美国英语听力80篇3 Lesson45

[00:07.58]Igor Sikorsky was born in the city of Kiev, Russia; on May 25, 1889. [00:16.12]His mother was a doctor. [00:15.12]His father was a professor of psychology. [00:18.59]Igor became interested in science when he was very young. [00:23.82]He was

发表于:2018-12-26 / 阅读(61) / 评论(0)

美国英语听力80篇

美国英语听力80篇3 Lesson46

[00:08.05]Igor Sikorsky left Russia at the start of the revolution in 1917. [00:15.54]He stayed for a while in Britain and France. [00:19.54]Then he went to the United States. [00:22.62]He arrived with little money and no real chances for work. [00:2

发表于:2018-12-26 / 阅读(55) / 评论(0)

美国英语听力80篇

EXPLORATIONS - Igor Sikorsky: Aircraft and Helicopter Design

EXPLORATIONS - Igor Sikorsky: Aircraft and Helicopter Designer By Marilyn Christiano Broadcast: Wednesday, July 06, 2005 (MUSIC) ANNOUNCER: Igor Sikorsky on the cover of Time magazine. Now, the VOA Sp

发表于:2019-01-07 / 阅读(55) / 评论(0)

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VOA慢速英语2010年-American Mosaic - Two New Recordings C

DOUG JOHNSON: Welcome to American Mosaic in VOA Special English. (MUSIC) Im Doug Johnson. Today, we listen to music by John Prine. And we answer a question about aircraft pioneer Igor Sikorsky. But first we tell about some congresswomen who share fri

发表于:2019-01-12 / 阅读(60) / 评论(0)

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VOA标准英语2010年-Electric-Powered Aircraft Closer To Re

The drive to develop a battery to power automobiles, without using petroleum, is also behind the effort to develop an electric powered airplane. New designs for electric aircraft were recently unveiled at the Experimental Aircraft Association's (EAA)

发表于:2019-01-13 / 阅读(53) / 评论(0)

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EXPLORATIONS - Igor Sikorsky

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发表于:2019-01-30 / 阅读(82) / 评论(0)

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