单词：roller compacted concrete dam
单词：roller compacted concrete dam 相关文章
1) Exhilarating Rides-Top 2) Roller Coasters in Europe Number 3, it’s Shock Wave, Europe’s only stand up roller coaster. It’s in the English Midlands. Shock Wave is a 3) cracking 90 seconds. Fir
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STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we tell about Hoover Dam. It was the largest and most difficult structure of its kind ever built when work started in nineteen thir
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He gets on the roller coaster. His mom sits next to him. This is his first roller coaster ride. The roller coaster starts up. It is fast. It goes up and down. It goes around and around. He looks at his mom. His mom looks at him. They both laugh. The
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DEVELOPMENT REPORT - Long-Life Concrete Bridges By Jill Moss Broadcast: Monday, June 07, 2004 This is Robert Cohen with the VOA Special English Development Report. Each year, road accidents kill a mil
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今天我们要学的词是concrete。 Concrete具体的，实质性的。美中战略与经济对话星期二结束。美联社报道说，The United States and China ended two days of high-level talks with few concrete results, 美中结束了为期两
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EXPLORATIONS - Hoover Dam By Paul Thompson Broadcast: Wednesday, July 28, 2004 (MUSIC) VOICE ONE: This is Bob Doughty. VOICE TWO: Hoover Dam. And this is Steve Ember with EXPLORATIONS in VOA Special E
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