单词：sonoluminesence
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AS IT IS 2014-02-14 Supporters Call on Britain to Return Jailed Governor to Nigeria 支持者呼吁英国释放James Ibori返回尼日利亚 Welcome back to the program. Im Caty Weaver. In January, Britain and Nigeria signed a prisoner exchange agree
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But when you were appointed chief executive three years ago, you were quoted as saying you were going to focus, I think the term was, laser-like on safety. On your watch as chief executive, in that three years, we have now perhaps the biggest ever oi
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[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
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[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
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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
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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
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