a tiny peninsula near San Francisco, California's Golden Gate Bridge stands the Wave Organ, a work of art that allows people to listen to mu

发表于:2019-01-20 / 阅读(287) / 评论(0) 分类 2007年VOA标准英语(九月)

By Lisa Schlein Geneva 16 July 2007 Zimbabwean children wait for food at Masarira primary school, for some it is the only meal they will have in the day, said headteacher Zvinavashe Takabvirakare (File Photo) The U.N. Children's Fund says the childre

发表于:2019-02-03 / 阅读(279) / 评论(0) 分类 2007年VOA标准英语(七月)

By Bill Rodgers Washington, DC 03 November 2006 watch Nicaragua Election Preview Former leftist Nicaraguan leader Daniel Ortega could return to power if he wins Sunday's presidential election. The opposition is divided and Ortega appears to hold a s

发表于:2019-02-04 / 阅读(258) / 评论(0) 分类 2006年VOA标准英语(十一月)

今天我们要学的词是phase out。 Phase out, 是逐步结束的意思。世界上最年轻的国家南苏丹独立后宣布,学校教育将逐步淘汰阿拉伯语,改用英语教学。 The government of South Sudan announced it will phase

发表于:2019-02-05 / 阅读(235) / 评论(0) 分类 英语单词荟萃

TUNIS, Oct. 8 (Xinhua) -- Tunisia qualified for the final phase of the 2012 African Nations Football Cup after beating Togo 2-0 on Saturday at the Rades Olympic stadium near Tunis. The Carthage Eagles took the lead with goals by Walid Hichri in the 1

发表于:2019-02-05 / 阅读(245) / 评论(0) 分类 英语新闻

The International Monetary Fund says the U.S. economy is struggling to overcome sluggish growth due to an unresolved government debt crisis and weaknesses in the housing market and household finances. In a report released Tuesday, the IMF downgraded

发表于:2019-02-05 / 阅读(239) / 评论(0) 分类 英语新闻

Academy award winning filmmaker Oliver Stone, known for his controversial take on political figures such as George W. Bush and Richard Nixon, and on historic events such as the assassination of John F. Kennedy, has released yet another controversial

发表于:2019-02-12 / 阅读(213) / 评论(0) 分类 VOA标准英语2010年(七)月

Just as humans understand the shape of oursurroundings by how light reflects off objects, batsuse reflections of sounds they produce insteadwhat's called echolocation. But despite theirexcellent sensing abilities, one type of obstaclevexes the animal

发表于:2019-02-14 / 阅读(188) / 评论(0) 分类 2018年科学美国人1月

今天我们要学的词组是phase out。Phase out,意思是逐渐淘汰、停止。The chief executive of General Motors cautioned against the growing trend of officials in China and a number of other countries of making plans to phase out sales

发表于:2019-02-16 / 阅读(184) / 评论(0) 分类 英语单词荟萃

The Way It Goes (Acoustic) - Passenger One man's home is another man's journey Stars shine late and the sun shines early One man's straight and another man's curly It's just the way it goes One man's trash is another man's treasure Rummaging around i

发表于:2019-02-18 / 阅读(189) / 评论(0) 分类 英文摇滚歌曲

Those waves hitting the sand actually begin far out at sea. And it doesnt take much to get them going. A little wind will do the trick. First the wind blows over the surface of the water, generating the little ripples you can see just by blowing acro

发表于:2019-02-23 / 阅读(169) / 评论(0) 分类 英语时差8,16

Damon Naomi的音乐,既没有复杂编曲,连旋律也是淡淡然的,很简单,但内里却隐着很深远的感情,很不简单。 The Mirror Phase (Damon Naomi with Ghost) Out on the heath, our pleasures seem so small. Those stones were

发表于:2019-03-11 / 阅读(265) / 评论(0) 分类 流行英文歌曲
学英语单词
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YY1