标签:Sikorsky 相关文章
[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
[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
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
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
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)
EXPLORATIONS -March 27, 2002: Igor Sikorsky By Marilyn Rice Christiano ANNCR: Now, the VOA Special English program, EXPLORATIONS. Today Shirley Griffith and Steve Ember tell about Igor Sikorsky. He wa