单词：effective area of concrete
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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
2010年VOA慢速英语(十)月
Grammar Girl here. Todays topic is cement versus concrete. Guest writer Sal Glynn writes: Accuracy is important. You might think concrete and cement are interchangeable, but you'll quickly find that you're mistaken when some guy at Home Depot rolls h
英语语法 Grammar Girl
New Generation Revolutionizes Environmental Activism Environmental activists have relied on public pressure, boycotts and confrontation to advance their cause over the past few decades. Now, a new generation of eco-warriors is revolutionizing environ
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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
农业与发展
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
英语每日一词
interference n.阻碍，干预 The government's interference in the construction project was criticized by the public. 大众批评政府介入这项建造计划。 marine a.海洋的 You'll be able to see a wide variety of marine life in this acquar
赖世雄进阶英语词汇3500